Add "stg id" support for "{public}" ref
[stgit] / stgit / commands / id.py
1 __copyright__ = """
2 Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com>
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License version 2 as
6 published by the Free Software Foundation.
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 """
17
18 from stgit.out import out
19 from stgit.commands import common
20 from stgit.lib import stack
21 from stgit import argparse
22
23 help = 'Print the git hash value of a StGit reference'
24 kind = 'repo'
25 usage = ['[options] [id]']
26 description = """
27 Print the SHA1 value of a Git id (defaulting to HEAD). In addition to the
28 standard Git id's like heads and tags, this command also accepts
29 '[<branch>:]<patch>' for the id of a patch, '[<branch>:]\{base\}' for the base
30 of the stack and '[<branch>:]\{public\}' for the public branch corresponding
31 to the stack (see the 'publish' command for details). If no branch is
32 specified, it defaults to the current one. The bottom of a patch is accessible
33 with the '[<branch>:]<patch>^' format."""
34
35 args = [argparse.applied_patches, argparse.unapplied_patches,
36 argparse.hidden_patches]
37 options = []
38
39 directory = common.DirectoryHasRepositoryLib()
40
41 def func(parser, options, args):
42 """Show the applied patches
43 """
44 if len(args) == 0:
45 id_str = 'HEAD'
46 elif len(args) == 1:
47 id_str = args[0]
48 else:
49 parser.error('incorrect number of arguments')
50
51 out.stdout(common.git_commit(id_str, directory.repository).sha1)