fix(conform): disable slow formatters in before_save hook, and format them after save

.gitea/workflows/build-flake.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup sudo (required for the next step)
         run: apt-get update && apt-get install -y sudo
       - name: Setup nix

config/modules/plugins/conform-nvim.nix

@@ -124,34 +124,33 @@
                 return
               end
 
-              -- if slow_format_filetypes[vim.bo[bufnr].filetype] then
-              --   return
-              -- end
+              if slow_format_filetypes[vim.bo[bufnr].filetype] then
+                return
+              end
 
               local function on_format(err)
-                return
-                -- if err and err:match("timeout$") then
-                --   slow_format_filetypes[vim.bo[bufnr].filetype] = true
-                -- end
+                if err and err:match("timeout$") then
+                  slow_format_filetypes[vim.bo[bufnr].filetype] = true
+                end
               end
 
               return { timeout_ms = 200, lsp_fallback = true }, on_format
              end
           '';
-        # format_after_save = # Lua
-        #   ''
-        #     function(bufnr)
-        #       if vim.g.disable_autoformat or vim.b[bufnr].disable_autoformat then
-        #         return
-        #       end
-        #
-        #       if not slow_format_filetypes[vim.bo[bufnr].filetype] then
-        #         return
-        #       end
-        #
-        #       return { lsp_fallback = true }
-        #     end
-        #   '';
+        format_after_save = # Lua
+          ''
+            function(bufnr)
+              if vim.g.disable_autoformat or vim.b[bufnr].disable_autoformat then
+                return
+              end
+
+              if not slow_format_filetypes[vim.bo[bufnr].filetype] then
+                return
+              end
+
+              return { lsp_fallback = true }
+            end
+          '';
         log_level = "warn";
         notify_on_error = true;
         notify_no_formatters = false;