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, basedir
29 help = 'manage development branches'
30 usage = """%prog [options] branch-name [commit-id]
32 Create, clone, 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 via GIT branches.
37 When displaying the branches, the names can be prefixed with
38 's' (StGIT managed) or 'p' (protected).
40 If not given any options, switch to the named branch."""
42 options = [make_option('-c', '--create',
43 help = 'create a new development branch',
44 action = 'store_true'),
45 make_option('--clone',
46 help = 'clone the contents of the current branch',
47 action = 'store_true'),
48 make_option('--convert',
49 help = 'switch between old and new format branches',
50 action = 'store_true'),
51 make_option('--delete',
52 help = 'delete an existing development branch',
53 action = 'store_true'),
54 make_option('--force',
55 help = 'force a delete when the series is not empty',
56 action = 'store_true'),
57 make_option('-l', '--list',
58 help = 'list branches contained in this repository',
59 action = 'store_true'),
60 make_option('-p', '--protect',
61 help = 'prevent "stg pull" from modifying this branch',
62 action = 'store_true'),
63 make_option('-r', '--rename',
64 help = 'rename an existing development branch',
65 action = 'store_true'),
66 make_option('-u', '--unprotect',
67 help = 'allow "stg pull" to modify this branch',
68 action = 'store_true')]
71 def __is_current_branch(branch_name):
72 return crt_series.get_branch() == branch_name
74 def __print_branch(branch_name, length):
79 branch = stack.Series(branch_name)
81 if branch.is_initialised():
83 if __is_current_branch(branch_name):
85 if branch.get_protected():
87 print current + ' ' + initialized + protected + '\t' + \
88 branch_name.ljust(length) + ' | ' + branch.get_description()
90 def __delete_branch(doomed_name, force = False):
91 doomed = stack.Series(doomed_name)
93 if doomed.get_protected():
94 raise CmdException, 'This branch is protected. Delete is not permitted'
96 print 'Deleting branch "%s"...' % doomed_name,
99 if __is_current_branch(doomed_name):
100 check_local_changes()
102 check_head_top_equal()
104 if doomed_name != 'master':
105 git.switch_branch('master')
109 if doomed_name != 'master':
110 git.delete_branch(doomed_name)
114 def func(parser, options, args):
118 if len(args) == 0 or len(args) > 2:
119 parser.error('incorrect number of arguments')
121 check_local_changes()
123 check_head_top_equal()
128 if git.rev_parse(args[1]) == git.rev_parse('refs/heads/' + args[1]):
129 # we are for sure referring to a branch
130 parentbranch = 'refs/heads/' + args[1]
131 print 'Recording "%s" as parent branch.' % parentbranch
132 elif git.rev_parse(args[1]) and re.search('/', args[1]):
133 # FIXME: should the test be more strict ?
134 parentbranch = args[1]
136 # Note: this includes refs to StGIT patches
137 print 'Don\'t know how to determine parent branch from "%s".' % args[1]
139 except git.GitException:
140 # should use a more specific exception to catch only non-git refs ?
141 print 'Don\'t know how to determine parent branch from "%s".' % args[1]
144 tree_id = git_id(args[1])
146 # branch stack off current branch
147 parentbranch = git.get_head_file()
150 parentremote = git.identify_remote(parentbranch)
152 print 'Using "%s" remote to pull parent from.' % parentremote
154 print 'Not identified a remote to pull parent from.'
158 stack.Series(args[0]).init(create_at = tree_id,
159 parent_remote = parentremote,
160 parent_branch = parentbranch)
162 print 'Branch "%s" created.' % args[0]
168 clone = crt_series.get_branch() + \
169 time.strftime('-%C%y%m%d-%H%M%S')
173 parser.error('incorrect number of arguments')
175 check_local_changes()
177 check_head_top_equal()
179 print 'Cloning current branch to "%s"...' % clone,
181 crt_series.clone(clone)
186 elif options.convert:
189 parser.error('incorrect number of arguments')
197 parser.error('incorrect number of arguments')
198 __delete_branch(args[0], options.force)
204 parser.error('incorrect number of arguments')
207 basepath = os.path.join(basedir.get(), 'refs', 'heads')
208 for path, files, dirs in walk_tree(basepath):
209 branches += [os.path.join(path, f) for f in files]
213 print 'Available branches:'
214 max_len = max([len(i) for i in branches])
216 __print_branch(i, max_len)
221 elif options.protect:
224 branch_name = crt_series.get_branch()
226 branch_name = args[0]
228 parser.error('incorrect number of arguments')
229 branch = stack.Series(branch_name)
231 if not branch.is_initialised():
232 raise CmdException, 'Branch "%s" is not controlled by StGIT' \
235 print 'Protecting branch "%s"...' % branch_name,
245 parser.error('incorrect number of arguments')
247 if __is_current_branch(args[0]):
248 raise CmdException, 'Renaming the current branch is not supported'
250 stack.Series(args[0]).rename(args[1])
252 print 'Renamed branch "%s" as "%s".' % (args[0], args[1])
256 elif options.unprotect:
259 branch_name = crt_series.get_branch()
261 branch_name = args[0]
263 parser.error('incorrect number of arguments')
264 branch = stack.Series(branch_name)
266 if not branch.is_initialised():
267 raise CmdException, 'Branch "%s" is not controlled by StGIT' \
270 print 'Unprotecting branch "%s"...' % branch_name,
279 if __is_current_branch(args[0]):
280 raise CmdException, 'Branch "%s" is already the current branch' \
283 check_local_changes()
285 check_head_top_equal()
287 print 'Switching to branch "%s"...' % args[0],
290 git.switch_branch(args[0])
295 # default action: print the current branch
297 parser.error('incorrect number of arguments')
299 print crt_series.get_branch()