1 """Basic quilt-like functionality
5 Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.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
30 """Commands class. It performs on-demand module loading
32 def canonical_cmd(self, key):
33 """Return the canonical name for a possibly-shortenned
36 candidates = [cmd for cmd in self.keys() if cmd.startswith(key)]
39 print >> sys.stderr, 'Unknown command: %s' % key
40 print >> sys.stderr, ' Try "%s help" for a list of ' \
41 'supported commands' % prog
43 elif len(candidates) > 1:
44 print >> sys.stderr, 'Ambiguous command: %s' % key
45 print >> sys.stderr, ' Candidates are: %s' \
46 % ', '.join(candidates)
51 def __getitem__(self, key):
52 """Return the command python module name based.
56 cmd_mod = self.get(key) or self.get(self.canonical_cmd(key))
58 __import__('stgit.commands.' + cmd_mod)
59 return getattr(stgit.commands, cmd_mod)
64 'assimilate': 'assimilate',
91 'resolved': 'resolved',
98 'unapplied': 'unapplied',
99 'uncommit': 'uncommit',
103 # classification: repository, stack, patch, working copy
152 def _print_helpstring(cmd):
153 print ' ' + cmd + ' ' * (12 - len(cmd)) + commands[cmd].help
156 print 'usage: %s <command> [options]' % os.path.basename(sys.argv[0])
158 print 'Generic commands:'
159 print ' help print the detailed command usage'
160 print ' version display version information'
161 print ' copyright display copyright information'
162 # unclassified commands if any
163 cmds = commands.keys()
166 if not cmd in repocommands and not cmd in stackcommands \
167 and not cmd in patchcommands and not cmd in wccommands:
168 _print_helpstring(cmd)
171 print 'Repository commands:'
172 for cmd in repocommands:
173 _print_helpstring(cmd)
176 print 'Stack commands:'
177 for cmd in stackcommands:
178 _print_helpstring(cmd)
181 print 'Patch commands:'
182 for cmd in patchcommands:
183 _print_helpstring(cmd)
186 print 'Working-copy commands:'
187 for cmd in wccommands:
188 _print_helpstring(cmd)
191 # The main function (command dispatcher)
198 prog = os.path.basename(sys.argv[0])
200 if len(sys.argv) < 2:
201 print >> sys.stderr, 'usage: %s <command>' % prog
202 print >> sys.stderr, \
203 ' Try "%s --help" for a list of supported commands' % prog
208 if cmd in ['-h', '--help']:
209 if len(sys.argv) >= 3:
210 cmd = commands.canonical_cmd(sys.argv[2])
211 sys.argv[2] = '--help'
216 if len(sys.argv) == 3 and not sys.argv[2] in ['-h', '--help']:
217 cmd = commands.canonical_cmd(sys.argv[2])
218 if not cmd in commands:
219 print >> sys.stderr, '%s help: "%s" command unknown' \
223 sys.argv[0] += ' %s' % cmd
224 command = commands[cmd]
225 parser = OptionParser(usage = command.usage,
226 option_list = command.options)
227 from pydoc import pager
228 pager(parser.format_help())
232 if cmd in ['-v', '--version', 'version']:
233 from stgit.version import version
234 print 'Stacked GIT %s' % version
235 os.system('git --version')
236 print 'Python version %s' % sys.version
238 if cmd in ['copyright']:
242 # re-build the command line arguments
243 sys.argv[0] += ' %s' % commands.canonical_cmd(cmd)
246 command = commands[cmd]
247 usage = command.usage.split('\n')[0].strip()
248 parser = OptionParser(usage = usage, option_list = command.options)
249 options, args = parser.parse_args()
251 # These modules are only used from this point onwards and do not
252 # need to be imported earlier
253 from stgit.config import config_setup
254 from ConfigParser import ParsingError, NoSectionError
255 from stgit.stack import Series, StackException
256 from stgit.git import GitException
257 from stgit.commands.common import CmdException
258 from stgit.gitmergeonefile import GitMergeException
263 # 'clone' doesn't expect an already initialised GIT tree. A Series
264 # object will be created after the GIT tree is cloned
266 if hasattr(options, 'branch') and options.branch:
267 command.crt_series = Series(options.branch)
269 command.crt_series = Series()
270 stgit.commands.common.crt_series = command.crt_series
272 command.func(parser, options, args)
273 except (IOError, ParsingError, NoSectionError, CmdException,
274 StackException, GitException, GitMergeException), err:
275 print >> sys.stderr, '%s %s: %s' % (prog, cmd, err)
277 except KeyboardInterrupt: