try to use hls 2.9.0.1 github tag

IntersectMBO · Jan 24, 2025 · 5db0ffb · 5db0ffb
1 parent 3e2e43f
commit 5db0ffb
Showing 1 changed file with 23 additions and 2 deletions.
diff --git a/flake.nix b/flake.nix
@@ -26,6 +26,26 @@
     # Used for cross compilation, and so referenced in .github/workflows/release-upload.yml. Adapt the
     # latter if you change this value.
     crossCompilerVersion = "ghc966";
+
+    hls2901overlay = final: prev: 
+      let
+        hlsExes =
+          (final.haskell-nix.cabalProject {
+            src = final.fetchFromGitHub {
+              owner = "haskell";
+              repo = "haskell-language-server";
+              rev = "2.9.0.1";
+              hash = "sha256-wy348++MiMm/xwtI9M3vVpqj2qfGgnDcZIGXw8sF1sA=";
+            };
+            # index-state = "2024-12-24T12:56:48Z";
+            compiler-nix-name = defaultCompiler;
+          })
+          .haskell-language-server
+          .components
+          .exes;
+      in {
+        inherit (hlsExes) haskell-language-server haskell-language-server-wrapper;
+      };
   in
     {inherit (inputs) incl;}
     // inputs.flake-utils.lib.eachSystem supportedSystems (
@@ -40,6 +60,7 @@
             inputs.haskellNix.overlay
             # configure haskell.nix to use iohk-nix crypto librairies.
             inputs.iohkNix.overlays.haskell-nix-crypto
+            hls2901overlay
           ];
           inherit system;
           inherit (inputs.haskellNix) config;
@@ -91,12 +112,12 @@
               # tools that work only with default compiler
               cabal-gild = "1.3.1.2";
               fourmolu = "0.17.0.0";
-              haskell-language-server = "2.9.0.0"; # nixpkgs.haskell-nix.sources."hls-2.9";
+              # haskell-language-server = "2.9.0.0"; # nixpkgs.haskell-nix.sources."hls-2.9";
               hlint = "3.8";
               stylish-haskell = "0.14.6.0";
             };
           # and from nixpkgs or other inputs
-          shell.nativeBuildInputs = with nixpkgs; [gh jq yq-go actionlint shellcheck] ++ (lib.optional isDarwin macOS-security);
+          shell.nativeBuildInputs = with nixpkgs; [gh jq yq-go actionlint shellcheck haskell-language-server haskell-language-server-wrapper] ++ (lib.optional isDarwin macOS-security);
           # disable Hoogle until someone request it
           shell.withHoogle = false;
           # Skip cross compilers for the shell