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+;;; my-grep.el -- Extensions for grep -*- lexical-binding: t -*-
+
+;; Copyright (C) 2023 Free Software Foundation.
+
+;; Author: Yuchen Pei <id@ypei.org>
+;; Package-Requires: ((emacs "28.2"))
+
+;; This file is part of dotfiles.
+
+;; dotfiles is free software: you can redistribute it and/or modify it under
+;; the terms of the GNU Affero General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; dotfiles is distributed in the hope that it will be useful, but WITHOUT
+;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General
+;; Public License for more details.
+
+;; You should have received a copy of the GNU Affero General Public
+;; License along with dotfiles.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; Extensions for grep.
+
+;;; Code:
+
+
+
+(defun my-grep-focus-buffer (buffer)
+  (pop-to-buffer buffer))
+
+(defun my-rgrep-at-directory (dir)
+  (my-with-default-directory dir
+    (let* ((regexp (grep-read-regexp))
+           (files (grep-read-files regexp)))
+      (rgrep regexp files dir))))
+
+(defun my-grep-docs (project regexp)
+  (interactive (list (completing-read "Docs to grep: "
+                                      (my-get-list-of-docs))
+                     (grep-read-regexp)))
+  (rgrep regexp (alist-get "docs" grep-files-aliases nil nil 'string=)
+         (concat my-docs-root-dir "/" project)))
+
+(provide 'my-grep)
+;;; my-grep.el ends here