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Improve error message for fixed-outputs with references.

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This codepath is possible, e.g. with a dockerTools.pullImage of an image with a Nix store.
This commit is contained in:
Shea Levy 2023-12-24 06:44:56 -05:00
parent e23983db82
commit eeb2f083c5
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3 changed files with 16 additions and 1 deletions
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9
tests/functional/fixed.nix
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@ -48,6 +48,15 @@ rec {
(f ./fixed.builder1.sh "flat" "md5" "ddd8be4b179a529afa5f2ffae4b9858")
];
badReferences = mkDerivation rec {
name = "bad-hash";
builder = script;
script = builtins.toFile "installer.sh" "echo $script >$out";
outputHash = "1ixr6yd3297ciyp9im522dfxpqbkhcw0pylkb2aab915278fqaik";
outputHashAlgo = "sha256";
outputHashMode = "flat";
};
# Test for building two derivations in parallel that produce the
# same output path because they're fixed-output derivations.
parallelSame = [

3
tests/functional/fixed.sh
View file

@ -26,6 +26,9 @@ nix-build fixed.nix -A good2 --no-out-link
echo 'testing reallyBad...'
nix-instantiate fixed.nix -A reallyBad && fail "should fail"
echo 'testing fixed with references...'
expectStderr 1 nix-build fixed.nix -A badReferences | grepQuiet "not allowed to refer to other store paths"
# While we're at it, check attribute selection a bit more.
echo 'testing attribute selection...'
test $(nix-instantiate fixed.nix -A good.1 | wc -l) = 1