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|
{ lib
, stdenv
, supportedGhcVersions ? [ "94" ]
, dynamic ? true
, haskellPackages
, haskell
}:
#
# The recommended way to override this package is
#
# pkgs.haskell-language-server.override { supportedGhcVersions = [ "90" "92"]; }
#
# for example. Read more about this in the haskell-language-server section of the nixpkgs manual.
#
let
inherit (lib) concatStringsSep concatMapStringsSep take splitString pipe optionals;
inherit (haskell.lib.compose) justStaticExecutables overrideCabal enableCabalFlag disableCabalFlag;
getPackages = version: haskell.packages."ghc${version}";
tunedHls = hsPkgs:
lib.pipe hsPkgs.haskell-language-server ([
(haskell.lib.compose.overrideCabal (old: {
enableSharedExecutables = dynamic;
${if !dynamic then "postInstall" else null} = ''
${old.postInstall or ""}
remove-references-to -t ${hsPkgs.ghc} $out/bin/haskell-language-server
'';
}))
((if dynamic then enableCabalFlag else disableCabalFlag) "dynamic")
] ++ optionals (!dynamic) [
justStaticExecutables
]);
targets = version:
let packages = getPackages version;
in [
"haskell-language-server-${packages.ghc.version}"
];
makeSymlinks = version:
concatMapStringsSep "\n" (x:
"ln -s ${
tunedHls (getPackages version)
}/bin/haskell-language-server $out/bin/${x}") (targets version);
in assert supportedGhcVersions != []; stdenv.mkDerivation {
pname = "haskell-language-server";
version = haskellPackages.haskell-language-server.version;
buildCommand = ''
mkdir -p $out/bin
ln -s ${tunedHls (getPackages (builtins.head supportedGhcVersions))}/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 the executables ${
concatMapStringsSep ", " (x: concatStringsSep ", " (targets x))
supportedGhcVersions
} and haskell-language-server-wrapper.
You can choose for which ghc versions to install hls with pkgs.haskell-language-server.override { supportedGhcVersions = [ "90" "92" ]; }.
'';
};
}
|