25 lines
817 B
Nix
25 lines
817 B
Nix
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{ stdenv, haskellPackages, cabal-install }:
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haskellPackages.shellFor {
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packages = p: [ p.database-id-class p.constraints-extras ];
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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.database-id-class.src}
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tar -xf ${haskellPackages.constraints-extras.src}
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cp ${builtins.toFile "cabal.project" "packages: database-id-class* constraints-extras*"} cabal.project
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'';
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buildPhase = ''
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export HOME=$(mktemp -d)
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mkdir -p $HOME/.cabal
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touch $HOME/.cabal/config
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cabal v2-build --offline --verbose database-id-class constraints-extras --ghc-options="-O0 -j$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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}
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