42 lines
1.4 KiB
Bash
42 lines
1.4 KiB
Bash
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source common.sh
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# Ensures that nix build will deliver a usable error message when it encounters
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# a build failure potentially caused by allowSubstitutes.
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clearStore
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cd $TEST_HOME
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putDrv() {
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cat > "$1" <<EOF
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builtins.derivation {
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name = "meow";
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builder = "/bin/sh";
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args = [];
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system = "unicornsandrainbows-linux";
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allowSubstitutes = ${2};
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preferLocalBuild = true;
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}
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EOF
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}
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putDrv drv-disallow-substitutes.nix false
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putDrv drv-allow-substitutes.nix true
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expect 1 nix build --substitute --substituters '' --offline -f drv-disallow-substitutes.nix 2> output.txt
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# error: a 'unicornsandrainbows-linux' with features {} is required to build '$TMPDIR/regression-484/store/...-meow.drv', but I am a 'x86_64-linux' with features {benchmark, big-parallel, kvm, nixos-test, uid-range}
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#
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# Hint: the failing derivation has allowSubstitutes set to false, forcing it to be built rather than substituted.
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# Passing --always-allow-substitutes to force substitution may resolve this failure if the path is available in a substituter.
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cat output.txt
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grepQuiet unicornsandrainbows-linux output.txt
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grepQuiet always-allow-substitutes output.txt
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grepQuiet allowSubstitutes output.txt
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expect 1 nix build --substitute --substituters '' --offline -f drv-allow-substitutes.nix 2> output.txt
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cat output.txt
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grepQuiet unicornsandrainbows-linux output.txt
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grepQuiet -v allowSubstitutes output.txt
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