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Merge remote-tracking branch 'upstream/master' into auto-uid-allocation

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This commit is contained in:
John Ericson 2022-02-28 23:54:20 +00:00
commit dc92b01885
417 changed files with 22620 additions and 35795 deletions
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7
.github/PULL_REQUEST_TEMPLATE/pull_request_template.md vendored Normal file
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@ -0,0 +1,7 @@
**Release Notes**
Please include relevant [release notes](https://github.com/NixOS/nix/blob/master/doc/manual/src/release-notes/rl-next.md) as needed.
**Testing**
If this issue is a regression or something that should block release, please consider including a test either in the [testsuite](https://github.com/NixOS/nix/tree/master/tests) or as a [hydraJob]( https://github.com/NixOS/nix/blob/master/flake.nix#L396) so that it can be part of the [automatic checks](https://hydra.nixos.org/jobset/nix/master).

26
.github/workflows/backport.yml vendored Normal file
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@ -0,0 +1,26 @@
name: Backport
on:
pull_request_target:
types: [closed, labeled]
jobs:
backport:
name: Backport Pull Request
if: github.repository_owner == 'NixOS' && github.event.pull_request.merged == true && (github.event_name != 'labeled' || startsWith('backport', github.event.label.name))
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
with:
ref: ${{ github.event.pull_request.head.sha }}
# required to find all branches
fetch-depth: 0
- name: Create backport PRs
# should be kept in sync with `version`
uses: zeebe-io/backport-action@v0.0.7
with:
# Config README: https://github.com/zeebe-io/backport-action#backport-action
github_token: ${{ secrets.GITHUB_TOKEN }}
github_workspace: ${{ github.workspace }}
pull_description: |-
Bot-based backport to `${target_branch}`, triggered by a label in #${pull_number}.
# should be kept in sync with `uses`
version: v0.0.5

56
.github/workflows/test.yml → .github/workflows/ci.yml vendored
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@ -1,20 +1,23 @@
name: "Test"
name: "CI"
on:
pull_request:
push:
jobs:
tests:
needs: [check_cachix]
strategy:
matrix:
os: [ubuntu-latest, macos-latest]
runs-on: ${{ matrix.os }}
timeout-minutes: 60
steps:
- uses: actions/checkout@v2.3.4
- uses: actions/checkout@v2.4.0
with:
fetch-depth: 0
- uses: cachix/install-nix-action@v14
- uses: cachix/install-nix-action@v16
- run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
- uses: cachix/cachix-action@v10
if: needs.check_cachix.outputs.secret == 'true'
@ -22,7 +25,8 @@ jobs:
name: '${{ env.CACHIX_NAME }}'
signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
- run: nix-build -A checks.$(nix-instantiate --eval -E '(builtins.currentSystem)')
- run: nix --experimental-features 'nix-command flakes' flake check -L
check_cachix:
name: Cachix secret present for installer tests
runs-on: ubuntu-latest
@ -34,6 +38,7 @@ jobs:
env:
_CACHIX_SECRETS: ${{ secrets.CACHIX_SIGNING_KEY }}${{ secrets.CACHIX_AUTH_TOKEN }}
run: echo "::set-output name=secret::${{ env._CACHIX_SECRETS != '' }}"
installer:
needs: [tests, check_cachix]
if: github.event_name == 'push' && needs.check_cachix.outputs.secret == 'true'
@ -41,11 +46,11 @@ jobs:
outputs:
installerURL: ${{ steps.prepare-installer.outputs.installerURL }}
steps:
- uses: actions/checkout@v2.3.4
- uses: actions/checkout@v2.4.0
with:
fetch-depth: 0
- run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
- uses: cachix/install-nix-action@v14
- uses: cachix/install-nix-action@v16
- uses: cachix/cachix-action@v10
with:
name: '${{ env.CACHIX_NAME }}'
@ -53,6 +58,7 @@ jobs:
authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
- id: prepare-installer
run: scripts/prepare-installer-for-github-actions
installer_test:
needs: [installer, check_cachix]
if: github.event_name == 'push' && needs.check_cachix.outputs.secret == 'true'
@ -61,10 +67,42 @@ jobs:
os: [ubuntu-latest, macos-latest]
runs-on: ${{ matrix.os }}
steps:
- uses: actions/checkout@v2.3.4
- uses: actions/checkout@v2.4.0
- run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
- uses: cachix/install-nix-action@v14
- uses: cachix/install-nix-action@v16
with:
install_url: '${{needs.installer.outputs.installerURL}}'
install_options: "--tarball-url-prefix https://${{ env.CACHIX_NAME }}.cachix.org/serve"
- run: nix-instantiate -E 'builtins.currentTime' --eval
docker_push_image:
needs: [check_cachix, tests]
if: >-
github.event_name == 'push' &&
github.ref_name == 'master' &&
needs.check_cachix.outputs.secret == 'true'
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2.4.0
with:
fetch-depth: 0
- uses: cachix/install-nix-action@v16
- run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
- run: echo NIX_VERSION="$(nix-instantiate --eval -E '(import ./default.nix).defaultPackage.${builtins.currentSystem}.version' | tr -d \")" >> $GITHUB_ENV
- uses: cachix/cachix-action@v10
if: needs.check_cachix.outputs.secret == 'true'
with:
name: '${{ env.CACHIX_NAME }}'
signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
- run: nix --experimental-features 'nix-command flakes' build .#dockerImage -L
- run: docker load -i ./result/image.tar.gz
- run: docker tag nix:$NIX_VERSION nixos/nix:$NIX_VERSION
- run: docker tag nix:$NIX_VERSION nixos/nix:master
- name: Login to Docker Hub
uses: docker/login-action@v1
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
- run: docker push nixos/nix:$NIX_VERSION
- run: docker push nixos/nix:master

16
.github/workflows/hydra_status.yml vendored Normal file
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@ -0,0 +1,16 @@
name: Hydra status
on:
schedule:
- cron: "12,42 * * * *"
workflow_dispatch:
jobs:
check_hydra_status:
name: Check Hydra status
if: github.repository_owner == 'NixOS'
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2.4.0
with:
fetch-depth: 0
- run: bash scripts/check-hydra-status.sh

7
.gitignore vendored
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@ -26,8 +26,6 @@ perl/Makefile.config
# /scripts/
/scripts/nix-profile.sh
/scripts/nix-reduce-build
/scripts/nix-http-export.cgi
/scripts/nix-profile-daemon.sh
# /src/libexpr/
@ -40,6 +38,7 @@ perl/Makefile.config
# /src/libstore/
*.gen.*
/src/libstore/tests/libstore-tests
# /src/libutil/
/src/libutil/tests/libutil-tests
@ -121,3 +120,7 @@ GTAGS
compile_commands.json
nix-rust/target
result
.vscode/

2
.version
View file

@ -1 +1 @@
2.4
2.7.0

1
Makefile
View file

@ -4,6 +4,7 @@ makefiles = \
src/libutil/local.mk \
src/libutil/tests/local.mk \
src/libstore/local.mk \
src/libstore/tests/local.mk \
src/libfetchers/local.mk \
src/libmain/local.mk \
src/libexpr/local.mk \

1
Makefile.config.in
View file

@ -16,6 +16,7 @@ LDFLAGS = @LDFLAGS@
LIBARCHIVE_LIBS = @LIBARCHIVE_LIBS@
LIBBROTLI_LIBS = @LIBBROTLI_LIBS@
LIBCURL_LIBS = @LIBCURL_LIBS@
LOWDOWN_LIBS = @LOWDOWN_LIBS@
OPENSSL_LIBS = @OPENSSL_LIBS@
LIBSECCOMP_LIBS = @LIBSECCOMP_LIBS@
PACKAGE_NAME = @PACKAGE_NAME@

9
boehmgc-coroutine-sp-fallback.diff
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@ -1,8 +1,8 @@
diff --git a/pthread_stop_world.c b/pthread_stop_world.c
index 1cee6a0b..46c3acd9 100644
index 4b2c429..1fb4c52 100644
--- a/pthread_stop_world.c
+++ b/pthread_stop_world.c
@@ -674,6 +674,8 @@ GC_INNER void GC_push_all_stacks(void)
@@ -673,6 +673,8 @@ GC_INNER void GC_push_all_stacks(void)
struct GC_traced_stack_sect_s *traced_stack_sect;
pthread_t self = pthread_self();
word total_size = 0;
@ -11,7 +11,7 @@ index 1cee6a0b..46c3acd9 100644
if (!EXPECT(GC_thr_initialized, TRUE))
GC_thr_init();
@@ -723,6 +725,28 @@ GC_INNER void GC_push_all_stacks(void)
@@ -722,6 +724,31 @@ GC_INNER void GC_push_all_stacks(void)
hi = p->altstack + p->altstack_size;
/* FIXME: Need to scan the normal stack too, but how ? */
/* FIXME: Assume stack grows down */
@ -22,6 +22,9 @@ index 1cee6a0b..46c3acd9 100644
+ if (pthread_attr_getstacksize(&pattr, &stack_limit)) {
+ ABORT("GC_push_all_stacks: pthread_attr_getstacksize failed!");
+ }
+ if (pthread_attr_destroy(&pattr)) {
+ ABORT("GC_push_all_stacks: pthread_attr_destroy failed!");
+ }
+ // When a thread goes into a coroutine, we lose its original sp until
+ // control flow returns to the thread.
+ // While in the coroutine, the sp points outside the thread stack,

21
configure.ac
View file

@ -188,17 +188,24 @@ PKG_CHECK_MODULES([EDITLINE], [libeditline], [CXXFLAGS="$EDITLINE_CFLAGS $CXXFLA
[AC_MSG_ERROR([Nix requires libeditline; it was not found via pkg-config, but via its header, but required functions do not work. Maybe it is too old? >= 1.14 is required.])])
])
# Look for libsodium, an optional dependency.
# Look for libsodium.
PKG_CHECK_MODULES([SODIUM], [libsodium], [CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS"])
# Look for libbrotli{enc,dec}.
PKG_CHECK_MODULES([LIBBROTLI], [libbrotlienc libbrotlidec], [CXXFLAGS="$LIBBROTLI_CFLAGS $CXXFLAGS"])
# Look for libcpuid.
have_libcpuid=
if test "$machine_name" = "x86_64"; then
PKG_CHECK_MODULES([LIBCPUID], [libcpuid], [CXXFLAGS="$LIBCPUID_CFLAGS $CXXFLAGS"])
have_libcpuid=1
AC_DEFINE([HAVE_LIBCPUID], [1], [Use libcpuid])
AC_ARG_ENABLE([cpuid],
AS_HELP_STRING([--disable-cpuid], [Do not determine microarchitecture levels with libcpuid (relevant to x86_64 only)]))
if test "x$enable_cpuid" != "xno"; then
PKG_CHECK_MODULES([LIBCPUID], [libcpuid],
[CXXFLAGS="$LIBCPUID_CFLAGS $CXXFLAGS"
have_libcpuid=1
AC_DEFINE([HAVE_LIBCPUID], [1], [Use libcpuid])]
)
fi
fi
AC_SUBST(HAVE_LIBCPUID, [$have_libcpuid])
@ -255,13 +262,17 @@ fi
PKG_CHECK_MODULES([GTEST], [gtest_main])
# Look for nlohmann/json.
PKG_CHECK_MODULES([NLOHMANN_JSON], [nlohmann_json >= 3.9])
# documentation generation switch
AC_ARG_ENABLE(doc-gen, AS_HELP_STRING([--disable-doc-gen],[disable documentation generation]),
doc_generate=$enableval, doc_generate=yes)
AC_SUBST(doc_generate)
# Look for lowdown library.
PKG_CHECK_MODULES([LOWDOWN], [lowdown >= 0.8.0], [CXXFLAGS="$LOWDOWN_CFLAGS $CXXFLAGS"])
PKG_CHECK_MODULES([LOWDOWN], [lowdown >= 0.9.0], [CXXFLAGS="$LOWDOWN_CFLAGS $CXXFLAGS"])
# Setuid installations.
AC_CHECK_FUNCS([setresuid setreuid lchown])

2
default.nix
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@ -1,3 +1,3 @@
(import (fetchTarball https://github.com/edolstra/flake-compat/archive/master.tar.gz) {
(import (fetchTarball "https://github.com/edolstra/flake-compat/archive/master.tar.gz") {
src = ./.;
}).defaultNix

4
doc/manual/generate-builtins.nix
View file

@ -6,9 +6,9 @@ builtins:
concatStrings (map
(name:
let builtin = builtins.${name}; in
"<dt><code>${name} "
"<dt id=\"builtins-${name}\"><a href=\"#builtins-${name}\"><code>${name} "
+ concatStringsSep " " (map (s: "<var>${s}</var>") builtin.args)
+ "</code></dt>"
+ "</code></a></dt>"
+ "<dd>\n\n"
+ builtin.doc
+ "\n\n</dd>"

8
doc/manual/generate-manpage.nix
View file

@ -1,4 +1,4 @@
command:
{ command, renderLinks ? false }:
with builtins;
with import ./utils.nix;
@ -20,7 +20,11 @@ let
categories = sort (x: y: x.id < y.id) (unique (map (cmd: cmd.category) (attrValues def.commands)));
listCommands = cmds:
concatStrings (map (name:
"* [`${command} ${name}`](./${appendName filename name}.md) - ${cmds.${name}.description}\n")
"* "
+ (if renderLinks
then "[`${command} ${name}`](./${appendName filename name}.md)"
else "`${command} ${name}`")
+ " - ${cmds.${name}.description}\n")
(attrNames cmds));
in
"where *subcommand* is one of the following:\n\n"

24
doc/manual/generate-options.nix
View file

@ -8,17 +8,19 @@ concatStrings (map
let option = options.${name}; in
" - `${name}` \n\n"
+ concatStrings (map (s: " ${s}\n") (splitLines option.description)) + "\n\n"
+ " **Default:** " + (
if option.value == "" || option.value == []
then "*empty*"
else if isBool option.value
then (if option.value then "`true`" else "`false`")
else
# n.b. a StringMap value type is specified as a string, but
# this shows the value type. The empty stringmap is "null" in
# JSON, but that converts to "{ }" here.
(if isAttrs option.value then "`\"\"`"
else "`" + toString option.value + "`")) + "\n\n"
+ (if option.documentDefault
then " **Default:** " + (
if option.value == "" || option.value == []
then "*empty*"
else if isBool option.value
then (if option.value then "`true`" else "`false`")
else
# n.b. a StringMap value type is specified as a string, but
# this shows the value type. The empty stringmap is "null" in
# JSON, but that converts to "{ }" here.
(if isAttrs option.value then "`\"\"`"
else "`" + toString option.value + "`")) + "\n\n"
else " **Default:** *machine-specific*\n")
+ (if option.aliases != []
then " **Deprecated alias:** " + (concatStringsSep ", " (map (s: "`${s}`") option.aliases)) + "\n\n"
else "")

9
doc/manual/local.mk
View file

@ -12,11 +12,13 @@ man-pages := $(foreach n, \
clean-files += $(d)/*.1 $(d)/*.5 $(d)/*.8
# Provide a dummy environment for nix, so that it will not access files outside the macOS sandbox.
# Set cores to 0 because otherwise nix show-config resolves the cores based on the current machine
dummy-env = env -i \
HOME=/dummy \
NIX_CONF_DIR=/dummy \
NIX_SSL_CERT_FILE=/dummy/no-ca-bundle.crt \
NIX_STATE_DIR=/dummy
NIX_STATE_DIR=/dummy \
NIX_CONFIG='cores = 0'
nix-eval = $(dummy-env) $(bindir)/nix eval --experimental-features nix-command -I nix/corepkgs=corepkgs --store dummy:// --impure --raw
@ -44,7 +46,7 @@ $(d)/src/SUMMARY.md: $(d)/src/SUMMARY.md.in $(d)/src/command-ref/new-cli
$(d)/src/command-ref/new-cli: $(d)/nix.json $(d)/generate-manpage.nix $(bindir)/nix
@rm -rf $@
$(trace-gen) $(nix-eval) --write-to $@ --expr 'import doc/manual/generate-manpage.nix (builtins.readFile $<)'
$(trace-gen) $(nix-eval) --write-to $@ --expr 'import doc/manual/generate-manpage.nix { command = builtins.readFile $<; renderLinks = true; }'
$(d)/src/command-ref/conf-file.md: $(d)/conf-file.json $(d)/generate-options.nix $(d)/src/command-ref/conf-file-prefix.md $(bindir)/nix
@cat doc/manual/src/command-ref/conf-file-prefix.md > $@.tmp
@ -70,6 +72,7 @@ $(d)/builtins.json: $(bindir)/nix
@mv $@.tmp $@
# Generate the HTML manual.
html: $(docdir)/manual/index.html
install: $(docdir)/manual/index.html
# Generate 'nix' manpages.
@ -92,7 +95,7 @@ doc/manual/generated/man1/nix3-manpages: $(d)/src/command-ref/new-cli
lowdown -sT man -M section=1 $$tmpFile -o $(DESTDIR)$$(dirname $@)/$$name.1; \
rm $$tmpFile; \
done
touch $@
@touch $@
$(docdir)/manual/index.html: $(MANUAL_SRCS) $(d)/book.toml $(d)/custom.css $(d)/src/SUMMARY.md $(d)/src/command-ref/new-cli $(d)/src/command-ref/conf-file.md $(d)/src/expressions/builtins.md $(call rwildcard, $(d)/src, *.md)
$(trace-gen) RUST_LOG=warn mdbook build doc/manual -d $(DESTDIR)$(docdir)/manual

6
doc/manual/src/SUMMARY.md.in
View file

@ -9,6 +9,7 @@
- [Prerequisites](installation/prerequisites-source.md)
- [Obtaining a Source Distribution](installation/obtaining-source.md)
- [Building Nix from Source](installation/building-source.md)
- [Using Nix within Docker](installation/installing-docker.md)
- [Security](installation/nix-security.md)
- [Single-User Mode](installation/single-user.md)
- [Multi-User Mode](installation/multi-user.md)
@ -70,7 +71,10 @@
- [Hacking](contributing/hacking.md)
- [CLI guideline](contributing/cli-guideline.md)
- [Release Notes](release-notes/release-notes.md)
- [Release 2.4 (2021-XX-XX)](release-notes/rl-2.4.md)
- [Release X.Y (202?-??-??)](release-notes/rl-next.md)
- [Release 2.6 (2022-01-24)](release-notes/rl-2.6.md)
- [Release 2.5 (2021-12-13)](release-notes/rl-2.5.md)
- [Release 2.4 (2021-11-01)](release-notes/rl-2.4.md)
- [Release 2.3 (2019-09-04)](release-notes/rl-2.3.md)
- [Release 2.2 (2019-01-11)](release-notes/rl-2.2.md)
- [Release 2.1 (2018-09-02)](release-notes/rl-2.1.md)

4
doc/manual/src/advanced-topics/distributed-builds.md
View file

@ -53,8 +53,8 @@ example, the following command allows you to build a derivation for
$ uname
Linux
$ nix build \
'(with import <nixpkgs> { system = "x86_64-darwin"; }; runCommand "foo" {} "uname > $out")' \
$ nix build --impure \
--expr '(with import <nixpkgs> { system = "x86_64-darwin"; }; runCommand "foo" {} "uname > $out")' \
--builders 'ssh://mac x86_64-darwin'
[1/0/1 built, 0.0 MiB DL] building foo on ssh://mac

5
doc/manual/src/command-ref/conf-file-prefix.md
View file

@ -16,8 +16,9 @@ By default Nix reads settings from the following places:
will be loaded in reverse order.
Otherwise it will look for `nix/nix.conf` files in `XDG_CONFIG_DIRS`
and `XDG_CONFIG_HOME`. If these are unset, it will look in
`$HOME/.config/nix.conf`.
and `XDG_CONFIG_HOME`. If unset, `XDG_CONFIG_DIRS` defaults to
`/etc/xdg`, and `XDG_CONFIG_HOME` defaults to `$HOME/.config`
as per [XDG Base Directory Specification](https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html).
- If `NIX_CONFIG` is set, its contents is treated as the contents of
a configuration file.

44
doc/manual/src/command-ref/nix-env.md
View file

@ -238,7 +238,16 @@ a number of possible ways:
## Examples
To install a specific version of `gcc` from the active Nix expression:
To install a package using a specific attribute path from the active Nix expression:
```console
$ nix-env -iA gcc40mips
installing `gcc-4.0.2'
$ nix-env -iA xorg.xorgserver
installing `xorg-server-1.2.0'
```
To install a specific version of `gcc` using the derivation name:
```console
$ nix-env --install gcc-3.3.2
@ -246,6 +255,9 @@ installing `gcc-3.3.2'
uninstalling `gcc-3.1'
```
Using attribute path for selecting a package is preferred,
as it is much faster and there will not be multiple matches.
Note the previously installed version is removed, since
`--preserve-installed` was not specified.
@ -256,13 +268,6 @@ $ nix-env --install gcc
installing `gcc-3.3.2'
```
To install using a specific attribute:
```console
$ nix-env -i -A gcc40mips
$ nix-env -i -A xorg.xorgserver
```
To install all derivations in the Nix expression `foo.nix`:
```console
@ -374,22 +379,29 @@ For the other flags, see `--install`.
## Examples
```console
$ nix-env --upgrade gcc
$ nix-env --upgrade -A nixpkgs.gcc
upgrading `gcc-3.3.1' to `gcc-3.4'
```
When there are no updates available, nothing will happen:
```console
$ nix-env -u gcc-3.3.2 --always (switch to a specific version)
$ nix-env --upgrade -A nixpkgs.pan
```
Using `-A` is preferred when possible, as it is faster and unambiguous but
it is also possible to upgrade to a specific version by matching the derivation name:
```console
$ nix-env -u gcc-3.3.2 --always
upgrading `gcc-3.4' to `gcc-3.3.2'
```
```console
$ nix-env --upgrade pan
(no upgrades available, so nothing happens)
```
To try to upgrade everything
(matching packages based on the part of the derivation name without version):
```console
$ nix-env -u (try to upgrade everything)
$ nix-env -u
upgrading `hello-2.1.2' to `hello-2.1.3'
upgrading `mozilla-1.2' to `mozilla-1.4'
```
@ -401,7 +413,7 @@ of a derivation `x` by looking at their respective `name` attributes.
The names (e.g., `gcc-3.3.1` are split into two parts: the package name
(`gcc`), and the version (`3.3.1`). The version part starts after the
first dash not followed by a letter. `x` is considered an upgrade of `y`
if their package names match, and the version of `y` is higher that that
if their package names match, and the version of `y` is higher than that
of `x`.
The versions are compared by splitting them into contiguous components

19
doc/manual/src/command-ref/nix-shell.md
View file

@ -11,8 +11,8 @@
[`--command` *cmd*]
[`--run` *cmd*]
[`--exclude` *regexp*]
[--pure]
[--keep *name*]
[`--pure`]
[`--keep` *name*]
{{`--packages` | `-p`} {*packages* | *expressions*} … | [*path*]}
# Description
@ -101,7 +101,8 @@ The following common options are supported:
- `NIX_BUILD_SHELL`\
Shell used to start the interactive environment. Defaults to the
`bash` found in `PATH`.
`bash` found in `<nixpkgs>`, falling back to the `bash` found in
`PATH` if not found.
# Examples
@ -110,13 +111,19 @@ shell in which to build it:
```console
$ nix-shell '<nixpkgs>' -A pan
[nix-shell]$ unpackPhase
[nix-shell]$ eval ${unpackPhase:-unpackPhase}
[nix-shell]$ cd pan-*
[nix-shell]$ configurePhase
[nix-shell]$ buildPhase
[nix-shell]$ eval ${configurePhase:-configurePhase}
[nix-shell]$ eval ${buildPhase:-buildPhase}
[nix-shell]$ ./pan/gui/pan
```
The reason we use form `eval ${configurePhase:-configurePhase}` here is because
those packages that override these phases do so by exporting the overridden
values in the environment variable of the same name.
Here bash is being told to either evaluate the contents of 'configurePhase',
if it exists as a variable, otherwise evaluate the configurePhase function.
To clear the environment first, and do some additional automatic
initialisation of the interactive shell:

6
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View file

@ -125,7 +125,7 @@ Special exit codes:
- `104`\
Not deterministic, the build succeeded in check mode but the
resulting output is not binary reproducable.
resulting output is not binary reproducible.
With the `--keep-going` flag it's possible for multiple failures to
occur, in this case the 1xx status codes are or combined using binary
@ -321,8 +321,8 @@ symlink.
This query has one option:
- `--include-outputs`
Also include the output path of store derivations, and their
closures.
Also include the existing output paths of store derivations,
and their closures.
This query can be used to implement various kinds of deployment. A
*source deployment* is obtained by distributing the closure of a

