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# Copyright (C) 2004, 2005 by Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from bzrlib.trace import mutter, note, log_error
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from bzrlib.errors import BzrError, BzrCheckError, BzrCommandError
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from bzrlib.osutils import quotefn
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from bzrlib import Branch, Inventory, InventoryEntry, BZRDIR, \
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def register_command(cmd):
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"Utility function to help register a command"
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if k.startswith("cmd_"):
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k_unsquished = _unsquish_command_name(k)
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if not plugin_cmds.has_key(k_unsquished):
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plugin_cmds[k_unsquished] = cmd
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log_error('Two plugins defined the same command: %r' % k)
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log_error('Not loading the one in %r' % sys.modules[cmd.__module__])
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def _squish_command_name(cmd):
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return 'cmd_' + cmd.replace('-', '_')
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def _unsquish_command_name(cmd):
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assert cmd.startswith("cmd_")
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return cmd[4:].replace('_','-')
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def _parse_revision_str(revstr):
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"""This handles a revision string -> revno.
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There are several possibilities:
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'234:345' -> [234, 345]
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In the future we will also support:
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'uuid:blah-blah-blah' -> ?
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'hash:blahblahblah' -> ?
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if revstr.find(':') != -1:
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revs = revstr.split(':')
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raise ValueError('More than 2 pieces not supported for --revision: %r' % revstr)
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revs[0] = int(revs[0])
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revs[1] = int(revs[1])
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def _get_cmd_dict(plugins_override=True):
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for k, v in globals().iteritems():
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if k.startswith("cmd_"):
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d[_unsquish_command_name(k)] = v
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# If we didn't load plugins, the plugin_cmds dict will be empty
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d2 = plugin_cmds.copy()
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def get_all_cmds(plugins_override=True):
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"""Return canonical name and class for all registered commands."""
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for k, v in _get_cmd_dict(plugins_override=plugins_override).iteritems():
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def get_cmd_class(cmd, plugins_override=True):
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"""Return the canonical name and command class for a command.
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cmd = str(cmd) # not unicode
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# first look up this command under the specified name
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cmds = _get_cmd_dict(plugins_override=plugins_override)
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return cmd, cmds[cmd]
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# look for any command which claims this as an alias
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for cmdname, cmdclass in cmds.iteritems():
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if cmd in cmdclass.aliases:
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return cmdname, cmdclass
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cmdclass = ExternalCommand.find_command(cmd)
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raise BzrCommandError("unknown command %r" % cmd)
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class Command(object):
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"""Base class for commands.
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The docstring for an actual command should give a single-line
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summary, then a complete description of the command. A grammar
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description will be inserted.
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List of argument forms, marked with whether they are optional,
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List of options that may be given for this command.
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If true, this command isn't advertised.
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def __init__(self, options, arguments):
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"""Construct and run the command.
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Sets self.status to the return value of run()."""
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assert isinstance(options, dict)
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assert isinstance(arguments, dict)
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cmdargs = options.copy()
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cmdargs.update(arguments)
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assert self.__doc__ != Command.__doc__, \
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("No help message set for %r" % self)
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self.status = self.run(**cmdargs)
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"""Override this in sub-classes.
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This is invoked with the options and arguments bound to
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Return 0 or None if the command was successful, or a shell
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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 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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bzrpath = os.environ.get('BZRPATH', '')
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for dir in bzrpath.split(os.pathsep):
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path = os.path.join(dir, cmd)
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if os.path.isfile(path):
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return ExternalCommand(path)
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find_command = classmethod(find_command)
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def __init__(self, path):
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pipe = os.popen('%s --bzr-usage' % path, 'r')
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self.takes_options = pipe.readline().split()
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for opt in self.takes_options:
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if not opt in OPTIONS:
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raise BzrError("Unknown option '%s' returned by external command %s"
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# TODO: Is there any way to check takes_args is valid here?
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self.takes_args = pipe.readline().split()
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if pipe.close() is not None:
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raise BzrError("Failed funning '%s --bzr-usage'" % path)
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pipe = os.popen('%s --bzr-help' % path, 'r')
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self.__doc__ = pipe.read()
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if pipe.close() is not None:
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raise BzrError("Failed funning '%s --bzr-help'" % path)
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def __call__(self, options, arguments):
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Command.__init__(self, options, arguments)
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def run(self, **kargs):
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optname = name.replace('_','-')
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if OPTIONS.has_key(optname):
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opts.append('--%s' % optname)
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if value is not None and value is not True:
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opts.append(str(value))
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# it's an arg, or arg list
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if type(value) is not list:
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self.status = os.spawnv(os.P_WAIT, self.path, [self.path] + opts + args)
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class cmd_status(Command):
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"""Display status summary.
