feat: nvim-lint

nix/neovim-overlay.nix

@@ -63,6 +63,9 @@ with final.pkgs.lib; let
     # Formatting
     conform-nvim
 
+    # Linting
+    nvim-lint
+
     # Treesitter
     nvim-treesitter-textobjects
     nvim-ts-autotag

nvim/lua/plugins/linting/init.lua

@@ -0,0 +1,5 @@
+local req = MarleyVim.local_require('plugins.linting')
+
+return {
+  req('nvim-lint'),
+}

nvim/lua/plugins/linting/nvim-lint.lua

@@ -0,0 +1,21 @@
+return {
+  'nvim-lint',
+  event = { 'BufReadPost', 'BufWritePost', 'BufNewFile' },
+  after = function()
+    local lint = require('lint')
+
+    lint.linters_by_ft = {
+      fish = { 'fish' },
+    }
+
+    vim.api.nvim_create_autocmd(
+      { 'BufWritePost', 'BufReadPost', 'InsertLeave' },
+      {
+        group = vim.api.nvim_create_augroup('nvim-lint', { clear = true }),
+        callback = function()
+          require('lint').try_lint()
+        end,
+      }
+    )
+  end,
+}