4
doc/manual/src/command-ref/opt-common.md
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@ -162,11 +162,11 @@ Most Nix commands accept the following command-line options:
}: ...
```
So if you call this Nix expression (e.g., when you do `nix-env -i
So if you call this Nix expression (e.g., when you do `nix-env -iA
pkgname`), the function will be called automatically using the
value [`builtins.currentSystem`](../expressions/builtins.md) for
the `system` argument. You can override this using `--arg`, e.g.,
`nix-env -i pkgname --arg system \"i686-freebsd\"`. (Note that
`nix-env -iA pkgname --arg system \"i686-freebsd\"`. (Note that
since the argument is a Nix string literal, you have to escape the
quotes.)

52
doc/manual/src/contributing/cli-guideline.md
View file

@ -3,7 +3,7 @@
## Goals
Purpose of this document is to provide a clear direction to **help design
delightful command line** experience. This document contain guidelines to
delightful command line** experience. This document contains guidelines to
follow to ensure a consistent and approachable user experience.
## Overview
@ -103,7 +103,7 @@ impacted the most by bad user experience.
# Help is essential
Help should be built into your command line so that new users can gradually
discover new features when they need them.
discover new features when they need them.
## Looking for help
@ -115,7 +115,7 @@ The rules are:
- Help is shown by using `--help` or `help` command (eg `nix` `--``help` or
`nix help`).
- For non-COMMANDs (eg. `nix` `--``help` and `nix store` `--``help`) we **show
- For non-COMMANDs (eg. `nix` `--``help` and `nix store` `--``help`) we **show
a summary** of most common use cases. Summary is presented on the STDOUT
without any use of PAGER.
- For COMMANDs (eg. `nix init` `--``help` or `nix help init`) we display the
@ -176,7 +176,7 @@ $ nix init --template=template#pyton
------------------------------------------------------------------------
Initializing Nix project at `/path/to/here`.
Select a template for you new project:
|> template#pyton
|> template#python
template#python-pip
template#python-poetry
```
@ -230,17 +230,17 @@ Now **Learn** part of the output is where you educate users. You should only
show it when you know that a build will take some time and not annoy users of
the builds that take only few seconds.
Every feature like this should go though a intensive review and testing to
collect as much a feedback as possible and to fine tune every little detail. If
Every feature like this should go through an intensive review and testing to
collect as much feedback as possible and to fine tune every little detail. If
done right this can be an awesome features beginners and advance users will
love, but if not done perfectly it will annoy users and leave bad impression.
# Input
Input to a command is provided via `ARGUMENTS` and `OPTIONS`.
Input to a command is provided via `ARGUMENTS` and `OPTIONS`.
`ARGUMENTS` represent a required input for a function. When choosing to use
`ARGUMENT` over function please be aware of the downsides that come with it:
`ARGUMENTS` over `OPTIONS` please be aware of the downsides that come with it:
- User will need to remember the order of `ARGUMENTS`. This is not a problem if
there is only one `ARGUMENT`.
@ -253,7 +253,7 @@ developer consider the downsides and choose wisely.
## Naming the `OPTIONS`
Then only naming convention - apart from the ones mentioned in Naming the
The only naming convention - apart from the ones mentioned in Naming the
`COMMANDS` section is how flags are named.
Flags are a type of `OPTION` that represent an option that can be turned ON of
@ -271,12 +271,12 @@ to improve the discoverability of possible input. A new user will most likely
not know which `ARGUMENTS` and `OPTIONS` are required or which values are
possible for those options.
In cases, the user might not provide the input or they provide wrong input,
rather then show the error, prompt a user with an option to find and select
In case the user does not provide the input or they provide wrong input,
rather than show the error, prompt a user with an option to find and select
correct input (see examples).
Prompting is of course not required when TTY is not attached to STDIN. This
would mean that scripts wont need to handle prompt, but rather handle errors.
would mean that scripts won't need to handle prompt, but rather handle errors.
A place to use prompt and provide user with interactive select
@ -300,9 +300,9 @@ going to happen.
```shell
$ nix build --option substitutors https://cache.example.org
------------------------------------------------------------------------
Warning! A security related question need to be answered.
Warning! A security related question needs to be answered.
------------------------------------------------------------------------
The following substitutors will be used to in `my-project`:
The following substitutors will be used to in `my-project`:
- https://cache.example.org
Do you allow `my-project` to use above mentioned substitutors?
@ -311,14 +311,14 @@ $ nix build --option substitutors https://cache.example.org
# Output
Terminal output can be quite limiting in many ways. Which should forces us to
Terminal output can be quite limiting in many ways. Which should force us to
think about the experience even more. As with every design the output is a
compromise between being terse and being verbose, between showing help to
beginners and annoying advance users. For this it is important that we know
what are the priorities.
Nix command line should be first and foremost written with beginners in mind.
But users wont stay beginners for long and what was once useful might quickly
But users won't stay beginners for long and what was once useful might quickly
become annoying. There is no golden rule that we can give in this guideline
that would make it easier how to draw a line and find best compromise.
@ -342,7 +342,7 @@ also allowing them to redirect content to a file. For example:
```shell
$ nix build > build.txt
------------------------------------------------------------------------
Error! Atrribute `bin` missing at (1:94) from string.
Error! Attribute `bin` missing at (1:94) from string.
------------------------------------------------------------------------
1| with import <nixpkgs> { }; (pkgs.runCommandCC or pkgs.runCommand) "shell" { buildInputs = [ (surge.bin) ]; } ""
@ -408,7 +408,7 @@ Above command clearly states that command successfully completed. And in case
of `nix build`, which is a command that might take some time to complete, it is
equally important to also show that a command started.
## Text alignment
## Text alignment
Text alignment is the number one design element that will present all of the
Nix commands as a family and not as separate tools glued together.
@ -419,7 +419,7 @@ The format we should follow is:
$ nix COMMAND
VERB_1 NOUN and other words
VERB__1 NOUN and other words
|> Some details
|> Some details
```
Few rules that we can extract from above example:
@ -444,13 +444,13 @@ is not even notable, therefore relying on it wouldn’t make much sense.
**The bright text is much better supported** across terminals and color
schemes. Most of the time the difference is perceived as if the bright text
would be bold.
would be bold.
## Colors
Humans are already conditioned by society to attach certain meaning to certain
colors. While the meaning is not universal, a simple collection of colors is
used to represent basic emotions.
used to represent basic emotions.
Colors that can be used in output
@ -508,7 +508,7 @@ can, with a few key strokes, be changed into and advance introspection tool.
### Progress
For longer running commands we should provide and overview of the progress.
For longer running commands we should provide and overview the progress.
This is shown best in `nix build` example:
```shell
@ -553,9 +553,9 @@ going to happen.
```shell
$ nix build --option substitutors https://cache.example.org
------------------------------------------------------------------------
Warning! A security related question need to be answered.
Warning! A security related question needs to be answered.
------------------------------------------------------------------------
The following substitutors will be used to in `my-project`:
The following substitutors will be used to in `my-project`:
- https://cache.example.org
Do you allow `my-project` to use above mentioned substitutors?
@ -566,7 +566,7 @@ $ nix build --option substitutors https://cache.example.org
There are many ways that you can control verbosity.
Verbosity levels are:
Verbosity levels are:
- `ERROR` (level 0)
- `WARN` (level 1)
@ -586,4 +586,4 @@ There are also two shortcuts, `--debug` to run in `DEBUG` verbosity level and
# Appendix 1: Commands naming exceptions
`nix init` and `nix repl` are well established
`nix init` and `nix repl` are well established

19
doc/manual/src/contributing/hacking.md
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@ -35,6 +35,25 @@ variables are set up so that those dependencies can be found:
$ nix-shell
```
or if you have a flake-enabled nix:
```console
$ nix develop
```
To get a shell with a different compilation environment (e.g. stdenv,
gccStdenv, clangStdenv, clang11Stdenv):
```console
$ nix-shell -A devShells.x86_64-linux.clang11StdenvPackages
```
or if you have a flake-enabled nix:
```console
$ nix develop .#clang11StdenvPackages
```
To build Nix itself in this shell:
```console

2
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View file

@ -237,7 +237,7 @@ Derivations can declare some infrequently used optional attributes.
- `preferLocalBuild`\
If this attribute is set to `true` and [distributed building is
enabled](../advanced-topics/distributed-builds.md), then, if
possible, the derivaton will be built locally instead of forwarded
possible, the derivation will be built locally instead of forwarded
to a remote machine. This is appropriate for trivial builders
where the cost of doing a download or remote build would exceed
the cost of building locally.

2
doc/manual/src/expressions/builtins-prefix.md
View file

@ -12,5 +12,5 @@ For instance, `derivation` is also available as `builtins.derivation`.
<dl>
<dt><code>derivation <var>attrs</var></code>;
<code>builtins.derivation <var>attrs</var></code></dt>
<dd><p><var>derivation</var> in described in
<dd><p><var>derivation</var> is described in
<a href="derivations.md">its own section</a>.</p></dd>

2
doc/manual/src/expressions/expression-syntax.md
View file

@ -26,7 +26,7 @@ elements (referenced from the figure by number):
called with three arguments: `stdenv`, `fetchurl`, and `perl`. They
are needed to build Hello, but we don't know how to build them here;
that's why they are function arguments. `stdenv` is a package that
is used by almost all Nix Packages packages; it provides a
is used by almost all Nix Packages; it provides a
“standard” environment consisting of the things you would expect
in a basic Unix environment: a C/C++ compiler (GCC, to be precise),
the Bash shell, fundamental Unix tools such as `cp`, `grep`, `tar`,

4
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View file

@ -284,6 +284,10 @@ The points of interest are:
function is called with the `localServer` argument set to `true` but
the `db4` argument set to `null`, then the evaluation fails.
Note that `->` is the [logical
implication](https://en.wikipedia.org/wiki/Truth_table#Logical_implication)
Boolean operation.
2. This is a more subtle condition: if Subversion is built with Apache
(`httpServer`) support, then the Expat library (an XML library) used
by Subversion should be same as the one used by Apache. This is

12
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@ -17,12 +17,12 @@ order of precedence (from strongest to weakest binding).
| String Concatenation | *string1* `+` *string2* | left | String concatenation. | 7 |
| Not | `!` *e* | none | Boolean negation. | 8 |
| Update | *e1* `//` *e2* | right | Return a set consisting of the attributes in *e1* and *e2* (with the latter taking precedence over the former in case of equally named attributes). | 9 |
| Less Than | *e1* `<` *e2*, | none | Arithmetic comparison. | 10 |
| Less Than or Equal To | *e1* `<=` *e2* | none | Arithmetic comparison. | 10 |
| Greater Than | *e1* `>` *e2* | none | Arithmetic comparison. | 10 |
| Greater Than or Equal To | *e1* `>=` *e2* | none | Arithmetic comparison. | 10 |
| Less Than | *e1* `<` *e2*, | none | Arithmetic/lexicographic comparison. | 10 |
| Less Than or Equal To | *e1* `<=` *e2* | none | Arithmetic/lexicographic comparison. | 10 |
| Greater Than | *e1* `>` *e2* | none | Arithmetic/lexicographic comparison. | 10 |
| Greater Than or Equal To | *e1* `>=` *e2* | none | Arithmetic/lexicographic comparison. | 10 |
| Equality | *e1* `==` *e2* | none | Equality. | 11 |
| Inequality | *e1* `!=` *e2* | none | Inequality. | 11 |
| Logical AND | *e1* `&&` *e2* | left | Logical AND. | 12 |
| Logical OR | *e1* `\|\|` *e2* | left | Logical OR. | 13 |
| Logical Implication | *e1* `->` *e2* | none | Logical implication (equivalent to `!e1 \|\| e2`). | 14 |
| Logical OR | *e1* <code>&#124;&#124;</code> *e2* | left | Logical OR. | 13 |
| Logical Implication | *e1* `->` *e2* | none | Logical implication (equivalent to <code>!e1 &#124;&#124; e2</code>). | 14 |

2
doc/manual/src/expressions/language-values.md
View file

@ -64,7 +64,7 @@ Nix has the following basic data types:
the start of each line. To be precise, it strips from each line a
number of spaces equal to the minimal indentation of the string as a
whole (disregarding the indentation of empty lines). For instance,
the first and second line are indented two space, while the third
the first and second line are indented two spaces, while the third
line is indented four spaces. Thus, two spaces are stripped from
each line, so the resulting string is

2
doc/manual/src/expressions/simple-building-testing.md
View file

@ -1,6 +1,6 @@
# Building and Testing
You can now try to build Hello. Of course, you could do `nix-env -i
You can now try to build Hello. Of course, you could do `nix-env -f . -iA
hello`, but you may not want to install a possibly broken package just
yet. The best way to test the package is by using the command
`nix-build`, which builds a Nix expression and creates a symlink named

8
doc/manual/src/glossary.md
View file

@ -47,7 +47,7 @@
the store object at `P` contains the path `Q` somewhere. The
*references* of a store path are the set of store paths to which it
has a reference.
A derivation can reference other derivations and sources (but not
output paths), whereas an output path only references other output
paths.
@ -66,7 +66,7 @@
is necessary to deploy whole closures, since otherwise at runtime
files could be missing. The command `nix-store -qR` prints out
closures of store paths.
As an example, if the store object at path `P` contains a reference
to path `Q`, then `Q` is in the closure of `P`. Further, if `Q`
references `R` then `R` is also in the closure of `P`.
@ -98,3 +98,7 @@
store. It can contain regular files, directories and symbolic
links. NARs are generated and unpacked using `nix-store --dump`
and `nix-store --restore`.
- `∅` \
The empty set symbol. In the context of profile history, this denotes a package is not present in a particular version of the profile.
- `ε` \
The epsilon symbol. In the context of a package, this means the version is empty. More precisely, the derivation does not have a version attribute.

11
doc/manual/src/installation/building-source.md
View file

@ -1,9 +1,9 @@
# Building Nix from Source
After unpacking or checking out the Nix sources, issue the following
commands:
After cloning Nix's Git repository, issue the following commands:
```console
$ ./bootstrap.sh
$ ./configure options...
$ make
$ make install
@ -11,13 +11,6 @@ $ make install
Nix requires GNU Make so you may need to invoke `gmake` instead.
When building from the Git repository, these should be preceded by the
command:
```console
$ ./bootstrap.sh
```
The installation path can be specified by passing the `--prefix=prefix`
to `configure`. The default installation directory is `/usr/local`. You
can change this to any location you like. You must have write permission

2
doc/manual/src/installation/env-variables.md
View file

@ -40,7 +40,7 @@ export NIX_SSL_CERT_FILE=/etc/ssl/my-certificate-bundle.crt
> **Note**
>
> You must not add the export and then do the install, as the Nix
> installer will detect the presense of Nix configuration, and abort.
> installer will detect the presence of Nix configuration, and abort.
## `NIX_SSL_CERT_FILE` with macOS and the Nix daemon

24
doc/manual/src/installation/installing-binary.md
View file

@ -119,6 +119,30 @@ this to run the installer, but it may help if you run into trouble:
- update `/etc/synthetic.conf` to direct macOS to create a "synthetic"
empty root directory to mount your volume
- specify mount options for the volume in `/etc/fstab`
- `rw`: read-write
- `noauto`: prevent the system from auto-mounting the volume (so the
LaunchDaemon mentioned below can control mounting it, and to avoid
masking problems with that mounting service).
- `nobrowse`: prevent the Nix Store volume from showing up on your
desktop; also keeps Spotlight from spending resources to index
this volume
<!-- TODO:
- `suid`: honor setuid? surely not? ...
- `owners`: honor file ownership on the volume
For now I'll avoid pretending to understand suid/owners more
than I do. There've been some vague reports of file-ownership
and permission issues, particularly in cloud/VM/headless setups.
My pet theory is that this has something to do with these setups
not having a token that gets delegated to initial/admin accounts
on macOS. See scripts/create-darwin-volume.sh for a little more.
In any case, by Dec 4 2021, it _seems_ like some combination of
suid, owners, and calling diskutil enableOwnership have stopped
new reports from coming in. But I hesitate to celebrate because we
haven't really named and catalogued the behavior, understood what
we're fixing, and validated that all 3 components are essential.
-->
- if you have FileVault enabled
- generate an encryption password
- put it in your system Keychain

59
doc/manual/src/installation/installing-docker.md Normal file
View file

@ -0,0 +1,59 @@
# Using Nix within Docker
To run the latest stable release of Nix with Docker run the following command:
```console
$ docker run -ti nixos/nix
Unable to find image 'nixos/nix:latest' locally
latest: Pulling from nixos/nix
5843afab3874: Pull complete
b52bf13f109c: Pull complete
1e2415612aa3: Pull complete
Digest: sha256:27f6e7f60227e959ee7ece361f75d4844a40e1cc6878b6868fe30140420031ff
Status: Downloaded newer image for nixos/nix:latest
35ca4ada6e96:/# nix --version
nix (Nix) 2.3.12
35ca4ada6e96:/# exit
```
# What is included in Nix's Docker image?
The official Docker image is created using `pkgs.dockerTools.buildLayeredImage`
(and not with `Dockerfile` as it is usual with Docker images). You can still
base your custom Docker image on it as you would do with any other Docker
image.
The Docker image is also not based on any other image and includes minimal set
of runtime dependencies that are required to use Nix:
- pkgs.nix
- pkgs.bashInteractive
- pkgs.coreutils-full
- pkgs.gnutar
- pkgs.gzip
- pkgs.gnugrep
- pkgs.which
- pkgs.curl
- pkgs.less
- pkgs.wget
- pkgs.man
- pkgs.cacert.out
- pkgs.findutils
# Docker image with the latest development version of Nix
To get the latest image that was built by [Hydra](https://hydra.nixos.org) run
the following command:
```console
$ curl -L https://hydra.nixos.org/job/nix/master/dockerImage.x86_64-linux/latest/download/1 | docker load
$ docker run -ti nix:2.5pre20211105
```
You can also build a Docker image from source yourself:
```console
$ nix build ./\#hydraJobs.dockerImage.x86_64-linux
$ docker load -i ./result/image.tar.gz
$ docker run -ti nix:2.5pre20211105
```

4
doc/manual/src/installation/installing-source.md
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@ -1,4 +1,4 @@
# Installing Nix from Source
If no binary package is available, you can download and compile a source
distribution.
If no binary package is available or if you want to hack on Nix, you
can build Nix from its Git repository.

15
doc/manual/src/installation/obtaining-source.md
View file

@ -1,14 +1,9 @@
# Obtaining a Source Distribution
# Obtaining the Source
The source tarball of the most recent stable release can be downloaded
from the [Nix homepage](http://nixos.org/nix/download.html). You can
also grab the [most recent development
release](http://hydra.nixos.org/job/nix/master/release/latest-finished#tabs-constituents).
Alternatively, the most recent sources of Nix can be obtained from its
[Git repository](https://github.com/NixOS/nix). For example, the
following command will check out the latest revision into a directory
called `nix`:
The most recent sources of Nix can be obtained from its [Git
repository](https://github.com/NixOS/nix). For example, the following
command will check out the latest revision into a directory called
`nix`:
```console
$ git clone https://github.com/NixOS/nix

21
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@ -2,9 +2,8 @@
- GNU Autoconf (<https://www.gnu.org/software/autoconf/>) and the
autoconf-archive macro collection
(<https://www.gnu.org/software/autoconf-archive/>). These are only
needed to run the bootstrap script, and are not necessary if your
source distribution came with a pre-built `./configure` script.
(<https://www.gnu.org/software/autoconf-archive/>). These are
needed to run the bootstrap script.
- GNU Make.
@ -45,6 +44,11 @@
obtained from the its repository
<https://github.com/troglobit/editline>.
- The `libsodium` library for verifying cryptographic signatures
of contents fetched from binary caches.
It can be obtained from the official web site
<https://libsodium.org>.
- Recent versions of Bison and Flex to build the parser. (This is
because Nix needs GLR support in Bison and reentrancy support in
Flex.) For Bison, you need version 2.6, which can be obtained from
@ -52,11 +56,18 @@
you need version 2.5.35, which is available on
[SourceForge](http://lex.sourceforge.net/). Slightly older versions
may also work, but ancient versions like the ubiquitous 2.5.4a
won't. Note that these are only required if you modify the parser or
when you are building from the Git repository.
won't.
- The `libseccomp` is used to provide syscall filtering on Linux. This
is an optional dependency and can be disabled passing a
`--disable-seccomp-sandboxing` option to the `configure` script (Not
recommended unless your system doesn't support `libseccomp`). To get
the library, visit <https://github.com/seccomp/libseccomp>.
- On 64-bit x86 machines only, `libcpuid` library
is used to determine which microarchitecture levels are supported
(e.g., as whether to have `x86_64-v2-linux` among additional system types).
The library is available from its homepage
<http://libcpuid.sourceforge.net>.
This is an optional dependency and can be disabled
by providing a `--disable-cpuid` to the `configure` script.

2
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@ -4,4 +4,4 @@ Nix is currently supported on the following platforms:
- Linux (i686, x86\_64, aarch64).
- macOS (x86\_64).
- macOS (x86\_64, aarch64).

6
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@ -76,7 +76,7 @@ there after an upgrade. This means that you can _roll back_ to the
old version:
```console
$ nix-env --upgrade some-packages
$ nix-env --upgrade -A nixpkgs.some-package
$ nix-env --rollback
```
@ -122,12 +122,12 @@ Nix expressions generally describe how to build a package from
source, so an installation action like
```console
$ nix-env --install firefox
$ nix-env --install -A nixpkgs.firefox
```
_could_ cause quite a bit of build activity, as not only Firefox but
also all its dependencies (all the way up to the C library and the
compiler) would have to built, at least if they are not already in the
compiler) would have to be built, at least if they are not already in the
Nix store. This is a _source deployment model_. For most users,
building from source is not very pleasant as it takes far too long.
However, Nix can automatically skip building from source and instead

65
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View file

@ -24,7 +24,7 @@ collection; you could write your own Nix expressions based on Nixpkgs,
or completely new ones.)
You can manually download the latest version of Nixpkgs from
<http://nixos.org/nixpkgs/download.html>. However, it’s much more
<https://github.com/NixOS/nixpkgs>. However, it’s much more
convenient to use the Nixpkgs [*channel*](channels.md), since it makes
it easy to stay up to date with new versions of Nixpkgs. Nixpkgs is
automatically added to your list of “subscribed” channels when you
@ -40,48 +40,52 @@ $ nix-channel --update
>
> On NixOS, you’re automatically subscribed to a NixOS channel
> corresponding to your NixOS major release (e.g.
> <http://nixos.org/channels/nixos-14.12>). A NixOS channel is identical
> <http://nixos.org/channels/nixos-21.11>). A NixOS channel is identical
> to the Nixpkgs channel, except that it contains only Linux binaries
> and is updated only if a set of regression tests succeed.
You can view the set of available packages in Nixpkgs:
```console
$ nix-env -qa
aterm-2.2
bash-3.0
binutils-2.15
bison-1.875d
blackdown-1.4.2
bzip2-1.0.2
$ nix-env -qaP
nixpkgs.aterm aterm-2.2
nixpkgs.bash bash-3.0
nixpkgs.binutils binutils-2.15
nixpkgs.bison bison-1.875d
nixpkgs.blackdown blackdown-1.4.2
nixpkgs.bzip2 bzip2-1.0.2
…
```
The flag `-q` specifies a query operation, and `-a` means that you want
The flag `-q` specifies a query operation, `-a` means that you want
to show the “available” (i.e., installable) packages, as opposed to the
installed packages. If you downloaded Nixpkgs yourself, or if you
checked it out from GitHub, then you need to pass the path to your
Nixpkgs tree using the `-f` flag:
installed packages, and `-P` prints the attribute paths that can be used
to unambiguously select a package for installation (listed in the first column).
If you downloaded Nixpkgs yourself, or if you checked it out from GitHub,
then you need to pass the path to your Nixpkgs tree using the `-f` flag:
```console
$ nix-env -qaf /path/to/nixpkgs
$ nix-env -qaPf /path/to/nixpkgs
aterm aterm-2.2
bash bash-3.0
…
```
where */path/to/nixpkgs* is where you’ve unpacked or checked out
Nixpkgs.
You can select specific packages by name:
You can filter the packages by name:
```console
$ nix-env -qa firefox
firefox-34.0.5
firefox-with-plugins-34.0.5
$ nix-env -qaP firefox
nixpkgs.firefox-esr firefox-91.3.0esr
nixpkgs.firefox firefox-94.0.1
```
and using regular expressions:
```console
$ nix-env -qa 'firefox.*'
$ nix-env -qaP 'firefox.*'
```
It is also possible to see the *status* of available packages, i.e.,
@ -89,11 +93,11 @@ whether they are installed into the user environment and/or present in
the system:
```console
$ nix-env -qas
$ nix-env -qaPs
…
-PS bash-3.0
--S binutils-2.15
IPS bison-1.875d
-PS nixpkgs.bash bash-3.0
--S nixpkgs.binutils binutils-2.15
IPS nixpkgs.bison bison-1.875d
…
```
@ -106,13 +110,13 @@ which is Nix’s mechanism for doing binary deployment. It just means that
Nix knows that it can fetch a pre-built package from somewhere
(typically a network server) instead of building it locally.
You can install a package using `nix-env -i`. For instance,
You can install a package using `nix-env -iA`. For instance,
```console
$ nix-env -i subversion
$ nix-env -iA nixpkgs.subversion
```
will install the package called `subversion` (which is, of course, the
will install the package called `subversion` from `nixpkgs` channel (which is, of course, the
[Subversion version management system](http://subversion.tigris.org/)).
> **Note**
@ -122,7 +126,7 @@ will install the package called `subversion` (which is, of course, the
> binary cache <https://cache.nixos.org>; it contains binaries for most
> packages in Nixpkgs. Only if no binary is available in the binary
> cache, Nix will build the package from source. So if `nix-env
> -i subversion` results in Nix building stuff from source, then either
> -iA nixpkgs.subversion` results in Nix building stuff from source, then either
> the package is not built for your platform by the Nixpkgs build
> servers, or your version of Nixpkgs is too old or too new. For
> instance, if you have a very recent checkout of Nixpkgs, then the
@ -133,7 +137,10 @@ will install the package called `subversion` (which is, of course, the
> using a Git checkout of the Nixpkgs tree), you will get binaries for
> most packages.
Naturally, packages can also be uninstalled:
Naturally, packages can also be uninstalled. Unlike when installing, you will
need to use the derivation name (though the version part can be omitted),
instead of the attribute path, as `nix-env` does not record which attribute
was used for installing:
```console
$ nix-env -e subversion
@ -143,7 +150,7 @@ Upgrading to a new version is just as easy. If you have a new release of
Nix Packages, you can do:
```console
$ nix-env -u subversion
$ nix-env -uA nixpkgs.subversion
```
This will *only* upgrade Subversion if there is a “newer” version in the