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This reports on versioned and unknown files, reporting them
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grouped by state. Possible states are:
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Versioned in the working copy but not in the previous revision.
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Versioned in the previous revision but removed or deleted
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Path of this file changed from the previous revision;
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the text may also have changed. This includes files whose
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parent directory was renamed.
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Text has changed since the previous revision.
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Nothing about this file has changed since the previous revision.
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Only shown with --all.
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Not versioned and not matching an ignore pattern.
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To see ignored files use 'bzr ignored'. For details in the
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changes to file texts, use 'bzr diff'.
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If no arguments are specified, the status of the entire working
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directory is shown. Otherwise, only the status of the specified
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files or directories is reported. If a directory is given, status
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is reported for everything inside that directory.
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takes_args = ['file*']
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takes_options = ['all', 'show-ids']
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aliases = ['st', 'stat']
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def run(self, all=False, show_ids=False, file_list=None):
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b = Branch(file_list[0])
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file_list = [b.relpath(x) for x in file_list]
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# special case: only one path was given and it's the root
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if file_list == ['']:
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status.show_status(b, show_unchanged=all, show_ids=show_ids,
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specific_files=file_list)
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class cmd_cat_revision(Command):
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"""Write out metadata for a revision."""
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takes_args = ['revision_id']
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def run(self, revision_id):
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Branch('.').get_revision(revision_id).write_xml(sys.stdout)
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class cmd_revno(Command):
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"""Show current revision number.
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This is equal to the number of revisions on this branch."""
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print Branch('.').revno()
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class cmd_add(Command):
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"""Add specified files or directories.
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In non-recursive mode, all the named items are added, regardless
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of whether they were previously ignored. A warning is given if
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any of the named files are already versioned.
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In recursive mode (the default), files are treated the same way
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but the behaviour for directories is different. Directories that
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are already versioned do not give a warning. All directories,
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whether already versioned or not, are searched for files or
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subdirectories that are neither versioned or ignored, and these
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are added. This search proceeds recursively into versioned
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Therefore simply saying 'bzr add .' will version all files that
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are currently unknown.
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TODO: Perhaps adding a file whose directly is not versioned should
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recursively add that parent, rather than giving an error?
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takes_args = ['file+']
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takes_options = ['verbose', 'no-recurse']
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def run(self, file_list, verbose=False, no_recurse=False):
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bzrlib.add.smart_add(file_list, verbose, not no_recurse)
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class cmd_mkdir(Command):
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"""Create a new versioned directory.
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This is equivalent to creating the directory and then adding it.
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takes_args = ['dir+']
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def run(self, dir_list):
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b = bzrlib.branch.Branch(d)
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b.add([d], verbose=True)
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class cmd_relpath(Command):
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"""Show path of a file relative to root"""
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takes_args = ['filename']
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def run(self, filename):
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print Branch(filename).relpath(filename)
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class cmd_inventory(Command):
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"""Show inventory of the current working copy or a revision."""
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takes_options = ['revision', 'show-ids']
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def run(self, revision=None, show_ids=False):
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inv = b.read_working_inventory()
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inv = b.get_revision_inventory(b.lookup_revision(revision))
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for path, entry in inv.entries():
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print '%-50s %s' % (path, entry.file_id)
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class cmd_move(Command):
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"""Move files to a different directory.
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The destination must be a versioned directory in the same branch.
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takes_args = ['source$', 'dest']
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def run(self, source_list, dest):
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b.move([b.relpath(s) for s in source_list], b.relpath(dest))
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class cmd_rename(Command):
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"""Change the name of an entry.
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bzr rename frob.c frobber.c
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bzr rename src/frob.c lib/frob.c
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It is an error if the destination name exists.
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See also the 'move' command, which moves files into a different
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directory without changing their name.
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TODO: Some way to rename multiple files without invoking bzr for each
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takes_args = ['from_name', 'to_name']
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def run(self, from_name, to_name):
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b.rename_one(b.relpath(from_name), b.relpath(to_name))
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class cmd_pull(Command):
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"""Pull any changes from another branch into the current one.
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If the location is omitted, the last-used location will be used.
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Both the revision history and the working directory will be
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This command only works on branches that have not diverged. Branches are
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considered diverged if both branches have had commits without first
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pulling from the other.
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If branches have diverged, you can use 'bzr merge' to pull the text changes
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from one into the other.
