| 1 | """Access to the GIT base directory |
| 2 | """ |
| 3 | |
| 4 | __copyright__ = """ |
| 5 | Copyright (C) 2006, Catalin Marinas <catalin.marinas@gmail.com> |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License version 2 as |
| 9 | published by the Free Software Foundation. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | """ |
| 20 | |
| 21 | import os |
| 22 | from stgit.run import * |
| 23 | |
| 24 | # GIT_DIR value cached |
| 25 | __base_dir = None |
| 26 | |
| 27 | def get(): |
| 28 | """Return the .git directory location |
| 29 | """ |
| 30 | global __base_dir |
| 31 | |
| 32 | if not __base_dir: |
| 33 | if 'GIT_DIR' in os.environ: |
| 34 | __base_dir = os.environ['GIT_DIR'] |
| 35 | else: |
| 36 | try: |
| 37 | __base_dir = Run('git', 'rev-parse', '--git-dir').output_one_line() |
| 38 | except RunException: |
| 39 | __base_dir = '' |
| 40 | |
| 41 | return __base_dir |
| 42 | |
| 43 | def clear_cache(): |
| 44 | """Clear the cached location of .git |
| 45 | """ |
| 46 | global __base_dir |
| 47 | __base_dir = None |