4
doc/manual/src/package-management/binary-cache-substituter.md
View file

@ -9,7 +9,7 @@ The daemon that handles binary cache requests via HTTP, `nix-serve`, is
not part of the Nix distribution, but you can install it from Nixpkgs:
```console
$ nix-env -i nix-serve
$ nix-env -iA nixpkgs.nix-serve
```
You can then start the server, listening for HTTP connections on
@ -35,7 +35,7 @@ On the client side, you can tell Nix to use your binary cache using
`--option extra-binary-caches`, e.g.:
```console
$ nix-env -i firefox --option extra-binary-caches http://avalon:8080/
$ nix-env -iA nixpkgs.firefox --option extra-binary-caches http://avalon:8080/
```
The option `extra-binary-caches` tells Nix to use this binary cache in

2
doc/manual/src/package-management/garbage-collection.md
View file

@ -44,7 +44,7 @@ collector as follows:
$ nix-store --gc
```
The behaviour of the gargage collector is affected by the
The behaviour of the garbage collector is affected by the
`keep-derivations` (default: true) and `keep-outputs` (default: false)
options in the Nix configuration file. The defaults will ensure that all
derivations that are build-time dependencies of garbage collector roots

6
doc/manual/src/package-management/profiles.md
View file

@ -39,7 +39,7 @@ just Subversion 1.1.2 (arrows in the figure indicate symlinks). This
would be what we would obtain if we had done
```console
$ nix-env -i subversion
$ nix-env -iA nixpkgs.subversion
```
on a set of Nix expressions that contained Subversion 1.1.2.
@ -54,7 +54,7 @@ environment is generated based on the current one. For instance,
generation 43 was created from generation 42 when we did
```console
$ nix-env -i subversion firefox
$ nix-env -iA nixpkgs.subversion nixpkgs.firefox
```
on a set of Nix expressions that contained Firefox and a new version of
@ -127,7 +127,7 @@ All `nix-env` operations work on the profile pointed to by
(abbreviation `-p`):
```console
$ nix-env -p /nix/var/nix/profiles/other-profile -i subversion
$ nix-env -p /nix/var/nix/profiles/other-profile -iA nixpkgs.subversion
```
This will *not* change the `~/.nix-profile` symlink.

2
doc/manual/src/package-management/ssh-substituter.md
View file

@ -6,7 +6,7 @@ automatically fetching any store paths in Firefox’s closure if they are
available on the server `avalon`:
```console
$ nix-env -i firefox --substituters ssh://alice@avalon
$ nix-env -iA nixpkgs.firefox --substituters ssh://alice@avalon
```
This works similar to the binary cache substituter that Nix usually

14
doc/manual/src/quick-start.md
View file

@ -19,19 +19,19 @@ to subsequent chapters.
channel:
```console
$ nix-env -qa
docbook-xml-4.3
docbook-xml-4.5
firefox-33.0.2
hello-2.9
libxslt-1.1.28
$ nix-env -qaP
nixpkgs.docbook_xml_dtd_43 docbook-xml-4.3
nixpkgs.docbook_xml_dtd_45 docbook-xml-4.5
nixpkgs.firefox firefox-33.0.2
nixpkgs.hello hello-2.9
nixpkgs.libxslt libxslt-1.1.28
…
```
1. Install some packages from the channel:
```console
$ nix-env -i hello
$ nix-env -iA nixpkgs.hello
```
This should download pre-built packages; it should not build them

548
doc/manual/src/release-notes/rl-2.4.md
View file

@ -1,8 +1,542 @@
# Release 2.4 (202X-XX-XX)
# Release 2.4 (2021-11-01)
- It is now an error to modify the `plugin-files` setting via a
command-line flag that appears after the first non-flag argument
to any command, including a subcommand to `nix`. For example,
`nix-instantiate default.nix --plugin-files ""` must now become
`nix-instantiate --plugin-files "" default.nix`.
- Plugins that add new `nix` subcommands are now actually respected.
This is the first release in more than two years and is the result of
more than 2800 commits from 195 contributors since release 2.3.
## Highlights
* Nix's **error messages** have been improved a lot. For instance,
evaluation errors now point out the location of the error:
```
$ nix build
error: undefined variable 'bzip3'
at /nix/store/449lv242z0zsgwv95a8124xi11sp419f-source/flake.nix:88:13:
87| [ curl
88| bzip3 xz brotli editline
| ^
89| openssl sqlite
```
* The **`nix` command** has seen a lot of work and is now almost at
feature parity with the old command-line interface (the `nix-*`
commands). It aims to be [more modern, consistent and pleasant to
use](../contributing/cli-guideline.md) than the old CLI. It is still
marked as experimental but its interface should not change much
anymore in future releases.
* **Flakes** are a new format to package Nix-based projects in a more
discoverable, composable, consistent and reproducible way. A flake
is just a repository or tarball containing a file named `flake.nix`
that specifies dependencies on other flakes and returns any Nix
assets such as packages, Nixpkgs overlays, NixOS modules or CI
tests. The new `nix` CLI is primarily based around flakes; for
example, a command like `nix run nixpkgs#hello` runs the `hello`
application from the `nixpkgs` flake.
Flakes are currently marked as experimental. For an introduction,
see [this blog
post](https://www.tweag.io/blog/2020-05-25-flakes/). For detailed
information about flake syntax and semantics, see the [`nix flake`
manual page](../command-ref/new-cli/nix3-flake.md).
* Nix's store can now be **content-addressed**, meaning that the hash
component of a store path is the hash of the path's
contents. Previously Nix could only build **input-addressed** store
paths, where the hash is computed from the derivation dependency
graph. Content-addressing allows deduplication, early cutoff in
build systems, and unprivileged closure copying. This is still [an
experimental
feature](https://discourse.nixos.org/t/content-addressed-nix-call-for-testers/12881).
* The Nix manual has been converted into Markdown, making it easier to
contribute. In addition, every `nix` subcommand now has a manual
page, documenting every option.
* A new setting that allows **experimental features** to be enabled
selectively. This allows us to merge unstable features into Nix more
quickly and do more frequent releases.
## Other features
* There are many new `nix` subcommands:
- `nix develop` is intended to replace `nix-shell`. It has a number
of new features:
* It automatically sets the output environment variables (such as
`$out`) to writable locations (such as `./outputs/out`).
* It can store the environment in a profile. This is useful for
offline work.
* It can run specific phases directly. For instance, `nix develop
--build` runs `buildPhase`.
- It allows dependencies in the Nix store to be "redirected" to
arbitrary directories using the `--redirect` flag. This is
useful if you want to hack on a package *and* some of its
dependencies at the same time.
- `nix print-dev-env` prints the environment variables and bash
functions defined by a derivation. This is useful for users of
other shells than bash (especially with `--json`).
- `nix shell` was previously named `nix run` and is intended to
replace `nix-shell -p`, but without the `stdenv` overhead. It
simply starts a shell where some packages have been added to
`$PATH`.
- `nix run` (not to be confused with the old subcommand that has
been renamed to `nix shell`) runs an "app", a flake output that
specifies a command to run, or an eponymous program from a
package. For example, `nix run nixpkgs#hello` runs the `hello`
program from the `hello` package in `nixpkgs`.
- `nix flake` is the container for flake-related operations, such as
creating a new flake, querying the contents of a flake or updating
flake lock files.
- `nix registry` allows you to query and update the flake registry,
which maps identifiers such as `nixpkgs` to concrete flake URLs.
- `nix profile` is intended to replace `nix-env`. Its main advantage
is that it keeps track of the provenance of installed packages
(e.g. exactly which flake version a package came from). It also
has some helpful subcommands:
* `nix profile history` shows what packages were added, upgraded
or removed between each version of a profile.
* `nix profile diff-closures` shows the changes between the
closures of each version of a profile. This allows you to
discover the addition or removal of dependencies or size
changes.
**Warning**: after a profile has been updated using `nix profile`,
it is no longer usable with `nix-env`.
- `nix store diff-closures` shows the differences between the
closures of two store paths in terms of the versions and sizes of
dependencies in the closures.
- `nix store make-content-addressable` rewrites an arbitrary closure
to make it content-addressed. Such paths can be copied into other
stores without requiring signatures.
- `nix bundle` uses the [`nix-bundle`
program](https://github.com/matthewbauer/nix-bundle) to convert a
closure into a self-extracting executable.
- Various other replacements for the old CLI, e.g. `nix store gc`,
`nix store delete`, `nix store repair`, `nix nar dump-path`, `nix
store prefetch-file`, `nix store prefetch-tarball`, `nix key` and
`nix daemon`.
* Nix now has an **evaluation cache** for flake outputs. For example,
a second invocation of the command `nix run nixpkgs#firefox` will
not need to evaluate the `firefox` attribute because it's already in
the evaluation cache. This is made possible by the hermetic
evaluation model of flakes.
* The new `--offline` flag disables substituters and causes all
locally cached tarballs and repositories to be considered
up-to-date.
* The new `--refresh` flag causes all locally cached tarballs and
repositories to be considered out-of-date.
* Many `nix` subcommands now have a `--json` option to produce
machine-readable output.
* `nix repl` has a new `:doc` command to show documentation about
builtin functions (e.g. `:doc builtins.map`).
* Binary cache stores now have an option `index-debug-info` to create
an index of DWARF debuginfo files for use by
[`dwarffs`](https://github.com/edolstra/dwarffs).
* To support flakes, Nix now has an extensible mechanism for fetching
source trees. Currently it has the following backends:
* Git repositories
* Mercurial repositories
* GitHub and GitLab repositories (an optimisation for faster
fetching than Git)
* Tarballs
* Arbitrary directories
The fetcher infrastructure is exposed via flake input specifications
and via the `fetchTree` built-in.
* **Languages changes**: the only new language feature is that you can
now have antiquotations in paths, e.g. `./${foo}` instead of `./. +
foo`.
* **New built-in functions**:
- `builtins.fetchTree` allows fetching a source tree using any
backends supported by the fetcher infrastructure. It subsumes the
functionality of existing built-ins like `fetchGit`,
`fetchMercurial` and `fetchTarball`.
- `builtins.getFlake` fetches a flake and returns its output
attributes. This function should not be used inside flakes! Use
flake inputs instead.
- `builtins.floor` and `builtins.ceil` round a floating-point number
down and up, respectively.
* Experimental support for recursive Nix. This means that Nix
derivations can now call Nix to build other derivations. This is not
in a stable state yet and not well
[documented](https://github.com/NixOS/nix/commit/c4d7c76b641d82b2696fef73ce0ac160043c18da).
* The new experimental feature `no-url-literals` disables URL
literals. This helps to implement [RFC
45](https://github.com/NixOS/rfcs/pull/45).
* Nix now uses `libarchive` to decompress and unpack tarballs and zip
files, so `tar` is no longer required.
* The priority of substituters can now be overridden using the
`priority` substituter setting (e.g. `--substituters
'http://cache.nixos.org?priority=100 daemon?priority=10'`).
* `nix edit` now supports non-derivation attributes, e.g. `nix edit
.#nixosConfigurations.bla`.
* The `nix` command now provides command line completion for `bash`,
`zsh` and `fish`. Since the support for getting completions is built
into `nix`, it's easy to add support for other shells.
* The new `--log-format` flag selects what Nix's output looks like. It
defaults to a terse progress indicator. There is a new
`internal-json` output format for use by other programs.
* `nix eval` has a new `--apply` flag that applies a function to the
evaluation result.
* `nix eval` has a new `--write-to` flag that allows it to write a
nested attribute set of string leaves to a corresponding directory
tree.
* Memory improvements: many operations that add paths to the store or
copy paths between stores now run in constant memory.
* Many `nix` commands now support the flag `--derivation` to operate
on a `.drv` file itself instead of its outputs.
* There is a new store called `dummy://` that does not support
building or adding paths. This is useful if you want to use the Nix
evaluator but don't have a Nix store.
* The `ssh-ng://` store now allows substituting paths on the remote,
as `ssh://` already did.
* When auto-calling a function with an ellipsis, all arguments are now
passed.
* New `nix-shell` features:
- It preserves the `PS1` environment variable if
`NIX_SHELL_PRESERVE_PROMPT` is set.
- With `-p`, it passes any `--arg`s as Nixpkgs arguments.
- Support for structured attributes.
* `nix-prefetch-url` has a new `--executable` flag.
* On `x86_64` systems, [`x86_64` microarchitecture
levels](https://lwn.net/Articles/844831/) are mapped to additional
system types (e.g. `x86_64-v1-linux`).
* The new `--eval-store` flag allows you to use a different store for
evaluation than for building or storing the build result. This is
primarily useful when you want to query whether something exists in
a read-only store, such as a binary cache:
```
# nix path-info --json --store https://cache.nixos.org \
--eval-store auto nixpkgs#hello
```
(Here `auto` indicates the local store.)
* The Nix daemon has a new low-latency mechanism for copying
closures. This is useful when building on remote stores such as
`ssh-ng://`.
* Plugins can now register `nix` subcommands.
* The `--indirect` flag to `nix-store --add-root` has become a no-op.
`--add-root` will always generate indirect GC roots from now on.
## Incompatible changes
* The `nix` command is now marked as an experimental feature. This
means that you need to add
```
experimental-features = nix-command
```
to your `nix.conf` if you want to use it, or pass
`--extra-experimental-features nix-command` on the command line.
* The `nix` command no longer has a syntax for referring to packages
in a channel. This means that the following no longer works:
```console
nix build nixpkgs.hello # Nix 2.3
```
Instead, you can either use the `#` syntax to select a package from
a flake, e.g.
```console
nix build nixpkgs#hello
```
Or, if you want to use the `nixpkgs` channel in the `NIX_PATH`
environment variable:
```console
nix build -f '<nixpkgs>' hello
```
* The old `nix run` has been renamed to `nix shell`, while there is a
new `nix run` that runs a default command. So instead of
```console
nix run nixpkgs.hello -c hello # Nix 2.3
```
you should use
```console
nix shell nixpkgs#hello -c hello
```
or just
```console
nix run nixpkgs#hello
```
if the command you want to run has the same name as the package.
* It is now an error to modify the `plugin-files` setting via a
command-line flag that appears after the first non-flag argument to
any command, including a subcommand to `nix`. For example,
`nix-instantiate default.nix --plugin-files ""` must now become
`nix-instantiate --plugin-files "" default.nix`.
* We no longer release source tarballs. If you want to build from
source, please build from the tags in the Git repository.
## Contributors
This release has contributions from
Adam Höse,
Albert Safin,
Alex Kovar,
Alex Zero,
Alexander Bantyev,
Alexandre Esteves,
Alyssa Ross,
Anatole Lucet,
Anders Kaseorg,
Andreas Rammhold,
Antoine Eiche,
Antoine Martin,
Arnout Engelen,
Arthur Gautier,
aszlig,
Ben Burdette,
Benjamin Hipple,
Bernardo Meurer,
Björn Gohla,
Bjørn Forsman,
Bob van der Linden,
Brian Leung,
Brian McKenna,
Brian Wignall,
Bruce Toll,
Bryan Richter,
Calle Rosenquist,
Calvin Loncaric,
Carlo Nucera,
Carlos D'Agostino,
Chaz Schlarp,
Christian Höppner,
Christian Kampka,
Chua Hou,
Chuck,
Cole Helbling,
Daiderd Jordan,
Dan Callahan,
Dani,
Daniel Fitzpatrick,
Danila Fedorin,
Daniël de Kok,
Danny Bautista,
DavHau,
David McFarland,
Dima,
Domen Kožar,
Dominik Schrempf,
Dominique Martinet,
dramforever,
Dustin DeWeese,
edef,
Eelco Dolstra,
Ellie Hermaszewska,
Emilio Karakey,
Emily,
Eric Culp,
Ersin Akinci,
Fabian Möller,
Farid Zakaria,
Federico Pellegrin,
Finn Behrens,
Florian Franzen,
Félix Baylac-Jacqué,
Gabriella Gonzalez,
Geoff Reedy,
Georges Dubus,
Graham Christensen,
Greg Hale,
Greg Price,
Gregor Kleen,
Gregory Hale,
Griffin Smith,
Guillaume Bouchard,
Harald van Dijk,
illustris,
Ivan Zvonimir Horvat,
Jade,
Jake Waksbaum,
jakobrs,
James Ottaway,
Jan Tojnar,
Janne Heß,
Jaroslavas Pocepko,
Jarrett Keifer,
Jeremy Schlatter,
Joachim Breitner,
Joe Pea,
John Ericson,
Jonathan Ringer,
Josef Kemetmüller,
Joseph Lucas,
Jude Taylor,
Julian Stecklina,
Julien Tanguy,
Jörg Thalheim,
Kai Wohlfahrt,
keke,
Keshav Kini,
Kevin Quick,
Kevin Stock,
Kjetil Orbekk,
Krzysztof Gogolewski,
kvtb,
Lars Mühmel,
Leonhard Markert,
Lily Ballard,
Linus Heckemann,
Lorenzo Manacorda,
Lucas Desgouilles,
Lucas Franceschino,
Lucas Hoffmann,
Luke Granger-Brown,
Madeline Haraj,
Marwan Aljubeh,
Mat Marini,
Mateusz Piotrowski,
Matthew Bauer,
Matthew Kenigsberg,
Mauricio Scheffer,
Maximilian Bosch,
Michael Adler,
Michael Bishop,
Michael Fellinger,
Michael Forney,
Michael Reilly,
mlatus,
Mykola Orliuk,
Nathan van Doorn,
Naïm Favier,
ng0,
Nick Van den Broeck,
Nicolas Stig124 Formichella,
Niels Egberts,
Niklas Hambüchen,
Nikola Knezevic,
oxalica,
p01arst0rm,
Pamplemousse,
Patrick Hilhorst,
Paul Opiyo,
Pavol Rusnak,
Peter Kolloch,
Philipp Bartsch,
Philipp Middendorf,
Piotr Szubiakowski,
Profpatsch,
Puck Meerburg,
Ricardo M. Correia,
Rickard Nilsson,
Robert Hensing,
Robin Gloster,
Rodrigo,
Rok Garbas,
Ronnie Ebrin,
Rovanion Luckey,
Ryan Burns,
Ryan Mulligan,
Ryne Everett,
Sam Doshi,
Sam Lidder,
Samir Talwar,
Samuel Dionne-Riel,
Sebastian Ullrich,
Sergei Trofimovich,
Sevan Janiyan,
Shao Cheng,
Shea Levy,
Silvan Mosberger,
Stefan Frijters,
Stefan Jaax,
sternenseemann,
Steven Shaw,
Stéphan Kochen,
SuperSandro2000,
Suraj Barkale,
Taeer Bar-Yam,
Thomas Churchman,
Théophane Hufschmitt,
Timothy DeHerrera,
Timothy Klim,
Tobias Möst,
Tobias Pflug,
Tom Bereknyei,
Travis A. Everett,
Ujjwal Jain,
Vladimír Čunát,
Wil Taylor,
Will Dietz,
Yaroslav Bolyukin,
Yestin L. Harrison,
YI,
Yorick van Pelt,
Yuriy Taraday and
zimbatm.

16
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View file

@ -0,0 +1,16 @@
# Release 2.5 (2021-12-13)
* The garbage collector no longer blocks new builds, so the message
`waiting for the big garbage collector lock...` is a thing of the
past.
* Binary cache stores now have a setting `compression-level`.
* `nix develop` now has a flag `--unpack` to run `unpackPhase`.
* Lists can now be compared lexicographically using the `<` operator.
* New built-in function: `builtins.groupBy`, with the same functionality as
Nixpkgs' `lib.groupBy`, but faster.
* `nix repl` now has a `:log` command.

21
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View file

@ -0,0 +1,21 @@
# Release 2.6 (2022-01-24)
* The Nix CLI now searches for a `flake.nix` up until the root of the current
Git repository or a filesystem boundary rather than just in the current
directory.
* The TOML parser used by `builtins.fromTOML` has been replaced by [a
more compliant one](https://github.com/ToruNiina/toml11).
* Added `:st`/`:show-trace` commands to `nix repl`, which are used to
set or toggle display of error traces.
* New builtin function `builtins.zipAttrsWith` with the same
functionality as `lib.zipAttrsWith` from Nixpkgs, but much more
efficient.
* New command `nix store copy-log` to copy build logs from one store
to another.
* The `commit-lockfile-summary` option can be set to a non-empty
string to override the commit summary used when commiting an updated
lockfile. This may be used in conjunction with the `nixConfig`
attribute in `flake.nix` to better conform to repository
conventions.
* `docker run -ti nixos/nix:master` will place you in the Docker
container with the latest version of Nix from the `master` branch.

28
doc/manual/src/release-notes/rl-next.md Normal file
View file

@ -0,0 +1,28 @@
# Release X.Y (202?-??-??)
* A number of "default" flake output attributes have been
renamed. These are:
* `defaultPackage.<system>` → `packages.<system>.default`
* `defaultApps.<system>` → `apps.<system>.default`
* `defaultTemplate` → `templates.default`
* `defaultBundler.<system>` → `bundlers.<system>.default`
* `overlay` → `overlays.default`
* `devShell.<system>` → `devShells.<system>.default`
The old flake output attributes still work, but `nix flake check`
will warn about them.
* `nix bundle` breaking API change now supports bundlers of the form
`bundler.<system>.<name>= derivation: another-derivation;`. This supports
additional functionality to inspect evaluation information during bundling. A
new [repository](https://github.com/NixOS/bundlers) has various bundlers
implemented.
* `nix store ping` now reports the version of the remote Nix daemon.
* `nix flake {init,new}` now display information about which files have been
created.
* Templates can now define a `welcomeText` attribute, which is printed out by
`nix flake {init,new} --template <template>`.

264
docker.nix Normal file
View file

@ -0,0 +1,264 @@
{ pkgs ? import <nixpkgs> { }
, lib ? pkgs.lib
, name ? "nix"
, tag ? "latest"
, channelName ? "nixpkgs"
, channelURL ? "https://nixos.org/channels/nixpkgs-unstable"
}:
let
defaultPkgs = with pkgs; [
nix
bashInteractive
