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Merge pull request #6089 from edolstra/dot-default

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Replace defaultBla.$system with bla.$system.default
This commit is contained in:
Eelco Dolstra 2022-02-24 21:16:58 +01:00 committed by GitHub
commit 59683733f5
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19 changed files with 114 additions and 67 deletions
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13
doc/manual/src/release-notes/rl-next.md
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@ -1,5 +1,18 @@
# Release X.Y (202?-??-??) # 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 * `nix bundle` breaking API change now supports bundlers of the form
`bundler.<system>.<name>= derivation: another-derivation;`. This supports `bundler.<system>.<name>= derivation: another-derivation;`. This supports
additional functionality to inspect evaluation information during bundling. A additional functionality to inspect evaluation information during bundling. A

5
src/libcmd/installables.cc
View file

@ -158,7 +158,10 @@ SourceExprCommand::SourceExprCommand()
Strings SourceExprCommand::getDefaultFlakeAttrPaths() Strings SourceExprCommand::getDefaultFlakeAttrPaths()
{ {
return {"defaultPackage." + settings.thisSystem.get()}; return {
"packages." + settings.thisSystem.get() + ".default",
"defaultPackage." + settings.thisSystem.get()
};
} }
Strings SourceExprCommand::getDefaultFlakeAttrPathPrefixes() Strings SourceExprCommand::getDefaultFlakeAttrPathPrefixes()

11
src/nix/bundle.cc
View file

@ -49,9 +49,11 @@ struct CmdBundle : InstallableCommand
Category category() override { return catSecondary; } Category category() override { return catSecondary; }
// FIXME: cut&paste from CmdRun.
Strings getDefaultFlakeAttrPaths() override Strings getDefaultFlakeAttrPaths() override
{ {
Strings res{ Strings res{
"apps." + settings.thisSystem.get() + ".default",
"defaultApp." + settings.thisSystem.get() "defaultApp." + settings.thisSystem.get()
}; };
for (auto & s : SourceExprCommand::getDefaultFlakeAttrPaths()) for (auto & s : SourceExprCommand::getDefaultFlakeAttrPaths())
@ -61,10 +63,7 @@ struct CmdBundle : InstallableCommand
Strings getDefaultFlakeAttrPathPrefixes() override Strings getDefaultFlakeAttrPathPrefixes() override
{ {
Strings res{ Strings res{"apps." + settings.thisSystem.get() + "."};
"apps." + settings.thisSystem.get() + "."
};
for (auto & s : SourceExprCommand::getDefaultFlakeAttrPathPrefixes()) for (auto & s : SourceExprCommand::getDefaultFlakeAttrPathPrefixes())
res.push_back(s); res.push_back(s);
return res; return res;
@ -80,7 +79,9 @@ struct CmdBundle : InstallableCommand
const flake::LockFlags lockFlags{ .writeLockFile = false }; const flake::LockFlags lockFlags{ .writeLockFile = false };
InstallableFlake bundler{this, InstallableFlake bundler{this,
evalState, std::move(bundlerFlakeRef), bundlerName, evalState, std::move(bundlerFlakeRef), bundlerName,
{"defaultBundler." + settings.thisSystem.get()}, {"bundlers." + settings.thisSystem.get() + ".default",
"defaultBundler." + settings.thisSystem.get()
},
{"bundlers." + settings.thisSystem.get() + "."}, {"bundlers." + settings.thisSystem.get() + "."},
lockFlags lockFlags
}; };

