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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# TODO: Split the command framework away from the actual commands.
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# TODO: probably should say which arguments are candidates for glob
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# expansion on windows and do that at the command level.
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from bzrlib.trace import mutter, note, log_error, warning
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def get_merge_type(typestring):
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"""Attempt to find the merge class/factory associated with a string."""
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from merge import merge_types
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return merge_types[typestring][0]
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templ = '%s%%7s: %%s' % (' '*12)
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lines = [templ % (f[0], f[1][1]) for f in merge_types.iteritems()]
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type_list = '\n'.join(lines)
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msg = "No known merge type %s. Supported types are:\n%s" %\
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(typestring, type_list)
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raise BzrCommandError(msg)
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def _get_cmd_dict(plugins_override=True):
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class ExternalCommand(Command):
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"""Class to wrap external commands.
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We cheat a little here, when get_cmd_class() calls us we actually
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give it back an object we construct that has the appropriate path,
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help, options etc for the specified command.
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When run_bzr() tries to instantiate that 'class' it gets caught by
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the __call__ method, which we override to call the Command.__init__
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method. That then calls our run method which is pretty straight
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The only wrinkle is that we have to map bzr's dictionary of options
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and arguments back into command line options and arguments for the
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We cheat a little here, when get_cmd_class() calls us we actually give it back
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an object we construct that has the appropriate path, help, options etc for the
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When run_bzr() tries to instantiate that 'class' it gets caught by the __call__
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method, which we override to call the Command.__init__ method. That then calls
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our run method which is pretty straight forward.
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The only wrinkle is that we have to map bzr's dictionary of options and arguments
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back into command line options and arguments for the script.
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def find_command(cls, cmd):
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class cmd_mv(Command):
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"""Move or rename a file.
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bzr mv OLDNAME NEWNAME
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bzr mv SOURCE... DESTINATION
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If the last argument is a versioned directory, all the other names
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are moved into it. Otherwise, there must be exactly two arguments
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and the file is changed to a new name, which must not already exist.
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Files cannot be moved between branches.
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takes_args = ['names*']
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def run(self, names_list):
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if len(names_list) < 2:
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raise BzrCommandError("missing file argument")
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b = find_branch(names_list[0])
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rel_names = [b.relpath(x) for x in names_list]
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if os.path.isdir(names_list[-1]):
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# move into existing directory
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b.move(rel_names[:-1], rel_names[-1])
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if len(names_list) != 2:
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raise BzrCommandError('to mv multiple files the destination '
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'must be a versioned directory')
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b.move(rel_names[0], rel_names[1])
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class cmd_pull(Command):
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takes_args = ['from_location', 'to_location?']
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takes_options = ['revision']
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aliases = ['get', 'clone']
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def run(self, from_location, to_location=None, revision=None):
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from bzrlib.merge import merge
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from bzrlib.branch import DivergedBranches, \
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from bzrlib.branch import DivergedBranches, NoSuchRevision, \
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find_cached_branch, Branch
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from shutil import rmtree
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from meta_store import CachedStore
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b = find_branch('.')
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if selected_list:
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selected_list = [b.relpath(s) for s in selected_list]
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selected_list = [b.relpath('.')]
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if selected_list == ['.']:
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selected_list = None
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b.commit(message, verbose=verbose,
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specific_files=selected_list,
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--force is given.
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takes_args = ['other_spec', 'base_spec?']
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takes_options = ['force', 'merge-type']
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takes_options = ['force']
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def run(self, other_spec, base_spec=None, force=False, merge_type=None):
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def run(self, other_spec, base_spec=None, force=False):
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from bzrlib.merge import merge
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from bzrlib.merge_core import ApplyMerge3
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if merge_type is None:
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merge_type = ApplyMerge3
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merge(parse_spec(other_spec), parse_spec(base_spec),
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check_clean=(not force), merge_type=merge_type)
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check_clean=(not force))
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class cmd_revert(Command):
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"""Restore selected files from a previous revision.
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takes_args = ['file+']
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def run(self, file_list):
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from bzrlib.branch import find_branch
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b = find_branch(file_list[0])
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b.revert([b.relpath(f) for f in file_list])
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class cmd_merge_revert(Command):
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"""Reverse all changes since the last commit.
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Only versioned files are affected. Specify filenames to revert only
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those files. By default, any files that are changed will be backed up
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first. Backup files have a '~' appended to their name.
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Only versioned files are affected.
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TODO: Store backups of any files that will be reverted, so
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that the revert can be undone.