coreutils-full
gnutar
gzip
gnugrep
which
curl
less
wget
man
cacert.out
findutils
iana-etc
git
];
users = {
root = {
uid = 0;
shell = "/bin/bash";
home = "/root";
gid = 0;
};
} // lib.listToAttrs (
map
(
n: {
name = "nixbld${toString n}";
value = {
uid = 30000 + n;
gid = 30000;
groups = [ "nixbld" ];
description = "Nix build user ${toString n}";
};
}
)
(lib.lists.range 1 32)
);
groups = {
root.gid = 0;
nixbld.gid = 30000;
};
userToPasswd = (
k:
{ uid
, gid ? 65534
, home ? "/var/empty"
, description ? ""
, shell ? "/bin/false"
, groups ? [ ]
}: "${k}:x:${toString uid}:${toString gid}:${description}:${home}:${shell}"
);
passwdContents = (
lib.concatStringsSep "\n"
(lib.attrValues (lib.mapAttrs userToPasswd users))
);
userToShadow = k: { ... }: "${k}:!:1::::::";
shadowContents = (
lib.concatStringsSep "\n"
(lib.attrValues (lib.mapAttrs userToShadow users))
);
# Map groups to members
# {
# group = [ "user1" "user2" ];
# }
groupMemberMap = (
let
# Create a flat list of user/group mappings
mappings = (
builtins.foldl'
(
acc: user:
let
groups = users.${user}.groups or [ ];
in
acc ++ map
(group: {
inherit user group;
})
groups
)
[ ]
(lib.attrNames users)
);
in
(
builtins.foldl'
(
acc: v: acc // {
${v.group} = acc.${v.group} or [ ] ++ [ v.user ];
}
)
{ }
mappings)
);
groupToGroup = k: { gid }:
let
members = groupMemberMap.${k} or [ ];
in
"${k}:x:${toString gid}:${lib.concatStringsSep "," members}";
groupContents = (
lib.concatStringsSep "\n"
(lib.attrValues (lib.mapAttrs groupToGroup groups))
);
nixConf = {
sandbox = "false";
build-users-group = "nixbld";
trusted-public-keys = "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=";
};
nixConfContents = (lib.concatStringsSep "\n" (lib.mapAttrsFlatten (n: v: "${n} = ${v}") nixConf)) + "\n";
baseSystem =
let
nixpkgs = pkgs.path;
channel = pkgs.runCommand "channel-nixos" { } ''
mkdir $out
ln -s ${nixpkgs} $out/nixpkgs
echo "[]" > $out/manifest.nix
'';
rootEnv = pkgs.buildPackages.buildEnv {
name = "root-profile-env";
paths = defaultPkgs;
};
manifest = pkgs.buildPackages.runCommand "manifest.nix" { } ''
cat > $out <<EOF
[
${lib.concatStringsSep "\n" (builtins.map (drv: let
outputs = drv.outputsToInstall or [ "out" ];
in ''
{
${lib.concatStringsSep "\n" (builtins.map (output: ''
${output} = { outPath = "${lib.getOutput output drv}"; };
'') outputs)}
outputs = [ ${lib.concatStringsSep " " (builtins.map (x: "\"${x}\"") outputs)} ];
name = "${drv.name}";
outPath = "${drv}";
system = "${drv.system}";
type = "derivation";
meta = { };
}
'') defaultPkgs)}
]
EOF
'';
profile = pkgs.buildPackages.runCommand "user-environment" { } ''
mkdir $out
cp -a ${rootEnv}/* $out/
ln -s ${manifest} $out/manifest.nix
'';
in
pkgs.runCommand "base-system"
{
inherit passwdContents groupContents shadowContents nixConfContents;
passAsFile = [
"passwdContents"
"groupContents"
"shadowContents"
"nixConfContents"
];
allowSubstitutes = false;
preferLocalBuild = true;
} ''
env
set -x
mkdir -p $out/etc
mkdir -p $out/etc/ssl/certs
ln -s /nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt $out/etc/ssl/certs
cat $passwdContentsPath > $out/etc/passwd
echo "" >> $out/etc/passwd
cat $groupContentsPath > $out/etc/group
echo "" >> $out/etc/group
cat $shadowContentsPath > $out/etc/shadow
echo "" >> $out/etc/shadow
mkdir -p $out/usr
ln -s /nix/var/nix/profiles/share $out/usr/
mkdir -p $out/nix/var/nix/gcroots
mkdir $out/tmp
mkdir -p $out/var/tmp
mkdir -p $out/etc/nix
cat $nixConfContentsPath > $out/etc/nix/nix.conf
mkdir -p $out/root
mkdir -p $out/nix/var/nix/profiles/per-user/root
ln -s ${profile} $out/nix/var/nix/profiles/default-1-link
ln -s $out/nix/var/nix/profiles/default-1-link $out/nix/var/nix/profiles/default
ln -s /nix/var/nix/profiles/default $out/root/.nix-profile
ln -s ${channel} $out/nix/var/nix/profiles/per-user/root/channels-1-link
ln -s $out/nix/var/nix/profiles/per-user/root/channels-1-link $out/nix/var/nix/profiles/per-user/root/channels
mkdir -p $out/root/.nix-defexpr
ln -s $out/nix/var/nix/profiles/per-user/root/channels $out/root/.nix-defexpr/channels
echo "${channelURL} ${channelName}" > $out/root/.nix-channels
mkdir -p $out/bin $out/usr/bin
ln -s ${pkgs.coreutils}/bin/env $out/usr/bin/env
ln -s ${pkgs.bashInteractive}/bin/bash $out/bin/sh
'';
in
pkgs.dockerTools.buildLayeredImageWithNixDb {
inherit name tag;
contents = [ baseSystem ];
extraCommands = ''
rm -rf nix-support
ln -s /nix/var/nix/profiles nix/var/nix/gcroots/profiles
'';
fakeRootCommands = ''
chmod 1777 tmp
chmod 1777 var/tmp
'';
config = {
Cmd = [ "/root/.nix-profile/bin/bash" ];
Env = [
"USER=root"
"PATH=${lib.concatStringsSep ":" [
"/root/.nix-profile/bin"
"/nix/var/nix/profiles/default/bin"
"/nix/var/nix/profiles/default/sbin"
]}"
"MANPATH=${lib.concatStringsSep ":" [
"/root/.nix-profile/share/man"
"/nix/var/nix/profiles/default/share/man"
]}"
"SSL_CERT_FILE=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt"
"GIT_SSL_CAINFO=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt"
"NIX_SSL_CERT_FILE=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt"
"NIX_PATH=/nix/var/nix/profiles/per-user/root/channels:/root/.nix-defexpr/channels"
];
};
}

31
flake.lock
View file

@ -3,27 +3,26 @@
"lowdown-src": {
"flake": false,
"locked": {
"lastModified": 1628247802,
"narHash": "sha256-4XSXGYvKqogR7bubyqYNwBHYCtrIn6XRGXj6+u+BXNs=",
"lastModified": 1633514407,
"narHash": "sha256-Dw32tiMjdK9t3ETl5fzGrutQTzh2rufgZV4A/BbxuD4=",
"owner": "kristapsdz",
"repo": "lowdown",
"rev": "b4483d0ef85990f54b864158ab786b4a5b3904fa",
"rev": "d2c2b44ff6c27b936ec27358a2653caaef8f73b8",
"type": "github"
},
"original": {
"owner": "kristapsdz",
"ref": "VERSION_0_8_6",
"repo": "lowdown",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1628689438,
"narHash": "sha256-YMINW6YmubHZVdliGsAJpnnMYXRrvppv59LgwtnyYhs=",
"lastModified": 1632864508,
"narHash": "sha256-d127FIvGR41XbVRDPVvozUPQ/uRHbHwvfyKHwEt5xFM=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "f6551e1efa261568c82b76c3a582b2c2ceb1f53f",
"rev": "82891b5e2c2359d7e58d08849e4c89511ab94234",
"type": "github"
},
"original": {
@ -32,10 +31,26 @@
"type": "indirect"
}
},
"nixpkgs-regression": {
"locked": {
"lastModified": 1643052045,
"narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
"type": "github"
},
"original": {
"id": "nixpkgs",
"rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
"type": "indirect"
}
},
"root": {
"inputs": {
"lowdown-src": "lowdown-src",
"nixpkgs": "nixpkgs"
"nixpkgs": "nixpkgs",
"nixpkgs-regression": "nixpkgs-regression"
}
}
},

544
flake.nix
View file

@ -2,9 +2,10 @@
description = "The purely functional package manager";
inputs.nixpkgs.url = "nixpkgs/nixos-21.05-small";
inputs.lowdown-src = { url = "github:kristapsdz/lowdown/VERSION_0_8_6"; flake = false; };
inputs.nixpkgs-regression.url = "nixpkgs/215d4d0fd80ca5163643b03a33fde804a29cc1e2";
inputs.lowdown-src = { url = "github:kristapsdz/lowdown"; flake = false; };
outputs = { self, nixpkgs, lowdown-src }:
outputs = { self, nixpkgs, nixpkgs-regression, lowdown-src }:
let
@ -22,15 +23,36 @@
crossSystems = [ "armv6l-linux" "armv7l-linux" ];
stdenvs = [ "gccStdenv" "clangStdenv" "clang11Stdenv" "stdenv" ];
forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
forAllSystemsAndStdenvs = f: forAllSystems (system:
nixpkgs.lib.listToAttrs
(map
(n:
nixpkgs.lib.nameValuePair "${n}Packages" (
f system n
)) stdenvs
)
);
forAllStdenvs = stdenvs: f: nixpkgs.lib.genAttrs stdenvs (stdenv: f stdenv);
# Memoize nixpkgs for different platforms for efficiency.
nixpkgsFor = forAllSystems (system:
import nixpkgs {
inherit system;
overlays = [ self.overlay ];
}
);
nixpkgsFor =
let stdenvsPackages = forAllSystemsAndStdenvs
(system: stdenv:
import nixpkgs {
inherit system;
overlays = [
(overlayFor (p: p.${stdenv}))
];
}
);
in
# Add the `stdenvPackages` at toplevel, both because these are the ones
# we want most of the time and for backwards compatibility
forAllSystems (system: stdenvsPackages.${system} // stdenvsPackages.${system}.stdenvPackages);
commonDeps = pkgs: with pkgs; rec {
# Use "busybox-sandbox-shell" if present,
@ -61,6 +83,7 @@
configureFlags =
lib.optionals stdenv.isLinux [
"--with-boost=${boost}/lib"
"--with-sandbox-shell=${sh}/bin/busybox"
"LDFLAGS=-fuse-ld=gold"
];
@ -70,15 +93,15 @@
[
buildPackages.bison
buildPackages.flex
(lib.getBin buildPackages.lowdown)
(lib.getBin buildPackages.lowdown-nix)
buildPackages.mdbook
buildPackages.autoconf-archive
buildPackages.autoreconfHook
buildPackages.pkgconfig
buildPackages.pkg-config
# Tests
buildPackages.git
buildPackages.mercurial
buildPackages.mercurial # FIXME: remove? only needed for tests
buildPackages.jq
]
++ lib.optionals stdenv.hostPlatform.isLinux [(buildPackages.util-linuxMinimal or buildPackages.utillinuxMinimal)];
@ -89,8 +112,8 @@
openssl sqlite
libarchive
boost
lowdown
gmock
lowdown-nix
gtest
]
++ lib.optionals stdenv.isLinux [libseccomp]
++ lib.optional (stdenv.isLinux || stdenv.isDarwin) libsodium
@ -110,6 +133,7 @@
./boehmgc-coroutine-sp-fallback.diff
];
}))
nlohmann_json
];
perlDeps =
@ -118,16 +142,15 @@
];
};
installScriptFor = systems:
with nixpkgsFor.x86_64-linux;
installScriptFor = systems:
with nixpkgsFor.x86_64-linux;
runCommand "installer-script"
{ buildInputs = [ nix ];
}
''
mkdir -p $out/nix-support
# Converts /nix/store/50p3qk8kka9dl6wyq40vydq945k0j3kv-nix-2.4pre20201102_550e11f/bin/nix
# To 50p3qk8kka9dl6wyq40vydq945k0j3kv/bin/nix
# Converts /nix/store/50p3qk8k...-nix-2.4pre20201102_550e11f/bin/nix to 50p3qk8k.../bin/nix.
tarballPath() {
# Remove the store prefix
local path=''${1#${builtins.storeDir}/}
@ -153,13 +176,15 @@
echo "file installer $out/install" >> $out/nix-support/hydra-build-products
'';
testNixVersions = pkgs: client: daemon: with commonDeps pkgs; pkgs.stdenv.mkDerivation {
testNixVersions = pkgs: client: daemon: with commonDeps pkgs; with pkgs.lib; pkgs.stdenv.mkDerivation {
NIX_DAEMON_PACKAGE = daemon;
NIX_CLIENT_PACKAGE = client;
# Must keep this name short as OSX has a rather strict limit on the
# socket path length, and this name appears in the path of the
# nix-daemon socket used in the tests
name = "nix-tests";
name =
"nix-tests"
+ optionalString
(versionAtLeast daemon.version "2.4pre20211005" &&
versionAtLeast client.version "2.4pre20211005")
"-${client.version}-against-${daemon.version}";
inherit version;
src = self;
@ -182,198 +207,209 @@
installCheckPhase = "make installcheck -j$NIX_BUILD_CORES -l$NIX_BUILD_CORES";
};
binaryTarball = buildPackages: nix: pkgs: let
inherit (pkgs) cacert;
installerClosureInfo = buildPackages.closureInfo { rootPaths = [ nix cacert ]; };
in
binaryTarball = buildPackages: nix: pkgs:
let
inherit (pkgs) cacert;
installerClosureInfo = buildPackages.closureInfo { rootPaths = [ nix cacert ]; };
in
buildPackages.runCommand "nix-binary-tarball-${version}"
{ #nativeBuildInputs = lib.optional (system != "aarch64-linux") shellcheck;
meta.description = "Distribution-independent Nix bootstrap binaries for ${pkgs.system}";
}
''
cp ${installerClosureInfo}/registration $TMPDIR/reginfo
cp ${./scripts/create-darwin-volume.sh} $TMPDIR/create-darwin-volume.sh
substitute ${./scripts/install-nix-from-closure.sh} $TMPDIR/install \
--subst-var-by nix ${nix} \
--subst-var-by cacert ${cacert}
buildPackages.runCommand "nix-binary-tarball-${version}"
{ #nativeBuildInputs = lib.optional (system != "aarch64-linux") shellcheck;
meta.description = "Distribution-independent Nix bootstrap binaries for ${pkgs.system}";
}
''
cp ${installerClosureInfo}/registration $TMPDIR/reginfo
cp ${./scripts/create-darwin-volume.sh} $TMPDIR/create-darwin-volume.sh
substitute ${./scripts/install-nix-from-closure.sh} $TMPDIR/install \
--subst-var-by nix ${nix} \
--subst-var-by cacert ${cacert}
substitute ${./scripts/install-darwin-multi-user.sh} $TMPDIR/install-darwin-multi-user.sh \
--subst-var-by nix ${nix} \
--subst-var-by cacert ${cacert}
substitute ${./scripts/install-systemd-multi-user.sh} $TMPDIR/install-systemd-multi-user.sh \
--subst-var-by nix ${nix} \
--subst-var-by cacert ${cacert}
substitute ${./scripts/install-multi-user.sh} $TMPDIR/install-multi-user \
--subst-var-by nix ${nix} \
--subst-var-by cacert ${cacert}
substitute ${./scripts/install-darwin-multi-user.sh} $TMPDIR/install-darwin-multi-user.sh \
--subst-var-by nix ${nix} \
--subst-var-by cacert ${cacert}
substitute ${./scripts/install-systemd-multi-user.sh} $TMPDIR/install-systemd-multi-user.sh \
--subst-var-by nix ${nix} \
--subst-var-by cacert ${cacert}
substitute ${./scripts/install-multi-user.sh} $TMPDIR/install-multi-user \
--subst-var-by nix ${nix} \
--subst-var-by cacert ${cacert}
if type -p shellcheck; then
# SC1090: Don't worry about not being able to find
# $nix/etc/profile.d/nix.sh
shellcheck --exclude SC1090 $TMPDIR/install
shellcheck $TMPDIR/create-darwin-volume.sh
shellcheck $TMPDIR/install-darwin-multi-user.sh
shellcheck $TMPDIR/install-systemd-multi-user.sh
if type -p shellcheck; then
# SC1090: Don't worry about not being able to find
# $nix/etc/profile.d/nix.sh
shellcheck --exclude SC1090 $TMPDIR/install
shellcheck $TMPDIR/create-darwin-volume.sh
shellcheck $TMPDIR/install-darwin-multi-user.sh
shellcheck $TMPDIR/install-systemd-multi-user.sh
# SC1091: Don't panic about not being able to source
# /etc/profile
# SC2002: Ignore "useless cat" "error", when loading
# .reginfo, as the cat is a much cleaner
# implementation, even though it is "useless"
# SC2116: Allow ROOT_HOME=$(echo ~root) for resolving
# root's home directory
shellcheck --external-sources \
--exclude SC1091,SC2002,SC2116 $TMPDIR/install-multi-user
fi
# SC1091: Don't panic about not being able to source
# /etc/profile
# SC2002: Ignore "useless cat" "error", when loading
# .reginfo, as the cat is a much cleaner
# implementation, even though it is "useless"
# SC2116: Allow ROOT_HOME=$(echo ~root) for resolving
# root's home directory
shellcheck --external-sources \
--exclude SC1091,SC2002,SC2116 $TMPDIR/install-multi-user
fi
chmod +x $TMPDIR/install
chmod +x $TMPDIR/create-darwin-volume.sh
chmod +x $TMPDIR/install-darwin-multi-user.sh
chmod +x $TMPDIR/install-systemd-multi-user.sh
chmod +x $TMPDIR/install-multi-user
dir=nix-${version}-${pkgs.system}
fn=$out/$dir.tar.xz
mkdir -p $out/nix-support
echo "file binary-dist $fn" >> $out/nix-support/hydra-build-products
tar cvfJ $fn \
--owner=0 --group=0 --mode=u+rw,uga+r \
--absolute-names \
--hard-dereference \
--transform "s,$TMPDIR/install,$dir/install," \
--transform "s,$TMPDIR/create-darwin-volume.sh,$dir/create-darwin-volume.sh," \
--transform "s,$TMPDIR/reginfo,$dir/.reginfo," \
--transform "s,$NIX_STORE,$dir/store,S" \
$TMPDIR/install \
$TMPDIR/create-darwin-volume.sh \
$TMPDIR/install-darwin-multi-user.sh \
$TMPDIR/install-systemd-multi-user.sh \
$TMPDIR/install-multi-user \
$TMPDIR/reginfo \
$(cat ${installerClosureInfo}/store-paths)
'';
chmod +x $TMPDIR/install
chmod +x $TMPDIR/create-darwin-volume.sh
chmod +x $TMPDIR/install-darwin-multi-user.sh
chmod +x $TMPDIR/install-systemd-multi-user.sh
chmod +x $TMPDIR/install-multi-user
dir=nix-${version}-${pkgs.system}
fn=$out/$dir.tar.xz
mkdir -p $out/nix-support
echo "file binary-dist $fn" >> $out/nix-support/hydra-build-products
tar cvfJ $fn \
--owner=0 --group=0 --mode=u+rw,uga+r \
--absolute-names \
--hard-dereference \
--transform "s,$TMPDIR/install,$dir/install," \
--transform "s,$TMPDIR/create-darwin-volume.sh,$dir/create-darwin-volume.sh," \
--transform "s,$TMPDIR/reginfo,$dir/.reginfo," \
--transform "s,$NIX_STORE,$dir/store,S" \
$TMPDIR/install \
$TMPDIR/create-darwin-volume.sh \
$TMPDIR/install-darwin-multi-user.sh \
$TMPDIR/install-systemd-multi-user.sh \
$TMPDIR/install-multi-user \
$TMPDIR/reginfo \
$(cat ${installerClosureInfo}/store-paths)
'';
overlayFor = getStdenv: final: prev:
let currentStdenv = getStdenv final; in
{
nixStable = prev.nix;
# Forward from the previous stage as we don’t want it to pick the lowdown override
nixUnstable = prev.nixUnstable;
nix = with final; with commonDeps pkgs; currentStdenv.mkDerivation {
name = "nix-${version}";
inherit version;
src = self;
VERSION_SUFFIX = versionSuffix;
outputs = [ "out" "dev" "doc" ];
nativeBuildInputs = nativeBuildDeps;
buildInputs = buildDeps ++ awsDeps;
propagatedBuildInputs = propagatedDeps;
disallowedReferences = [ boost ];
preConfigure =
''
# Copy libboost_context so we don't get all of Boost in our closure.
# https://github.com/NixOS/nixpkgs/issues/45462
mkdir -p $out/lib
cp -pd ${boost}/lib/{libboost_context*,libboost_thread*,libboost_system*} $out/lib
rm -f $out/lib/*.a
${lib.optionalString currentStdenv.isLinux ''
chmod u+w $out/lib/*.so.*
patchelf --set-rpath $out/lib:${currentStdenv.cc.cc.lib}/lib $out/lib/libboost_thread.so.*
''}
${lib.optionalString currentStdenv.isDarwin ''
for LIB in $out/lib/*.dylib; do
chmod u+w $LIB
install_name_tool -id $LIB $LIB
done
install_name_tool -change ${boost}/lib/libboost_system.dylib $out/lib/libboost_system.dylib $out/lib/libboost_thread.dylib
''}
'';
configureFlags = configureFlags ++
[ "--sysconfdir=/etc" ];
enableParallelBuilding = true;
makeFlags = "profiledir=$(out)/etc/profile.d PRECOMPILE_HEADERS=1";
doCheck = true;
installFlags = "sysconfdir=$(out)/etc";
postInstall = ''
mkdir -p $doc/nix-support
echo "doc manual $doc/share/doc/nix/manual" >> $doc/nix-support/hydra-build-products
${lib.optionalString currentStdenv.isDarwin ''
install_name_tool \
-change ${boost}/lib/libboost_context.dylib \
$out/lib/libboost_context.dylib \
$out/lib/libnixutil.dylib
''}
'';
doInstallCheck = true;
installCheckFlags = "sysconfdir=$(out)/etc";
separateDebugInfo = true;
strictDeps = true;
passthru.perl-bindings = with final; currentStdenv.mkDerivation {
name = "nix-perl-${version}";
src = self;
nativeBuildInputs =
[ buildPackages.autoconf-archive
buildPackages.autoreconfHook
buildPackages.pkg-config
];
buildInputs =
[ nix
curl
bzip2
xz
pkgs.perl
boost
]
++ lib.optional (currentStdenv.isLinux || currentStdenv.isDarwin) libsodium
++ lib.optional currentStdenv.isDarwin darwin.apple_sdk.frameworks.Security;
configureFlags = ''
--with-dbi=${perlPackages.DBI}/${pkgs.perl.libPrefix}
--with-dbd-sqlite=${perlPackages.DBDSQLite}/${pkgs.perl.libPrefix}
'';
enableParallelBuilding = true;
postUnpack = "sourceRoot=$sourceRoot/perl";
};
};
lowdown-nix = with final; currentStdenv.mkDerivation rec {
name = "lowdown-0.9.0";
src = lowdown-src;
outputs = [ "out" "bin" "dev" ];
nativeBuildInputs = [ buildPackages.which ];
configurePhase = ''
${if (currentStdenv.isDarwin && currentStdenv.isAarch64) then "echo \"HAVE_SANDBOX_INIT=false\" > configure.local" else ""}
./configure \
PREFIX=${placeholder "dev"} \
BINDIR=${placeholder "bin"}/bin
'';
};
};
in {
# A Nixpkgs overlay that overrides the 'nix' and
# 'nix.perl-bindings' packages.
overlay = final: prev: {
# An older version of Nix to test against when using the daemon.
# Currently using `nixUnstable` as the stable one doesn't respect
# `NIX_DAEMON_SOCKET_PATH` which is needed for the tests.
nixStable = prev.nix;
nix = with final; with commonDeps pkgs; stdenv.mkDerivation {
name = "nix-${version}";
inherit version;
src = self;
VERSION_SUFFIX = versionSuffix;
outputs = [ "out" "dev" "doc" ];
nativeBuildInputs = nativeBuildDeps;
buildInputs = buildDeps ++ awsDeps;
propagatedBuildInputs = propagatedDeps;
preConfigure =
''
# Copy libboost_context so we don't get all of Boost in our closure.
# https://github.com/NixOS/nixpkgs/issues/45462
mkdir -p $out/lib
cp -pd ${boost}/lib/{libboost_context*,libboost_thread*,libboost_system*} $out/lib
rm -f $out/lib/*.a
${lib.optionalString stdenv.isLinux ''
chmod u+w $out/lib/*.so.*
patchelf --set-rpath $out/lib:${stdenv.cc.cc.lib}/lib $out/lib/libboost_thread.so.*
''}
'';
configureFlags = configureFlags ++
[ "--sysconfdir=/etc" ];
enableParallelBuilding = true;
makeFlags = "profiledir=$(out)/etc/profile.d PRECOMPILE_HEADERS=1";
doCheck = true;
installFlags = "sysconfdir=$(out)/etc";
postInstall = ''
mkdir -p $doc/nix-support
echo "doc manual $doc/share/doc/nix/manual" >> $doc/nix-support/hydra-build-products
'';
doInstallCheck = true;
installCheckFlags = "sysconfdir=$(out)/etc";
separateDebugInfo = true;
strictDeps = true;
passthru.perl-bindings = with final; stdenv.mkDerivation {
name = "nix-perl-${version}";
src = self;
nativeBuildInputs =
[ buildPackages.autoconf-archive
buildPackages.autoreconfHook
buildPackages.pkgconfig
];
buildInputs =
[ nix
curl
bzip2
xz
pkgs.perl
boost
]
++ lib.optional (stdenv.isLinux || stdenv.isDarwin) libsodium
++ lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Security;
configureFlags = ''
--with-dbi=${perlPackages.DBI}/${pkgs.perl.libPrefix}
--with-dbd-sqlite=${perlPackages.DBDSQLite}/${pkgs.perl.libPrefix}
'';
enableParallelBuilding = true;
postUnpack = "sourceRoot=$sourceRoot/perl";
};
};
lowdown = with final; stdenv.mkDerivation rec {
name = "lowdown-0.8.6";
/*
src = fetchurl {
url = "https://kristaps.bsd.lv/lowdown/snapshots/${name}.tar.gz";
hash = "sha512-U9WeGoInT9vrawwa57t6u9dEdRge4/P+0wLxmQyOL9nhzOEUU2FRz2Be9H0dCjYE7p2v3vCXIYk40M+jjULATw==";
};
*/
src = lowdown-src;
outputs = [ "out" "bin" "dev" ];
nativeBuildInputs = [ buildPackages.which ];
configurePhase = ''
${if (stdenv.isDarwin && stdenv.isAarch64) then "echo \"HAVE_SANDBOX_INIT=false\" > configure.local" else ""}
./configure \
PREFIX=${placeholder "dev"} \
BINDIR=${placeholder "bin"}/bin
'';
};
};
overlay = overlayFor (p: p.stdenv);
hydraJobs = {
@ -410,6 +446,9 @@
installerScript = installScriptFor [ "x86_64-linux" "i686-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" "armv6l-linux" "armv7l-linux" ];
installerScriptForGHA = installScriptFor [ "x86_64-linux" "x86_64-darwin" "armv6l-linux" "armv7l-linux"];
# docker image with Nix inside
dockerImage = nixpkgs.lib.genAttrs linux64BitSystems (system: self.packages.${system}.dockerImage);
# Line coverage analysis.
coverage =
with nixpkgsFor.x86_64-linux;
@ -450,12 +489,24 @@
inherit (self) overlay;
};
tests.nssPreload = (import ./tests/nss-preload.nix rec {
system = "x86_64-linux";
inherit nixpkgs;
inherit (self) overlay;
});
tests.githubFlakes = (import ./tests/github-flakes.nix rec {
system = "x86_64-linux";
inherit nixpkgs;
inherit (self) overlay;
});
tests.sourcehutFlakes = (import ./tests/sourcehut-flakes.nix rec {
system = "x86_64-linux";
inherit nixpkgs;
inherit (self) overlay;
});
tests.setuid = nixpkgs.lib.genAttrs
["i686-linux" "x86_64-linux"]
(system:
@ -464,44 +515,46 @@
inherit (self) overlay;
});
/*
# Check whether we can still evaluate all of Nixpkgs.
# Make sure that nix-env still produces the exact same result
# on a particular version of Nixpkgs.
tests.evalNixpkgs =
import (nixpkgs + "/pkgs/top-level/make-tarball.nix") {
# FIXME: fix pkgs/top-level/make-tarball.nix in NixOS to not require a revCount.
inherit nixpkgs;
pkgs = nixpkgsFor.x86_64-linux;
officialRelease = false;
};
# Check whether we can still evaluate NixOS.
tests.evalNixOS =
with nixpkgsFor.x86_64-linux;
runCommand "eval-nixos" { buildInputs = [ nix ]; }
''
export NIX_STATE_DIR=$TMPDIR
nix-instantiate ${nixpkgs}/nixos/release-combined.nix -A tested --dry-run \
--arg nixpkgs '{ outPath = ${nixpkgs}; revCount = 123; shortRev = "abcdefgh"; }'
touch $out
type -p nix-env
# Note: we're filtering out nixos-install-tools because https://github.com/NixOS/nixpkgs/pull/153594#issuecomment-1020530593.
time nix-env --store dummy:// -f ${nixpkgs-regression} -qaP --drv-path | sort | grep -v nixos-install-tools > packages
[[ $(sha1sum < packages | cut -c1-40) = ff451c521e61e4fe72bdbe2d0ca5d1809affa733 ]]
mkdir $out
'';
*/
metrics.nixpkgs = import "${nixpkgs-regression}/pkgs/top-level/metrics.nix" {
pkgs = nixpkgsFor.x86_64-linux;
nixpkgs = nixpkgs-regression;
};
installTests = forAllSystems (system:
let pkgs = nixpkgsFor.${system}; in
pkgs.runCommand "install-tests" {
againstSelf = testNixVersions pkgs pkgs.nix pkgs.pkgs.nix;
againstCurrentUnstable =
# FIXME: temporarily disable this on macOS because of #3605.
if system == "x86_64-linux"
then testNixVersions pkgs pkgs.nix pkgs.nixUnstable
else null;
# Disabled because the latest stable version doesn't handle
# `NIX_DAEMON_SOCKET_PATH` which is required for the tests to work
# againstLatestStable = testNixVersions pkgs pkgs.nix pkgs.nixStable;
} "touch $out");
};
checks = forAllSystems (system: {
binaryTarball = self.hydraJobs.binaryTarball.${system};
perlBindings = self.hydraJobs.perlBindings.${system};
installTests =
let pkgs = nixpkgsFor.${system}; in
pkgs.runCommand "install-tests" {
againstSelf = testNixVersions pkgs pkgs.nix pkgs.pkgs.nix;
againstCurrentUnstable = testNixVersions pkgs pkgs.nix pkgs.nixUnstable;
# Disabled because the latest stable version doesn't handle
# `NIX_DAEMON_SOCKET_PATH` which is required for the tests to work
# againstLatestStable = testNixVersions pkgs pkgs.nix pkgs.nixStable;
} "touch $out";
installTests = self.hydraJobs.installTests.${system};
} // (nixpkgs.lib.optionalAttrs (builtins.elem system linux64BitSystems)) {
dockerImage = self.hydraJobs.dockerImage.${system};
});
packages = forAllSystems (system: {
@ -547,6 +600,20 @@
hardeningDisable = [ "pie" ];
};
dockerImage =
let
pkgs = nixpkgsFor.${system};
image = import ./docker.nix { inherit pkgs; tag = version; };
in
pkgs.runCommand
"docker-image-tarball-${version}"
{ meta.description = "Docker image with Nix for ${system}"; }
''
mkdir -p $out/nix-support
image=$out/image.tar.gz
ln -s ${image} $image
echo "file binary-dist $image" >> $out/nix-support/hydra-build-products
'';
} // builtins.listToAttrs (map (crossSystem: {
name = "nix-${crossSystem}";
value = let
@ -586,15 +653,21 @@
doInstallCheck = true;
installCheckFlags = "sysconfdir=$(out)/etc";
};
}) crossSystems)));
}) crossSystems)) // (builtins.listToAttrs (map (stdenvName:
nixpkgsFor.${system}.lib.nameValuePair
"nix-${stdenvName}"
nixpkgsFor.${system}."${stdenvName}Packages".nix
) stdenvs)));
defaultPackage = forAllSystems (system: self.packages.${system}.nix);
devShell = forAllSystems (system:
devShell = forAllSystems (system: self.devShells.${system}.stdenvPackages);
devShells = forAllSystemsAndStdenvs (system: stdenv:
with nixpkgsFor.${system};
with commonDeps pkgs;
stdenv.mkDerivation {
nixpkgsFor.${system}.${stdenv}.mkDerivation {
name = "nix";
outputs = [ "out" "dev" "doc" ];
@ -613,6 +686,9 @@
PATH=$prefix/bin:$PATH
unset PYTHONPATH
export MANPATH=$out/share/man:$MANPATH
# Make bash completion work.
XDG_DATA_DIRS+=:$out/share
'';
});

136
maintainers/upload-release.pl
View file

@ -19,6 +19,8 @@ my $nixpkgsDir = "/home/eelco/Dev/nixpkgs-pristine";
my $TMPDIR = $ENV{'TMPDIR'} // "/tmp";
my $isLatest = ($ENV{'IS_LATEST'} // "") eq "1";
# FIXME: cut&paste from nixos-channel-scripts.
sub fetch {
my ($url, $type) = @_;
@ -35,22 +37,29 @@ sub fetch {
my $evalUrl = "https://hydra.nixos.org/eval/$evalId";
my $evalInfo = decode_json(fetch($evalUrl, 'application/json'));
#print Dumper($evalInfo);
my $flakeUrl = $evalInfo->{flake} or die;
my $flakeInfo = decode_json(`nix flake metadata --json "$flakeUrl"` or die);
my $nixRev = $flakeInfo->{revision} or die;
my $nixRev = $evalInfo->{jobsetevalinputs}->{nix}->{revision} or die;
my $buildInfo = decode_json(fetch("$evalUrl/job/build.x86_64-linux", 'application/json'));
#print Dumper($buildInfo);
my $tarballInfo = decode_json(fetch("$evalUrl/job/tarball", 'application/json'));
my $releaseName = $tarballInfo->{releasename};
my $releaseName = $buildInfo->{nixname};
$releaseName =~ /nix-(.*)$/ or die;
my $version = $1;
print STDERR "Nix revision is $nixRev, version is $version\n";
print STDERR "Flake URL is $flakeUrl, Nix revision is $nixRev, version is $version\n";
my $releaseDir = "nix/$releaseName";
my $tmpDir = "$TMPDIR/nix-release/$releaseName";
File::Path::make_path($tmpDir);
my $narCache = "$TMPDIR/nar-cache";
File::Path::make_path($narCache);
my $binaryCache = "https://cache.nixos.org/?local-nar-cache=$narCache";
# S3 setup.
my $aws_access_key_id = $ENV{'AWS_ACCESS_KEY_ID'} or die "No AWS_ACCESS_KEY_ID given.";
my $aws_secret_access_key = $ENV{'AWS_SECRET_ACCESS_KEY'} or die "No AWS_SECRET_ACCESS_KEY given.";
@ -76,6 +85,7 @@ sub downloadFile {
my ($jobName, $productNr, $dstName) = @_;
my $buildInfo = decode_json(fetch("$evalUrl/job/$jobName", 'application/json'));
#print STDERR "$jobName: ", Dumper($buildInfo), "\n";
my $srcFile = $buildInfo->{buildproducts}->{$productNr}->{path} or die "job '$jobName' lacks product $productNr\n";
$dstName //= basename($srcFile);
@ -83,19 +93,27 @@ sub downloadFile {
if (!-e $tmpFile) {
print STDERR "downloading $srcFile to $tmpFile...\n";
system("NIX_REMOTE=https://cache.nixos.org/ nix store cat '$srcFile' > '$tmpFile'") == 0
my $fileInfo = decode_json(`NIX_REMOTE=$binaryCache nix store ls --json '$srcFile'`);
$srcFile = $fileInfo->{target} if $fileInfo->{type} eq 'symlink';
#print STDERR $srcFile, " ", Dumper($fileInfo), "\n";
system("NIX_REMOTE=$binaryCache nix store cat '$srcFile' > '$tmpFile'.tmp") == 0
or die "unable to fetch $srcFile\n";
rename("$tmpFile.tmp", $tmpFile) or die;
}
my $sha256_expected = $buildInfo->{buildproducts}->{$productNr}->{sha256hash} or die;
my $sha256_expected = $buildInfo->{buildproducts}->{$productNr}->{sha256hash};
my $sha256_actual = `nix hash file --base16 --type sha256 '$tmpFile'`;
chomp $sha256_actual;
if ($sha256_expected ne $sha256_actual) {
if (defined($sha256_expected) && $sha256_expected ne $sha256_actual) {
print STDERR "file $tmpFile is corrupt, got $sha256_actual, expected $sha256_expected\n";
exit 1;
}
write_file("$tmpFile.sha256", $sha256_expected);
write_file("$tmpFile.sha256", $sha256_actual);
if (! -e "$tmpFile.asc") {
system("gpg2 --detach-sign --armor $tmpFile") == 0 or die "unable to sign $tmpFile\n";
@ -104,8 +122,6 @@ sub downloadFile {
return $sha256_expected;
}
downloadFile("tarball", "2"); # .tar.bz2
my $tarballHash = downloadFile("tarball", "3"); # .tar.xz
downloadFile("binaryTarball.i686-linux", "1");
downloadFile("binaryTarball.x86_64-linux", "1");
downloadFile("binaryTarball.aarch64-linux", "1");
@ -115,6 +131,60 @@ downloadFile("binaryTarballCross.x86_64-linux.armv6l-linux", "1");
downloadFile("binaryTarballCross.x86_64-linux.armv7l-linux", "1");
downloadFile("installerScript", "1");
# Upload docker images to dockerhub.
my $dockerManifest = "";
my $dockerManifestLatest = "";
for my $platforms (["x86_64-linux", "amd64"], ["aarch64-linux", "arm64"]) {
my $system = $platforms->[0];
my $dockerPlatform = $platforms->[1];
my $fn = "nix-$version-docker-image-$dockerPlatform.tar.gz";
downloadFile("dockerImage.$system", "1", $fn);
print STDERR "loading docker image for $dockerPlatform...\n";
system("docker load -i $tmpDir/$fn") == 0 or die;
my $tag = "nixos/nix:$version-$dockerPlatform";
my $latestTag = "nixos/nix:latest-$dockerPlatform";
print STDERR "tagging $version docker image for $dockerPlatform...\n";
system("docker tag nix:$version $tag") == 0 or die;
if ($isLatest) {
print STDERR "tagging latest docker image for $dockerPlatform...\n";
system("docker tag nix:$version $latestTag") == 0 or die;
}
print STDERR "pushing $version docker image for $dockerPlatform...\n";
system("docker push -q $tag") == 0 or die;
if ($isLatest) {
print STDERR "pushing latest docker image for $dockerPlatform...\n";
system("docker push -q $latestTag") == 0 or die;
}
$dockerManifest .= " --amend $tag";
$dockerManifestLatest .= " --amend $latestTag"
}
print STDERR "creating multi-platform docker manifest...\n";
system("docker manifest rm nixos/nix:$version");
system("docker manifest create nixos/nix:$version $dockerManifest") == 0 or die;
if ($isLatest) {
print STDERR "creating latest multi-platform docker manifest...\n";
system("docker manifest rm nixos/nix:latest");
system("docker manifest create nixos/nix:latest $dockerManifestLatest") == 0 or die;
}
print STDERR "pushing multi-platform docker manifest...\n";
system("docker manifest push nixos/nix:$version") == 0 or die;
if ($isLatest) {
print STDERR "pushing latest multi-platform docker manifest...\n";
system("docker manifest push nixos/nix:latest") == 0 or die;
}
# Upload release files to S3.
for my $fn (glob "$tmpDir/*") {
my $name = basename($fn);
my $dstKey = "$releaseDir/" . $name;
@ -134,42 +204,38 @@ for my $fn (glob "$tmpDir/*") {
}
}
exit if $version =~ /pre/;
# Update nix-fallback-paths.nix.
system("cd $nixpkgsDir && git pull") == 0 or die;
if ($isLatest) {
system("cd $nixpkgsDir && git pull") == 0 or die;
sub getStorePath {
my ($jobName) = @_;
my $buildInfo = decode_json(fetch("$evalUrl/job/$jobName", 'application/json'));
for my $product (values %{$buildInfo->{buildproducts}}) {
next unless $product->{type} eq "nix-build";
next if $product->{path} =~ /[a-z]+$/;
return $product->{path};
sub getStorePath {
my ($jobName) = @_;
my $buildInfo = decode_json(fetch("$evalUrl/job/$jobName", 'application/json'));
return $buildInfo->{buildoutputs}->{out}->{path} or die "cannot get store path for '$jobName'";
}
die;
write_file("$nixpkgsDir/nixos/modules/installer/tools/nix-fallback-paths.nix",
"{\n" .
" x86_64-linux = \"" . getStorePath("build.x86_64-linux") . "\";\n" .
" i686-linux = \"" . getStorePath("build.i686-linux") . "\";\n" .
" aarch64-linux = \"" . getStorePath("build.aarch64-linux") . "\";\n" .
" x86_64-darwin = \"" . getStorePath("build.x86_64-darwin") . "\";\n" .
" aarch64-darwin = \"" . getStorePath("build.aarch64-darwin") . "\";\n" .
"}\n");
system("cd $nixpkgsDir && git commit -a -m 'nix-fallback-paths.nix: Update to $version'") == 0 or die;
}
write_file("$nixpkgsDir/nixos/modules/installer/tools/nix-fallback-paths.nix",
"{\n" .
" x86_64-linux = \"" . getStorePath("build.x86_64-linux") . "\";\n" .
" i686-linux = \"" . getStorePath("build.i686-linux") . "\";\n" .
" aarch64-linux = \"" . getStorePath("build.aarch64-linux") . "\";\n" .
" x86_64-darwin = \"" . getStorePath("build.x86_64-darwin") . "\";\n" .
" aarch64-darwin = \"" . getStorePath("build.aarch64-darwin") . "\";\n" .
"}\n");
system("cd $nixpkgsDir && git commit -a -m 'nix-fallback-paths.nix: Update to $version'") == 0 or die;
# Update the "latest" symlink.
$channelsBucket->add_key(
"nix-latest/install", "",
{ "x-amz-website-redirect-location" => "https://releases.nixos.org/$releaseDir/install" })
or die $channelsBucket->err . ": " . $channelsBucket->errstr;
or die $channelsBucket->err . ": " . $channelsBucket->errstr
if $isLatest;
# Tag the release in Git.
chdir("/home/eelco/Dev/nix-pristine") or die;
system("git remote update origin") == 0 or die;
system("git tag --force --sign $version $nixRev -m 'Tagging release $version'") == 0 or die;
system("git push --tags") == 0 or die;
system("git push --force-with-lease origin $nixRev:refs/heads/latest-release") == 0 or die;
system("git push --force-with-lease origin $nixRev:refs/heads/latest-release") == 0 or die if $isLatest;

6
misc/bash/completion.sh
View file

@ -7,13 +7,15 @@ function _complete_nix {
local completion=${line%% *}
if [[ -z $have_type ]]; then
have_type=1
if [[ $completion = filenames ]]; then
if [[ $completion == filenames ]]; then
compopt -o filenames
elif [[ $completion == attrs ]]; then
compopt -o nospace
fi
else
COMPREPLY+=("$completion")
fi
done < <(NIX_GET_COMPLETIONS=$cword "${words[@]}")
done < <(NIX_GET_COMPLETIONS=$cword "${words[@]/#\~/$HOME}" 2>/dev/null)
__ltrim_colon_completions "$cur"
}

1
misc/fish/completion.fish
View file

@ -19,7 +19,6 @@ end
function _nix_accepts_files
set -l response (_nix_complete)
# First line is either filenames or no-filenames.
test $response[1] = 'filenames'
end

5
misc/launchd/org.nixos.nix-daemon.plist.in
View file

@ -25,5 +25,10 @@
<string>/var/log/nix-daemon.log</string>
<key>StandardOutPath</key>
<string>/dev/null</string>
<key>SoftResourceLimits</key>
<dict>
<key>NumberOfFiles</key>
<integer>4096</integer>
</dict>
</dict>
</plist>

2
misc/zsh/completion.zsh
View file

@ -4,7 +4,7 @@ function _nix() {
local ifs_bk="$IFS"
local input=("${(Q)words[@]}")
IFS=$'\n'
local res=($(NIX_GET_COMPLETIONS=$((CURRENT - 1)) "$input[@]"))
local res=($(NIX_GET_COMPLETIONS=$((CURRENT - 1)) "$input[@]" 2>/dev/null))
IFS="$ifs_bk"
local tpe="${${res[1]}%%> *}"
local -a suggestions

8
mk/libraries.mk
View file

@ -91,7 +91,7 @@ define build-library
$(1)_PATH := $$(_d)/$$($(1)_NAME).$(SO_EXT)
$$($(1)_PATH): $$($(1)_OBJS) $$(_libs) | $$(_d)/
$$(trace-ld) $(CXX) -o $$(abspath $$@) -shared $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE)) $$($(1)_LDFLAGS_UNINSTALLED) $$(LDFLAGS) $$(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$($(1)_LDFLAGS_PROPAGATED)
$$(trace-ld) $(CXX) -o $$(abspath $$@) -shared $$(LDFLAGS) $$(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$($(1)_LDFLAGS_PROPAGATED) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE)) $$($(1)_LDFLAGS_UNINSTALLED)
ifndef HOST_DARWIN
$(1)_LDFLAGS_USE += -Wl,-rpath,$$(abspath $$(_d))
@ -105,7 +105,7 @@ define build-library
$$(eval $$(call create-dir, $$($(1)_INSTALL_DIR)))
$$($(1)_INSTALL_PATH): $$($(1)_OBJS) $$(_libs_final) | $(DESTDIR)$$($(1)_INSTALL_DIR)/
$$(trace-ld) $(CXX) -o $$@ -shared $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED)) $$(LDFLAGS) $$(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$($(1)_LDFLAGS_PROPAGATED)
$$(trace-ld) $(CXX) -o $$@ -shared $$(LDFLAGS) $$(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$($(1)_LDFLAGS_PROPAGATED) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED))
$(1)_LDFLAGS_USE_INSTALLED += -L$$(DESTDIR)$$($(1)_INSTALL_DIR) -l$$(patsubst lib%,%,$$(strip $$($(1)_NAME)))
ifndef HOST_DARWIN
@ -125,8 +125,8 @@ define build-library
$(1)_PATH := $$(_d)/$$($(1)_NAME).a
$$($(1)_PATH): $$($(1)_OBJS) | $$(_d)/
$(trace-ld) $(LD) -Ur -o $$(_d)/$$($(1)_NAME).o $$?
$(trace-ar) $(AR) crs $$@ $$(_d)/$$($(1)_NAME).o
$$(trace-ld) $(LD) -Ur -o $$(_d)/$$($(1)_NAME).o $$?
$$(trace-ar) $(AR) crs $$@ $$(_d)/$$($(1)_NAME).o
$(1)_LDFLAGS_USE += $$($(1)_PATH) $$($(1)_LDFLAGS)

4
mk/programs.mk
View file

@ -32,7 +32,7 @@ define build-program
$$(eval $$(call create-dir, $$(_d)))
$$($(1)_PATH): $$($(1)_OBJS) $$(_libs) | $$(_d)/
$$(trace-ld) $(CXX) -o $$@ $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE)) $$(LDFLAGS) $$(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS)
$$(trace-ld) $(CXX) -o $$@ $$(LDFLAGS) $$(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE))
$(1)_INSTALL_DIR ?= $$(bindir)
@ -49,7 +49,7 @@ define build-program
_libs_final := $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_INSTALL_PATH))
$(DESTDIR)$$($(1)_INSTALL_PATH): $$($(1)_OBJS) $$(_libs_final) | $(DESTDIR)$$($(1)_INSTALL_DIR)/
$$(trace-ld) $(CXX) -o $$@ $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED)) $$(LDFLAGS) $$(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS)
$$(trace-ld) $(CXX) -o $$@ $$(LDFLAGS) $$(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED))
else

4
mk/tests.mk
View file

@ -13,3 +13,7 @@ define run-install-test
endef
.PHONY: check installcheck
print-top-help += \
echo " check: Run unit tests"; \
echo " installcheck: Run functional tests";

399
nix-rust/Cargo.lock generated
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"checksum tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
"checksum wait-timeout 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9f200f5b12eb75f8c1ed65abd4b2db8a6e1b138a20de009dacee265a2498f3f6"
"checksum wasi 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b89c3ce4ce14bdc6fb6beaf9ec7928ca331de5df7e5ea278375642a2f478570d"
"checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

23
nix-rust/Cargo.toml
View file

@ -1,23 +0,0 @@
[package]
name = "nix-rust"
version = "0.1.0"
authors = ["Eelco Dolstra <edolstra@gmail.com>"]
edition = "2018"
[lib]
name = "nixrust"
crate-type = ["cdylib"]
[dependencies]
libc = "0.2"
#futures-preview = { version = "=0.3.0-alpha.19" }
#hyper = "0.13.0-alpha.4"
#http = "0.1"
#tokio = { version = "0.2.0-alpha.6", default-features = false, features = ["rt-full"] }
lazy_static = "1.4"
#byteorder = "1.3"
[dev-dependencies]
hex = "0.3"
assert_matches = "1.3"
proptest = "0.9"

48
nix-rust/local.mk
View file

@ -1,48 +0,0 @@
ifeq ($(OPTIMIZE), 1)
RUST_MODE = --release
RUST_DIR = release
else
RUST_MODE =
RUST_DIR = debug
endif
libnixrust_PATH := $(d)/target/$(RUST_DIR)/libnixrust.$(SO_EXT)
libnixrust_INSTALL_PATH := $(libdir)/libnixrust.$(SO_EXT)
libnixrust_LDFLAGS_USE := -L$(d)/target/$(RUST_DIR) -lnixrust
libnixrust_LDFLAGS_USE_INSTALLED := -L$(libdir) -lnixrust
ifdef HOST_LINUX
libnixrust_LDFLAGS_USE += -ldl
libnixrust_LDFLAGS_USE_INSTALLED += -ldl
endif
ifdef HOST_DARWIN
libnixrust_BUILD_FLAGS = NIX_LDFLAGS="-undefined dynamic_lookup"
else
libnixrust_LDFLAGS_USE += -Wl,-rpath,$(abspath $(d)/target/$(RUST_DIR))
libnixrust_LDFLAGS_USE_INSTALLED += -Wl,-rpath,$(libdir)
endif
$(libnixrust_PATH): $(call rwildcard, $(d)/src, *.rs) $(d)/Cargo.toml
$(trace-gen) cd nix-rust && CARGO_HOME=$$(if [[ -d vendor ]]; then echo vendor; fi) \
$(libnixrust_BUILD_FLAGS) \
cargo build $(RUST_MODE) $$(if [[ -d vendor ]]; then echo --offline; fi) \
&& touch target/$(RUST_DIR)/libnixrust.$(SO_EXT)
$(libnixrust_INSTALL_PATH): $(libnixrust_PATH)
$(target-gen) cp $^ $@
ifdef HOST_DARWIN
install_name_tool -id $@ $@
endif
clean: clean-rust
clean-rust:
$(suppress) rm -rfv nix-rust/target
ifndef HOST_DARWIN
check: rust-tests
rust-tests:
$(trace-test) cd nix-rust && CARGO_HOME=$$(if [[ -d vendor ]]; then echo vendor; fi) cargo test --release $$(if [[ -d vendor ]]; then echo --offline; fi)
endif

77
nix-rust/src/c.rs
View file

@ -1,77 +0,0 @@
use super::{error, store::path, store::StorePath, util};
#[no_mangle]
pub unsafe extern "C" fn ffi_String_new(s: &str, out: *mut String) {
// FIXME: check whether 's' is valid UTF-8?
out.write(s.to_string())
}
#[no_mangle]
pub unsafe extern "C" fn ffi_String_drop(self_: *mut String) {
std::ptr::drop_in_place(self_);
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_new(
path: &str,
store_dir: &str,
) -> Result<StorePath, error::CppException> {
StorePath::new(std::path::Path::new(path), std::path::Path::new(store_dir))
.map_err(|err| err.into())
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_new2(
hash: &[u8; crate::store::path::STORE_PATH_HASH_BYTES],
name: &str,
) -> Result<StorePath, error::CppException> {
StorePath::from_parts(*hash, name).map_err(|err| err.into())
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_fromBaseName(
base_name: &str,
) -> Result<StorePath, error::CppException> {
StorePath::new_from_base_name(base_name).map_err(|err| err.into())
}
#[no_mangle]
pub unsafe extern "C" fn ffi_StorePath_drop(self_: *mut StorePath) {
std::ptr::drop_in_place(self_);
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_to_string(self_: &StorePath) -> Vec<u8> {
let mut buf = vec![0; path::STORE_PATH_HASH_CHARS + 1 + self_.name.name().len()];
util::base32::encode_into(self_.hash.hash(), &mut buf[0..path::STORE_PATH_HASH_CHARS]);
buf[path::STORE_PATH_HASH_CHARS] = b'-';
buf[path::STORE_PATH_HASH_CHARS + 1..].clone_from_slice(self_.name.name().as_bytes());
buf
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_less_than(a: &StorePath, b: &StorePath) -> bool {
a < b
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_eq(a: &StorePath, b: &StorePath) -> bool {
a == b
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_clone(self_: &StorePath) -> StorePath {
