| 1 | """Basic quilt-like functionality |
| 2 | """ |
| 3 | |
| 4 | __copyright__ = """ |
| 5 | Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com> |
| 6 | |
| 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. |
| 10 | |
| 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. |
| 15 | |
| 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 |
| 19 | """ |
| 20 | |
| 21 | import sys, os |
| 22 | from optparse import OptionParser |
| 23 | |
| 24 | import stgit.commands |
| 25 | from stgit.out import * |
| 26 | |
| 27 | # |
| 28 | # The commands map |
| 29 | # |
| 30 | class Commands(dict): |
| 31 | """Commands class. It performs on-demand module loading |
| 32 | """ |
| 33 | def canonical_cmd(self, key): |
| 34 | """Return the canonical name for a possibly-shortenned |
| 35 | command name. |
| 36 | """ |
| 37 | candidates = [cmd for cmd in self.keys() if cmd.startswith(key)] |
| 38 | |
| 39 | if not candidates: |
| 40 | out.error('Unknown command: %s' % key, |
| 41 | 'Try "%s help" for a list of supported commands' % prog) |
| 42 | sys.exit(1) |
| 43 | elif len(candidates) > 1: |
| 44 | out.error('Ambiguous command: %s' % key, |
| 45 | 'Candidates are: %s' % ', '.join(candidates)) |
| 46 | sys.exit(1) |
| 47 | |
| 48 | return candidates[0] |
| 49 | |
| 50 | def __getitem__(self, key): |
| 51 | """Return the command python module name based. |
| 52 | """ |
| 53 | global prog |
| 54 | |
| 55 | cmd_mod = self.get(key) or self.get(self.canonical_cmd(key)) |
| 56 | |
| 57 | __import__('stgit.commands.' + cmd_mod) |
| 58 | return getattr(stgit.commands, cmd_mod) |
| 59 | |
| 60 | commands = Commands({ |
| 61 | 'add': 'add', |
| 62 | 'applied': 'applied', |
| 63 | 'assimilate': 'assimilate', |
| 64 | 'branch': 'branch', |
| 65 | 'delete': 'delete', |
| 66 | 'diff': 'diff', |
| 67 | 'clean': 'clean', |
| 68 | 'clone': 'clone', |
| 69 | 'commit': 'commit', |
| 70 | 'cp': 'copy', |
| 71 | 'edit': 'edit', |
| 72 | 'export': 'export', |
| 73 | 'files': 'files', |
| 74 | 'float': 'float', |
| 75 | 'fold': 'fold', |
| 76 | 'goto': 'goto', |
| 77 | 'hide': 'hide', |
| 78 | 'id': 'id', |
| 79 | 'import': 'imprt', |
| 80 | 'init': 'init', |
| 81 | 'log': 'log', |
| 82 | 'mail': 'mail', |
| 83 | 'new': 'new', |
| 84 | 'patches': 'patches', |
| 85 | 'pick': 'pick', |
| 86 | 'pop': 'pop', |
| 87 | 'pull': 'pull', |
| 88 | 'push': 'push', |
| 89 | 'rebase': 'rebase', |
| 90 | 'refresh': 'refresh', |
| 91 | 'rename': 'rename', |
| 92 | 'resolved': 'resolved', |
| 93 | 'rm': 'rm', |
| 94 | 'series': 'series', |
| 95 | 'show': 'show', |
| 96 | 'sink': 'sink', |
| 97 | 'status': 'status', |
| 98 | 'sync': 'sync', |
| 99 | 'top': 'top', |
| 100 | 'unapplied': 'unapplied', |
| 101 | 'uncommit': 'uncommit', |
| 102 | 'unhide': 'unhide' |
| 103 | }) |
| 104 | |
| 105 | # classification: repository, stack, patch, working copy |
| 106 | repocommands = ( |
| 107 | 'clone', |
| 108 | 'id', |
| 109 | ) |
| 110 | stackcommands = ( |
| 111 | 'applied', |
| 112 | 'assimilate', |
| 113 | 'branch', |
| 114 | 'clean', |
| 115 | 'commit', |
| 116 | 'float', |
| 117 | 'goto', |
| 118 | 'hide', |
| 119 | 'init', |
| 120 | 'patches', |
| 121 | 'pop', |
| 122 | 'pull', |
| 123 | 'push', |
| 124 | 'rebase', |
| 125 | 'series', |
| 126 | 'sink', |
| 127 | 'top', |
| 128 | 'unapplied', |
| 129 | 'uncommit', |
| 130 | 'unhide', |
| 131 | ) |
| 132 | patchcommands = ( |
| 133 | 'delete', |
| 134 | 'export', |
| 135 | 'files', |
| 136 | 'fold', |
| 137 | 'import', |
| 138 | 'log', |
| 139 | 'mail', |
| 140 | 'new', |
| 141 | 'pick', |
| 142 | 'refresh', |
| 143 | 'rename', |
| 144 | 'show', |
| 145 | 'sync', |
| 146 | ) |
| 147 | wccommands = ( |
| 148 | 'add', |
| 149 | 'cp', |
| 150 | 'diff', |
| 151 | 'resolved', |
| 152 | 'rm', |
| 153 | 'status', |
| 154 | ) |
| 155 | |
| 156 | def _print_helpstring(cmd): |
| 157 | print ' ' + cmd + ' ' * (12 - len(cmd)) + commands[cmd].help |
| 158 | |
| 159 | def print_help(): |
| 160 | print 'usage: %s <command> [options]' % os.path.basename(sys.argv[0]) |
| 161 | print |
| 162 | print 'Generic commands:' |
| 163 | print ' help print the detailed command usage' |
| 164 | print ' version display version information' |
| 165 | print ' copyright display copyright information' |
| 166 | # unclassified commands if any |
| 167 | cmds = commands.keys() |
| 168 | cmds.sort() |
| 169 | for cmd in cmds: |
