forked from mirrors/nixpkgs
haskell-packages: make hoogle wrapper much more helpful
* Build most of the stuff on /tmp, not in /nix/store. * Generate hoogle database for all the dependencies. * Generate haddock index and contents files. * Cleanup.
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@ -2,5 +2,4 @@
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COMMAND=$1
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shift
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HOOGLE_DOC_PATH=@out@/share/hoogle/doc exec @hoogle@/bin/hoogle \
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"$COMMAND" -d @out@/share/hoogle "$@"
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exec @hoogle@/bin/hoogle "$COMMAND" -d @out@/share/doc/hoogle "$@"
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@ -23,7 +23,7 @@
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# This will build mmorph and monadControl, and have the hoogle installation
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# refer to their documentation via symlink so they are not garbage collected.
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{ stdenv, hoogle, rehoo
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{ lib, stdenv, hoogle, rehoo
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, ghc, packages ? [ ghc.ghc ]
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}:
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@ -35,62 +35,76 @@ stdenv.mkDerivation {
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name = "hoogle-local-0.1";
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buildInputs = [hoogle rehoo];
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phases = [ "installPhase" ];
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phases = [ "buildPhase" ];
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docPackages = packages;
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installPhase = ''
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docPackages = (lib.closePropagation packages);
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buildPhase = ''
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if [ -z "$docPackages" ]; then
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echo "ERROR: The packages attribute has not been set"
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exit 1
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fi
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mkdir -p $out/share/hoogle/doc
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export HOOGLE_DOC_PATH=$out/share/hoogle/doc
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cd $out/share/hoogle
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mkdir -p $out/share/doc/hoogle
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function import_dbs() {
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find $1 -name '*.txt' | while read f; do
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newname=$(basename "$f" | tr '[:upper:]' '[:lower:]')
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if [[ -f $f && ! -f ./$newname ]]; then
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cp -p $f ./$newname
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cp -p $f "./$newname"
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hoogle convert -d "$(dirname $f)" "./$newname"
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fi
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done
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}
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for i in $docPackages; do
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findInputs $i docPackages propagated-native-build-inputs
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findInputs $i docPackages propagated-build-inputs
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echo importing builtin packages
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for docdir in ${ghc}/share/doc/ghc*/html/libraries/*; do
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if [[ -d $docdir ]]; then
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import_dbs $docdir
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ln -sfn $docdir $out/share/doc/hoogle
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fi
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done
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echo importing other packages
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for i in $docPackages; do
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if [[ ! $i == $out ]]; then
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for docdir in $i/share/doc/*-ghc-*/* $i/share/doc/*; do
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name=`basename $docdir`
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docdir=$docdir/html
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if [[ -d $docdir ]]; then
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import_dbs $docdir
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ln -sf $docdir $out/share/hoogle/doc
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ln -sfn $docdir $out/share/doc/hoogle/$name
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fi
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done
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fi
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done
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import_dbs ${ghc}/share/doc/ghc*/html/libraries
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ln -sf ${ghc}/share/doc/ghc*/html/libraries/* $out/share/hoogle/doc
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echo building hoogle database
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# FIXME: rehoo is marked as depricated on Hackage
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chmod 644 *.hoo *.txt
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rehoo -j4 -c64 .
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rm -fr downloads *.dep *.txt
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mv default.hoo x || exit 0
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rm -f *.hoo
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mv x default.hoo || exit 1
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mv default.hoo .x
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rm -fr downloads *.dep *.txt *.hoo
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mv .x $out/share/doc/hoogle/default.hoo
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if [ ! -f default.hoo ]; then
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echo "Unable to build the default Hoogle database"
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exit 1
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fi
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echo building haddock index
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# adapted from GHC's gen_contents_index
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cd $out/share/doc/hoogle
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args=
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for hdfile in `ls -1 */*.haddock | grep -v '/ghc\.haddock' | sort`
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do
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name_version=`echo "$hdfile" | sed 's#/.*##'`
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args="$args --read-interface=$name_version,$hdfile"
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done
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${ghc}/bin/haddock --gen-index --gen-contents -o . \
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-t "Haskell Hierarchical Libraries" \
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-p ${ghc}/share/doc/ghc*/html/libraries/prologue.txt \
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$args
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echo finishing up
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mkdir -p $out/bin
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substitute ${wrapper} $out/bin/hoogle \
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--subst-var out --subst-var-by shell ${stdenv.shell} \
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@ -85,6 +85,7 @@ rec {
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withHoogle = haskellEnv: with haskellEnv.haskellPackages;
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import ./hoogle.nix {
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inherit (pkgs) stdenv;
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inherit (pkgs.stdenv) lib;
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inherit hoogle rehoo ghc;
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packages = haskellEnv.paths;
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};
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