self_.clone()
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_name(self_: &StorePath) -> &str {
self_.name.name()
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_hash_data(
self_: &StorePath,
) -> &[u8; crate::store::path::STORE_PATH_HASH_BYTES] {
self_.hash.hash()
}

118
nix-rust/src/error.rs
View file

@ -1,118 +0,0 @@
use std::fmt;
#[derive(Debug)]
pub enum Error {
InvalidPath(crate::store::StorePath),
BadStorePath(std::path::PathBuf),
NotInStore(std::path::PathBuf),
BadNarInfo,
BadBase32,
StorePathNameEmpty,
StorePathNameTooLong,
BadStorePathName,
NarSizeFieldTooBig,
BadNarString,
BadNarPadding,
BadNarVersionMagic,
MissingNarOpenTag,
MissingNarCloseTag,
MissingNarField,
BadNarField(String),
BadExecutableField,
IOError(std::io::Error),
#[cfg(unused)]
HttpError(hyper::error::Error),
Misc(String),
#[cfg(not(test))]
Foreign(CppException),
BadTarFileMemberName(String),
}
impl From<std::io::Error> for Error {
fn from(err: std::io::Error) -> Self {
Error::IOError(err)
}
}
#[cfg(unused)]
impl From<hyper::error::Error> for Error {
fn from(err: hyper::error::Error) -> Self {
Error::HttpError(err)
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Error::InvalidPath(_) => write!(f, "invalid path"),
Error::BadNarInfo => write!(f, ".narinfo file is corrupt"),
Error::BadStorePath(path) => write!(f, "path '{}' is not a store path", path.display()),
Error::NotInStore(path) => {
write!(f, "path '{}' is not in the Nix store", path.display())
}
Error::BadBase32 => write!(f, "invalid base32 string"),
Error::StorePathNameEmpty => write!(f, "store path name is empty"),
Error::StorePathNameTooLong => {
write!(f, "store path name is longer than 211 characters")
}
Error::BadStorePathName => write!(f, "store path name contains forbidden character"),
Error::NarSizeFieldTooBig => write!(f, "size field in NAR is too big"),
Error::BadNarString => write!(f, "NAR string is not valid UTF-8"),
Error::BadNarPadding => write!(f, "NAR padding is not zero"),
Error::BadNarVersionMagic => write!(f, "unsupported NAR version"),
Error::MissingNarOpenTag => write!(f, "NAR open tag is missing"),
Error::MissingNarCloseTag => write!(f, "NAR close tag is missing"),
Error::MissingNarField => write!(f, "expected NAR field is missing"),
Error::BadNarField(s) => write!(f, "unrecognized NAR field '{}'", s),
Error::BadExecutableField => write!(f, "bad 'executable' field in NAR"),
Error::IOError(err) => write!(f, "I/O error: {}", err),
#[cfg(unused)]
Error::HttpError(err) => write!(f, "HTTP error: {}", err),
#[cfg(not(test))]
Error::Foreign(_) => write!(f, "<C++ exception>"), // FIXME
Error::Misc(s) => write!(f, "{}", s),
Error::BadTarFileMemberName(s) => {
write!(f, "tar archive contains illegal file name '{}'", s)
}
}
}
}
#[cfg(not(test))]
impl From<Error> for CppException {
fn from(err: Error) -> Self {
match err {
Error::Foreign(ex) => ex,
_ => CppException::new(&err.to_string()),
}
}
}
#[cfg(not(test))]
#[repr(C)]
#[derive(Debug)]
pub struct CppException(*const libc::c_void); // == std::exception_ptr*
#[cfg(not(test))]
impl CppException {
fn new(s: &str) -> Self {
Self(unsafe { make_error(s) })
}
}
#[cfg(not(test))]
impl Drop for CppException {
fn drop(&mut self) {
unsafe {
destroy_error(self.0);
}
}
}
#[cfg(not(test))]
extern "C" {
#[allow(improper_ctypes)] // YOLO
fn make_error(s: &str) -> *const libc::c_void;
fn destroy_error(exc: *const libc::c_void);
}

10
nix-rust/src/lib.rs
View file

@ -1,10 +0,0 @@
#[allow(improper_ctypes_definitions)]
#[cfg(not(test))]
mod c;
mod error;
#[cfg(unused)]
mod nar;
mod store;
mod util;
pub use error::Error;

126
nix-rust/src/nar.rs
View file

@ -1,126 +0,0 @@
use crate::Error;
use byteorder::{LittleEndian, ReadBytesExt};
use std::convert::TryFrom;
use std::io::Read;
pub fn parse<R: Read>(input: &mut R) -> Result<(), Error> {
if String::read(input)? != NAR_VERSION_MAGIC {
return Err(Error::BadNarVersionMagic);
}
parse_file(input)
}
const NAR_VERSION_MAGIC: &str = "nix-archive-1";
fn parse_file<R: Read>(input: &mut R) -> Result<(), Error> {
if String::read(input)? != "(" {
return Err(Error::MissingNarOpenTag);
}
if String::read(input)? != "type" {
return Err(Error::MissingNarField);
}
match String::read(input)?.as_ref() {
"regular" => {
let mut _executable = false;
let mut tag = String::read(input)?;
if tag == "executable" {
_executable = true;
if String::read(input)? != "" {
return Err(Error::BadExecutableField);
}
tag = String::read(input)?;
}
if tag != "contents" {
return Err(Error::MissingNarField);
}
let _contents = Vec::<u8>::read(input)?;
if String::read(input)? != ")" {
return Err(Error::MissingNarCloseTag);
}
}
"directory" => loop {
match String::read(input)?.as_ref() {
"entry" => {
if String::read(input)? != "(" {
return Err(Error::MissingNarOpenTag);
}
if String::read(input)? != "name" {
return Err(Error::MissingNarField);
}
let _name = String::read(input)?;
if String::read(input)? != "node" {
return Err(Error::MissingNarField);
}
parse_file(input)?;
let tag = String::read(input)?;
if tag != ")" {
return Err(Error::MissingNarCloseTag);
}
}
")" => break,
s => return Err(Error::BadNarField(s.into())),
}
},
"symlink" => {
if String::read(input)? != "target" {
return Err(Error::MissingNarField);
}
let _target = String::read(input)?;
if String::read(input)? != ")" {
return Err(Error::MissingNarCloseTag);
}
}
s => return Err(Error::BadNarField(s.into())),
}
Ok(())
}
trait Deserialize: Sized {
fn read<R: Read>(input: &mut R) -> Result<Self, Error>;
}
impl Deserialize for String {
fn read<R: Read>(input: &mut R) -> Result<Self, Error> {
let buf = Deserialize::read(input)?;
Ok(String::from_utf8(buf).map_err(|_| Error::BadNarString)?)
}
}
impl Deserialize for Vec<u8> {
fn read<R: Read>(input: &mut R) -> Result<Self, Error> {
let n: usize = Deserialize::read(input)?;
let mut buf = vec![0; n];
input.read_exact(&mut buf)?;
skip_padding(input, n)?;
Ok(buf)
}
}
fn skip_padding<R: Read>(input: &mut R, len: usize) -> Result<(), Error> {
if len % 8 != 0 {
let mut buf = [0; 8];
let buf = &mut buf[0..8 - (len % 8)];
input.read_exact(buf)?;
if !buf.iter().all(|b| *b == 0) {
return Err(Error::BadNarPadding);
}
}
Ok(())
}
impl Deserialize for u64 {
fn read<R: Read>(input: &mut R) -> Result<Self, Error> {
Ok(input.read_u64::<LittleEndian>()?)
}
}
impl Deserialize for usize {
fn read<R: Read>(input: &mut R) -> Result<Self, Error> {
let n: u64 = Deserialize::read(input)?;
Ok(usize::try_from(n).map_err(|_| Error::NarSizeFieldTooBig)?)
}
}

48
nix-rust/src/store/binary_cache_store.rs
View file

@ -1,48 +0,0 @@
use super::{PathInfo, Store, StorePath};
use crate::Error;
use hyper::client::Client;
pub struct BinaryCacheStore {
base_uri: String,
client: Client<hyper::client::HttpConnector, hyper::Body>,
}
impl BinaryCacheStore {
pub fn new(base_uri: String) -> Self {
Self {
base_uri,
client: Client::new(),
}
}
}
impl Store for BinaryCacheStore {
fn query_path_info(
&self,
path: &StorePath,
) -> std::pin::Pin<Box<dyn std::future::Future<Output = Result<PathInfo, Error>> + Send>> {
let uri = format!("{}/{}.narinfo", self.base_uri.clone(), path.hash);
let path = path.clone();
let client = self.client.clone();
let store_dir = self.store_dir().to_string();
Box::pin(async move {
let response = client.get(uri.parse::<hyper::Uri>().unwrap()).await?;
if response.status() == hyper::StatusCode::NOT_FOUND
|| response.status() == hyper::StatusCode::FORBIDDEN
{
return Err(Error::InvalidPath(path));
}
let mut body = response.into_body();
let mut bytes = Vec::new();
while let Some(next) = body.next().await {
bytes.extend(next?);
}
PathInfo::parse_nar_info(std::str::from_utf8(&bytes).unwrap(), &store_dir)
})
}
}

17
nix-rust/src/store/mod.rs
View file

@ -1,17 +0,0 @@
pub mod path;
#[cfg(unused)]
mod binary_cache_store;
#[cfg(unused)]
mod path_info;
#[cfg(unused)]
mod store;
pub use path::{StorePath, StorePathHash, StorePathName};
#[cfg(unused)]
pub use binary_cache_store::BinaryCacheStore;
#[cfg(unused)]
pub use path_info::PathInfo;
#[cfg(unused)]
pub use store::Store;

224
nix-rust/src/store/path.rs
View file

@ -1,224 +0,0 @@
use crate::error::Error;
use crate::util::base32;
use std::fmt;
use std::path::Path;
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug)]
pub struct StorePath {
pub hash: StorePathHash,
pub name: StorePathName,
}
pub const STORE_PATH_HASH_BYTES: usize = 20;
pub const STORE_PATH_HASH_CHARS: usize = 32;
impl StorePath {
pub fn new(path: &Path, store_dir: &Path) -> Result<Self, Error> {
if path.parent() != Some(store_dir) {
return Err(Error::NotInStore(path.into()));
}
Self::new_from_base_name(
path.file_name()
.ok_or_else(|| Error::BadStorePath(path.into()))?
.to_str()
.ok_or_else(|| Error::BadStorePath(path.into()))?,
)
}
pub fn from_parts(hash: [u8; STORE_PATH_HASH_BYTES], name: &str) -> Result<Self, Error> {
Ok(StorePath {
hash: StorePathHash(hash),
name: StorePathName::new(name)?,
})
}
pub fn new_from_base_name(base_name: &str) -> Result<Self, Error> {
if base_name.len() < STORE_PATH_HASH_CHARS + 1
|| base_name.as_bytes()[STORE_PATH_HASH_CHARS] != b'-'
{
return Err(Error::BadStorePath(base_name.into()));
}
Ok(StorePath {
hash: StorePathHash::new(&base_name[0..STORE_PATH_HASH_CHARS])?,
name: StorePathName::new(&base_name[STORE_PATH_HASH_CHARS + 1..])?,
})
}
}
impl fmt::Display for StorePath {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}-{}", self.hash, self.name)
}
}
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct StorePathHash([u8; STORE_PATH_HASH_BYTES]);
impl StorePathHash {
pub fn new(s: &str) -> Result<Self, Error> {
assert_eq!(s.len(), STORE_PATH_HASH_CHARS);
let v = base32::decode(s)?;
assert_eq!(v.len(), STORE_PATH_HASH_BYTES);
let mut bytes: [u8; 20] = Default::default();
bytes.copy_from_slice(&v[0..STORE_PATH_HASH_BYTES]);
Ok(Self(bytes))
}
pub fn hash(&self) -> &[u8; STORE_PATH_HASH_BYTES] {
&self.0
}
}
impl fmt::Display for StorePathHash {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let mut buf = vec![0; STORE_PATH_HASH_CHARS];
base32::encode_into(&self.0, &mut buf);
f.write_str(std::str::from_utf8(&buf).unwrap())
}
}
impl Ord for StorePathHash {
fn cmp(&self, other: &Self) -> std::cmp::Ordering {
// Historically we've sorted store paths by their base32
// serialization, but our base32 encodes bytes in reverse
// order. So compare them in reverse order as well.
self.0.iter().rev().cmp(other.0.iter().rev())
}
}
impl PartialOrd for StorePathHash {
fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
Some(self.cmp(other))
}
}
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug)]
pub struct StorePathName(String);
impl StorePathName {
pub fn new(s: &str) -> Result<Self, Error> {
if s.is_empty() {
return Err(Error::StorePathNameEmpty);
}
if s.len() > 211 {
return Err(Error::StorePathNameTooLong);
}
let is_good_path_name = s.chars().all(|c| {
c.is_ascii_alphabetic()
|| c.is_ascii_digit()
|| c == '+'
|| c == '-'
|| c == '.'
|| c == '_'
|| c == '?'
|| c == '='
});
if s.starts_with('.') || !is_good_path_name {
return Err(Error::BadStorePathName);
}
Ok(Self(s.to_string()))
}
pub fn name(&self) -> &str {
&self.0
}
}
impl fmt::Display for StorePathName {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str(&self.0)
}
}
#[cfg(test)]
mod tests {
use super::*;
use assert_matches::assert_matches;
#[test]
fn test_parse() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-konsole-18.12.3";
let p = StorePath::new_from_base_name(&s).unwrap();
assert_eq!(p.name.0, "konsole-18.12.3");
assert_eq!(
p.hash.0,
[
0x9f, 0x76, 0x49, 0x20, 0xf6, 0x5d, 0xe9, 0x71, 0xc4, 0xca, 0x46, 0x21, 0xab, 0xff,
0x9b, 0x44, 0xef, 0x87, 0x0f, 0x3c
]
);
}
#[test]
fn test_no_name() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-";
assert_matches!(
StorePath::new_from_base_name(&s),
Err(Error::StorePathNameEmpty)
);
}
#[test]
fn test_no_dash() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz";
assert_matches!(
StorePath::new_from_base_name(&s),
Err(Error::BadStorePath(_))
);
}
#[test]
fn test_short_hash() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxl-konsole-18.12.3";
assert_matches!(
StorePath::new_from_base_name(&s),
Err(Error::BadStorePath(_))
);
}
#[test]
fn test_invalid_hash() {
let s = "7h7qgvs4kgzsn8e6rb273saxyqh4jxlz-konsole-18.12.3";
assert_matches!(StorePath::new_from_base_name(&s), Err(Error::BadBase32));
}
#[test]
fn test_long_name() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
assert_matches!(StorePath::new_from_base_name(&s), Ok(_));
}
#[test]
fn test_too_long_name() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
assert_matches!(
StorePath::new_from_base_name(&s),
Err(Error::StorePathNameTooLong)
);
}
#[test]
fn test_bad_name() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-foo bar";
assert_matches!(
StorePath::new_from_base_name(&s),
Err(Error::BadStorePathName)
);
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-kónsole";
assert_matches!(
StorePath::new_from_base_name(&s),
Err(Error::BadStorePathName)
);
}
#[test]
fn test_roundtrip() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-konsole-18.12.3";
assert_eq!(StorePath::new_from_base_name(&s).unwrap().to_string(), s);
}
}

70
nix-rust/src/store/path_info.rs
View file

@ -1,70 +0,0 @@
use crate::store::StorePath;
use crate::Error;
use std::collections::BTreeSet;
#[derive(Clone, Debug)]
pub struct PathInfo {
pub path: StorePath,
pub references: BTreeSet<StorePath>,
pub nar_size: u64,
pub deriver: Option<StorePath>,
// Additional binary cache info.
pub url: Option<String>,
pub compression: Option<String>,
pub file_size: Option<u64>,
}
impl PathInfo {
pub fn parse_nar_info(nar_info: &str, store_dir: &str) -> Result<Self, Error> {
let mut path = None;
let mut references = BTreeSet::new();
let mut nar_size = None;
let mut deriver = None;
let mut url = None;
let mut compression = None;
let mut file_size = None;
for line in nar_info.lines() {
let colon = line.find(':').ok_or(Error::BadNarInfo)?;
let (name, value) = line.split_at(colon);
if !value.starts_with(": ") {
return Err(Error::BadNarInfo);
}
let value = &value[2..];
if name == "StorePath" {
path = Some(StorePath::new(std::path::Path::new(value), store_dir)?);
} else if name == "NarSize" {
nar_size = Some(u64::from_str_radix(value, 10).map_err(|_| Error::BadNarInfo)?);
} else if name == "References" {
if !value.is_empty() {
for r in value.split(' ') {
references.insert(StorePath::new_from_base_name(r)?);
}
}
} else if name == "Deriver" {
deriver = Some(StorePath::new_from_base_name(value)?);
} else if name == "URL" {
url = Some(value.into());
} else if name == "Compression" {
compression = Some(value.into());
} else if name == "FileSize" {
file_size = Some(u64::from_str_radix(value, 10).map_err(|_| Error::BadNarInfo)?);
}
}
Ok(PathInfo {
path: path.ok_or(Error::BadNarInfo)?,
references,
nar_size: nar_size.ok_or(Error::BadNarInfo)?,
deriver,
url: Some(url.ok_or(Error::BadNarInfo)?),
compression,
file_size,
})
}
}

53
nix-rust/src/store/store.rs
View file

@ -1,53 +0,0 @@
use super::{PathInfo, StorePath};
use crate::Error;
use std::collections::{BTreeMap, BTreeSet};
use std::path::Path;
pub trait Store: Send + Sync {
fn store_dir(&self) -> &str {
"/nix/store"
}
fn query_path_info(
&self,
store_path: &StorePath,
) -> std::pin::Pin<Box<dyn std::future::Future<Output = Result<PathInfo, Error>> + Send>>;
}
impl dyn Store {
pub fn parse_store_path(&self, path: &Path) -> Result<StorePath, Error> {
StorePath::new(path, self.store_dir())
}
pub async fn compute_path_closure(
&self,
roots: BTreeSet<StorePath>,
) -> Result<BTreeMap<StorePath, PathInfo>, Error> {
let mut done = BTreeSet::new();
let mut result = BTreeMap::new();
let mut pending = vec![];
for root in roots {
pending.push(self.query_path_info(&root));
done.insert(root);
}
while !pending.is_empty() {
let (info, _, remaining) = futures::future::select_all(pending).await;
pending = remaining;
let info = info?;
for path in &info.references {
if !done.contains(path) {
pending.push(self.query_path_info(&path));
done.insert(path.clone());
}
}
result.insert(info.path.clone(), info);
}
Ok(result)
}
}

160
nix-rust/src/util/base32.rs
View file

@ -1,160 +0,0 @@
use crate::error::Error;
use lazy_static::lazy_static;
pub fn encoded_len(input_len: usize) -> usize {
if input_len == 0 {
0
} else {
(input_len * 8 - 1) / 5 + 1
}
}
pub fn decoded_len(input_len: usize) -> usize {
input_len * 5 / 8
}
static BASE32_CHARS: &[u8; 32] = &b"0123456789abcdfghijklmnpqrsvwxyz";
lazy_static! {
static ref BASE32_CHARS_REVERSE: Box<[u8; 256]> = {
let mut xs = [0xffu8; 256];
for (n, c) in BASE32_CHARS.iter().enumerate() {
xs[*c as usize] = n as u8;
}
Box::new(xs)
};
}
pub fn encode(input: &[u8]) -> String {
let mut buf = vec![0; encoded_len(input.len())];
encode_into(input, &mut buf);
std::str::from_utf8(&buf).unwrap().to_string()
}
pub fn encode_into(input: &[u8], output: &mut [u8]) {
let len = encoded_len(input.len());
assert_eq!(len, output.len());
let mut nr_bits_left: usize = 0;
let mut bits_left: u16 = 0;
let mut pos = len;
for b in input {
bits_left |= (*b as u16) << nr_bits_left;
nr_bits_left += 8;
while nr_bits_left > 5 {
output[pos - 1] = BASE32_CHARS[(bits_left & 0x1f) as usize];
pos -= 1;
bits_left >>= 5;
nr_bits_left -= 5;
}
}
if nr_bits_left > 0 {
output[pos - 1] = BASE32_CHARS[(bits_left & 0x1f) as usize];
pos -= 1;
}
assert_eq!(pos, 0);
}
pub fn decode(input: &str) -> Result<Vec<u8>, crate::Error> {
let mut res = Vec::with_capacity(decoded_len(input.len()));
let mut nr_bits_left: usize = 0;
let mut bits_left: u16 = 0;
for c in input.chars().rev() {
let b = BASE32_CHARS_REVERSE[c as usize];
if b == 0xff {
return Err(Error::BadBase32);
}
bits_left |= (b as u16) << nr_bits_left;
nr_bits_left += 5;
if nr_bits_left >= 8 {
res.push((bits_left & 0xff) as u8);
bits_left >>= 8;
nr_bits_left -= 8;
}
}
if nr_bits_left > 0 && bits_left != 0 {
return Err(Error::BadBase32);
}
Ok(res)
}
#[cfg(test)]
mod tests {
use super::*;
use assert_matches::assert_matches;
use hex;
use proptest::proptest;
#[test]
fn test_encode() {
assert_eq!(encode(&[]), "");
assert_eq!(
encode(&hex::decode("0839703786356bca59b0f4a32987eb2e6de43ae8").unwrap()),
"x0xf8v9fxf3jk8zln1cwlsrmhqvp0f88"
);
assert_eq!(
encode(
&hex::decode("ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad")
.unwrap()
),
"1b8m03r63zqhnjf7l5wnldhh7c134ap5vpj0850ymkq1iyzicy5s"
);
assert_eq!(
encode(
&hex::decode("ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f")
.unwrap()
),
"2gs8k559z4rlahfx0y688s49m2vvszylcikrfinm30ly9rak69236nkam5ydvly1ai7xac99vxfc4ii84hawjbk876blyk1jfhkbbyx"
);
}
#[test]
fn test_decode() {
assert_eq!(hex::encode(decode("").unwrap()), "");
assert_eq!(
hex::encode(decode("x0xf8v9fxf3jk8zln1cwlsrmhqvp0f88").unwrap()),
"0839703786356bca59b0f4a32987eb2e6de43ae8"
);
assert_eq!(
hex::encode(decode("1b8m03r63zqhnjf7l5wnldhh7c134ap5vpj0850ymkq1iyzicy5s").unwrap()),
"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
);
assert_eq!(
hex::encode(decode("2gs8k559z4rlahfx0y688s49m2vvszylcikrfinm30ly9rak69236nkam5ydvly1ai7xac99vxfc4ii84hawjbk876blyk1jfhkbbyx").unwrap()),
"ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f"
);
assert_matches!(
decode("xoxf8v9fxf3jk8zln1cwlsrmhqvp0f88"),
Err(Error::BadBase32)
);
assert_matches!(
decode("2b8m03r63zqhnjf7l5wnldhh7c134ap5vpj0850ymkq1iyzicy5s"),
Err(Error::BadBase32)
);
assert_matches!(decode("2"), Err(Error::BadBase32));
assert_matches!(decode("2gs"), Err(Error::BadBase32));
assert_matches!(decode("2gs8"), Err(Error::BadBase32));
}
proptest! {
#[test]
fn roundtrip(s: Vec<u8>) {
assert_eq!(s, decode(&encode(&s)).unwrap());
}
}
}

1
nix-rust/src/util/mod.rs
View file

@ -1 +0,0 @@
pub mod base32;

2
perl/configure.ac
View file

@ -41,7 +41,7 @@ perlarchname=$($perl -e 'use Config; print $Config{archname};')
AC_SUBST(perllibdir, [${libdir}/perl5/site_perl/$perlversion/$perlarchname])
AC_MSG_RESULT($perllibdir)
# Look for libsodium, an optional dependency.
# Look for libsodium.
PKG_CHECK_MODULES([SODIUM], [libsodium], [CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS"])
# Check for the required Perl dependencies (DBI and DBD::SQLite).

1
perl/lib/Nix/Config.pm.in
View file

@ -1,6 +1,7 @@
package Nix::Config;
use MIME::Base64;
use Nix::Store;
$version = "@PACKAGE_VERSION@";

2
perl/lib/Nix/Store.xs
View file

@ -240,7 +240,7 @@ SV * convertHash(char * algo, char * s, int toBase32)
PPCODE:
try {
auto h = Hash::parseAny(s, parseHashType(algo));
string s = h.to_string(toBase32 ? Base32 : Base16, false);
auto s = h.to_string(toBase32 ? Base32 : Base16, false);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());

33
scripts/check-hydra-status.sh Normal file
View file

@ -0,0 +1,33 @@
#!/usr/bin/env bash
set -euo pipefail
# set -x
# mapfile BUILDS_FOR_LATEST_EVAL < <(
# curl -H 'Accept: application/json' https://hydra.nixos.org/jobset/nix/master/evals | \
# jq -r '.evals[0].builds[] | @sh')
BUILDS_FOR_LATEST_EVAL=$(
curl -sS -H 'Accept: application/json' https://hydra.nixos.org/jobset/nix/master/evals | \
jq -r '.evals[0].builds[]')
someBuildFailed=0
for buildId in $BUILDS_FOR_LATEST_EVAL; do
buildInfo=$(curl -sS -H 'Accept: application/json' "https://hydra.nixos.org/build/$buildId")
finished=$(echo "$buildInfo" | jq -r '.finished')
if [[ $finished = 0 ]]; then
continue
fi
buildStatus=$(echo "$buildInfo" | jq -r '.buildstatus')
if [[ $buildStatus != 0 ]]; then
someBuildFailed=1
echo "Job “$(echo "$buildInfo" | jq -r '.job')” failed on hydra: $buildInfo"
fi
done
exit "$someBuildFailed"

38
scripts/create-darwin-volume.sh
View file

@ -246,7 +246,8 @@ get_volume_pass() {
verify_volume_pass() {
local volume_special="$1" # (i.e., disk1s7)
