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haskell: add three new helper functions to the lib module

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- sdistTarball transforms a normal Haskell build into one that produces a
   release tarball by running "sdist". For example:

     $ nix-shell -p "haskell.lib.sdistTarball haskellPackages.mtl" --command 'tar tfv $nativeBuildInputs/*tar.gz'

 - buildFromSdist transforms a normal Haskell build into one that compiles the
   package the an sdist release tarball created by Nix. For example:

     $ nix-shell -p "haskell.lib.buildFromSdist haskellPackages.mtl" --command "exit 0"

 - buildStrictly transforms a normal Haskell build into one that (a) compiles
   the source code with "-Wall -Werror" flags and (b) uses as input a locally
   generated sdist release tarball. For example:

     $ nix-shell -p "haskell.lib.buildStrictly haskellPackages.mtl" --command "exit 0"

   This function is particularly useful for continuous Hydra builds of Haskell
   packages.
This commit is contained in:
Peter Simons 2015-06-02 13:58:57 +02:00
parent b812e5f057
commit ba809cf9a3
1 changed files with 19 additions and 0 deletions
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19
pkgs/development/haskell-modules/lib.nix
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@ -58,4 +58,23 @@ rec {
doHyperlinkSource = drv: overrideCabal drv (drv: { hyperlinkSource = true; });
dontHyperlinkSource = drv: overrideCabal drv (drv: { hyperlinkSource = false; });
sdistTarball = pkg: pkgs.lib.overrideDerivation pkg (drv: {
name = "${drv.pname}-source-${drv.version}";
buildPhase = "./Setup sdist";
haddockPhase = ":";
checkPhase = ":";
installPhase = "install -D dist/${drv.pname}-${drv.version}.tar.gz $out/${drv.pname}-${drv.version}.tar.gz";
fixupPhase = ":";
});
buildFromSdist = pkg: pkgs.lib.overrideDerivation pkg (drv: {
unpackPhase = let src = sdistTarball pkg; tarname = "${pkg.pname}-${pkg.version}"; in ''
echo "Source tarball is at ${src}/${tarname}.tar.gz"
tar xf ${src}/${tarname}.tar.gz
cd ${tarname}
'';
});
buildStrictly = pkg: buildFromSdist (appendConfigureFlag pkg "--ghc-option=-Wall --ghc-option=-Werror");
}