telescope: ignore .git but search hidden files

lua/plugins/telescope.lua

@@ -117,6 +117,18 @@ return {
       if not ok then require "telescope.builtin".find_files(opts) end
     end
 
+
+    local telescopeConfig = require("telescope.config")
+
+    -- Clone the default Telescope configuration
+    local vimgrep_arguments = { unpack(telescopeConfig.values.vimgrep_arguments) }
+
+    -- I want to search in hidden/dot files.
+    table.insert(vimgrep_arguments, "--hidden")
+    -- I don't want to search in the `.git` directory.
+    table.insert(vimgrep_arguments, "--glob")
+    table.insert(vimgrep_arguments, "!**/.git/*")
+
     require('telescope').setup({
       defaults = {
         mappings = {
@@ -126,6 +138,8 @@ return {
             ['<C-q>'] = actions.smart_send_to_qflist,
           },
         },
+        -- `hidden = true` is not supported in text grep commands.
+        vimgrep_arguments = vimgrep_arguments,
       },
       pickers = {
         -- Your special builtin config goes in here
@@ -145,6 +159,8 @@ return {
         find_files = {
           theme = 'ivy',
           previewer = false,
+          -- `hidden = true` will still show the inside of `.git/` as it's not `.gitignore`d.
+          find_command = { "rg", "--files", "--hidden", "--glob", "!**/.git/*" },
         },
         oldfiles = {
           theme = 'ivy',