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d4dcffd643
In this mode, the following restrictions apply:
* The builtins currentTime, currentSystem and storePath throw an
error.
* $NIX_PATH and -I are ignored.
* fetchGit and fetchMercurial require a revision hash.
* fetchurl and fetchTarball require a sha256 attribute.
* No file system access is allowed outside of the paths returned by
fetch{Git,Mercurial,url,Tarball}. Thus 'nix build -f ./foo.nix' is
not allowed.
Thus, the evaluation result is completely reproducible from the
command line arguments. E.g.
nix build --pure-eval '(
let
nix = fetchGit { url = https://github.com/NixOS/nixpkgs.git; rev = "9c927de4b179a6dd210dd88d34bda8af4b575680"; };
nixpkgs = fetchGit { url = https://github.com/NixOS/nixpkgs.git; ref = "release-17.09"; rev = "66b4de79e3841530e6d9c6baf98702aa1f7124e4"; };
in (import (nix + "/release.nix") { inherit nix nixpkgs; }).build.x86_64-linux
)'
The goal is to enable completely reproducible and traceable
evaluation. For example, a NixOS configuration could be fully
described by a single Git commit hash. 'nixos-rebuild' would do
something like
nix build --pure-eval '(
(import (fetchGit { url = file:///my-nixos-config; rev = "..."; })).system
')
where the Git repository /my-nixos-config would use further fetchGit
calls or Git externals to fetch Nixpkgs and whatever other
dependencies it has. Either way, the commit hash would uniquely
identify the NixOS configuration and allow it to reproduced.
45 lines
1 KiB
Makefile
45 lines
1 KiB
Makefile
# Run program $1 as part of ‘make installcheck’.
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define run-install-test
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installcheck: $1
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_installcheck-list += $1
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endef
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# Color code from https://unix.stackexchange.com/a/10065
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installcheck:
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@total=0; failed=0; \
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red=""; \
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green=""; \
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yellow=""; \
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normal=""; \
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if [ -t 1 ]; then \
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red="[31;1m"; \
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green="[32;1m"; \
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yellow="[33;1m"; \
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normal="[m"; \
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fi; \
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for i in $(_installcheck-list); do \
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total=$$((total + 1)); \
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printf "running test $$i..."; \
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log="$$(cd $$(dirname $$i) && $(tests-environment) $$(basename $$i) 2>&1)"; \
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status=$$?; \
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if [ $$status -eq 0 ]; then \
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echo " [$${green}PASS$$normal]"; \
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elif [ $$status -eq 99 ]; then \
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echo " [$${yellow}SKIP$$normal]"; \
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else \
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echo " [$${red}FAIL$$normal]"; \
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echo "$$log" | sed 's/^/ /'; \
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failed=$$((failed + 1)); \
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fi; \
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done; \
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if [ "$$failed" != 0 ]; then \
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echo "$${red}$$failed out of $$total tests failed $$normal"; \
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exit 1; \
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else \
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echo "$${green}All tests succeeded$$normal"; \
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fi
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.PHONY: check installcheck
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