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takes_options = ['revision', 'no-backup']
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takes_args = ['file*']
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aliases = ['merge-revert']
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takes_options = ['revision']
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def run(self, revision=None, no_backup=False, file_list=None):
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def run(self, revision=None):
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from bzrlib.merge import merge
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if file_list is not None:
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if len(file_list) == 0:
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raise BzrCommandError("No files specified")
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if revision is None:
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revision = [-1]
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elif len(revision) != 1:
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raise BzrCommandError('bzr revert --revision takes exactly 1 argument')
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raise BzrCommandError('bzr merge-revert --revision takes exactly 1 argument')
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merge(('.', revision[0]), parse_spec('.'),
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check_clean=False,
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backup_files=not no_backup,
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file_list=file_list)
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class cmd_assert_fail(Command):
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def _parse_master_args(argv):
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"""Parse the arguments that always go with the original command.
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These are things like bzr --no-plugins, etc.
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There are now 2 types of option flags. Ones that come *before* the command,
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and ones that come *after* the command.
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Ones coming *before* the command are applied against all possible commands.
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And are generally applied before plugins are loaded.
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The current list are:
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--builtin Allow plugins to load, but don't let them override builtin commands,
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they will still be allowed if they do not override a builtin.
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--no-plugins Don't load any plugins. This lets you get back to official source
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--profile Enable the hotspot profile before running the command.
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For backwards compatibility, this is also a non-master option.
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--version Spit out the version of bzr that is running and exit.
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This is also a non-master option.
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--help Run help and exit, also a non-master option (I think that should stay, though)
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>>> argv, opts = _parse_master_args(['--test'])
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Traceback (most recent call last):
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BzrCommandError: Invalid master option: 'test'
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>>> argv, opts = _parse_master_args(['--version', 'command'])
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>>> print opts['version']
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>>> argv, opts = _parse_master_args(['--profile', 'command', '--more-options'])
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['command', '--more-options']
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>>> print opts['profile']
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>>> argv, opts = _parse_master_args(['--no-plugins', 'command'])
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>>> print opts['no-plugins']
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>>> print opts['profile']
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>>> argv, opts = _parse_master_args(['command', '--profile'])
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['command', '--profile']
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>>> print opts['profile']
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master_opts = {'builtin':False,
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if arg[:2] != '--': # at the first non-option, we return the rest
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arg = arg[2:] # Remove '--'
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if arg not in master_opts:
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# We could say that this is not an error, that we should
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# just let it be handled by the main section instead
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raise BzrCommandError('Invalid master option: %r' % arg)
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argv.pop(0) # We are consuming this entry
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master_opts[arg] = True
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return argv, master_opts
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def run_bzr(argv):
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"""Execute a command.
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logging and error handling.
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The command-line arguments, without the program name from argv[0]
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The command-line arguments, without the program name.
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Returns a command status or raises an exception.
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Special master options: these must come before the command because
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they control how the command is interpreted.
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Do not load plugin modules at all
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Only use builtin commands. (Plugins are still allowed to change
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Run under the Python profiler.
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argv = [a.decode(bzrlib.user_encoding) for a in argv]
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opt_profile = opt_no_plugins = opt_builtin = False
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# --no-plugins is handled specially at a very early stage. We need
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# to load plugins before doing other command parsing so that they
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# can override commands, but this needs to happen first.
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if a == '--profile':
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elif a == '--no-plugins':
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opt_no_plugins = True
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elif a == '--builtin':
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if not opt_no_plugins:
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# some options like --builtin and --no-plugins have special effects
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argv, master_opts = _parse_master_args(argv)
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if not master_opts['no-plugins']:
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from bzrlib.plugin import load_plugins
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args, opts = parse_args(argv)
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if master_opts.get('help') or 'help' in opts:
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from bzrlib.help import help
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if args and args[0] == 'builtin':
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include_plugins=False
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cmd = str(args.pop(0))
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print >>sys.stderr, "please try 'bzr help' for help"
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cmd = str(args.pop(0))
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canonical_cmd, cmd_class = \
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get_cmd_class(cmd, plugins_override=not opt_builtin)
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plugins_override = not (master_opts['builtin'])
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canonical_cmd, cmd_class = get_cmd_class(cmd, plugins_override=plugins_override)
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profile = master_opts['profile']
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# For backwards compatibility, I would rather stick with --profile being a
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# master/global option
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if 'profile' in opts:
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# check options are reasonable
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allowed = cmd_class.takes_options