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
25 from stgit.out import *
31 """Commands class. It performs on-demand module loading
33 def canonical_cmd(self, key):
34 """Return the canonical name for a possibly-shortenned
37 candidates = [cmd for cmd in self.keys() if cmd.startswith(key)]
40 out.error('Unknown command: %s' % key,
41 'Try "%s help" for a list of supported commands' % prog)
43 elif len(candidates) > 1:
44 out.error('Ambiguous command: %s' % key,
45 'Candidates are: %s' % ', '.join(candidates))
50 def __getitem__(self, key):
51 """Return the command python module name based.
55 cmd_mod = self.get(key) or self.get(self.canonical_cmd(key))
57 __import__('stgit.commands.' + cmd_mod)
58 return getattr(stgit.commands, cmd_mod)
63 'assimilate': 'assimilate',
92 'resolved': 'resolved',
100 'unapplied': 'unapplied',
101 'uncommit': 'uncommit',
105 # classification: repository, stack, patch, working copy
157 def _print_helpstring(cmd):
158 print ' ' + cmd + ' ' * (12 - len(cmd)) + commands[cmd].help
161 print 'usage: %s <command> [options]' % os.path.basename(sys.argv[0])
163 print 'Generic commands:'
164 print ' help print the detailed command usage'
165 print ' version display version information'
166 print ' copyright display copyright information'
167 # unclassified commands if any
168 cmds = commands.keys()
171 if not cmd in repocommands and not cmd in stackcommands \
172 and not cmd in patchcommands and not cmd in wccommands:
173 _print_helpstring(cmd)
176 print 'Repository commands:'
177 for cmd in repocommands:
178 _print_helpstring(cmd)
181 print 'Stack commands:'
182 for cmd in stackcommands:
183 _print_helpstring(cmd)
186 print 'Patch commands:'
187 for cmd in patchcommands:
188 _print_helpstring(cmd)
191 print 'Working-copy commands:'
192 for cmd in wccommands:
193 _print_helpstring(cmd)
196 # The main function (command dispatcher)
203 prog = os.path.basename(sys.argv[0])
205 if len(sys.argv) < 2:
206 print >> sys.stderr, 'usage: %s <command>' % prog
207 print >> sys.stderr, \
208 ' Try "%s --help" for a list of supported commands' % prog
213 if cmd in ['-h', '--help']:
214 if len(sys.argv) >= 3:
215 cmd = commands.canonical_cmd(sys.argv[2])
216 sys.argv[2] = '--help'
221 if len(sys.argv) == 3 and not sys.argv[2] in ['-h', '--help']:
222 cmd = commands.canonical_cmd(sys.argv[2])
223 if not cmd in commands:
224 out.error('%s help: "%s" command unknown' % (prog, cmd))
227 sys.argv[0] += ' %s' % cmd
228 command = commands[cmd]
229 parser = OptionParser(usage = command.usage,
230 option_list = command.options)
231 from pydoc import pager
232 pager(parser.format_help())
236 if cmd in ['-v', '--version', 'version']:
237 from stgit.version import version
238 print 'Stacked GIT %s' % version
239 os.system('git --version')
240 print 'Python version %s' % sys.version
242 if cmd in ['copyright']:
246 # re-build the command line arguments
247 cmd = commands.canonical_cmd(cmd)
248 sys.argv[0] += ' %s' % cmd
251 command = commands[cmd]
252 usage = command.usage.split('\n')[0].strip()
253 parser = OptionParser(usage = usage, option_list = command.options)
254 options, args = parser.parse_args()
255 directory = command.directory
257 # These modules are only used from this point onwards and do not
258 # need to be imported earlier
259 from stgit.exception import StgException
260 from stgit.config import config_setup
261 from ConfigParser import ParsingError, NoSectionError
262 from stgit.stack import Series
265 debug_level = int(os.environ.get('STGIT_DEBUG_LEVEL', 0))
267 out.error('Invalid STGIT_DEBUG_LEVEL environment variable')
274 # Some commands don't (always) need an initialized series.
275 if directory.needs_current_series:
276 if hasattr(options, 'branch') and options.branch:
277 command.crt_series = Series(options.branch)
279 command.crt_series = Series()
280 stgit.commands.common.crt_series = command.crt_series
282 command.func(parser, options, args)
283 except (StgException, IOError, ParsingError, NoSectionError), err:
284 out.error(str(err), title = '%s %s' % (prog, cmd))
289 except KeyboardInterrupt: