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 *
26 from stgit import utils
32 """Commands class. It performs on-demand module loading
34 def canonical_cmd(self, key):
35 """Return the canonical name for a possibly-shortenned
38 candidates = [cmd for cmd in self.keys() if cmd.startswith(key)]
41 out.error('Unknown command: %s' % key,
42 'Try "%s help" for a list of supported commands' % prog)
43 sys.exit(utils.STGIT_GENERAL_ERROR)
44 elif len(candidates) > 1:
45 out.error('Ambiguous command: %s' % key,
46 'Candidates are: %s' % ', '.join(candidates))
47 sys.exit(utils.STGIT_GENERAL_ERROR)
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)
93 'resolved': 'resolved',
101 'unapplied': 'unapplied',
102 'uncommit': 'uncommit',
106 # classification: repository, stack, patch, working copy
158 def _print_helpstring(cmd):
159 print ' ' + cmd + ' ' * (12 - len(cmd)) + commands[cmd].help
162 print 'usage: %s <command> [options]' % os.path.basename(sys.argv[0])
164 print 'Generic commands:'
165 print ' help print the detailed command usage'
166 print ' version display version information'
167 print ' copyright display copyright information'
168 # unclassified commands if any
169 cmds = commands.keys()
172 if not cmd in repocommands and not cmd in stackcommands \
173 and not cmd in patchcommands and not cmd in wccommands:
174 _print_helpstring(cmd)
177 print 'Repository commands:'
178 for cmd in repocommands:
179 _print_helpstring(cmd)
182 print 'Stack commands:'
183 for cmd in stackcommands:
184 _print_helpstring(cmd)
187 print 'Patch commands:'
188 for cmd in patchcommands:
189 _print_helpstring(cmd)
192 print 'Working-copy commands:'
193 for cmd in wccommands:
194 _print_helpstring(cmd)
197 # The main function (command dispatcher)
204 prog = os.path.basename(sys.argv[0])
206 if len(sys.argv) < 2:
207 print >> sys.stderr, 'usage: %s <command>' % prog
208 print >> sys.stderr, \
209 ' Try "%s --help" for a list of supported commands' % prog
210 sys.exit(utils.STGIT_GENERAL_ERROR)
214 if cmd in ['-h', '--help']:
215 if len(sys.argv) >= 3:
216 cmd = commands.canonical_cmd(sys.argv[2])
217 sys.argv[2] = '--help'
220 sys.exit(utils.STGIT_SUCCESS)
222 if len(sys.argv) == 3 and not sys.argv[2] in ['-h', '--help']:
223 cmd = commands.canonical_cmd(sys.argv[2])
224 if not cmd in commands:
225 out.error('%s help: "%s" command unknown' % (prog, cmd))
226 sys.exit(utils.STGIT_GENERAL_ERROR)
228 sys.argv[0] += ' %s' % cmd
229 command = commands[cmd]
230 parser = OptionParser(usage = command.usage,
231 option_list = command.options)
232 from pydoc import pager
233 pager(parser.format_help())
236 sys.exit(utils.STGIT_SUCCESS)
237 if cmd in ['-v', '--version', 'version']:
238 from stgit.version import version
239 print 'Stacked GIT %s' % version
240 os.system('git --version')
241 print 'Python version %s' % sys.version
242 sys.exit(utils.STGIT_SUCCESS)
243 if cmd in ['copyright']:
245 sys.exit(utils.STGIT_SUCCESS)
247 # re-build the command line arguments
248 cmd = commands.canonical_cmd(cmd)
249 sys.argv[0] += ' %s' % cmd
252 command = commands[cmd]
253 usage = command.usage.split('\n')[0].strip()
254 parser = OptionParser(usage = usage, option_list = command.options)
255 options, args = parser.parse_args()
256 directory = command.directory
258 # These modules are only used from this point onwards and do not
259 # need to be imported earlier
260 from stgit.exception import StgException
261 from stgit.config import config_setup
262 from ConfigParser import ParsingError, NoSectionError
263 from stgit.stack import Series
266 debug_level = int(os.environ.get('STGIT_DEBUG_LEVEL', 0))
268 out.error('Invalid STGIT_DEBUG_LEVEL environment variable')
269 sys.exit(utils.STGIT_GENERAL_ERROR)
275 # Some commands don't (always) need an initialized series.
276 if directory.needs_current_series:
277 if hasattr(options, 'branch') and options.branch:
278 command.crt_series = Series(options.branch)
280 command.crt_series = Series()
282 command.func(parser, options, args)
283 except (StgException, IOError, ParsingError, NoSectionError), err:
284 out.error(str(err), title = '%s %s' % (prog, cmd))
288 sys.exit(utils.STGIT_COMMAND_ERROR)
289 except KeyboardInterrupt:
290 sys.exit(utils.STGIT_GENERAL_ERROR)
292 sys.exit(utils.STGIT_SUCCESS)