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haskell-language-server: Init wrapper for multiple ghc versions at 0.5.0 (#99519)

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* haskell-language-server: Init wrapper for multiple ghc versions at 0.5.0

* Fix closure size

* docs: Add hls section to Haskell part of manual
This commit is contained in:
maralorn
2020-10-10 16:01:57 +02:00
committed by GitHub
parent f7e72e7b22
commit 0756b8a7bf
3 changed files with 93 additions and 0 deletions
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pkgs/development/tools/haskell/haskell-language-server/withWrapper.nix Normal file
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{ lib, supportedGhcVersions ? [ "865" "884" "8102" ], stdenv, haskellPackages
, haskell }:
#
# The recommended way to override this package is
#
# pkgs.haskell-language-server.override { supportedGhcVersions = [ "901" ]; }
#
# for example. Read more about this in the haskell-language-server section of the nixpkgs manual.
#
let
inherit (lib) concatStringsSep concatMapStringsSep take splitString;
getPackages = version: haskell.packages."ghc${version}";
getMajorVersion = packages:
concatStringsSep "." (take 2 (splitString "." packages.ghc.version));
tunedHls = hsPkgs:
haskell.lib.justStaticExecutables
(haskell.lib.overrideCabal hsPkgs.haskell-language-server (old: {
postInstall = ''
remove-references-to -t ${hsPkgs.ghc} $out/bin/haskell-language-server
remove-references-to -t ${hsPkgs.shake.data} $out/bin/haskell-language-server
remove-references-to -t ${hsPkgs.js-jquery.data} $out/bin/haskell-language-server
remove-references-to -t ${hsPkgs.js-dgtable.data} $out/bin/haskell-language-server
remove-references-to -t ${hsPkgs.js-flot.data} $out/bin/haskell-language-server
'';
}));
targets = version:
let packages = getPackages version;
in [
"haskell-language-server-${packages.ghc.version}"
"haskell-language-server-${getMajorVersion packages}"
];
makeSymlinks = version:
concatMapStringsSep "\n" (x:
"ln -s ${
tunedHls (getPackages version)
}/bin/haskell-language-server $out/bin/${x}") (targets version);
pkg = tunedHls haskellPackages;
in stdenv.mkDerivation {
pname = "haskell-language-server";
version = haskellPackages.haskell-language-server.version;
buildCommand = ''
mkdir -p $out/bin
ln -s ${pkg}/bin/haskell-language-server $out/bin/haskell-language-server
ln -s ${pkg}/bin/haskell-language-server-wrapper $out/bin/haskell-language-server-wrapper
${concatMapStringsSep "\n" makeSymlinks supportedGhcVersions}
'';
meta = haskellPackages.haskell-language-server.meta // {
maintainers = [ lib.maintainers.maralorn ];
longDescription = ''
This package provides haskell-language-server, haskell-language-server-wrapper, ${
concatMapStringsSep ", " (x: concatStringsSep ", " (targets x))
supportedGhcVersions
}.
You can override the list supportedGhcVersions.
'';
};
}