local volume_uuid="$2"
/usr/sbin/diskutil apfs unlockVolume "$volume_special" -verify -stdinpassphrase -user "$volume_uuid"
_sudo "to confirm the password actually unlocks the volume" \
/usr/sbin/diskutil apfs unlockVolume "$volume_special" -verify -stdinpassphrase -user "$volume_uuid"
}
volume_pass_works() {
@ -440,7 +441,22 @@ add_nix_vol_fstab_line() {
# shellcheck disable=SC1003,SC2026
local escaped_mountpoint="${NIX_ROOT/ /'\\\'040}"
shift
EDITOR="/usr/bin/ex" _sudo "to add nix to fstab" "$@" <<EOF
# wrap `ex` to work around a problem with vim plugins breaking exit codes;
# (see https://github.com/NixOS/nix/issues/5468)
# we'd prefer EDITOR="/usr/bin/ex --noplugin" but vifs doesn't word-split
# the EDITOR env.
#
# TODO: at some point we should switch to `--clean`, but it wasn't added
# until https://github.com/vim/vim/releases/tag/v8.0.1554 while the macOS
# minver 10.12.6 seems to have released with vim 7.4
cat > "$SCRATCH/ex_cleanroom_wrapper" <<EOF
#!/bin/sh
/usr/bin/ex --noplugin "\$@"
EOF
chmod 755 "$SCRATCH/ex_cleanroom_wrapper"
EDITOR="$SCRATCH/ex_cleanroom_wrapper" _sudo "to add nix to fstab" "$@" <<EOF
:a
UUID=$uuid $escaped_mountpoint apfs rw,noauto,nobrowse,suid,owners
.
@ -631,7 +647,7 @@ EOF
# technically /etc/synthetic.d/nix is supported in Big Sur+
# but handling both takes even more code...
_sudo "to add Nix to /etc/synthetic.conf" \
/usr/bin/ex /etc/synthetic.conf <<EOF
/usr/bin/ex --noplugin /etc/synthetic.conf <<EOF
:a
${NIX_ROOT:1}
.
@ -670,22 +686,27 @@ encrypt_volume() {
local volume_uuid="$1"
local volume_label="$2"
local password
task "Encrypt the Nix volume" >&2
# Note: mount/unmount are late additions to support the right order
# of operations for creating the volume and then baking its uuid into
# other artifacts; not as well-trod wrt to potential errors, race
# conditions, etc.
/usr/sbin/diskutil mount "$volume_label"
_sudo "to mount your Nix volume for encrypting" \
/usr/sbin/diskutil mount "$volume_label"
password="$(/usr/bin/xxd -l 32 -p -c 256 /dev/random)"
_sudo "to add your Nix volume's password to Keychain" \
/usr/bin/security -i <<EOF
add-generic-password -a "$volume_label" -s "$volume_uuid" -l "$volume_label encryption password" -D "Encrypted volume password" -j "Added automatically by the Nix installer for use by $NIX_VOLUME_MOUNTD_DEST" -w "$password" -T /System/Library/CoreServices/APFSUserAgent -T /System/Library/CoreServices/CSUserAgent -T /usr/bin/security "/Library/Keychains/System.keychain"
EOF
builtin printf "%s" "$password" | _sudo "to encrypt your Nix volume" \
builtin printf "%s" "$password" | _sudo "to actually encrypt your Nix volume" \
/usr/sbin/diskutil apfs encryptVolume "$volume_label" -user disk -stdinpassphrase
/usr/sbin/diskutil unmount force "$volume_label"
_sudo "to unmount the encrypted volume" \
/usr/sbin/diskutil unmount force "$volume_label"
}
create_volume() {
@ -742,6 +763,9 @@ setup_volume() {
use_special="${NIX_VOLUME_USE_SPECIAL:-$(create_volume)}"
_sudo "to ensure the Nix volume is not mounted" \
/usr/sbin/diskutil unmount force "$use_special" || true # might not be mounted
use_uuid=${NIX_VOLUME_USE_UUID:-$(volume_uuid_from_special "$use_special")}
setup_fstab "$use_uuid"
@ -791,7 +815,7 @@ setup_volume_daemon() {
local volume_uuid="$2"
if ! test_voldaemon; then
task "Configuring LaunchDaemon to mount '$NIX_VOLUME_LABEL'" >&2
_sudo "to install the Nix volume mounter" /usr/bin/ex "$NIX_VOLUME_MOUNTD_DEST" <<EOF
_sudo "to install the Nix volume mounter" /usr/bin/ex --noplugin "$NIX_VOLUME_MOUNTD_DEST" <<EOF
:a
$(generate_mount_daemon "$cmd_type" "$volume_uuid")
.

19
scripts/install-darwin-multi-user.sh
View file

@ -13,11 +13,22 @@ NIX_BUILD_USER_NAME_TEMPLATE="_nixbld%d"
read_only_root() {
# this touch command ~should~ always produce an error
# as of this change I confirmed /usr/bin/touch emits:
# "touch: /: Operation not permitted" Monterey
# "touch: /: Read-only file system" Catalina+ and Big Sur
# "touch: /: Permission denied" Mojave
# (not matching prefix for compat w/ coreutils touch in case using
# an explicit path causes problems; its prefix differs)
[[ "$(/usr/bin/touch / 2>&1)" = *"Read-only file system" ]]
case "$(/usr/bin/touch / 2>&1)" in
*"Read-only file system") # Catalina, Big Sur
return 0
;;
*"Operation not permitted") # Monterey
return 0
;;
*)
return 1
;;
esac
# Avoiding the slow semantic way to get this information (~330ms vs ~8ms)
# unless using touch causes problems. Just in case, that approach is:
@ -67,7 +78,7 @@ poly_service_installed_check() {
poly_service_uninstall_directions() {
echo "$1. Remove macOS-specific components:"
if should_create_volume && test_nix_volume_mountd_installed; then
darwin_volume_uninstall_directions
nix_volume_mountd_uninstall_directions
fi
if test_nix_daemon_installed; then
nix_daemon_uninstall_directions
@ -207,7 +218,7 @@ EOF
setup_darwin_volume
fi
if [ "$(diskutil info -plist /nix | xmllint --xpath "(/plist/dict/key[text()='GlobalPermissionsEnabled'])/following-sibling::*[1]" -)" = "<false/>" ]; then
failure "This script needs a /nix volume with global permissions! This may require running sudo diskutil enableOwnership /nix."
if [ "$(/usr/sbin/diskutil info -plist /nix | xmllint --xpath "(/plist/dict/key[text()='GlobalPermissionsEnabled'])/following-sibling::*[1]" -)" = "<false/>" ]; then
failure "This script needs a /nix volume with global permissions! This may require running sudo /usr/sbin/diskutil enableOwnership /nix."
fi
}

86
scripts/install-multi-user.sh
View file

@ -377,6 +377,11 @@ cure_artifacts() {
}
validate_starting_assumptions() {
task "Checking for artifacts of previous installs"
cat <<EOF
Before I try to install, I'll check for signs Nix already is or has
been installed on this system.
EOF
if type nix-env 2> /dev/null >&2; then
warning <<EOF
Nix already appears to be installed. This installer may run into issues.
@ -386,20 +391,34 @@ $(uninstall_directions)
EOF
fi
# TODO: I think it would be good for this step to accumulate more
# knowledge of older obsolete artifacts, if there are any.
# We could issue a "reminder" here that the user might want
# to clean them up?
for profile_target in "${PROFILE_TARGETS[@]}"; do
# TODO: I think it would be good to accumulate a list of all
# of the copies so that people don't hit this 2 or 3x in
# a row for different files.
if [ -e "$profile_target$PROFILE_BACKUP_SUFFIX" ]; then
# this backup process first released in Nix 2.1
failure <<EOF
When this script runs, it backs up the current $profile_target to
$profile_target$PROFILE_BACKUP_SUFFIX. This backup file already exists, though.
I back up shell profile/rc scripts before I add Nix to them.
I need to back up $profile_target to $profile_target$PROFILE_BACKUP_SUFFIX,
but the latter already exists.
Please follow these instructions to clean up the old backup file:
Here's how to clean up the old backup file:
1. Copy $profile_target and $profile_target$PROFILE_BACKUP_SUFFIX to another place, just
in case.
1. Back up (copy) $profile_target and $profile_target$PROFILE_BACKUP_SUFFIX
to another location, just in case.
2. Take care to make sure that $profile_target$PROFILE_BACKUP_SUFFIX doesn't look like
it has anything nix-related in it. If it does, something is probably
quite wrong. Please open an issue or get in touch immediately.
2. Ensure $profile_target$PROFILE_BACKUP_SUFFIX does not have anything
Nix-related in it. If it does, something is probably quite
wrong. Please open an issue or get in touch immediately.
3. Once you confirm $profile_target is backed up and
$profile_target$PROFILE_BACKUP_SUFFIX doesn't mention Nix, run:
mv $profile_target$PROFILE_BACKUP_SUFFIX $profile_target
EOF
fi
done
@ -557,21 +576,40 @@ create_directories() {
# since this bit is cross-platform:
# - first try with `command -vp` to try and find
# chown in the usual places
# * to work around some sort of deficiency in
# `command -p` in macOS bash 3.2, we also add
# PATH="$(getconf PATH 2>/dev/null)". As long as
# getconf is found, this should set a sane PATH
# which `command -p` in bash 3.2 appears to use.
# A bash with a properly-working `command -p`
# should ignore this hard-set PATH in favor of
# whatever it obtains internally. See
# github.com/NixOS/nix/issues/5768
# - fall back on `command -v` which would find
# any chown on path
# if we don't find one, the command is already
# hiding behind || true, and the general state
# should be one the user can repair once they
# figure out where chown is...
local get_chr_own="$(command -vp chown)"
local get_chr_own="$(PATH="$(getconf PATH 2>/dev/null)" command -vp chown)"
if [[ -z "$get_chr_own" ]]; then
get_chr_own="$(command -v chown)"
fi
_sudo "to take root ownership of existing Nix store files" \
"$get_chr_own" -R "root:$NIX_BUILD_GROUP_NAME" "$NIX_ROOT" || true
if [[ -z "$get_chr_own" ]]; then
reminder <<EOF
I wanted to take root ownership of existing Nix store files,
but I couldn't locate 'chown'. (You may need to fix your PATH.)
To manually change file ownership, you can run:
sudo chown -R 'root:$NIX_BUILD_GROUP_NAME' '$NIX_ROOT'
EOF
else
_sudo "to take root ownership of existing Nix store files" \
"$get_chr_own" -R "root:$NIX_BUILD_GROUP_NAME" "$NIX_ROOT" || true
fi
fi
_sudo "to make the basic directory structure of Nix (part 1)" \
install -dv -m 0755 /nix /nix/var /nix/var/log /nix/var/log/nix /nix/var/log/nix/drvs /nix/var/nix{,/db,/gcroots,/profiles,/temproots,/userpool} /nix/var/nix/{gcroots,profiles}/per-user
install -dv -m 0755 /nix /nix/var /nix/var/log /nix/var/log/nix /nix/var/log/nix/drvs /nix/var/nix{,/db,/gcroots,/profiles,/temproots,/userpool,/daemon-socket} /nix/var/nix/{gcroots,profiles}/per-user
_sudo "to make the basic directory structure of Nix (part 2)" \
install -dv -g "$NIX_BUILD_GROUP_NAME" -m 1775 /nix/store
@ -599,7 +637,7 @@ manager. This will happen in a few stages:
1. Make sure your computer doesn't already have Nix. If it does, I
will show you instructions on how to clean up your old install.
2. Show you what we are going to install and where. Then we will ask
2. Show you what I am going to install and where. Then I will ask
if you are ready to continue.
3. Create the system users and groups that the Nix daemon uses to run
@ -614,14 +652,14 @@ manager. This will happen in a few stages:
EOF
if ui_confirm "Would you like to see a more detailed list of what we will do?"; then
if ui_confirm "Would you like to see a more detailed list of what I will do?"; then
cat <<EOF
We will:
I will:
- make sure your computer doesn't already have Nix files
(if it does, I will tell you how to clean them up.)
- create local users (see the list above for the users we'll make)
- create local users (see the list above for the users I'll make)
- create a local group ($NIX_BUILD_GROUP_NAME)
- install Nix in to $NIX_ROOT
- create a configuration file in /etc/nix
@ -656,7 +694,7 @@ run in a headless fashion, like this:
$ curl -L https://nixos.org/nix/install | sh
or maybe in a CI pipeline. Because of that, we're going to skip the
or maybe in a CI pipeline. Because of that, I'm going to skip the
verbose output in the interest of brevity.
If you would like to
@ -670,7 +708,7 @@ EOF
fi
cat <<EOF
This script is going to call sudo a lot. Every time we do, it'll
This script is going to call sudo a lot. Every time I do, it'll
output exactly what it'll do, and why.
Just like this:
@ -682,15 +720,15 @@ EOF
cat <<EOF
This might look scary, but everything can be undone by running just a
few commands. We used to ask you to confirm each time sudo ran, but it
few commands. I used to ask you to confirm each time sudo ran, but it
was too many times. Instead, I'll just ask you this one time:
EOF
if ui_confirm "Can we use sudo?"; then
if ui_confirm "Can I use sudo?"; then
ok "Yay! Thanks! Let's get going!"
else
failure <<EOF
That is okay, but we can't install.
That is okay, but I can't install.
EOF
fi
}
@ -809,10 +847,10 @@ main() {
# can fail faster in this case. Sourcing install-darwin... now runs
# `touch /` to detect Read-only root, but it could update times on
# pre-Catalina macOS if run as root user.
if [ $EUID -eq 0 ]; then
if [ "$EUID" -eq 0 ]; then
failure <<EOF
Please do not run this script with root privileges. We will call sudo
when we need to.
Please do not run this script with root privileges. I will call sudo
when I need to.
EOF
fi

24
scripts/install-nix-from-closure.sh
View file

@ -38,7 +38,7 @@ fi
# Determine if we could use the multi-user installer or not
if [ "$(uname -s)" = "Linux" ]; then
echo "Note: a multi-user installation is possible. See https://nixos.org/nix/manual/#sect-multi-user-installation" >&2
echo "Note: a multi-user installation is possible. See https://nixos.org/manual/nix/stable/installation/installing-binary.html#multi-user-installation" >&2
fi
case "$(uname -s)" in
@ -98,7 +98,7 @@ while [ $# -gt 0 ]; do
echo " providing multi-user support and better isolation for local builds."
echo " Both for security and reproducibility, this method is recommended if"
echo " supported on your platform."
echo " See https://nixos.org/nix/manual/#sect-multi-user-installation"
echo " See https://nixos.org/manual/nix/stable/installation/installing-binary.html#multi-user-installation"
echo ""
echo " --no-daemon: Simple, single-user installation that does not require root and is"
echo " trivial to uninstall."
@ -134,7 +134,7 @@ fi
echo "performing a single-user installation of Nix..." >&2
if ! [ -e $dest ]; then
if ! [ -e "$dest" ]; then
cmd="mkdir -m 0755 $dest && chown $USER $dest"
echo "directory $dest does not exist; creating it by running '$cmd' using sudo" >&2
if ! sudo sh -c "$cmd"; then
@ -143,12 +143,12 @@ if ! [ -e $dest ]; then
fi
fi
if ! [ -w $dest ]; then
echo "$0: directory $dest exists, but is not writable by you. This could indicate that another user has already performed a single-user installation of Nix on this system. If you wish to enable multi-user support see https://nixos.org/nix/manual/#ssec-multi-user. If you wish to continue with a single-user install for $USER please run 'chown -R $USER $dest' as root." >&2
if ! [ -w "$dest" ]; then
echo "$0: directory $dest exists, but is not writable by you. This could indicate that another user has already performed a single-user installation of Nix on this system. If you wish to enable multi-user support see https://nixos.org/manual/nix/stable/installation/multi-user.html. If you wish to continue with a single-user install for $USER please run 'chown -R $USER $dest' as root." >&2
exit 1
fi
mkdir -p $dest/store
mkdir -p "$dest/store"
printf "copying Nix to %s..." "${dest}/store" >&2
# Insert a newline if no progress is shown.
@ -189,17 +189,17 @@ fi
# Install an SSL certificate bundle.
if [ -z "$NIX_SSL_CERT_FILE" ] || ! [ -f "$NIX_SSL_CERT_FILE" ]; then
$nix/bin/nix-env -i "$cacert"
"$nix/bin/nix-env" -i "$cacert"
export NIX_SSL_CERT_FILE="$HOME/.nix-profile/etc/ssl/certs/ca-bundle.crt"
fi
# Subscribe the user to the Nixpkgs channel and fetch it.
if [ -z "$NIX_INSTALLER_NO_CHANNEL_ADD" ]; then
if ! $nix/bin/nix-channel --list | grep -q "^nixpkgs "; then
$nix/bin/nix-channel --add https://nixos.org/channels/nixpkgs-unstable
if ! "$nix/bin/nix-channel" --list | grep -q "^nixpkgs "; then
"$nix/bin/nix-channel" --add https://nixos.org/channels/nixpkgs-unstable
fi
if [ -z "$_NIX_INSTALLER_TEST" ]; then
if ! $nix/bin/nix-channel --update nixpkgs; then
if ! "$nix/bin/nix-channel" --update nixpkgs; then
echo "Fetching the nixpkgs channel failed. (Are you offline?)"
echo "To try again later, run \"nix-channel --update nixpkgs\"."
fi
@ -215,7 +215,7 @@ if [ -z "$NIX_INSTALLER_NO_MODIFY_PROFILE" ]; then
if [ -w "$fn" ]; then
if ! grep -q "$p" "$fn"; then
echo "modifying $fn..." >&2
echo -e "\nif [ -e $p ]; then . $p; fi # added by Nix installer" >> "$fn"
printf '\nif [ -e %s ]; then . %s; fi # added by Nix installer\n' "$p" "$p" >> "$fn"
fi
added=1
break
@ -226,7 +226,7 @@ if [ -z "$NIX_INSTALLER_NO_MODIFY_PROFILE" ]; then
if [ -w "$fn" ]; then
if ! grep -q "$p" "$fn"; then
echo "modifying $fn..." >&2
echo -e "\nif [ -e $p ]; then . $p; fi # added by Nix installer" >> "$fn"
printf '\nif [ -e %s ]; then . %s; fi # added by Nix installer\n' "$p" "$p" >> "$fn"
fi
added=1
break

2
scripts/install-systemd-multi-user.sh
View file

@ -15,7 +15,7 @@ readonly SERVICE_OVERRIDE=${SERVICE_DEST}.d/override.conf
create_systemd_override() {
header "Configuring proxy for the nix-daemon service"
_sudo "create directory for systemd unit override" mkdir -p "$(dirname $SERVICE_OVERRIDE)"
_sudo "create directory for systemd unit override" mkdir -p "$(dirname "$SERVICE_OVERRIDE")"
cat <<EOF | _sudo "create systemd unit override" tee "$SERVICE_OVERRIDE"
[Service]
$1

6
scripts/install.in
View file

@ -81,10 +81,10 @@ if [ "$(uname -s)" != "Darwin" ]; then
require_util xz "unpack the binary tarball"
fi
if command -v wget > /dev/null 2>&1; then
fetch() { wget "$1" -O "$2"; }
elif command -v curl > /dev/null 2>&1; then
if command -v curl > /dev/null 2>&1; then
fetch() { curl -L "$1" -o "$2"; }
elif command -v wget > /dev/null 2>&1; then
fetch() { wget "$1" -O "$2"; }
else
oops "you don't have wget or curl installed, which I need to download the binary tarball"
fi

4
scripts/local.mk
View file

@ -1,7 +1,5 @@
nix_noinst_scripts := \
$(d)/nix-http-export.cgi \
$(d)/nix-profile.sh \
$(d)/nix-reduce-build
$(d)/nix-profile.sh
noinst-scripts += $(nix_noinst_scripts)

51
scripts/nix-http-export.cgi.in
View file

@ -1,51 +0,0 @@
#! /bin/sh
export HOME=/tmp
export NIX_REMOTE=daemon
TMP_DIR="${TMP_DIR:-/tmp/nix-export}"
@coreutils@/mkdir -p "$TMP_DIR" || true
@coreutils@/chmod a+r "$TMP_DIR"
needed_path="?$QUERY_STRING"
needed_path="${needed_path#*[?&]needed_path=}"
needed_path="${needed_path%%&*}"
#needed_path="$(echo $needed_path | ./unhttp)"
needed_path="${needed_path//%2B/+}"
needed_path="${needed_path//%3D/=}"
echo needed_path: "$needed_path" >&2
NIX_STORE="${NIX_STORE_DIR:-/nix/store}"
echo NIX_STORE: "${NIX_STORE}" >&2
full_path="${NIX_STORE}"/"$needed_path"
if [ "$needed_path" != "${needed_path%.drv}" ]; then
echo "Status: 403 You should create the derivation file yourself"
echo "Content-Type: text/plain"
echo
echo "Refusing to disclose derivation contents"
exit
fi
if @bindir@/nix-store --check-validity "$full_path"; then
if ! [ -e nix-export/"$needed_path".nar.gz ]; then
@bindir@/nix-store --export "$full_path" | @gzip@ > "$TMP_DIR"/"$needed_path".nar.gz
@coreutils@/ln -fs "$TMP_DIR"/"$needed_path".nar.gz nix-export/"$needed_path".nar.gz
fi;
echo "Status: 301 Moved"
echo "Location: nix-export/"$needed_path".nar.gz"
echo
else
echo "Status: 404 No such path found"
echo "Content-Type: text/plain"
echo
echo "Path not found:"
echo "$needed_path"
echo "checked:"
echo "$full_path"
fi

6
scripts/nix-profile-daemon.sh.in
View file

@ -5,7 +5,7 @@ __ETC_PROFILE_NIX_SOURCED=1
export NIX_PROFILES="@localstatedir@/nix/profiles/default $HOME/.nix-profile"
# Set $NIX_SSL_CERT_FILE so that Nixpkgs applications like curl work.
if [ ! -z "${NIX_SSL_CERT_FILE:-}" ]; then
if [ -n "${NIX_SSL_CERT_FILE:-}" ]; then
: # Allow users to override the NIX_SSL_CERT_FILE
elif [ -e /etc/ssl/certs/ca-certificates.crt ]; then # NixOS, Ubuntu, Debian, Gentoo, Arch
export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
@ -18,14 +18,14 @@ elif [ -e /etc/pki/tls/certs/ca-bundle.crt ]; then # Fedora, CentOS
else
# Fall back to what is in the nix profiles, favouring whatever is defined last.
check_nix_profiles() {
if [ "$ZSH_VERSION" ]; then
if [ -n "$ZSH_VERSION" ]; then
# Zsh by default doesn't split words in unquoted parameter expansion.
# Set local_options for these options to be reverted at the end of the function
# and shwordsplit to force splitting words in $NIX_PROFILES below.
setopt local_options shwordsplit
fi
for i in $NIX_PROFILES; do
if [ -e $i/etc/ssl/certs/ca-bundle.crt ]; then
if [ -e "$i/etc/ssl/certs/ca-bundle.crt" ]; then
export NIX_SSL_CERT_FILE=$i/etc/ssl/certs/ca-bundle.crt
fi
done

3
scripts/nix-profile.sh.in
View file

@ -24,6 +24,9 @@ if [ -n "$HOME" ] && [ -n "$USER" ]; then
export NIX_SSL_CERT_FILE="$NIX_LINK/etc/ca-bundle.crt"
fi
# Only use MANPATH if it is already set. In general `man` will just simply
# pick up `.nix-profile/share/man` because is it close to `.nix-profile/bin`
# which is in the $PATH. For more info, run `manpath -d`.
if [ -n "${MANPATH-}" ]; then
export MANPATH="$NIX_LINK/share/man:$MANPATH"
fi

171
scripts/nix-reduce-build.in
View file

@ -1,171 +0,0 @@
#! @bash@
WORKING_DIRECTORY=$(mktemp -d "${TMPDIR:-/tmp}"/nix-reduce-build-XXXXXX);
cd "$WORKING_DIRECTORY";
if test -z "$1" || test "a--help" = "a$1" ; then
echo 'nix-reduce-build (paths or Nix expressions) -- (package sources)' >&2
echo As in: >&2
echo nix-reduce-build /etc/nixos/nixos -- ssh://user@somewhere.nowhere.example.org >&2
echo nix-reduce-build /etc/nixos/nixos -- \\
echo " " \''http://somewhere.nowhere.example.org/nix/nix-http-export.cgi?needed_path='\' >&2
echo " store path name will be added into the end of the URL" >&2
echo nix-reduce-build /etc/nixos/nixos -- file://home/user/nar/ >&2
echo " that should be a directory where gzipped 'nix-store --export' ">&2
echo " files are located (they should have .nar.gz extension)" >&2
echo " Or all together: " >&2
echo -e nix-reduce-build /expr.nix /e2.nix -- \\\\\\\n\
" ssh://a@b.example.com http://n.example.com/get-nar?q= file://nar/" >&2
echo " Also supports best-effort local builds of failing expression set:" >&2
echo "nix-reduce-build /e.nix -- nix-daemon:// nix-self://" >&2
echo " nix-daemon:// builds using daemon"
echo " nix-self:// builds directly using nix-store from current installation" >&2
echo " nix-daemon-fixed:// and nix-self-fixed:// do the same, but only for" >&2;
echo "derivations with specified output hash (sha256, sha1 or md5)." >&2
echo " nix-daemon-substitute:// and nix-self-substitute:// try to substitute" >&2;
echo "maximum amount of paths" >&2;
echo " nix-daemon-build:// and nix-self-build:// try to build (not substitute)" >&2;
echo "maximum amount of paths" >&2;
echo " If no package sources are specified, required paths are listed." >&2;
exit;
fi;
while ! test "$1" = "--" || test "$1" = "" ; do
echo "$1" >> initial; >&2
shift;
done
shift;
echo Will work on $(cat initial | wc -l) targets. >&2
while read ; do
case "$REPLY" in
${NIX_STORE_DIR:-/nix/store}/*)
echo "$REPLY" >> paths; >&2
;;
*)
(
IFS=: ;
nix-instantiate $REPLY >> paths;
);
;;
esac;
done < initial;
echo Proceeding $(cat paths | wc -l) paths. >&2
while read; do
case "$REPLY" in
*.drv)
echo "$REPLY" >> derivers; >&2
;;
*)
nix-store --query --deriver "$REPLY" >>derivers;
;;
esac;
done < paths;
echo Found $(cat derivers | wc -l) derivers. >&2
cat derivers | xargs nix-store --query -R > derivers-closure;
echo Proceeding at most $(cat derivers-closure | wc -l) derivers. >&2
cat derivers-closure | egrep '[.]drv$' | xargs nix-store --query --outputs > wanted-paths;
cat derivers-closure | egrep -v '[.]drv$' >> wanted-paths;
echo Prepared $(cat wanted-paths | wc -l) paths to get. >&2
cat wanted-paths | xargs nix-store --check-validity --print-invalid > needed-paths;
echo We need $(cat needed-paths | wc -l) paths. >&2
egrep '[.]drv$' derivers-closure > critical-derivers;
if test -z "$1" ; then
cat needed-paths;
fi;
refresh_critical_derivers() {
echo "Finding needed derivers..." >&2;
cat critical-derivers | while read; do
if ! (nix-store --query --outputs "$REPLY" | xargs nix-store --check-validity &> /dev/null;); then
echo "$REPLY";
fi;
done > new-critical-derivers;
mv new-critical-derivers critical-derivers;
echo The needed paths are realized by $(cat critical-derivers | wc -l) derivers. >&2
}
build_here() {
cat critical-derivers | while read; do
echo "Realising $REPLY using nix-daemon" >&2
@bindir@/nix-store -r "${REPLY}"
done;
}
try_to_substitute(){
cat needed-paths | while read ; do
echo "Building $REPLY using nix-daemon" >&2
@bindir@/nix-store -r "${NIX_STORE_DIR:-/nix/store}/${REPLY##*/}"
done;
}
for i in "$@"; do
sshHost="${i#ssh://}";
httpHost="${i#http://}";
httpsHost="${i#https://}";
filePath="${i#file:/}";
if [ "$i" != "$sshHost" ]; then
cat needed-paths | while read; do
echo "Getting $REPLY and its closure over ssh" >&2
nix-copy-closure --from "$sshHost" --gzip "$REPLY" </dev/null || true;
done;
elif [ "$i" != "$httpHost" ] || [ "$i" != "$httpsHost" ]; then
cat needed-paths | while read; do
echo "Getting $REPLY over http/https" >&2
curl ${BAD_CERTIFICATE:+-k} -L "$i${REPLY##*/}" | gunzip | nix-store --import;
done;
elif [ "$i" != "$filePath" ] ; then
cat needed-paths | while read; do
echo "Installing $REPLY from file" >&2
gunzip < "$filePath/${REPLY##*/}".nar.gz | nix-store --import;
done;
elif [ "$i" = "nix-daemon://" ] ; then
NIX_REMOTE=daemon try_to_substitute;
refresh_critical_derivers;
NIX_REMOTE=daemon build_here;
elif [ "$i" = "nix-self://" ] ; then
NIX_REMOTE= try_to_substitute;
refresh_critical_derivers;
NIX_REMOTE= build_here;
elif [ "$i" = "nix-daemon-fixed://" ] ; then
refresh_critical_derivers;
cat critical-derivers | while read; do
if egrep '"(md5|sha1|sha256)"' "$REPLY" &>/dev/null; then
echo "Realising $REPLY using nix-daemon" >&2
NIX_REMOTE=daemon @bindir@/nix-store -r "${REPLY}"
fi;
done;
elif [ "$i" = "nix-self-fixed://" ] ; then
refresh_critical_derivers;
cat critical-derivers | while read; do
if egrep '"(md5|sha1|sha256)"' "$REPLY" &>/dev/null; then
echo "Realising $REPLY using direct Nix build" >&2
NIX_REMOTE= @bindir@/nix-store -r "${REPLY}"
fi;
done;
elif [ "$i" = "nix-daemon-substitute://" ] ; then
NIX_REMOTE=daemon try_to_substitute;
elif [ "$i" = "nix-self-substitute://" ] ; then
NIX_REMOTE= try_to_substitute;
elif [ "$i" = "nix-daemon-build://" ] ; then
refresh_critical_derivers;
NIX_REMOTE=daemon build_here;
elif [ "$i" = "nix-self-build://" ] ; then
refresh_critical_derivers;
NIX_REMOTE= build_here;
fi;
mv needed-paths wanted-paths;
cat wanted-paths | xargs nix-store --check-validity --print-invalid > needed-paths;
echo We still need $(cat needed-paths | wc -l) paths. >&2
done;
cd /
rm -r "$WORKING_DIRECTORY"

2
scripts/prepare-installer-for-github-actions
View file

@ -3,7 +3,7 @@
set -e
script=$(nix-build -A outputs.hydraJobs.installerScriptForGHA --no-out-link)
installerHash=$(echo $script | cut -b12-43 -)
installerHash=$(echo "$script" | cut -b12-43 -)
installerURL=https://$CACHIX_NAME.cachix.org/serve/$installerHash/install

2
shell.nix
View file

@ -1,3 +1,3 @@
(import (fetchTarball https://github.com/edolstra/flake-compat/archive/master.tar.gz) {
(import (fetchTarball "https://github.com/edolstra/flake-compat/archive/master.tar.gz") {
src = ./.;
}).shellNix

26
src/build-remote/build-remote.cc
View file

@ -18,6 +18,7 @@
#include "derivations.hh"
#include "local-store.hh"
#include "legacy.hh"
#include "experimental-features.hh"
using namespace nix;
using std::cin;
@ -31,7 +32,7 @@ std::string escapeUri(std::string uri)
return uri;
}
static string currentLoad;
static std::string currentLoad;
static AutoCloseFD openSlotLock(const Machine & m, uint64_t slot)
{
@ -96,7 +97,7 @@ static int main_build_remote(int argc, char * * argv)
}
std::optional<StorePath> drvPath;
string storeUri;
std::string storeUri;
while (true) {
@ -130,11 +131,14 @@ static int main_build_remote(int argc, char * * argv)
for (auto & m : machines) {
debug("considering building on remote machine '%s'", m.storeUri);
if (m.enabled && std::find(m.systemTypes.begin(),
m.systemTypes.end(),
neededSystem) != m.systemTypes.end() &&
if (m.enabled
&& (neededSystem == "builtin"
|| std::find(m.systemTypes.begin(),
m.systemTypes.end(),
neededSystem) != m.systemTypes.end()) &&
m.allSupported(requiredFeatures) &&
m.mandatoryMet(requiredFeatures)) {
m.mandatoryMet(requiredFeatures))
{
rightType = true;
AutoCloseFD free;
uint64_t load = 0;
@ -179,7 +183,7 @@ static int main_build_remote(int argc, char * * argv)
else
{
// build the hint template.
string errorText =
std::string errorText =
"Failed to find a machine for remote build!\n"
"derivation: %s\nrequired (system, features): (%s, %s)";
errorText += "\n%s available machines:";
@ -189,7 +193,7 @@ static int main_build_remote(int argc, char * * argv)
errorText += "\n(%s, %s, %s, %s)";
// add the template values.
string drvstr;
std::string drvstr;
if (drvPath.has_value())
drvstr = drvPath->to_string();
else
@ -204,7 +208,7 @@ static int main_build_remote(int argc, char * * argv)
for (auto & m : machines)
error
% concatStringsSep<vector<string>>(", ", m.systemTypes)
% concatStringsSep<std::vector<std::string>>(", ", m.systemTypes)
% m.maxJobs
% concatStringsSep<StringSet>(", ", m.supportedFeatures)
% concatStringsSep<StringSet>(", ", m.mandatoryFeatures);
@ -295,7 +299,7 @@ connected:
std::set<Realisation> missingRealisations;
StorePathSet missingPaths;
if (settings.isExperimentalFeatureEnabled("ca-derivations") && !derivationHasKnownOutputPaths(drv.type())) {
if (settings.isExperimentalFeatureEnabled(Xp::CaDerivations) && !derivationHasKnownOutputPaths(drv.type())) {
for (auto & outputName : wantedOutputs) {
auto thisOutputHash = outputHashes.at(outputName);
auto thisOutputId = DrvOutput{ thisOutputHash, outputName };
@ -327,7 +331,7 @@ connected:
for (auto & realisation : missingRealisations) {
// Should hold, because if the feature isn't enabled the set
// of missing realisations should be empty
settings.requireExperimentalFeature("ca-derivations");
settings.requireExperimentalFeature(Xp::CaDerivations);
store->registerDrvOutput(realisation);
}

18
src/cpptoml/LICENSE
View file

@ -1,18 +0,0 @@
Copyright (c) 2014 Chase Geigle
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

3668
src/cpptoml/cpptoml.h
View file

File diff suppressed because it is too large Load diff

63
src/libcmd/command.cc
View file

@ -54,6 +54,36 @@ void StoreCommand::run()
run(getStore());
}
CopyCommand::CopyCommand()
{
addFlag({
.longName = "from",
.description = "URL of the source Nix store.",
.labels = {"store-uri"},
.handler = {&srcUri},
});
addFlag({
.longName = "to",
.description = "URL of the destination Nix store.",
.labels = {"store-uri"},
.handler = {&dstUri},
});
}
ref<Store> CopyCommand::createStore()
{
return srcUri.empty() ? StoreCommand::createStore() : openStore(srcUri);
}
ref<Store> CopyCommand::getDstStore()
{
if (srcUri.empty() && dstUri.empty())
throw UsageError("you must pass '--from' and/or '--to'");
return dstUri.empty() ? openStore() : openStore(dstUri);
}
EvalCommand::EvalCommand()
{
}
@ -74,7 +104,15 @@ ref<Store> EvalCommand::getEvalStore()
ref<EvalState> EvalCommand::getEvalState()
{
if (!evalState)
evalState = std::make_shared<EvalState>(searchPath, getEvalStore(), getStore());
evalState =
#if HAVE_BOEHMGC
std::allocate_shared<EvalState>(traceable_allocator<EvalState>(),
searchPath, getEvalStore(), getStore())
#else
std::make_shared<EvalState>(
searchPath, getEvalStore(), getStore())
#endif
;
return ref<EvalState>(evalState);
}
@ -120,7 +158,7 @@ void BuiltPathsCommand::run(ref<Store> store)
// XXX: This only computes the store path closure, ignoring
// intermediate realisations
StorePathSet pathsRoots, pathsClosure;
for (auto & root: paths) {
for (auto & root : paths) {
auto rootFromThis = root.outPaths();
pathsRoots.insert(rootFromThis.begin(), rootFromThis.end());
}
@ -138,17 +176,20 @@ StorePathsCommand::StorePathsCommand(bool recursive)
{
}
void StorePathsCommand::run(ref<Store> store, BuiltPaths paths)
void StorePathsCommand::run(ref<Store> store, BuiltPaths && paths)
{
StorePaths storePaths;
for (auto& builtPath : paths)
for (auto& p : builtPath.outPaths())
storePaths.push_back(p);
StorePathSet storePaths;
for (auto & builtPath : paths)
for (auto & p : builtPath.outPaths())
storePaths.insert(p);
run(store, std::move(storePaths));
auto sorted = store->topoSortPaths(storePaths);
std::reverse(sorted.begin(), sorted.end());
run(store, std::move(sorted));
}
void StorePathCommand::run(ref<Store> store, std::vector<StorePath> storePaths)
void StorePathCommand::run(ref<Store> store, std::vector<StorePath> && storePaths)
{
if (storePaths.size() != 1)
throw UsageError("this command requires exactly one store path");
@ -200,10 +241,10 @@ void MixProfile::updateProfile(const BuiltPaths & buildables)
for (auto & buildable : buildables) {
std::visit(overloaded {
[&](BuiltPath::Opaque bo) {
[&](const BuiltPath::Opaque & bo) {
result.push_back(bo.path);
},
[&](BuiltPath::Built bfd) {
[&](const BuiltPath::Built & bfd) {
for (auto & output : bfd.outputs) {
result.push_back(output.second);
}

21
src/libcmd/command.hh
View file

@ -43,6 +43,19 @@ private:
std::shared_ptr<Store> _store;
};
/* A command that copies something between `--from` and `--to`
stores. */
struct CopyCommand : virtual StoreCommand
{
std::string srcUri, dstUri;
CopyCommand();
ref<Store> createStore() override;
ref<Store> getDstStore();
};
struct EvalCommand : virtual StoreCommand, MixEvalArgs
{
EvalCommand();
@ -169,7 +182,7 @@ public:
using StoreCommand::run;
virtual void run(ref<Store> store, BuiltPaths paths) = 0;
virtual void run(ref<Store> store, BuiltPaths && paths) = 0;
void run(ref<Store> store) override;
@ -182,9 +195,9 @@ struct StorePathsCommand : public BuiltPathsCommand
using BuiltPathsCommand::run;
virtual void run(ref<Store> store, std::vector<StorePath> storePaths) = 0;
virtual void run(ref<Store> store, std::vector<StorePath> && storePaths) = 0;
void run(ref<Store> store, BuiltPaths paths) override;
void run(ref<Store> store, BuiltPaths && paths) override;
};
/* A command that operates on exactly one store path. */
@ -194,7 +207,7 @@ struct StorePathCommand : public StorePathsCommand
virtual void run(ref<Store> store, const StorePath & storePath) = 0;
void run(ref<Store> store, std::vector<StorePath> storePaths) override;
void run(ref<Store> store, std::vector<StorePath> && storePaths) override;
};
/* A helper class for registering commands globally. */

104
src/libcmd/installables.cc
View file

@ -97,7 +97,7 @@ MixFlakeOptions::MixFlakeOptions()
lockFlags.writeLockFile = false;
lockFlags.inputOverrides.insert_or_assign(
flake::parseInputPath(inputPath),
parseFlakeRef(flakeRef, absPath(".")));
parseFlakeRef(flakeRef, absPath("."), true));
}}
});
@ -158,7 +158,10 @@ SourceExprCommand::SourceExprCommand()
Strings SourceExprCommand::getDefaultFlakeAttrPaths()
{
return {"defaultPackage." + settings.thisSystem.get()};
return {
"packages." + settings.thisSystem.get() + ".default",
"defaultPackage." + settings.thisSystem.get()
};
}
Strings SourceExprCommand::getDefaultFlakeAttrPathPrefixes()
@ -191,18 +194,21 @@ void SourceExprCommand::completeInstallable(std::string_view prefix)
auto sep = prefix_.rfind('.');
std::string searchWord;
if (sep != std::string::npos) {
searchWord = prefix_.substr(sep, std::string::npos);
searchWord = prefix_.substr(sep + 1, std::string::npos);
prefix_ = prefix_.substr(0, sep);
} else {
searchWord = prefix_;
prefix_ = "";
}
Value &v1(*findAlongAttrPath(*state, prefix_, *autoArgs, root).first);
state->forceValue(v1);
auto [v, pos] = findAlongAttrPath(*state, prefix_, *autoArgs, root);
Value &v1(*v);
state->forceValue(v1, pos);
Value v2;
state->autoCallFunction(*autoArgs, v1, v2);
completionType = ctAttrs;
if (v2.type() == nAttrs) {
for (auto & i : *v2.attrs) {
std::string name = i.name;
@ -232,7 +238,9 @@ void completeFlakeRefWithFragment(
prefix. */
try {
auto hash = prefix.find('#');
if (hash != std::string::npos) {
if (hash == std::string::npos) {
completeFlakeRef(evalState->store, prefix);
} else {
auto fragment = prefix.substr(hash + 1);
auto flakeRefS = std::string(prefix.substr(0, hash));
// FIXME: do tilde expansion.
@ -248,6 +256,8 @@ void completeFlakeRefWithFragment(
flake. */
attrPathPrefixes.push_back("");
completionType = ctAttrs;
for (auto & attrPathPrefixS : attrPathPrefixes) {
auto attrPathPrefix = parseAttrPath(*evalState, attrPathPrefixS);
auto attrPathS = attrPathPrefixS + std::string(fragment);
@ -285,12 +295,13 @@ void completeFlakeRefWithFragment(
} catch (Error & e) {
warn(e.msg());
}
completeFlakeRef(evalState->store, prefix);
}
void completeFlakeRef(ref<Store> store, std::string_view prefix)
{
if (!settings.isExperimentalFeatureEnabled(Xp::Flakes))
return;
if (prefix == "")
completions->add(".");
@ -338,6 +349,18 @@ Installable::getCursor(EvalState & state)
return cursors[0];
}
static StorePath getDeriver(
ref<Store> store,
const Installable & i,
const StorePath & drvPath)
{
auto derivers = store->queryValidDerivers(drvPath);
if (derivers.empty())
throw Error("'%s' does not have a known deriver", i.what());
// FIXME: use all derivers?
return *derivers.begin();
}
struct InstallableStorePath : Installable
{
ref<Store> store;
@ -346,7 +369,7 @@ struct InstallableStorePath : Installable
InstallableStorePath(ref<Store> store, StorePath && storePath)
: store(store), storePath(std::move(storePath)) { }
std::string what() override { return store->printStorePath(storePath); }
std::string what() const override { return store->printStorePath(storePath); }
DerivedPaths toDerivedPaths() override
{
@ -367,6 +390,15 @@ struct InstallableStorePath : Installable
}
}
StorePathSet toDrvPaths(ref<Store> store) override
{
if (storePath.isDerivation()) {
return {storePath};
} else {
return {getDeriver(store, *this, storePath)};
}
}
std::optional<StorePath> getStorePath() override
{
return storePath;
@ -395,6 +427,14 @@ DerivedPaths InstallableValue::toDerivedPaths()
return res;
}
StorePathSet InstallableValue::toDrvPaths(ref<Store> store)
{
StorePathSet res;
for (auto & drv : toDerivations())
res.insert(drv.drvPath);
return res;
}
struct InstallableAttrPath : InstallableValue
{
SourceExprCommand & cmd;
@ -405,12 +445,12 @@ struct InstallableAttrPath : InstallableValue
: InstallableValue(state), cmd(cmd), v(allocRootValue(v)), attrPath(attrPath)
{ }
std::string what() override { return attrPath; }
std::string what() const override { return attrPath; }
std::pair<Value *, Pos> toValue(EvalState & state) override
{
auto [vRes, pos] = findAlongAttrPath(state, attrPath, *cmd.getAutoArgs(state), **v);
state.forceValue(*vRes);
state.forceValue(*vRes, pos);
return {vRes, pos};
}
@ -460,7 +500,7 @@ Value * InstallableFlake::getFlakeOutputs(EvalState & state, const flake::Locked
auto aOutputs = vFlake->attrs->get(state.symbols.create("outputs"));
assert(aOutputs);
state.forceValue(*aOutputs->value);
state.forceValue(*aOutputs->value, [&]() { return aOutputs->value->determinePos(noPos); });
return aOutputs->value;
}
@ -485,7 +525,7 @@ ref<eval_cache::EvalCache> openEvalCache(
auto vFlake = state.allocValue();
flake::callFlake(state, *lockedFlake, *vFlake);
state.forceAttrs(*vFlake);
state.forceAttrs(*vFlake, noPos);
auto aOutputs = vFlake->attrs->get(state.symbols.create("outputs"));
assert(aOutputs);
@ -508,13 +548,14 @@ InstallableFlake::InstallableFlake(
SourceExprCommand * cmd,
ref<EvalState> state,
FlakeRef && flakeRef,
Strings && attrPaths,
Strings && prefixes,
std::string_view fragment,
Strings attrPaths,
Strings prefixes,
const flake::LockFlags & lockFlags)
: InstallableValue(state),
flakeRef(flakeRef),
attrPaths(attrPaths),
prefixes(prefixes),
attrPaths(fragment == "" ? attrPaths : Strings{(std::string) fragment}),
prefixes(fragment == "" ? Strings{} : prefixes),
lockFlags(lockFlags)
{
if (cmd && cmd->getAutoArgs(*state)->size())
@ -529,6 +570,8 @@ std::tuple<std::string, FlakeRef, InstallableValue::DerivationInfo> InstallableF
auto root = cache->getRoot();
for (auto & attrPath : getActualAttrPaths()) {
debug("trying flake output attribute '%s'", attrPath);
auto attr = root->findAlongAttrPath(
parseAttrPath(*state, attrPath),
true
@ -572,7 +615,7 @@ std::pair<Value *, Pos> InstallableFlake::toValue(EvalState & state)
for (auto & attrPath : getActualAttrPaths()) {
try {
auto [v, pos] = findAlongAttrPath(state, attrPath, *emptyArgs, *vOutputs);
state.forceValue(*v);
state.forceValue(*v, pos);
return {v, pos};
} catch (AttrPathNotFound & e) {
}
@ -671,7 +714,8 @@ std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
this,
getEvalState(),
std::move(flakeRef),
fragment == "" ? getDefaultFlakeAttrPaths() : Strings{fragment},
fragment,
getDefaultFlakeAttrPaths(),
getDefaultFlakeAttrPathPrefixes(),
lockFlags));
continue;
@ -697,13 +741,13 @@ std::shared_ptr<Installable> SourceExprCommand::parseInstallable(
BuiltPaths getBuiltPaths(ref<Store> evalStore, ref<Store> store, const DerivedPaths & hopefullyBuiltPaths)
{
BuiltPaths res;
for (auto & b : hopefullyBuiltPaths)
for (const auto & b : hopefullyBuiltPaths)
std::visit(
overloaded{
[&](DerivedPath::Opaque bo) {
[&](const DerivedPath::Opaque & bo) {
res.push_back(BuiltPath::Opaque{bo.path});
},
[&](DerivedPath::Built bfd) {
[&](const DerivedPath::Built & bfd) {
OutputPathMap outputs;
auto drv = evalStore->readDerivation(bfd.drvPath);
auto outputHashes = staticOutputHashes(*evalStore, drv); // FIXME: expensive
@ -714,7 +758,7 @@ BuiltPaths getBuiltPaths(ref<Store> evalStore, ref<Store> store, const DerivedPa
"the derivation '%s' doesn't have an output named '%s'",
store->printStorePath(bfd.drvPath), output);
if (settings.isExperimentalFeatureEnabled(
"ca-derivations")) {
Xp::CaDerivations)) {
auto outputId =
DrvOutput{outputHashes.at(output), output};
auto realisation =
@ -823,19 +867,15 @@ StorePathSet toDerivations(
{
StorePathSet drvPaths;
for (auto & i : installables)
for (auto & b : i->toDerivedPaths())
for (const auto & i : installables)
for (const auto & b : i->toDerivedPaths())
std::visit(overloaded {
[&](DerivedPath::Opaque bo) {
[&](const DerivedPath::Opaque & bo) {
if (!useDeriver)
throw Error("argument '%s' did not evaluate to a derivation", i->what());
auto derivers = store->queryValidDerivers(bo.path);
if (derivers.empty())
throw Error("'%s' does not have a known deriver", i->what());
// FIXME: use all derivers?
drvPaths.insert(*derivers.begin());
drvPaths.insert(getDeriver(store, *i, bo.path));
},
[&](DerivedPath::Built bfd) {
[&](const DerivedPath::Built & bfd) {
drvPaths.insert(bfd.drvPath);
},
}, b.raw());

16
src/libcmd/installables.hh
View file

@ -33,10 +33,15 @@ struct Installable
{
virtual ~Installable() { }
virtual std::string what() = 0;
virtual std::string what() const = 0;
virtual DerivedPaths toDerivedPaths() = 0;
virtual StorePathSet toDrvPaths(ref<Store> store)
{
throw Error("'%s' cannot be converted to a derivation path", what());
}
DerivedPath toDerivedPath();
UnresolvedApp toApp(EvalState & state);
@ -81,6 +86,8 @@ struct InstallableValue : Installable
virtual std::vector<DerivationInfo> toDerivations() = 0;
DerivedPaths toDerivedPaths() override;
StorePathSet toDrvPaths(ref<Store> store) override;
};
struct InstallableFlake : InstallableValue
@ -95,11 +102,12 @@ struct InstallableFlake : InstallableValue
SourceExprCommand * cmd,
ref<EvalState> state,
FlakeRef && flakeRef,
Strings && attrPaths,
Strings && prefixes,
std::string_view fragment,
Strings attrPaths,
Strings prefixes,
const flake::LockFlags & lockFlags);
std::string what() override { return flakeRef.to_string() + "#" + *attrPaths.begin(); }
std::string what() const override { return flakeRef.to_string() + "#" + *attrPaths.begin(); }
std::vector<std::string> getActualAttrPaths();

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