1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
# vim: set fileencoding=utf-8 :
#
# (C) 2009,2013 Guido Guenther <agx@sigxcpu.org>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# heavily inspired by dom-safe-pull which is © 2009 Stéphane Glondu <steph@glondu.net>
#
"""fast forward debian, upstream and pristine-tar branch"""
import ConfigParser
import sys
import os, os.path
from gbp.command_wrappers import (Command, CommandExecFailed)
from gbp.config import (GbpOptionParser, GbpOptionGroup)
from gbp.errors import GbpError
from gbp.git import GitRepositoryError
from gbp.deb.git import DebianGitRepository
import gbp.log
def fast_forward_branch(branch, repo, options):
"""
update branch to its remote branch, fail on non fast forward updates
unless --force is given
@return: branch updated or already up to date
@rtype: boolean
"""
update = False
remote = repo.get_merge_branch(branch)
if not remote:
gbp.log.warn("No branch tracking '%s' found - skipping." % branch)
return False
can_fast_forward, up_to_date = repo.is_fast_forward(branch, remote)
if up_to_date: # Great, we're done
gbp.log.info("Branch '%s' is already up to date." % branch)
return True
if can_fast_forward:
update = True
else:
if options.force:
gbp.log.info("Non-fast forwarding '%s' due to --force" % branch)
update = True
else:
gbp.log.warn("Skipping non-fast forward of '%s' - use --force" % branch)
if update:
gbp.log.info("Updating '%s'" % branch)
if repo.branch == branch:
repo.merge(remote)
else:
sha1 = repo.rev_parse(remote)
repo.update_ref("refs/heads/%s" % branch, sha1,
msg="gbp: forward %s to %s" % (branch, remote))
return update
def build_parser(name):
try:
parser = GbpOptionParser(command=os.path.basename(name), prefix='',
usage='%prog [options] - safely update a repository from remote')
except ConfigParser.ParsingError as err:
gbp.log.err(err)
return None
branch_group = GbpOptionGroup(parser, "branch options", "branch update and layout options")
parser.add_option_group(branch_group)
branch_group.add_boolean_config_file_option(option_name = "ignore-branch", dest="ignore_branch")
branch_group.add_option("--force", action="store_true", dest="force", default=False,
help="force a branch update even if it can't be fast forwarded")
branch_group.add_option("--redo-pq", action="store_true", dest="redo_pq", default=False,
help="redo the patch queue branch after a pull. Warning: this drops the old patch-queue branch")
branch_group.add_config_file_option(option_name="upstream-branch", dest="upstream_branch")
branch_group.add_config_file_option(option_name="debian-branch", dest="debian_branch")
branch_group.add_boolean_config_file_option(option_name="pristine-tar", dest="pristine_tar")
branch_group.add_option("--depth", action="store", dest="depth", default=0,
help="git history depth (for deepening shallow clones)")
parser.add_option("-v", "--verbose", action="store_true", dest="verbose", default=False,
help="verbose command execution")
parser.add_config_file_option(option_name="color", dest="color", type='tristate')
parser.add_config_file_option(option_name="color-scheme",
dest="color_scheme")
return parser
def parse_args(argv):
parser = build_parser(argv[0])
if not parser:
return None, None
return parser.parse_args(argv)
def main(argv):
retval = 0
current = None
(options, args) = parse_args(argv)
if not options:
return 1
gbp.log.setup(options.color, options.verbose, options.color_scheme)
try:
repo = DebianGitRepository(os.path.curdir)
except GitRepositoryError:
gbp.log.err("%s is not a git repository" % (os.path.abspath('.')))
return 1
try:
branches = []
try:
current = repo.get_branch()
except GitRepositoryError:
# Not being on any branch is o.k. with --git-ignore-branch
if options.ignore_branch:
current = repo.head
gbp.log.info("Found detached head at '%s'" % current)
else:
raise
for branch in [ options.debian_branch, options.upstream_branch ]:
if repo.has_branch(branch):
branches += [ branch ]
if repo.has_pristine_tar_branch() and options.pristine_tar:
branches += [ repo.pristine_tar_branch ]
(ret, out) = repo.is_clean()
if not ret:
gbp.log.err("You have uncommitted changes in your source tree:")
gbp.log.err(out)
raise GbpError
repo.fetch(depth=options.depth)
repo.fetch(depth=options.depth, tags=True)
for branch in branches:
if not fast_forward_branch(branch, repo, options):
retval = 2
if options.redo_pq:
repo.set_branch(options.debian_branch)
Command("gbp-pq")(["drop"])
Command("gbp-pq")(["import"])
repo.set_branch(current)
except CommandExecFailed:
retval = 1
except (GbpError, GitRepositoryError) as err:
if len(err.__str__()):
gbp.log.err(err)
retval = 1
return retval
if __name__ == '__main__':
sys.exit(main(sys.argv))
# vim:et:ts=4:sw=4:et:sts=4:ai:set list listchars=tab\:»·,trail\:·:
|
