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
21 import sys, os, traceback
22 from optparse import OptionParser
25 from stgit.out import *
26 from stgit import run, 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)
68 'coalesce': 'coalesce',
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
206 sys.exit(utils.STGIT_GENERAL_ERROR)
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'
216 sys.exit(utils.STGIT_SUCCESS)
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 out.error('%s help: "%s" command unknown' % (prog, cmd))
222 sys.exit(utils.STGIT_GENERAL_ERROR)
224 sys.argv[0] += ' %s' % cmd
225 command = commands[cmd]
226 parser = OptionParser(usage = command.usage,
227 option_list = command.options)
228 from pydoc import pager
229 pager(parser.format_help())
232 sys.exit(utils.STGIT_SUCCESS)
233 if cmd in ['-v', '--version', 'version']:
234 from stgit.version import version
235 print 'Stacked GIT %s' % version
236 os.system('git --version')
237 print 'Python version %s' % sys.version
238 sys.exit(utils.STGIT_SUCCESS)
239 if cmd in ['copyright']:
241 sys.exit(utils.STGIT_SUCCESS)
243 # re-build the command line arguments
244 cmd = commands.canonical_cmd(cmd)
245 sys.argv[0] += ' %s' % 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()
252 directory = command.directory
254 # These modules are only used from this point onwards and do not
255 # need to be imported earlier
256 from stgit.exception import StgException
257 from stgit.config import config_setup
258 from ConfigParser import ParsingError, NoSectionError
259 from stgit.stack import Series
262 debug_level = int(os.environ.get('STGIT_DEBUG_LEVEL', 0))
264 out.error('Invalid STGIT_DEBUG_LEVEL environment variable')
265 sys.exit(utils.STGIT_GENERAL_ERROR)
271 # Some commands don't (always) need an initialized series.
272 if directory.needs_current_series:
273 if hasattr(options, 'branch') and options.branch:
274 command.crt_series = Series(options.branch)
276 command.crt_series = Series()
278 ret = command.func(parser, options, args)
279 except (StgException, IOError, ParsingError, NoSectionError), err:
280 out.error(str(err), title = '%s %s' % (prog, cmd))
282 traceback.print_exc()
283 sys.exit(utils.STGIT_COMMAND_ERROR)
285 # Triggered by the option parser when it finds bad commandline
287 sys.exit(utils.STGIT_COMMAND_ERROR)
288 except KeyboardInterrupt:
289 sys.exit(utils.STGIT_GENERAL_ERROR)
291 out.error('Unhandled exception:')
292 traceback.print_exc()
293 sys.exit(utils.STGIT_BUG_ERROR)
295 sys.exit(ret or utils.STGIT_SUCCESS)