14
src/nix/bundle.md
View file

@ -42,24 +42,26 @@ homepage](https://github.com/NixOS/bundlers) for more details.
If no flake output attribute is given, `nix bundle` tries the following If no flake output attribute is given, `nix bundle` tries the following
flake output attributes: flake output attributes:
* `defaultBundler.<system>` * `bundlers.<system>.default`
If an attribute *name* is given, `nix run` tries the following flake If an attribute *name* is given, `nix run` tries the following flake
output attributes: output attributes:
* `bundler.<system>.<name>` * `bundlers.<system>.<name>`
# Bundlers # Bundlers
A bundler is specified by a flake output attribute named A bundler is specified by a flake output attribute named
`bundlers.<system>.<name>` or `defaultBundler.<system>`. It looks like this: `bundlers.<system>.<name>`. It looks like this:
```nix ```nix
bundlers.x86_64-linux.identity = drv: drv; bundlers.x86_64-linux = rec {
identity = drv: drv;
bundlers.x86_64-linux.blender_2_79 = drv: self.packages.x86_64-linux.blender_2_79; blender_2_79 = drv: self.packages.x86_64-linux.blender_2_79;
defaultBundler.x86_64-linux = drv: drv; default = identity;
};
``` ```
A bundler must be a function that accepts an arbitrary value (typically a A bundler must be a function that accepts an arbitrary value (typically a

9
src/nix/develop.cc
View file

@ -325,8 +325,15 @@ struct Common : InstallableCommand, MixProfile
Strings getDefaultFlakeAttrPaths() override Strings getDefaultFlakeAttrPaths() override
{ {
return {"devShell." + settings.thisSystem.get(), "defaultPackage." + settings.thisSystem.get()}; Strings paths{
"devShells." + settings.thisSystem.get() + ".default",
"devShell." + settings.thisSystem.get(),
};
for (auto & p : SourceExprCommand::getDefaultFlakeAttrPaths())
paths.push_back(p);
return paths;
} }
Strings getDefaultFlakeAttrPathPrefixes() override Strings getDefaultFlakeAttrPathPrefixes() override
{ {
auto res = SourceExprCommand::getDefaultFlakeAttrPathPrefixes(); auto res = SourceExprCommand::getDefaultFlakeAttrPathPrefixes();

4
src/nix/develop.md
View file

@ -88,9 +88,9 @@ the flake's `nixConfig` attribute.
If no flake output attribute is given, `nix develop` tries the following If no flake output attribute is given, `nix develop` tries the following
flake output attributes: flake output attributes:
* `devShell.<system>` * `devShells.<system>.default`
* `defaultPackage.<system>` * `packages.<system>.default`
If a flake output *name* is given, `nix develop` tries the following flake If a flake output *name* is given, `nix develop` tries the following flake
output attributes: output attributes:

