mirror of
https://github.com/haskell/haskell-language-server.git
synced 2024-09-17 11:47:09 +03:00
257 lines
10 KiB
Nix
257 lines
10 KiB
Nix
# Maintaining this file:
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#
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# - Bump the inputs version using `nix flake update`
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# - Edit `sourceDirs` to update the set of local packages
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#
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# For more details: https://nixos.wiki/wiki/Flakes
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{
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description = "haskell language server flake";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
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flake-compat = {
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url = "github:edolstra/flake-compat";
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flake = false;
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};
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flake-utils.url = "github:numtide/flake-utils";
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pre-commit-hooks = {
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url = "github:cachix/pre-commit-hooks.nix";
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inputs.nixpkgs.follows = "nixpkgs";
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inputs.flake-utils.follows = "flake-utils";
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};
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gitignore = {
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url = "github:hercules-ci/gitignore.nix";
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flake = false;
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};
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};
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outputs =
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{ self, nixpkgs, flake-compat, flake-utils, pre-commit-hooks, gitignore }:
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{
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overlay = final: prev:
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with prev;
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let
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haskellOverrides = hself: hsuper: {
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# we override mkDerivation here to apply the following
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# tweak to each haskell package:
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# if the package is broken, then we disable its check and relax the cabal bounds;
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# otherwise, we leave it unchanged.
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# hopefully, this could fix packages marked as broken by nix due to check failures
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# or the build failure because of tight cabal bounds
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mkDerivation = args:
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let
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broken = args.broken or false;
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check = args.doCheck or true;
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jailbreak = args.jailbreak or false;
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in hsuper.mkDerivation (args // {
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jailbreak = if broken then true else jailbreak;
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doCheck = if broken then false else check;
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});
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};
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gitignoreSource = (import gitignore { inherit lib; }).gitignoreSource;
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# List all subdirectories under `./plugins`, except `./plugins/default`
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pluginsDir = ./plugins;
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pluginSourceDirs = builtins.removeAttrs (lib.mapAttrs'
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(name: _: lib.nameValuePair name (pluginsDir + ("/" + name)))
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(builtins.readDir pluginsDir)) [ "default" ];
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# Source directories of our packages, should be consistent with cabal.project
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sourceDirs = {
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haskell-language-server = ./.;
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ghcide = ./ghcide;
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hls-graph = ./hls-graph;
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shake-bench = ./shake-bench;
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hie-compat = ./hie-compat;
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hls-plugin-api = ./hls-plugin-api;
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hls-test-utils = ./hls-test-utils;
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} // pluginSourceDirs;
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# Tweak our packages
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# Don't use `callHackage`, it requires us to override `all-cabal-hashes`
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tweaks = hself: hsuper:
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with haskell.lib; {
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hiedb = hself.callCabal2nix "hiedb"
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(builtins.fetchTarball {
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url =
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"https://hackage.haskell.org/package/hiedb-0.4.0.0/hiedb-0.4.0.0.tar.gz";
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sha256 =
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"13jz8c46zfpf54ya2wsv4akhn0wcfc6qjazqsjfir5gpvsi7v8xr";
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}) { };
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implicit-hie = hself.callCabal2nix "implicit-hie"
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(builtins.fetchTarball {
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url =
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"https://hackage.haskell.org/package/implicit-hie-0.1.2.6/implicit-hie-0.1.2.6.tar.gz";
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sha256 =
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"067bmw5b9qg55ggklbfyf93jgpkbzmprmgv906jscfzvv1h8266c";
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}) { };
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implicit-hie-cradle = hself.callCabal2nix "implicit-hie-cradle"
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(builtins.fetchTarball {
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url =
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"https://hackage.haskell.org/package/implicit-hie-cradle-0.3.0.5/implicit-hie-cradle-0.3.0.5.tar.gz";
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sha256 =
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"15a7g9x6cjk2b92hb2wilxx4550msxp1pmk5a2shiva821qaxnfq";
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}) { };
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ghc-source-gen = hself.callCabal2nix "ghc-source-gen"
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(builtins.fetchTarball {
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url =
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"https://hackage.haskell.org/package/ghc-source-gen-0.4.1.0/ghc-source-gen-0.4.1.0.tar.gz";
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sha256 =
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"0kk599vk54ckikpxkzwrbx7z5x0xr20hr179rldmnlb34bf9mpnk";
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}) { };
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};
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hlsSources =
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builtins.mapAttrs (_: dir: gitignoreSource dir) sourceDirs;
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extended = hpkgs:
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(hpkgs.override (old: {
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overrides = lib.composeExtensions (old.overrides or (_: _: { }))
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haskellOverrides;
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})).extend (hself: hsuper:
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# disable all checks for our packages
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builtins.mapAttrs (_: drv: haskell.lib.dontCheck drv)
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(lib.composeExtensions
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(haskell.lib.packageSourceOverrides hlsSources) tweaks hself
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hsuper));
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in {
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inherit hlsSources;
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# Haskell packages extended with our packages
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hlsHpkgs = compiler: extended haskell.packages.${compiler};
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# Support of GenChangelogs.hs
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gen-hls-changelogs = hpkgs:
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let myGHC = hpkgs.ghcWithPackages (p: with p; [ github ]);
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in runCommand "gen-hls-changelogs" {
