Eelco Dolstra
455a7b9577
derivations that produce the same output path don't work properly wrt locking. This happens a lot in the build farm when fetchurl derivations downloading the same file on different platforms are executed in parallel and then copied back to the main machine.
48 lines
1.5 KiB
Plaintext
48 lines
1.5 KiB
Plaintext
rec {
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f2 = dummy: builder: mode: algo: hash: derivation {
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name = "fixed";
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system = "@system@";
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builder = "@shell@";
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args = ["-e" "-x" builder];
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outputHashMode = mode;
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outputHashAlgo = algo;
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outputHash = hash;
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PATH = "@testPath@";
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inherit dummy;
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};
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f = f2 "";
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good = [
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(f ./fixed.builder1.sh "flat" "md5" "8ddd8be4b179a529afa5f2ffae4b9858")
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(f ./fixed.builder1.sh "flat" "sha1" "a0b65939670bc2c010f4d5d6a0b3e4e4590fb92b")
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(f ./fixed.builder2.sh "recursive" "md5" "3670af73070fa14077ad74e0f5ea4e42")
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(f ./fixed.builder2.sh "recursive" "sha1" "vw46m23bizj4n8afrc0fj19wrp7mj3c0")
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(f ./fixed.builder2.sh "recursive" "sha256" "1ixr6yd3297ciyp9im522dfxpqbkhcw0pylkb2aab915278fqaik")
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];
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good2 = [
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# Yes, this looks fscked up: builder2 doesn't have that result.
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# But Nix sees that an output with the desired hash already
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# exists, and will refrain from building it.
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(f ./fixed.builder2.sh "flat" "md5" "8ddd8be4b179a529afa5f2ffae4b9858")
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];
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bad = [
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(f ./fixed.builder1.sh "flat" "md5" "0ddd8be4b179a529afa5f2ffae4b9858")
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];
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reallyBad = [
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# Hash too short, and not base-32 either.
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(f ./fixed.builder1.sh "flat" "md5" "ddd8be4b179a529afa5f2ffae4b9858")
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];
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# Test for building two derivations in parallel that produce the
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# same output path because they're fixed-output derivations.
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parallelSame = [
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(f2 "foo" ./fixed.builder2.sh "flat" "md5" "3670af73070fa14077ad74e0f5ea4e42")
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(f2 "bar" ./fixed.builder2.sh "flat" "md5" "3670af73070fa14077ad74e0f5ea4e42")
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];
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} |