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93d68e18e5
Now that we have a few things identifying content address methods by name, we should be consistent about it. Move up the `parseHashAlgoOpt` for tidiness too. Discussed this change for consistency's sake as part of #8876 Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
70 lines
2.4 KiB
Nix
70 lines
2.4 KiB
Nix
with import ./config.nix;
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rec {
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f2 = dummy: builder: mode: algo: hash: mkDerivation {
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name = "fixed";
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inherit builder;
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outputHashMode = mode;
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outputHashAlgo = algo;
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outputHash = hash;
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inherit dummy;
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impureEnvVars = ["IMPURE_VAR1" "IMPURE_VAR2"];
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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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];
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# Expression to test that `nix-build --check` also throws an error if the hash of
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# fixed-output derivation has changed even if the hash exists in the store (in this
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# case the hash exists because of `fixed.builder2.sh`, but building a derivation
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# with the same hash and a different result must throw an error).
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check = [
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(f ./fixed.builder1.sh "recursive" "md5" "3670af73070fa14077ad74e0f5ea4e42")
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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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sameAsAdd =
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f ./fixed.builder2.sh "recursive" "sha256" "1ixr6yd3297ciyp9im522dfxpqbkhcw0pylkb2aab915278fqaik";
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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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badReferences = mkDerivation rec {
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name = "bad-hash";
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builder = script;
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script = builtins.toFile "installer.sh" "echo $script >$out";
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outputHash = "1ixr6yd3297ciyp9im522dfxpqbkhcw0pylkb2aab915278fqaik";
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outputHashAlgo = "sha256";
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outputHashMode = "flat";
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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 "recursive" "md5" "3670af73070fa14077ad74e0f5ea4e42")
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(f2 "bar" ./fixed.builder2.sh "recursive" "md5" "3670af73070fa14077ad74e0f5ea4e42")
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];
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# Can use "nar" instead of "recursive" now.
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nar-not-recursive = f2 "foo" ./fixed.builder2.sh "nar" "md5" "3670af73070fa14077ad74e0f5ea4e42";
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}
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