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057fae5ea0
`haskell.packages.ghcjs.ghcWithHoogle` failed because the following line:
for docdir in ${ghc.doc}/${docLibGlob}/*; do
failed because `doc` is not an attribute of `ghc` when `ghc` is
substituted for ghcjs.
129 lines
3.5 KiB
Nix
129 lines
3.5 KiB
Nix
# Install not only the Hoogle library and executable, but also a local Hoogle
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# database which provides "Source" links to all specified 'packages' -- or the
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# current Haskell Platform if no custom package set is provided.
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#
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# It is intended to be used in config.nix similarly to:
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#
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# { packageOverrides = pkgs: rec {
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#
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# haskellPackages =
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# let callPackage = pkgs.lib.callPackageWith haskellPackages;
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# in pkgs.recurseIntoAttrs (pkgs.haskellPackages.override {
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# extension = self: super: {
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# hoogleLocal = pkgs.haskellPackages.hoogleLocal.override {
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# packages = with pkgs.haskellPackages; [
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# mmorph
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# monadControl
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# ];
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# };
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# };
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# });
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# }}
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#
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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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{ lib, stdenv, hoogle, writeText, ghc
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, packages
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}:
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let
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inherit (stdenv.lib) optional;
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wrapper = ./hoogle-local-wrapper.sh;
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isGhcjs = ghc.isGhcjs or false;
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opts = lib.optionalString;
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haddockExe =
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if !isGhcjs
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then "haddock"
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else "haddock-ghcjs";
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ghcName =
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if !isGhcjs
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then "ghc"
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else "ghcjs";
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ghcDocLibDir =
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if !isGhcjs
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then ghc.doc + ''/share/doc/ghc*/html/libraries''
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else ghc + ''/doc/lib'';
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# On GHCJS, use a stripped down version of GHC's prologue.txt
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prologue =
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if !isGhcjs
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then "${ghcDocLibDir}/prologue.txt"
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else writeText "ghcjs-prologue.txt" ''
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This index includes documentation for many Haskell modules.
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'';
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docPackages = lib.closePropagation packages;
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in
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stdenv.mkDerivation {
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name = "hoogle-local-0.1";
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buildInputs = [ghc hoogle];
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phases = [ "buildPhase" ];
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inherit docPackages;
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buildPhase = ''
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mkdir -p $out/share/doc/hoogle
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echo importing builtin packages
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for docdir in ${ghcDocLibDir}/*; do
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name="$(basename $docdir)"
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${opts isGhcjs ''docdir="$docdir/html"''}
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if [[ -d $docdir ]]; then
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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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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 $i/share/doc/*-${ghcName}-*/* $i/share/doc/*; do
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name="$(basename $docdir)"
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docdir=$docdir/html
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if [[ -d $docdir ]]; then
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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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echo building hoogle database
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hoogle generate --database $out/share/doc/hoogle/default.hoo --local=$out/share/doc/hoogle
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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/${haddockExe} --gen-index --gen-contents -o . \
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-t "Haskell Hierarchical Libraries" \
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-p ${prologue} \
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$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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--subst-var-by hoogle ${hoogle}
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chmod +x $out/bin/hoogle
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'';
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passthru = {
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isHaskellLibrary = false; # for the filter in ./with-packages-wrapper.nix
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};
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meta = {
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description = "A local Hoogle database";
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platforms = ghc.meta.platforms;
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hydraPlatforms = with stdenv.lib.platforms; none;
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maintainers = with stdenv.lib.maintainers; [ ttuegel ];
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};
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}
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