5 Copyright (C) 2005, Chuck Lever <cel@netapp.com>
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.
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.
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
22 from optparse import OptionParser, make_option
24 from stgit.commands.common import *
25 from stgit.utils import *
26 from stgit import stack, git
29 help = 'manage development branches'
30 usage = """%prog [options] branch-name [commit-id]
32 Create, list, switch between, rename, or delete development branches
33 within a git repository. By default, a single branch called 'master'
34 is always created in a new repository. This subcommand allows you to
35 manage several patch series in the same repository.
37 When displaying the branches, the names can be prefixed with
38 's' (StGIT managed) or 'p' (protected)."""
40 options = [make_option('-c', '--create',
41 help = 'create a new development branch',
42 action = 'store_true'),
43 make_option('--delete',
44 help = 'delete an existing development branch',
45 action = 'store_true'),
46 make_option('--force',
47 help = 'force a delete when the series is not empty',
48 action = 'store_true'),
49 make_option('-l', '--list',
50 help = 'list branches contained in this repository',
51 action = 'store_true'),
52 make_option('-p', '--protect',
53 help = 'prevent "stg pull" from modifying this branch',
54 action = 'store_true'),
55 make_option('-r', '--rename',
56 help = 'rename an existing development branch',
57 action = 'store_true'),
58 make_option('-u', '--unprotect',
59 help = 'allow "stg pull" to modify this branch',
60 action = 'store_true')]
63 def is_current_branch(branch_name):
64 return git.get_head_file() == branch_name
66 def print_branch(branch_name):
70 if os.path.isdir(os.path.join(git.base_dir, 'patches', branch_name)):
72 if is_current_branch(branch_name):
74 if stack.Series(branch_name).get_protected():
76 print '%s %s%s\t%s' % (current, initialized, protected, branch_name)
78 def delete_branch(doomed_name, force = False):
79 if stack.Series(doomed_name).get_protected():
80 raise CmdException, 'This branch is protected. Delete is not permitted'
82 if is_current_branch(doomed_name) and doomed_name != 'master':
83 git.switch_branch('master')
85 stack.Series(doomed_name).delete(force)
87 if doomed_name != 'master':
88 git.delete_branch(doomed_name)
90 print 'Branch "%s" has been deleted.' % doomed_name
92 def rename_branch(from_name, to_name):
93 if from_name == 'master':
94 raise CmdException, 'Renaming the master branch is not allowed'
96 to_patchdir = os.path.join(git.base_dir, 'patches', to_name)
97 if os.path.isdir(to_patchdir):
98 raise CmdException, '"%s" already exists' % to_patchdir
99 to_base = os.path.join(git.base_dir, 'refs', 'bases', to_name)
100 if os.path.isfile(to_base):
101 raise CmdException, '"%s" already exists' % to_base
103 git.rename_branch(from_name, to_name)
105 from_patchdir = os.path.join(git.base_dir, 'patches', from_name)
106 if os.path.isdir(from_patchdir):
107 os.rename(from_patchdir, to_patchdir)
108 from_base = os.path.join(git.base_dir, 'refs', 'bases', from_name)
109 if os.path.isfile(from_base):
110 os.rename(from_base, to_base)
112 print 'Renamed branch "%s" as "%s".' % (from_name, to_name)
114 def func(parser, options, args):
118 if len(args) == 0 or len(args) > 2:
119 parser.error('incorrect number of arguments')
124 git.create_branch(args[0], tree_id)
125 stack.Series(args[0]).init()
127 print 'Branch "%s" created.' % args[0]
133 parser.error('incorrect number of arguments')
134 delete_branch(args[0], options.force)
140 parser.error('incorrect number of arguments')
142 branches = os.listdir(os.path.join(git.base_dir, 'refs', 'heads'))
145 print 'Available branches:'
150 elif options.protect:
153 branch = git.get_head_file()
157 parser.error('incorrect number of arguments')
159 base = os.path.join(git.base_dir, 'refs', 'bases', branch)
160 if not os.path.isfile(base):
161 raise CmdException, 'Branch "%s" is not controlled by StGit' % branch
163 print 'Protecting branch "%s"...' % branch
164 stack.Series(branch).protect()
170 parser.error('incorrect number of arguments')
171 rename_branch(args[0], args[1])
174 elif options.unprotect:
177 branch = git.get_head_file()
181 parser.error('incorrect number of arguments')
183 base = os.path.join(git.base_dir, 'refs', 'bases', branch)
184 if not os.path.isfile(base):
185 raise CmdException, 'Branch "%s" is not controlled by StGit' % branch
187 print 'Unprotecting branch "%s"...' % branch
188 stack.Series(branch).unprotect()
193 print 'Switching to branch "%s"...' % args[0],
196 git.switch_branch(args[0])
201 # default action: print the current branch
203 parser.error('incorrect number of arguments')
205 print git.get_head_file()