add configuration tweak for ghc8107

Author: smunix

configuration-ghc-810.nix

@@ -0,0 +1,59 @@
+# nix version of cabal-ghc901.project
+{ pkgs, inputs }:
+
+let
+  disabledPlugins = [
+    "hls-brittany-plugin"
+    "hls-hlint-plugin"
+    "hls-stylish-haskell-plugin"
+    "hls-haddock-comments-plugin"
+    "hls-tactics-plugin"
+    # That one is not technically a plugin, but by putting it in this list, we
+    # get it removed from the top level list of requirement and it is not pull
+    # in the nix shell.
+    "shake-bench"
+  ];
+
+  hpkgsOverride = hself: hsuper:
+    with pkgs.haskell.lib; {
+      hlsDisabledPlugins = disabledPlugins;
+
+      ghc-lib = hself.ghc-lib_8_10_7_20220219;
+      ghc-lib-parser = hself.ghc-lib-parser_8_10_7_20220219;
+
+      fourmolu = hself.callCabal2nix "fourmolu" inputs.fourmolu-0300 { };
+
+      stylish-haskell = hself.callCabal2nixWithOptions "stylish-haskell"
+        inputs.stylish-haskell-01220 (pkgs.lib.concatStringsSep " " [ ]) { };
+
+      aeson = hself.callCabal2nixWithOptions "aeson" inputs.aeson-1520
+        (pkgs.lib.concatStringsSep " " [ ]) { };
+
+      brittany = hself.callCabal2nixWithOptions "brittany" inputs.brittany-01312
+        (pkgs.lib.concatStringsSep " " [ ]) { };
+
+      hls-hlint-plugin = hself.callCabal2nixWithOptions "hls-hlint-plugin"
+        ./plugins/hls-hlint-plugin
+        (pkgs.lib.concatStringsSep " " [ "-f-hlint34" "-fhyphenation" ]) { };
+
+      # Re-generate HLS drv excluding some plugins
+      haskell-language-server =
+        hself.callCabal2nixWithOptions "haskell-language-server" ./.
+        (pkgs.lib.concatStringsSep " " [
+          "-fpedantic"
+          "-f-hlint"
+          "-f-fourmolu"
+          "-f-ormolu"
+        ]) { };
+
+      # YOLO
+      mkDerivation = args:
+        hsuper.mkDerivation (args // {
+          jailbreak = true;
+          doCheck = false;
+        });
+    };
+in {
+  inherit disabledPlugins;
+  tweakHpkgs = hpkgs: hpkgs.extend hpkgsOverride;
+}

flake.nix

@@ -243,6 +243,7 @@
         };
 
         ghc88Config = (import ./configuration-ghc-88.nix) { inherit pkgs inputs; };
+        ghc810Config = (import ./configuration-ghc-810.nix) { inherit pkgs inputs; };
         ghc902Config = (import ./configuration-ghc-902.nix) { inherit pkgs inputs; };
         ghc922Config = (import ./configuration-ghc-922.nix) { inherit pkgs inputs; };
 
@@ -251,7 +252,7 @@
           ghcVersion = "ghc" + (pkgs.lib.replaceStrings ["."] [""] pkgs.haskellPackages.ghc.version);
           cases = {
             ghc884  = ghc88Config.tweakHpkgs (pkgs.hlsHpkgs "ghc884");
-            ghc8107 = pkgs.hlsHpkgs "ghc8107";
+            ghc8107 = ghc810Config.tweakHpkgs (pkgs.hlsHpkgs "ghc8107");
             ghc902 = ghc902Config.tweakHpkgs (pkgs.hlsHpkgs "ghc902");
             ghc922 = ghc922Config.tweakHpkgs (pkgs.hlsHpkgs "ghc922");
           };