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