| 170 | if not cmd in repocommands and not cmd in stackcommands \ |
| 171 | and not cmd in patchcommands and not cmd in wccommands: |
| 172 | _print_helpstring(cmd) |
| 173 | print |
| 174 | |
| 175 | print 'Repository commands:' |
| 176 | for cmd in repocommands: |
| 177 | _print_helpstring(cmd) |
| 178 | print |
| 179 | |
| 180 | print 'Stack commands:' |
| 181 | for cmd in stackcommands: |
| 182 | _print_helpstring(cmd) |
| 183 | print |
| 184 | |
| 185 | print 'Patch commands:' |
| 186 | for cmd in patchcommands: |
| 187 | _print_helpstring(cmd) |
| 188 | print |
| 189 | |
| 190 | print 'Working-copy commands:' |
| 191 | for cmd in wccommands: |
| 192 | _print_helpstring(cmd) |
| 193 | |
| 194 | # |
| 195 | # The main function (command dispatcher) |
| 196 | # |
| 197 | def main(): |
| 198 | """The main function |
| 199 | """ |
| 200 | global prog |
| 201 | |
| 202 | prog = os.path.basename(sys.argv[0]) |
| 203 | |
| 204 | if len(sys.argv) < 2: |
| 205 | print >> sys.stderr, 'usage: %s <command>' % prog |
| 206 | print >> sys.stderr, \ |
| 207 | ' Try "%s --help" for a list of supported commands' % prog |
| 208 | sys.exit(1) |
| 209 | |
| 210 | cmd = sys.argv[1] |
| 211 | |
| 212 | if cmd in ['-h', '--help']: |
| 213 | if len(sys.argv) >= 3: |
| 214 | cmd = commands.canonical_cmd(sys.argv[2]) |
| 215 | sys.argv[2] = '--help' |
| 216 | else: |
| 217 | print_help() |
| 218 | sys.exit(0) |
| 219 | if cmd == 'help': |
| 220 | if len(sys.argv) == 3 and not sys.argv[2] in ['-h', '--help']: |
| 221 | cmd = commands.canonical_cmd(sys.argv[2]) |
| 222 | if not cmd in commands: |
| 223 | out.error('%s help: "%s" command unknown' % (prog, cmd)) |
| 224 | sys.exit(1) |
| 225 | |
| 226 | sys.argv[0] += ' %s' % cmd |
| 227 | command = commands[cmd] |
| 228 | parser = OptionParser(usage = command.usage, |
| 229 | option_list = command.options) |
| 230 | from pydoc import pager |
| 231 | pager(parser.format_help()) |
| 232 | else: |
| 233 | print_help() |
| 234 | sys.exit(0) |
| 235 | if cmd in ['-v', '--version', 'version']: |
| 236 | from stgit.version import version |
| 237 | print 'Stacked GIT %s' % version |
| 238 | os.system('git --version') |
| 239 | print 'Python version %s' % sys.version |
| 240 | sys.exit(0) |
| 241 | if cmd in ['copyright']: |
| 242 | print __copyright__ |
| 243 | sys.exit(0) |
| 244 | |
| 245 | # re-build the command line arguments |
| 246 | cmd = commands.canonical_cmd(cmd) |
| 247 | sys.argv[0] += ' %s' % cmd |
| 248 | del(sys.argv[1]) |
| 249 | |
| 250 | command = commands[cmd] |
| 251 | usage = command.usage.split('\n')[0].strip() |
| 252 | parser = OptionParser(usage = usage, option_list = command.options) |
| 253 | options, args = parser.parse_args() |
| 254 | |
| 255 | # These modules are only used from this point onwards and do not |
| 256 | # need to be imported earlier |
| 257 | from stgit.config import config_setup |
| 258 | from ConfigParser import ParsingError, NoSectionError |
| 259 | from stgit.stack import Series, StackException |
| 260 | from stgit.git import GitException |
| 261 | from stgit.commands.common import CmdException |
| 262 | from stgit.gitmergeonefile import GitMergeException |
| 263 | from stgit.utils import EditorException |
| 264 | |
| 265 | try: |
| 266 | debug_level = int(os.environ['STGIT_DEBUG_LEVEL']) |
| 267 | except KeyError: |
| 268 | debug_level = 0 |
| 269 | except ValueError: |
| 270 | out.error('Invalid STGIT_DEBUG_LEVEL environment variable') |
| 271 | sys.exit(1) |
| 272 | |
| 273 | try: |
| 274 | config_setup() |
| 275 | |
| 276 | # 'clone' doesn't expect an already initialised GIT tree. A Series |
| 277 | # object will be created after the GIT tree is cloned |
| 278 | if cmd != 'clone': |
| 279 | if hasattr(options, 'branch') and options.branch: |
| 280 | command.crt_series = Series(options.branch) |
| 281 | else: |
| 282 | command.crt_series = Series() |
| 283 | stgit.commands.common.crt_series = command.crt_series |
| 284 | |
| 285 | command.func(parser, options, args) |
| 286 | except (IOError, ParsingError, NoSectionError, CmdException, |
| 287 | StackException, GitException, GitMergeException, |
| 288 | EditorException), err: |
| 289 | print >> sys.stderr, '%s %s: %s' % (prog, cmd, err) |
| 290 | if debug_level > 0: |
| 291 | raise |
| 292 | else: |
| 293 | sys.exit(2) |
| 294 | except KeyboardInterrupt: |
| 295 | sys.exit(1) |
| 296 | |
| 297 | sys.exit(0) |