8
src/nix/flake-init.md
View file

@ -24,13 +24,13 @@ R""(
This command creates a flake in the current directory by copying the This command creates a flake in the current directory by copying the
files of a template. It will not overwrite existing files. The default files of a template. It will not overwrite existing files. The default
template is `templates#defaultTemplate`, but this can be overridden template is `templates#templates.default`, but this can be overridden
using `-t`. using `-t`.
# Template definitions # Template definitions
A flake can declare templates through its `templates` and A flake can declare templates through its `templates` output
`defaultTemplate` output attributes. A template has two attributes: attribute. A template has two attributes:
* `description`: A one-line description of the template, in CommonMark * `description`: A one-line description of the template, in CommonMark
syntax. syntax.
@ -61,7 +61,7 @@ outputs = { self }: {
''; '';
}; };
templates.defaultTemplate = self.templates.rust; templates.default = self.templates.rust;
} }
``` ```

11
src/nix/flake-show.md
View file

@ -13,10 +13,13 @@ R""(
│ │ └───build: derivation 'patchelf-0.12.20201207.f34751b' │ │ └───build: derivation 'patchelf-0.12.20201207.f34751b'
│ └───x86_64-linux │ └───x86_64-linux
│ └───build: derivation 'patchelf-0.12.20201207.f34751b' │ └───build: derivation 'patchelf-0.12.20201207.f34751b'
├───defaultPackage ├───packages
│ ├───aarch64-linux: package 'patchelf-0.12.20201207.f34751b' │ ├───aarch64-linux
│ ├───i686-linux: package 'patchelf-0.12.20201207.f34751b' │ │ └───default: package 'patchelf-0.12.20201207.f34751b'
│ └───x86_64-linux: package 'patchelf-0.12.20201207.f34751b' │ ├───i686-linux
│ │ └───default: package 'patchelf-0.12.20201207.f34751b'
│ └───x86_64-linux
│ └───default: package 'patchelf-0.12.20201207.f34751b'
├───hydraJobs ├───hydraJobs
│ ├───build │ ├───build
│ │ ├───aarch64-linux: derivation 'patchelf-0.12.20201207.f34751b' │ │ ├───aarch64-linux: derivation 'patchelf-0.12.20201207.f34751b'

13
src/nix/flake.cc
View file

@ -501,6 +501,17 @@ struct CmdFlakeCheck : FlakeCommand
state->forceValue(vOutput, pos); state->forceValue(vOutput, pos);
std::string_view replacement =
name == "defaultPackage" ? "packages.<system>.default" :
name == "defaultApps" ? "apps.<system>.default" :
name == "defaultTemplate" ? "templates.default" :
name == "defaultBundler" ? "bundlers.<system>.default" :
name == "overlay" ? "overlays.default" :
name == "devShell" ? "devShells.<system>.default" :
"";
if (replacement != "")
warn("flake output attribute '%s' is deprecated; use '%s' instead", name, replacement);
if (name == "checks") { if (name == "checks") {
state->forceAttrs(vOutput, pos); state->forceAttrs(vOutput, pos);
for (auto & attr : *vOutput.attrs) { for (auto & attr : *vOutput.attrs) {
@ -651,7 +662,7 @@ struct CmdFlakeCheck : FlakeCommand
}; };
static Strings defaultTemplateAttrPathsPrefixes{"templates."}; static Strings defaultTemplateAttrPathsPrefixes{"templates."};
static Strings defaultTemplateAttrPaths = {"defaultTemplate"}; static Strings defaultTemplateAttrPaths = {"templates.default", "defaultTemplate"};
struct CmdFlakeInitCommon : virtual Args, EvalCommand struct CmdFlakeInitCommon : virtual Args, EvalCommand
{ {

2
src/nix/flake.md
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@ -268,7 +268,7 @@ derivation):
outputs = { self, nixpkgs }: { outputs = { self, nixpkgs }: {
defaultPackage.x86_64-linux = packages.x86_64-linux.default =
# Notice the reference to nixpkgs here. # Notice the reference to nixpkgs here.
with import nixpkgs { system = "x86_64-linux"; }; with import nixpkgs { system = "x86_64-linux"; };
stdenv.mkDerivation { stdenv.mkDerivation {

6
src/nix/nix.md
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@ -97,11 +97,9 @@ the Nix store. Here are the recognised types of installables:
For example, if `/foo/bar/flake.nix` exists, then `/foo/bar/baz/` will resolve to For example, if `/foo/bar/flake.nix` exists, then `/foo/bar/baz/` will resolve to
`path:/foo/bar` `path:/foo/bar`
If *attrpath* is omitted, Nix tries some default values; for most If *attrpath* is omitted, Nix tries some default values; for most
subcommands, the default is `defaultPackage.`*system* subcommands, the default is `packages.`*system*`.default`
(e.g. `defaultPackage.x86_64-linux`), but some subcommands have (e.g. `packages.x86_64-linux.default`), but some subcommands have
other defaults. If *attrpath* *is* specified, *attrpath* is other defaults. If *attrpath* *is* specified, *attrpath* is
interpreted as relative to one or more prefixes; for most interpreted as relative to one or more prefixes; for most
subcommands, these are `packages.`*system*, subcommands, these are `packages.`*system*,

2
src/nix/profile-list.md
View file

@ -8,7 +8,7 @@ R""(
# nix profile list # nix profile list
0 flake:nixpkgs#legacyPackages.x86_64-linux.spotify github:NixOS/nixpkgs/c23db78bbd474c4d0c5c3c551877523b4a50db06#legacyPackages.x86_64-linux.spotify /nix/store/akpdsid105phbbvknjsdh7hl4v3fhjkr-spotify-1.1.46.916.g416cacf1 0 flake:nixpkgs#legacyPackages.x86_64-linux.spotify github:NixOS/nixpkgs/c23db78bbd474c4d0c5c3c551877523b4a50db06#legacyPackages.x86_64-linux.spotify /nix/store/akpdsid105phbbvknjsdh7hl4v3fhjkr-spotify-1.1.46.916.g416cacf1
1 flake:nixpkgs#legacyPackages.x86_64-linux.zoom-us github:NixOS/nixpkgs/c23db78bbd474c4d0c5c3c551877523b4a50db06#legacyPackages.x86_64-linux.zoom-us /nix/store/89pmjmbih5qpi7accgacd17ybpgp4xfm-zoom-us-5.4.53350.1027 1 flake:nixpkgs#legacyPackages.x86_64-linux.zoom-us github:NixOS/nixpkgs/c23db78bbd474c4d0c5c3c551877523b4a50db06#legacyPackages.x86_64-linux.zoom-us /nix/store/89pmjmbih5qpi7accgacd17ybpgp4xfm-zoom-us-5.4.53350.1027
2 flake:blender-bin#defaultPackage.x86_64-linux github:edolstra/nix-warez/d09d7eea893dcb162e89bc67f6dc1ced14abfc27?dir=blender#defaultPackage.x86_64-linux /nix/store/zfgralhqjnam662kqsgq6isjw8lhrflz-blender-bin-2.91.0 2 flake:blender-bin#packages.x86_64-linux.default github:edolstra/nix-warez/d09d7eea893dcb162e89bc67f6dc1ced14abfc27?dir=blender#packages.x86_64-linux.default /nix/store/zfgralhqjnam662kqsgq6isjw8lhrflz-blender-bin-2.91.0
``` ```
# Description # Description

