nix-shell: Replace ghcide-0.4.0 with haskell-language-server-0.5.0

Author: rvl

default.nix

@@ -93,11 +93,10 @@ let
         ruby
         sqlite-interactive
         yq
-      ]);
+      ]) ++ attrValues hls;
     tools = {
       cabal = "3.2.0.0";
       ghcid = "0.8.7";
-      ghcide = "0.4.0";
       hlint = "3.2";
       lentil = "1.3.2.0";
       stylish-haskell = "0.11.0.3";
@@ -118,6 +117,11 @@ let
     '';
   };
 
+  # Build latest release of haskell-language-server from github
+  hls = pkgs.callPackages ./nix/hls.nix {
+    compiler-nix-name = haskellPackages._config.compiler.nix-name;
+  };
+
   self = {
     inherit pkgs commonLib src haskellPackages profiledHaskellPackages coveredHaskellPackages;
     # Jormungandr

nix/hls.nix

@@ -0,0 +1,32 @@
+{ haskell-nix, fetchFromGitHub, compiler-nix-name }:
+
+let
+  hlsPkgs = haskell-nix.cabalProject {
+    src = fetchFromGitHub {
+      name = "haskell-language-server";
+      owner = "haskell";
+      repo = "haskell-language-server";
+      rev = "0.5.0";
+      sha256 = "0vkh5ff6l5wr4450xmbki3cfhlwf041fjaalnwmj7zskd72s9p7p";
+      fetchSubmodules = true;
+    };
+
+    # Fix source info of brittany dep
+    lookupSha256 = { location, tag, ... } : {
+      "https://github.com/bubba/brittany.git"."c59655f10d5ad295c2481537fc8abf0a297d9d1c" = "1rkk09f8750qykrmkqfqbh44dbx1p8aq1caznxxlw8zqfvx39cxl";
+      }."${location}"."${tag}";
+
+    # Use same GHC as the project
+    inherit compiler-nix-name;
+
+    # # Materialization voodoo (disabled for now).
+    # inherit index-state checkMaterialization;
+    # Invalidate and update if you change the version
+    # plan-sha256 = "144p19wpydc6c56f0zw5b7c17151n0cghimr9wd8rlhifymmky2h";
+  };
+
+in
+  {
+    inherit (hlsPkgs.haskell-language-server.components.exes) haskell-language-server;
+    inherit (hlsPkgs.hie-bios.components.exes) hie-bios;
+  }