Add nvim-lint for more diagnostics

Author: guru245

init.lua

@@ -731,7 +731,6 @@ require('lazy').setup({
         jump = { float = true, wrap = false },
         severity_sort = true,
         float = { source = 'if_many' },
-        underline = { severity = vim.diagnostic.severity.ERROR },
         signs = vim.g.have_nerd_font and {
           text = {
             [vim.diagnostic.severity.ERROR] = '󰅚 ',
@@ -740,7 +739,10 @@ require('lazy').setup({
             [vim.diagnostic.severity.HINT] = '󰌶 ',
           },
         } or {},
-        virtual_lines = true,
+        virtual_text = {
+          source = 'if_many',
+          spacing = 2,
+        },
       }
 
       -- LSP servers and clients are able to communicate to each other what features they support.
@@ -761,7 +763,6 @@ require('lazy').setup({
       local servers = {
         clangd = {
           'clangd',
-          '--clang-tidy',
         },
         -- gopls = {},
         pylsp = {},

lua/custom/plugins/init.lua

@@ -282,4 +282,22 @@ return {
       })
     end,
   },
+  {
+    'mfussenegger/nvim-lint',
+    event = { 'BufEnter', 'BufWritePost', 'InsertLeave' },
+    config = function()
+      require('lint').linters_by_ft = {
+        c = { 'clangtidy' },
+        cpp = { 'clangtidy' },
+      }
+
+      vim.api.nvim_create_autocmd({ 'BufEnter', 'BufWritePost', 'InsertLeave' }, {
+        callback = function()
+          -- try_lint without arguments runs the linters defined in `linters_by_ft`
+          -- for the current filetype
+          require('lint').try_lint()
+        end,
+      })
+    end,
+  },
 }