2
src/nix/profile.md
View file

@ -96,7 +96,7 @@ has the following fields:
user specified, but the one resulting from applying the default user specified, but the one resulting from applying the default
attribute paths and prefixes; for instance, `hello` might resolve to attribute paths and prefixes; for instance, `hello` might resolve to
`packages.x86_64-linux.hello` and the empty string to `packages.x86_64-linux.hello` and the empty string to
`defaultPackage.x86_64-linux`. `packages.x86_64-linux.default`.
* `storePath`: The paths in the Nix store containing the package. * `storePath`: The paths in the Nix store containing the package.

5
src/nix/run.cc
View file

@ -158,7 +158,10 @@ struct CmdRun : InstallableCommand
Strings getDefaultFlakeAttrPaths() override Strings getDefaultFlakeAttrPaths() override
{ {
Strings res{"defaultApp." + settings.thisSystem.get()}; Strings res{
"apps." + settings.thisSystem.get() + ".default",
"defaultApp." + settings.thisSystem.get(),
};
for (auto & s : SourceExprCommand::getDefaultFlakeAttrPaths()) for (auto & s : SourceExprCommand::getDefaultFlakeAttrPaths())
res.push_back(s); res.push_back(s);
return res; return res;

6
src/nix/run.md
View file

@ -58,9 +58,9 @@ For instance, if `name` is set to `hello-1.10`, `nix run` will run
If no flake output attribute is given, `nix run` tries the following If no flake output attribute is given, `nix run` tries the following
flake output attributes: flake output attributes:
* `defaultApp.<system>` * `apps.<system>.default`
* `defaultPackage.<system>` * `packages.<system>.default`
If an attribute *name* is given, `nix run` tries the following flake If an attribute *name* is given, `nix run` tries the following flake
output attributes: output attributes:
@ -74,7 +74,7 @@ output attributes:
# Apps # Apps
An app is specified by a flake output attribute named An app is specified by a flake output attribute named
`apps.<system>.<name>` or `defaultApp.<system>`. It looks like this: `apps.<system>.<name>`. It looks like this:
```nix ```nix
apps.x86_64-linux.blender_2_79 = { apps.x86_64-linux.blender_2_79 = {

20
tests/flake-bundler.sh
View file

@ -10,13 +10,15 @@ cd $TEST_HOME
cat <<EOF > flake.nix cat <<EOF > flake.nix
{ {
outputs = {self}: { outputs = {self}: {
bundlers.$system.simple = drv: bundlers.$system = rec {
simple = drv:
if drv?type && drv.type == "derivation" if drv?type && drv.type == "derivation"
then drv then drv
else self.defaultPackage.$system; else self.packages.$system.default;
defaultBundler.$system = self.bundlers.$system.simple; default = simple;
defaultPackage.$system = import ./simple.nix; };
defaultApp.$system = { packages.$system.default = import ./simple.nix;
apps.$system.default = {
type = "app"; type = "app";
program = "\${import ./simple.nix}/hello"; program = "\${import ./simple.nix}/hello";
}; };
@ -25,11 +27,11 @@ cat <<EOF > flake.nix
EOF EOF
nix build .# nix build .#
nix bundle --bundler .# .# nix bundle --bundler .# .#
nix bundle --bundler .#defaultBundler.$system .#defaultPackage.$system nix bundle --bundler .#bundlers.$system.default .#packages.$system.default
nix bundle --bundler .#bundlers.$system.simple .#defaultPackage.$system nix bundle --bundler .#bundlers.$system.simple .#packages.$system.default
nix bundle --bundler .#defaultBundler.$system .#defaultApp.$system nix bundle --bundler .#bundlers.$system.default .#apps.$system.default
nix bundle --bundler .#bundlers.$system.simple .#defaultApp.$system nix bundle --bundler .#bundlers.$system.simple .#apps.$system.default
clearStore clearStore

2
tests/flake-local-settings.sh
View file

@ -21,7 +21,7 @@ cat <<EOF > flake.nix
nixConfig.allow-dirty = false; # See #5621 nixConfig.allow-dirty = false; # See #5621
outputs = a: { outputs = a: {
defaultPackage.$system = import ./simple.nix; packages.$system.default = import ./simple.nix;
}; };
} }
EOF EOF

6
tests/flake-searching.sh
View file

@ -15,8 +15,10 @@ cat <<EOF > flake.nix
{ {
inputs.foo.url = "$PWD/foo"; inputs.foo.url = "$PWD/foo";
outputs = a: { outputs = a: {
defaultPackage.$system = import ./simple.nix; packages.$system = rec {
packages.$system.test = import ./simple.nix; test = import ./simple.nix;
default = test;
};
}; };
} }
EOF EOF

36
tests/flakes.sh
View file

@ -41,8 +41,10 @@ cat > $flake1Dir/flake.nix <<EOF
description = "Bla bla"; description = "Bla bla";
