現在いるディレクトリが Git Repository 内であれば git ls-files、上位ディレクトリに locate database があれば locate を使ってファイルを検索する elisp

oh-my-project.el

;;; oh-my-project
;;
;; MAHALO License (based on MIT License)
;;
;; Copyright (c) 2012 Wataru MIYAGUNI (gonngo _at_ gmail.com)
;;
;; Permission is hereby granted, free of charge, to any person obtaining a copy
;; of this software and associated documentation files (the "Software"), to deal
;; in the Software without restriction, including without limitation the rights
;; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
;; copies of the Software, and to permit persons to whom the Software is
;; furnished to do so, subject to the following conditions:
;;
;; 1. The above copyright notice and this permission notice shall be included in
;;    all copies or substantial portions of the Software.
;; 2. Shall be grateful for something (including, but not limited this software).
;;
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
;; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
;; THE SOFTWARE.
;;
;;; Using
;;
;; This isn't working yet.
 
(require 'helm-locate)

(defvar omp->locate-db-name "locate.db"
  "locate database name using `omp:project-use-locate'")

(defun omp:locate-db-path ()
  (let* ((dbdir (locate-dominating-file default-directory omp->locate-db-name))
         dbpath)
    (when dbdir
      (setq dbpath (expand-file-name omp->locate-db-name dbdir))
      (when (file-readable-p dbpath) dbpath))))

(defun omp:project-use-locate ()
  (interactive)
  (let ((dbpath (omp:locate-db-path)))
    (unless dbpath
      (error "[omp-message] %s not found." omp->locate-db-name))
    (helm-locate-with-db dbpath)))