9cc4b19ee6
The current version of linear (1.22) has incorrect constraints in its cabal file (which has been corrected in a revision), so it is causing this test to fail. This commit just switches to another arbitrary package (cereal) for the tests.
58 lines
2.0 KiB
Nix
58 lines
2.0 KiB
Nix
{ lib, writeText, haskellPackages, cabal-install }:
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(haskellPackages.shellFor {
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packages = p: [ p.constraints p.cereal ];
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# WARNING: When updating this, make sure that the libraries passed to
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# `extraDependencies` are not actually transitive dependencies of libraries in
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# `packages` above. We explicitly want to test that it is possible to specify
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# `extraDependencies` that are not in the closure of `packages`.
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extraDependencies = p: { libraryHaskellDepends = [ p.conduit ]; };
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nativeBuildInputs = [ cabal-install ];
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phases = [ "unpackPhase" "buildPhase" "installPhase" ];
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unpackPhase = ''
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sourceRoot=$(pwd)/scratch
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mkdir -p "$sourceRoot"
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cd "$sourceRoot"
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tar -xf ${haskellPackages.constraints.src}
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tar -xf ${haskellPackages.cereal.src}
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cp ${writeText "cabal.project" "packages: constraints* cereal*"} cabal.project
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'';
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buildPhase = ''
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export HOME=$(mktemp -d)
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mkdir -p $HOME/.cabal
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touch $HOME/.cabal/config
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# Check that the extraDependencies.libraryHaskellDepends arg is correctly
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# picked up. This uses ghci to interpret a small Haskell program that uses
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# a package from extraDependencies.
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ghci <<EOF
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:set -XOverloadedStrings
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:m + Conduit
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runResourceT $ connect (yield "done") (sinkFile "outfile")
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EOF
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if [[ "done" != "$(cat outfile)" ]]; then
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echo "ERROR: extraDependencies appear not to be available in the environment"
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exit 1
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fi
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# Check packages arg
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cabal v2-build --offline --verbose constraints cereal --ghc-options="-O0 -j$NIX_BUILD_CORES"
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'';
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installPhase = ''
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touch $out
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'';
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}).overrideAttrs (oldAttrs: {
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meta =
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let
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oldMeta = oldAttrs.meta or {};
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oldMaintainers = oldMeta.maintainers or [];
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additionalMaintainers = with lib.maintainers; [ cdepillabout ];
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allMaintainers = oldMaintainers ++ additionalMaintainers;
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in
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oldMeta // {
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maintainers = allMaintainers;
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inherit (cabal-install.meta) platforms;
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};
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})
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