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takes_args = ['location?']
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def run(self, location=None):
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from bzrlib.merge import merge
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stored_loc = br_to.controlfile("x-pull", "rb").read().rstrip('\n')
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if errno == errno.ENOENT:
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if stored_loc is None:
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raise BzrCommandError("No pull location known or specified.")
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print "Using last location: %s" % stored_loc
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location = stored_loc
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from branch import find_branch, DivergedBranches
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br_from = find_branch(location)
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location = pull_loc(br_from)
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old_revno = br_to.revno()
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br_to.update_revisions(br_from)
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except DivergedBranches:
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raise BzrCommandError("These branches have diverged. Try merge.")
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merge(('.', -1), ('.', old_revno), check_clean=False)
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if location != stored_loc:
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br_to.controlfile("x-pull", "wb").write(location + "\n")
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class cmd_branch(Command):
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"""Create a new copy of a branch.
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If the TO_LOCATION is omitted, the last component of the FROM_LOCATION will
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be used. In other words, "branch ../foo/bar" will attempt to create ./bar.
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To retrieve the branch as of a particular revision, supply the --revision
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parameter, as in "branch foo/bar -r 5".
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takes_args = ['from_location', 'to_location?']
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takes_options = ['revision']
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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 branch import find_branch, DivergedBranches, NoSuchRevision
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from shutil import rmtree
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br_from = find_branch(from_location)
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if e.errno == errno.ENOENT:
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raise BzrCommandError('Source location "%s" does not exist.' %
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if to_location is None:
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to_location = os.path.basename(from_location.rstrip("/\\"))
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os.mkdir(to_location)
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if e.errno == errno.EEXIST:
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raise BzrCommandError('Target directory "%s" already exists.' %
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if e.errno == errno.ENOENT:
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raise BzrCommandError('Parent of "%s" does not exist.' %
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br_to = Branch(to_location, init=True)
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br_to.update_revisions(br_from, stop_revision=revision)
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except NoSuchRevision:
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msg = "The branch %s has no revision %d." % (from_location,
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raise BzrCommandError(msg)
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merge((to_location, -1), (to_location, 0), this_dir=to_location,
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check_clean=False, ignore_zero=True)
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from_location = pull_loc(br_from)
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br_to.controlfile("x-pull", "wb").write(from_location + "\n")
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def pull_loc(branch):
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# TODO: Should perhaps just make attribute be 'base' in
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# RemoteBranch and Branch?
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if hasattr(branch, "baseurl"):
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return branch.baseurl
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class cmd_renames(Command):
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"""Show list of renamed files.
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TODO: Option to show renames between two historical versions.
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TODO: Only show renames under dir, rather than in the whole branch.
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takes_args = ['dir?']
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def run(self, dir='.'):
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old_inv = b.basis_tree().inventory
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new_inv = b.read_working_inventory()
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renames = list(bzrlib.tree.find_renames(old_inv, new_inv))
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for old_name, new_name in renames:
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print "%s => %s" % (old_name, new_name)
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class cmd_info(Command):
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"""Show statistical information about a branch."""
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takes_args = ['branch?']
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def run(self, branch=None):
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from branch import find_branch
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b = find_branch(branch)
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class cmd_remove(Command):
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"""Make a file unversioned.
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This makes bzr stop tracking changes to a versioned file. It does
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not delete the working copy.
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takes_args = ['file+']
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takes_options = ['verbose']
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def run(self, file_list, verbose=False):
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b = Branch(file_list[0])
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b.remove([b.relpath(f) for f in file_list], verbose=verbose)
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class cmd_file_id(Command):
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"""Print file_id of a particular file or directory.
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The file_id is assigned when the file is first added and remains the
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same through all revisions where the file exists, even when it is
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takes_args = ['filename']
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def run(self, filename):
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i = b.inventory.path2id(b.relpath(filename))
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raise BzrError("%r is not a versioned file" % filename)
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class cmd_file_path(Command):
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"""Print path of file_ids to a file or directory.
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This prints one line for each directory down to the target,
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starting at the branch root."""
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takes_args = ['filename']
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def run(self, filename):
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fid = inv.path2id(b.relpath(filename))
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raise BzrError("%r is not a versioned file" % filename)
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for fip in inv.get_idpath(fid):
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class cmd_revision_history(Command):
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"""Display list of revision ids on this branch."""
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for patchid in Branch('.').revision_history():
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class cmd_directories(Command):
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"""Display list of versioned directories in this branch."""
