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author | Charles Strahan <charles.c.strahan@gmail.com> | 2015-01-22 18:10:08 -0500 |
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committer | Charles Strahan <charles.c.strahan@gmail.com> | 2015-06-11 20:25:31 -0400 |
commit | 3859f7bdabe8ec56c1eef832bd5b74280d8298e1 (patch) | |
tree | 4a6e63fcbb25143cfa6de29bac7357ce29d292bd /pkgs/development/haskell-modules/hoogle.nix | |
parent | cd28c5517c224c0c969f6bccb1f85dcc280ed7f2 (diff) | |
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haskell-ng: hoogleLocal support
Diffstat (limited to 'pkgs/development/haskell-modules/hoogle.nix')
-rw-r--r-- | pkgs/development/haskell-modules/hoogle.nix | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/pkgs/development/haskell-modules/hoogle.nix b/pkgs/development/haskell-modules/hoogle.nix new file mode 100644 index 000000000000..822c2bdd82ea --- /dev/null +++ b/pkgs/development/haskell-modules/hoogle.nix @@ -0,0 +1,107 @@ +# Install not only the Hoogle library and executable, but also a local Hoogle +# database which provides "Source" links to all specified 'packages' -- or the +# current Haskell Platform if no custom package set is provided. +# +# It is intended to be used in config.nix similarly to: +# +# { packageOverrides = pkgs: rec { +# +# haskellPackages = +# let callPackage = pkgs.lib.callPackageWith haskellPackages; +# in pkgs.recurseIntoAttrs (pkgs.haskellPackages.override { +# extension = self: super: { +# hoogleLocal = pkgs.haskellPackages.hoogleLocal.override { +# packages = with pkgs.haskellPackages; [ +# mmorph +# monadControl +# ]; +# }; +# }; +# }); +# }} +# +# This will build mmorph and monadControl, and have the hoogle installation +# refer to their documentation via symlink so they are not garbage collected. + +{ stdenv, hoogle, rehoo +, ghc, packages ? [ ghc.ghc ] +}: + +let + inherit (stdenv.lib) optional; + wrapper = ./hoogle-local-wrapper.sh; +in +stdenv.mkDerivation { + name = "hoogle-local-0.1"; + buildInputs = [hoogle rehoo]; + + phases = [ "installPhase" ]; + + docPackages = packages; + installPhase = '' + if [ -z "$docPackages" ]; then + echo "ERROR: The packages attribute has not been set" + exit 1 + fi + + mkdir -p $out/share/hoogle/doc + export HOOGLE_DOC_PATH=$out/share/hoogle/doc + + cd $out/share/hoogle + + function import_dbs() { + find $1 -name '*.txt' | while read f; do + newname=$(basename "$f" | tr '[:upper:]' '[:lower:]') + if [[ -f $f && ! -f ./$newname ]]; then + cp -p $f ./$newname + hoogle convert -d "$(dirname $f)" "./$newname" + fi + done + } + + for i in $docPackages; do + findInputs $i docPackages propagated-native-build-inputs + findInputs $i docPackages propagated-build-inputs + done + + for i in $docPackages; do + if [[ ! $i == $out ]]; then + for docdir in $i/share/doc/*-ghc-*/* $i/share/doc/*; do + if [[ -d $docdir ]]; then + import_dbs $docdir + ln -sf $docdir $out/share/hoogle/doc + fi + done + fi + done + + import_dbs ${ghc}/share/doc/ghc*/html/libraries + ln -sf ${ghc}/share/doc/ghc*/html/libraries/* $out/share/hoogle/doc + + chmod 644 *.hoo *.txt + rehoo -j4 -c64 . + + rm -fr downloads *.dep *.txt + mv default.hoo x || exit 0 + rm -f *.hoo + mv x default.hoo || exit 1 + + if [ ! -f default.hoo ]; then + echo "Unable to build the default Hoogle database" + exit 1 + fi + + mkdir -p $out/bin + substitute ${wrapper} $out/bin/hoogle \ + --subst-var out --subst-var-by shell ${stdenv.shell} \ + --subst-var-by hoogle ${hoogle} + chmod +x $out/bin/hoogle + ''; + + meta = { + description = "A local Hoogle database"; + platforms = ghc.meta.platforms; + hydraPlatforms = with stdenv.lib.platforms; none; + maintainers = with stdenv.lib.maintainers; [ ttuegel ]; + }; +} |