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)
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
204 sys.exit(utils.STGIT_GENERAL_ERROR)
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'
214 sys.exit(utils.STGIT_SUCCESS)
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 out.error('%s help: "%s" command unknown' % (prog, cmd))
220 sys.exit(utils.STGIT_GENERAL_ERROR)
222 sys.argv[0] += ' %s' % cmd
223 command = commands[cmd]
224 parser = OptionParser(usage = command.usage,
225 option_list = command.options)
226 from pydoc import pager
227 pager(parser.format_help())
230 sys.exit(utils.STGIT_SUCCESS)
231 if cmd in ['-v', '--version', 'version']:
232 from stgit.version import version
233 print 'Stacked GIT %s' % version
234 os.system('git --version')
235 print 'Python version %s' % sys.version
236 sys.exit(utils.STGIT_SUCCESS)
237 if cmd in ['copyright']:
239 sys.exit(utils.STGIT_SUCCESS)
241 # re-build the command line arguments
242 cmd = commands.canonical_cmd(cmd)
243 sys.argv[0] += ' %s' % 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()
250 directory = command.directory
252 # These modules are only used from this point onwards and do not
253 # need to be imported earlier
254 from stgit.exception import StgException
255 from stgit.config import config_setup
256 from ConfigParser import ParsingError, NoSectionError
257 from stgit.stack import Series
260 debug_level = int(os.environ.get('STGIT_DEBUG_LEVEL', 0))
262 out.error('Invalid STGIT_DEBUG_LEVEL environment variable')
263 sys.exit(utils.STGIT_GENERAL_ERROR)
269 # Some commands don't (always) need an initialized series.
270 if directory.needs_current_series:
271 if hasattr(options, 'branch') and options.branch:
272 command.crt_series = Series(options.branch)
274 command.crt_series = Series()
276 command.func(parser, options, args)
277 except (StgException, IOError, ParsingError, NoSectionError), err:
278 out.error(str(err), title = '%s %s' % (prog, cmd))
282 sys.exit(utils.STGIT_COMMAND_ERROR)
283 except KeyboardInterrupt:
284 sys.exit(utils.STGIT_GENERAL_ERROR)
286 sys.exit(utils.STGIT_SUCCESS)