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',
92 'resolved': 'resolved',
99 'unapplied': 'unapplied',
100 'uncommit': 'uncommit',
104 # classification: repository, stack, patch, working copy
154 def _print_helpstring(cmd):
155 print ' ' + cmd + ' ' * (12 - len(cmd)) + commands[cmd].help
158 print 'usage: %s <command> [options]' % os.path.basename(sys.argv[0])
160 print 'Generic commands:'
161 print ' help print the detailed command usage'
162 print ' version display version information'
163 print ' copyright display copyright information'
164 # unclassified commands if any
165 cmds = commands.keys()
168 if not cmd in repocommands and not cmd in stackcommands \
169 and not cmd in patchcommands and not cmd in wccommands:
170 _print_helpstring(cmd)
173 print 'Repository commands:'
174 for cmd in repocommands:
175 _print_helpstring(cmd)
178 print 'Stack commands:'
179 for cmd in stackcommands:
180 _print_helpstring(cmd)
183 print 'Patch commands:'
184 for cmd in patchcommands:
185 _print_helpstring(cmd)
188 print 'Working-copy commands:'
189 for cmd in wccommands:
190 _print_helpstring(cmd)
193 # The main function (command dispatcher)
200 prog = os.path.basename(sys.argv[0])
202 if len(sys.argv) < 2:
203 print >> sys.stderr, 'usage: %s <command>' % prog
204 print >> sys.stderr, \
205 ' Try "%s --help" for a list of supported commands' % prog
210 if cmd in ['-h', '--help']:
211 if len(sys.argv) >= 3:
212 cmd = commands.canonical_cmd(sys.argv[2])
213 sys.argv[2] = '--help'
218 if len(sys.argv) == 3 and not sys.argv[2] in ['-h', '--help']:
219 cmd = commands.canonical_cmd(sys.argv[2])
220 if not cmd in commands:
221 print >> sys.stderr, '%s help: "%s" command unknown' \
225 sys.argv[0] += ' %s' % cmd
226 command = commands[cmd]
227 parser = OptionParser(usage = command.usage,
228 option_list = command.options)
229 from pydoc import pager
230 pager(parser.format_help())
234 if cmd in ['-v', '--version', 'version']:
235 from stgit.version import version
236 print 'Stacked GIT %s' % version
237 os.system('git --version')
238 print 'Python version %s' % sys.version
240 if cmd in ['copyright']:
244 # re-build the command line arguments
245 sys.argv[0] += ' %s' % commands.canonical_cmd(cmd)
248 command = commands[cmd]
249 usage = command.usage.split('\n')[0].strip()
250 parser = OptionParser(usage = usage, option_list = command.options)
251 options, args = parser.parse_args()
253 # These modules are only used from this point onwards and do not
254 # need to be imported earlier
255 from stgit.config import config_setup
256 from ConfigParser import ParsingError, NoSectionError
257 from stgit.stack import Series, StackException
258 from stgit.git import GitException
259 from stgit.commands.common import CmdException
260 from stgit.gitmergeonefile import GitMergeException
261 from stgit.utils import EditorException
264 debug_level = int(os.environ['STGIT_DEBUG_LEVEL'])
268 print >> sys.stderr, 'Invalid STGIT_DEBUG_LEVEL environment variable'
274 # 'clone' doesn't expect an already initialised GIT tree. A Series
275 # object will be created after the GIT tree is cloned
277 if hasattr(options, 'branch') and options.branch:
278 command.crt_series = Series(options.branch)
280 command.crt_series = Series()
281 stgit.commands.common.crt_series = command.crt_series
283 command.func(parser, options, args)
284 except (IOError, ParsingError, NoSectionError, CmdException,
285 StackException, GitException, GitMergeException,
286 EditorException), err:
287 print >> sys.stderr, '%s %s: %s' % (prog, cmd, err)
292 except KeyboardInterrupt: