44 lines
1.3 KiB
Nix
44 lines
1.3 KiB
Nix
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{
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lib,
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haskell,
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haskellPackages,
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runCommand,
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}:
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let
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localRaw = haskellPackages.callPackage ./generated.nix { };
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in
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lib.recurseIntoAttrs rec {
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helloFromCabalSdist = haskellPackages.buildFromCabalSdist haskellPackages.hello;
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# A more complicated example with a cabal hook.
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hercules-ci-cnix-store = haskellPackages.buildFromCabalSdist haskellPackages.hercules-ci-cnix-store;
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localFromCabalSdist = haskellPackages.buildFromCabalSdist localRaw;
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# This test makes sure that localHasNoDirectReference can actually fail if
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# it doesn't do anything. If this test fails, either the test setup was broken,
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# or Haskell packaging has changed the way `src` is treated in such a way that
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# either the test or the design of `buildFromCabalSdist` needs to be reconsidered.
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assumptionLocalHasDirectReference =
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runCommand "localHasDirectReference"
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{
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drvPath = builtins.unsafeDiscardOutputDependency localRaw.drvPath;
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}
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''
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grep ${localRaw.src} $drvPath >/dev/null
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touch $out
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'';
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localHasNoDirectReference =
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runCommand "localHasNoDirectReference"
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{
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drvPath = builtins.unsafeDiscardOutputDependency localFromCabalSdist.drvPath;
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}
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''
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grep -v ${localRaw.src} $drvPath >/dev/null
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touch $out
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'';
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}
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