Add multigrep from TJ's video

nvim/lua/opdavies/telescope/multigrep.lua

@@ -0,0 +1,57 @@
+local conf = require("telescope.config").values
+local finders = require "telescope.finders"
+local make_entry = require "telescope.make_entry"
+local pickers = require "telescope.pickers"
+
+local M = {}
+
+local live_multigrep = function(opts)
+  opts = opts or {}
+  opts.cwd = opts.cwd or vim.uv.cwd()
+
+  local finder = finders.new_async_job {
+    command_generator = function(prompt)
+      if not prompt or prompt == "" then
+        return nil
+      end
+
+      local pieces = vim.split(prompt, "  ")
+      local args = { "rg" }
+
+      if pieces[1] then
+        table.insert(args, "-e")
+        table.insert(args, pieces[1])
+      end
+
+      if pieces[2] then
+        table.insert(args, "-g")
+        table.insert(args, pieces[2])
+      end
+
+      ---@diagnostic disable-next-line: deprecated
+      return vim.tbl_flatten {
+        args,
+        { "--color=never", "--no-heading", "--with-filename", "--line-number", "--column", "--smart-case" },
+      }
+    end,
+
+    cwd = opts.cwd,
+    entry_maker = make_entry.gen_from_vimgrep(opts),
+  }
+
+  pickers
+    .new(opts, {
+      debounce = 100,
+      finder = finder,
+      previewer = conf.grep_previewer(opts),
+      prompt_title = "Multi Grep",
+      sorter = require("telescope.sorters").empty(),
+    })
+    :find()
+end
+
+M.setup = function()
+  vim.keymap.set("n", "<leader>fg", live_multigrep)
+end
+
+return M

nvim/plugin/telescope.lua

@@ -50,7 +50,6 @@ end
 vim.keymap.set("n", "<space>/", builtin.current_buffer_fuzzy_find)
 vim.keymap.set("n", "<space>fb", builtin.buffers)
 vim.keymap.set("n", "<space>fd", builtin.find_files)
-vim.keymap.set("n", "<space>fg", builtin.live_grep)
 vim.keymap.set("n", "<space>fh", builtin.help_tags)
 vim.keymap.set("n", "<space>fi", M.search_all_files)
 vim.keymap.set("n", "<space>fk", builtin.keymaps)
@@ -65,3 +64,5 @@ vim.keymap.set("n", "<space>dgb", M.grep_bluecheese)
 vim.keymap.set("n", "<space>dgd", M.grep_drupalorg_theme)
 
 vim.keymap.set({ "n", "v" }, "<space>gw", builtin.grep_string)
+
+require("opdavies.telescope.multigrep").setup {}