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for name, ie in Branch('.').read_working_inventory().directories():
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class cmd_init(Command):
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"""Make a directory into a versioned branch.
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Use this to create an empty branch, or before importing an
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Recipe for importing a tree of files:
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bzr commit -m 'imported project'
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Branch('.', init=True)
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class cmd_diff(Command):
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"""Show differences in working tree.
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If files are listed, only the changes in those files are listed.
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Otherwise, all changes for the tree are listed.
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TODO: Given two revision arguments, show the difference between them.
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TODO: Allow diff across branches.
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TODO: Option to use external diff command; could be GNU diff, wdiff,
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TODO: Python difflib is not exactly the same as unidiff; should
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either fix it up or prefer to use an external diff.
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TODO: If a directory is given, diff everything under that.
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TODO: Selected-file diff is inefficient and doesn't show you
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TODO: This probably handles non-Unix newlines poorly.
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takes_args = ['file*']
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takes_options = ['revision', 'diff-options']
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aliases = ['di', 'dif']
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def run(self, revision=None, file_list=None, diff_options=None):
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from bzrlib.diff import show_diff
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from bzrlib import find_branch
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b = find_branch(file_list[0])
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file_list = [b.relpath(f) for f in file_list]
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if file_list == ['']:
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# just pointing to top-of-tree
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show_diff(b, revision, specific_files=file_list,
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external_diff_options=diff_options)
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class cmd_deleted(Command):
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"""List files deleted in the working tree.
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TODO: Show files deleted since a previous revision, or between two revisions.
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def run(self, show_ids=False):
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new = b.working_tree()
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## TODO: Much more efficient way to do this: read in new
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## directories with readdir, rather than stating each one. Same
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## level of effort but possibly much less IO. (Or possibly not,
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## if the directories are very large...)
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for path, ie in old.inventory.iter_entries():
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if not new.has_id(ie.file_id):
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print '%-50s %s' % (path, ie.file_id)
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class cmd_modified(Command):
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"""List files modified in working tree."""
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inv = b.read_working_inventory()
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sc = statcache.update_cache(b, inv)
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basis = b.basis_tree()
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basis_inv = basis.inventory
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# We used to do this through iter_entries(), but that's slow
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# when most of the files are unmodified, as is usually the
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# case. So instead we iterate by inventory entry, and only
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# calculate paths as necessary.
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for file_id in basis_inv:
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cacheentry = sc.get(file_id)
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if not cacheentry: # deleted
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ie = basis_inv[file_id]
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if cacheentry[statcache.SC_SHA1] != ie.text_sha1:
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path = inv.id2path(file_id)
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class cmd_added(Command):
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"""List files added in working tree."""
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wt = b.working_tree()
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basis_inv = b.basis_tree().inventory
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if file_id in basis_inv:
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path = inv.id2path(file_id)
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if not os.access(b.abspath(path), os.F_OK):
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class cmd_root(Command):
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"""Show the tree root directory.
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The root is the nearest enclosing directory with a .bzr control
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takes_args = ['filename?']
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def run(self, filename=None):
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"""Print the branch root."""
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from branch import find_branch
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b = find_branch(filename)
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print getattr(b, 'base', None) or getattr(b, 'baseurl')
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class cmd_log(Command):
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"""Show log of this branch.
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To request a range of logs, you can use the command -r begin:end
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-r revision requests a specific revision, -r :end or -r begin: are
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TODO: Make --revision support uuid: and hash: [future tag:] notation.
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takes_args = ['filename?']
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takes_options = ['forward', 'timezone', 'verbose', 'show-ids', 'revision']
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def run(self, filename=None, timezone='original',
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from bzrlib import show_log, find_branch
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direction = (forward and 'forward') or 'reverse'
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b = find_branch(filename)
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fp = b.relpath(filename)
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file_id = b.read_working_inventory().path2id(fp)
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file_id = None # points to branch root
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revision = [None, None]
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elif isinstance(revision, int):
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revision = [revision, revision]
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assert len(revision) == 2
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mutter('encoding log as %r' % bzrlib.user_encoding)
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# use 'replace' so that we don't abort if trying to write out
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# in e.g. the default C locale.
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outf = codecs.getwriter(bzrlib.user_encoding)(sys.stdout, errors='replace')
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show_timezone=timezone,
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start_revision=revision[0],
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end_revision=revision[1])
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class cmd_touching_revisions(Command):
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"""Return revision-ids which affected a particular file.
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A more user-friendly interface is "bzr log FILE"."""
