From f445bd1d4d10758ac16cf5e67131284fe273d90d Mon Sep 17 00:00:00 2001
From: Soliprem <franci.solidoro@gmail.com>
Date: Fri, 27 Sep 2024 17:43:45 +0200
Subject: [PATCH 1/4] haskell: default to isMaximal

---
 configuration.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configuration.nix b/configuration.nix
index 98b9999..173cdf0 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -63,6 +63,7 @@ isMaximal: {
       dart.enable = isMaximal;
       bash.enable = isMaximal;
       r.enable = isMaximal;
+      haskell.enable = isMaximal;
       tailwind.enable = isMaximal;
       typst.enable = isMaximal;
       clang.enable = isMaximal;

From 415ed89340f91bda3807bd6b3e0c5e90b8506646 Mon Sep 17 00:00:00 2001
From: Soliprem <franci.solidoro@gmail.com>
Date: Fri, 27 Sep 2024 17:44:23 +0200
Subject: [PATCH 2/4] haskell: haskell support

---
 modules/plugins/languages/haskell.nix | 49 +++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 modules/plugins/languages/haskell.nix

diff --git a/modules/plugins/languages/haskell.nix b/modules/plugins/languages/haskell.nix
new file mode 100644
index 0000000..b2df406
--- /dev/null
+++ b/modules/plugins/languages/haskell.nix
@@ -0,0 +1,49 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  inherit (lib.options) mkEnableOption mkOption;
+  inherit (lib.modules) mkIf mkMerge;
+  inherit (lib.types) package;
+  inherit (lib.nvim.types) mkGrammarOption;
+
+  cfg = config.vim.languages.haskell;
+in {
+  options.vim.languages.haskell = {
+    enable = mkEnableOption "Haskell support";
+
+    treesitter = {
+      enable = mkEnableOption "Haskell treesitter" // {default = config.vim.languages.enableTreesitter;};
+      package = mkGrammarOption pkgs "haskell";
+    };
+
+    lsp = {
+      enable = mkEnableOption "Haskell LSP support (haskell-language-server)" // {default = config.vim.languages.enableLSP;};
+
+      package = mkOption {
+        description = "haskell_ls package";
+        type = package;
+        default = pkgs.haskellPackages.haskell-language-server;
+      };
+    };
+  };
+  config = mkIf cfg.enable (mkMerge [
+    (mkIf cfg.treesitter.enable {
+      vim.treesitter.enable = true;
+      vim.treesitter.grammars = [cfg.treesitter.package];
+    })
+
+    (mkIf cfg.lsp.enable {
+      vim.lsp.lspconfig.enable = true;
+      vim.lsp.lspconfig.sources.haskell-ls = ''
+        lspconfig.haskell_ls.setup {
+          capabilities = capabilities,
+          on_attach=default_on_attach,
+          cmd = "${cfg.lsp.package}/bin/haskell-language-server-wrapper",
+        }
+      '';
+    })
+  ]);
+}

From c360f29e253d2a208ae245c4f5b05355caaa070a Mon Sep 17 00:00:00 2001
From: Soliprem <franci.solidoro@gmail.com>
Date: Sun, 20 Oct 2024 12:48:30 +0200
Subject: [PATCH 3/4] haskell: for some reason now LSP works

---
 modules/plugins/languages/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/plugins/languages/default.nix b/modules/plugins/languages/default.nix
index 1ec2b68..c6b0aab 100644
--- a/modules/plugins/languages/default.nix
+++ b/modules/plugins/languages/default.nix
@@ -9,6 +9,7 @@ in {
     ./elixir.nix
     ./go.nix
     ./kotlin.nix
+    ./haskell.nix
     ./html.nix
     ./java.nix
     ./lua.nix

From 6adb4cff21463d58e7a94fd3f8ff7812fd18f16c Mon Sep 17 00:00:00 2001
From: Soliprem <franci.solidoro@gmail.com>
Date: Sun, 20 Oct 2024 12:48:37 +0200
Subject: [PATCH 4/4] haskell: for some reason now LSP works

---
 modules/plugins/languages/haskell.nix | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/modules/plugins/languages/haskell.nix b/modules/plugins/languages/haskell.nix
index b2df406..460e15f 100644
--- a/modules/plugins/languages/haskell.nix
+++ b/modules/plugins/languages/haskell.nix
@@ -23,9 +23,9 @@ in {
       enable = mkEnableOption "Haskell LSP support (haskell-language-server)" // {default = config.vim.languages.enableLSP;};
 
       package = mkOption {
-        description = "haskell_ls package";
+        description = "haskell-language-server package";
         type = package;
-        default = pkgs.haskellPackages.haskell-language-server;
+        default = pkgs.haskell-language-server;
       };
     };
   };
@@ -37,11 +37,11 @@ in {
 
     (mkIf cfg.lsp.enable {
       vim.lsp.lspconfig.enable = true;
-      vim.lsp.lspconfig.sources.haskell-ls = ''
-        lspconfig.haskell_ls.setup {
+      vim.lsp.lspconfig.sources.hls = ''
+        lspconfig.hls.setup {
           capabilities = capabilities,
-          on_attach=default_on_attach,
-          cmd = "${cfg.lsp.package}/bin/haskell-language-server-wrapper",
+          on_attach = default_on_attach,
+          cmd = {"${cfg.lsp.package}/bin/haskell-language-server"},
         }
       '';
     })