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passAsFile = [ "text" ];
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preferLocalBuild = true;
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allowSubstitutes = false;
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buildInputs = [ git myGHC ];
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} ''
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dest=$out/bin/gen-hls-changelogs
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mkdir -p $out/bin
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echo "#!${runtimeShell}" >> $dest
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echo "${myGHC}/bin/runghc ${./GenChangelogs.hs}" >> $dest
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chmod +x $dest
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'';
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};
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} // (flake-utils.lib.eachSystem [ "x86_64-linux" "x86_64-darwin" ])
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(system:
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let
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pkgs = import nixpkgs {
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inherit system;
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overlays = [ self.overlay ];
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config = { allowBroken = true; };
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};
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# Pre-commit hooks to run stylish-haskell
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pre-commit-check = hpkgs: pre-commit-hooks.lib.${system}.run {
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src = ./.;
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hooks = {
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stylish-haskell.enable = true;
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# use stylish-haskell with our target ghc
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stylish-haskell.entry = pkgs.lib.mkForce "${hpkgs.stylish-haskell}/bin/stylish-haskell --inplace";
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stylish-haskell.excludes = [
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# Ignored files
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"^Setup.hs$"
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"test/testdata/.*$"
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"test/data/.*$"
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"test/manual/lhs/.*$"
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"^hie-compat/.*$"
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"^plugins/hls-tactics-plugin/.*$"
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# Temporarily ignored files
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# Stylish-haskell (and other formatters) does not work well with some CPP usages in these files
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"^ghcide/src/Development/IDE/GHC/Compat.hs$"
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"^plugins/hls-splice-plugin/src/Ide/Plugin/Splice.hs$"
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"^ghcide/test/exe/Main.hs$"
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"ghcide/src/Development/IDE/Core/Rules.hs"
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"^hls-test-utils/src/Test/Hls/Util.hs$"
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];
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};
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};
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ghc901Config = (import ./configuration-ghc-901.nix) { inherit pkgs; };
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# GHC versions
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ghcDefault = pkgs.hlsHpkgs ("ghc"
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+ pkgs.lib.replaceStrings [ "." ] [ "" ]
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pkgs.haskellPackages.ghc.version);
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ghc884 = pkgs.hlsHpkgs "ghc884";
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ghc8104 = pkgs.hlsHpkgs "ghc8104";
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ghc8105 = pkgs.hlsHpkgs "ghc8105";
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ghc901 = ghc901Config.tweakHpkgs (pkgs.hlsHpkgs "ghc901");
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# Create a development shell of hls project
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# See https://github.com/NixOS/nixpkgs/blob/5d4a430472cafada97888cc80672fab255231f57/pkgs/development/haskell-modules/make-package-set.nix#L319
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mkDevShell = hpkgs:
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with pkgs;
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hpkgs.shellFor {
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doBenchmark = true;
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packages = p:
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with builtins;
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map (name: p.${name}) (attrNames
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(if hpkgs.ghc.version == "9.0.1" then
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removeAttrs hlsSources ghc901Config.disabledPlugins
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else
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hlsSources));
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buildInputs = [ gmp zlib ncurses capstone tracy (gen-hls-changelogs hpkgs) ]
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++ (with hpkgs; [
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cabal-install
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hlint
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# ormolu
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# stylish-haskell
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opentelemetry-extra
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]);
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src = null;
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shellHook = ''
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export LD_LIBRARY_PATH=${gmp}/lib:${zlib}/lib:${ncurses}/lib:${capstone}/lib
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export DYLD_LIBRARY_PATH=${gmp}/lib:${zlib}/lib:${ncurses}/lib:${capstone}/lib
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export PATH=$PATH:$HOME/.local/bin
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${if hpkgs.ghc.version != "9.0.1" then (pre-commit-check hpkgs).shellHook else ""}
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'';
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};
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# Create a hls executable
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# Copied from https://github.com/NixOS/nixpkgs/blob/210784b7c8f3d926b7db73bdad085f4dc5d79418/pkgs/development/tools/haskell/haskell-language-server/withWrapper.nix#L16
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mkExe = hpkgs:
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with pkgs.haskell.lib;
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justStaticExecutables (overrideCabal hpkgs.haskell-language-server
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(_: {
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postInstall = ''
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remove-references-to -t ${hpkgs.ghc} $out/bin/haskell-language-server
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remove-references-to -t ${hpkgs.shake.data} $out/bin/haskell-language-server
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remove-references-to -t ${hpkgs.js-jquery.data} $out/bin/haskell-language-server
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remove-references-to -t ${hpkgs.js-dgtable.data} $out/bin/haskell-language-server
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remove-references-to -t ${hpkgs.js-flot.data} $out/bin/haskell-language-server
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'';
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}));
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in with pkgs; rec {
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packages = {
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# dev shell
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haskell-language-server-dev = mkDevShell ghcDefault;
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haskell-language-server-884-dev = mkDevShell ghc884;
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haskell-language-server-8104-dev = mkDevShell ghc8104;
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haskell-language-server-8105-dev = mkDevShell ghc8105;
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haskell-language-server-901-dev = mkDevShell ghc901;
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# hls package
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haskell-language-server = mkExe ghcDefault;
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haskell-language-server-884 = mkExe ghc884;
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haskell-language-server-8104 = mkExe ghc8104;
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haskell-language-server-8105 = mkExe ghc8105;
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haskell-language-server-901 = mkExe ghc901;
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};
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defaultPackage = packages.haskell-language-server;
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devShell = packages.haskell-language-server-dev;
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});
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}
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