Live grep enhancements

README

@@ -0,0 +1,3 @@
+This is my neovim config, nothing much to explain.
+
+It's pretty much documented, so you can check it out.

nix.vim

@@ -126,27 +126,57 @@ vim.keymap.set('i', '<C-Up>', "<Plug>(copilot-previous)", {})
 -- Telescope
 local actions = require("telescope.actions")
 local fb_actions = require "telescope._extensions.file_browser.actions"
+-- A helper tool from https://github.com/nvim-telescope/telescope.nvim/issues/2201
+-- We can select a directory and then grep in it
+local ts_select_dir_for_grep = function(prompt_bufnr)
+  local action_state = require("telescope.actions.state")
+  local fb = require("telescope").extensions.file_browser
+  local live_grep = require("telescope.builtin").live_grep
+  local current_line = action_state.get_current_line()
+
+  fb.file_browser({
+    files = false,
+    depth = false,
+    attach_mappings = function(prompt_bufnr)
+      require("telescope.actions").select_default:replace(function()
+        local entry_path = action_state.get_selected_entry().Path
+        local dir = entry_path:is_dir() and entry_path or entry_path:parent()
+        local relative = dir:make_relative(vim.fn.getcwd())
+        local absolute = dir:absolute()
+
+        live_grep({
+          results_title = relative .. "/",
+          cwd = absolute,
+          default_text = current_line,
+        })
+      end)
+
+      return true
+    end,
+  })
+end
+
 require('telescope').setup{
-extensions = {
-  file_browser = {
-    theme = "ivy",
-    -- disables netrw and use telescope-file-browser in its place
-    hijack_netrw = true,
-    cwd_to_path = true,
-    grouped = true,
-    hidden = true,
-    files = true,
-    auto_depth = 4,
-    git_status = true,
-    mappings = {
-      ["i"] = {
-        ["<C-Up>"] = fb_actions.goto_parent_dir
+  extensions = {
+    file_browser = {
+      theme = "ivy",
+      -- disables netrw and use telescope-file-browser in its place
+      hijack_netrw = true,
+      cwd_to_path = true,
+      grouped = true,
+      hidden = true,
+      files = true,
+      auto_depth = 4,
+      git_status = true,
+      mappings = {
+        ["i"] = {
+          ["<C-Up>"] = fb_actions.goto_parent_dir
+        },
       },
     },
   },
-},
-defaults = {
-  dynamic_preview_title = true,
+  defaults = {
+    dynamic_preview_title = true,
     mappings = {
       i = {
         -- Quit via Esc in insert mode
@@ -154,6 +184,18 @@ defaults = {
       },
     },
   },
+  pickers = {
+    live_grep = {
+      mappings = {
+        i = {
+          ["<C-f>"] = ts_select_dir_for_grep,
+        },
+        n = {
+          ["<C-f>"] = ts_select_dir_for_grep,
+        },
+      },
+    },
+  },
 }
 require("telescope").load_extension "file_browser"
 
@@ -247,12 +289,17 @@ require('lualine').setup(
   tabline = {
     lualine_a = {
       { 'buffers',
-        show_filename_only = false,
         symbols = {
           modified = ' +'
-        }
+        },
       },
     },
+    -- Couldn't find a sane bufferline formatter
+    lualine_z = {
+      { 'filename',
+        path = 1
+      }
+    },
   },
   sections = {
     lualine_a = {'mode'},