outputs = inputs: rec { outputs = inputs: rec {
packages.$system.foo = import ./simple.nix; packages.$system = rec {
defaultPackage.$system = packages.$system.foo; foo = import ./simple.nix;
default = foo;
};
# To test "nix flake init". # To test "nix flake init".
legacyPackages.x86_64-linux.hello = import ./simple.nix; legacyPackages.x86_64-linux.hello = import ./simple.nix;
@ -128,7 +130,7 @@ hash2=$(nix flake metadata flake1 --json --refresh | jq -r .revision)
nix build -o $TEST_ROOT/result flake1#foo nix build -o $TEST_ROOT/result flake1#foo
[[ -e $TEST_ROOT/result/hello ]] [[ -e $TEST_ROOT/result/hello ]]
# Test defaultPackage. # Test packages.default.
nix build -o $TEST_ROOT/result flake1 nix build -o $TEST_ROOT/result flake1
[[ -e $TEST_ROOT/result/hello ]] [[ -e $TEST_ROOT/result/hello ]]
@ -140,11 +142,11 @@ nix build -o $flake1Dir/result git+file://$flake1Dir
nix path-info $flake1Dir/result nix path-info $flake1Dir/result
# 'getFlake' on a mutable flakeref should fail in pure mode, but succeed in impure mode. # 'getFlake' on a mutable flakeref should fail in pure mode, but succeed in impure mode.
(! nix build -o $TEST_ROOT/result --expr "(builtins.getFlake \"$flake1Dir\").defaultPackage.$system") (! nix build -o $TEST_ROOT/result --expr "(builtins.getFlake \"$flake1Dir\").packages.$system.default")
nix build -o $TEST_ROOT/result --expr "(builtins.getFlake \"$flake1Dir\").defaultPackage.$system" --impure nix build -o $TEST_ROOT/result --expr "(builtins.getFlake \"$flake1Dir\").packages.$system.default" --impure
# 'getFlake' on an immutable flakeref should succeed even in pure mode. # 'getFlake' on an immutable flakeref should succeed even in pure mode.
nix build -o $TEST_ROOT/result --expr "(builtins.getFlake \"git+file://$flake1Dir?rev=$hash2\").defaultPackage.$system" nix build -o $TEST_ROOT/result --expr "(builtins.getFlake \"git+file://$flake1Dir?rev=$hash2\").packages.$system.default"
# Building a flake with an unlocked dependency should fail in pure mode. # Building a flake with an unlocked dependency should fail in pure mode.
(! nix build -o $TEST_ROOT/result flake2#bar --no-registries) (! nix build -o $TEST_ROOT/result flake2#bar --no-registries)
@ -370,13 +372,13 @@ cat > $templatesDir/flake.nix <<EOF
description = "Some templates"; description = "Some templates";
outputs = { self }: { outputs = { self }: {
templates = { templates = rec {
trivial = { trivial = {
path = ./trivial; path = ./trivial;
description = "A trivial flake"; description = "A trivial flake";
}; };
default = trivial;
}; };
defaultTemplate = self.templates.trivial;
}; };
} }
EOF EOF
@ -388,8 +390,10 @@ cat > $templatesDir/trivial/flake.nix <<EOF
description = "A flake for building Hello World"; description = "A flake for building Hello World";
outputs = { self, nixpkgs }: { outputs = { self, nixpkgs }: {
packages.x86_64-linux.hello = nixpkgs.legacyPackages.x86_64-linux.hello; packages.x86_64-linux = rec {
defaultPackage.x86_64-linux = self.packages.x86_64-linux.hello; hello = nixpkgs.legacyPackages.x86_64-linux.hello;
default = hello;
};
}; };
} }
EOF EOF
@ -496,17 +500,15 @@ EOF
cat > $flake3Dir/flake.nix <<EOF cat > $flake3Dir/flake.nix <<EOF
{ {
outputs = { flake1, self }: { outputs = { flake1, self }: {
defaultPackage = { packages.system-1.default = "foo";
system-1 = "foo"; packages.system-2.default = "bar";
system-2 = "bar";
};
}; };
} }
EOF EOF
checkRes=$(nix flake check --keep-going $flake3Dir 2>&1 && fail "nix flake check should have failed" || true) checkRes=$(nix flake check --keep-going $flake3Dir 2>&1 && fail "nix flake check should have failed" || true)
echo "$checkRes" | grep -q "defaultPackage.system-1" echo "$checkRes" | grep -q "packages.system-1.default"
echo "$checkRes" | grep -q "defaultPackage.system-2" echo "$checkRes" | grep -q "packages.system-2.default"
# Test 'follows' inputs. # Test 'follows' inputs.
cat > $flake3Dir/flake.nix <<EOF cat > $flake3Dir/flake.nix <<EOF
@ -591,7 +593,7 @@ mkdir $flake5Dir
cat > $flake5Dir/flake.nix <<EOF cat > $flake5Dir/flake.nix <<EOF
{ {
outputs = { self, flake1 }: { outputs = { self, flake1 }: {
defaultPackage.$system = flake1.defaultPackage.$system; packages.$system.default = flake1.packages.$system.default;
expr = assert builtins.pathExists ./flake.lock; 123; expr = assert builtins.pathExists ./flake.lock; 123;
}; };
} }