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takes_args = ["filename"]
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def run(self, filename):
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inv = b.read_working_inventory()
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file_id = inv.path2id(b.relpath(filename))
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for revno, revision_id, what in bzrlib.log.find_touching_revisions(b, file_id):
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print "%6d %s" % (revno, what)
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class cmd_ls(Command):
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"""List files in a tree.
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TODO: Take a revision or remote path and list that tree instead.
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def run(self, revision=None, verbose=False):
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tree = b.working_tree()
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tree = b.revision_tree(b.lookup_revision(revision))
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for fp, fc, kind, fid in tree.list_files():
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if kind == 'directory':
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print '%-8s %s%s' % (fc, fp, kindch)
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class cmd_unknowns(Command):
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"""List unknown files."""
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for f in Branch('.').unknowns():
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class cmd_ignore(Command):
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"""Ignore a command or pattern.
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To remove patterns from the ignore list, edit the .bzrignore file.
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If the pattern contains a slash, it is compared to the whole path
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from the branch root. Otherwise, it is comapred to only the last
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component of the path.
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Ignore patterns are case-insensitive on case-insensitive systems.
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Note: wildcards must be quoted from the shell on Unix.
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bzr ignore ./Makefile
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takes_args = ['name_pattern']
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def run(self, name_pattern):
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from bzrlib.atomicfile import AtomicFile
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ifn = b.abspath('.bzrignore')
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if os.path.exists(ifn):
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igns = f.read().decode('utf-8')
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# TODO: If the file already uses crlf-style termination, maybe
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# we should use that for the newly added lines?
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if igns and igns[-1] != '\n':
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igns += name_pattern + '\n'
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f = AtomicFile(ifn, 'wt')
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f.write(igns.encode('utf-8'))
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inv = b.working_tree().inventory
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if inv.path2id('.bzrignore'):
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mutter('.bzrignore is already versioned')
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mutter('need to make new .bzrignore file versioned')
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b.add(['.bzrignore'])
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class cmd_ignored(Command):
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"""List ignored files and the patterns that matched them.
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See also: bzr ignore"""
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tree = Branch('.').working_tree()
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for path, file_class, kind, file_id in tree.list_files():
989
if file_class != 'I':
991
## XXX: Slightly inefficient since this was already calculated
992
pat = tree.is_ignored(path)
993
print '%-50s %s' % (path, pat)
996
class cmd_lookup_revision(Command):
997
"""Lookup the revision-id from a revision-number
1000
bzr lookup-revision 33
1003
takes_args = ['revno']
1005
def run(self, revno):
1009
raise BzrCommandError("not a valid revision-number: %r" % revno)
1011
print Branch('.').lookup_revision(revno)
1014
class cmd_export(Command):
1015
"""Export past revision to destination directory.
1017
If no revision is specified this exports the last committed revision.
1019
Format may be an "exporter" name, such as tar, tgz, tbz2. If none is
1020
given, exports to a directory (equivalent to --format=dir)."""
1021
# TODO: list known exporters
1022
takes_args = ['dest']
1023
takes_options = ['revision', 'format']
1024
def run(self, dest, revision=None, format='dir'):
1026
if revision == None:
1027
rh = b.revision_history()[-1]
1029
rh = b.lookup_revision(int(revision))
1030
t = b.revision_tree(rh)
1031
t.export(dest, format)
1034
class cmd_cat(Command):
1035
"""Write a file's text from a previous revision."""
1037
takes_options = ['revision']
1038
takes_args = ['filename']
1040
def run(self, filename, revision=None):
1041
if revision == None:
1042
raise BzrCommandError("bzr cat requires a revision number")
1044
b.print_file(b.relpath(filename), int(revision))
1047
class cmd_local_time_offset(Command):
1048
"""Show the offset in seconds from GMT to local time."""
1051
print bzrlib.osutils.local_time_offset()
1055
class cmd_commit(Command):
1056
"""Commit changes into a new revision.
1058
If selected files are specified, only changes to those files are
1059
committed. If a directory is specified then its contents are also
1062
A selected-file commit may fail in some cases where the committed
1063
tree would be invalid, such as trying to commit a file in a
1064
newly-added directory that is not itself committed.
1066
TODO: Run hooks on tree to-be-committed, and after commit.
1068
TODO: Strict commit that fails if there are unknown or deleted files.
1070
takes_args = ['selected*']
1071
takes_options = ['message', 'file', 'verbose']
1072
aliases = ['ci', 'checkin']
1074
def run(self, message=None, file=None, verbose=True, selected_list=None):
1075
from bzrlib.commit import commit
1076
from bzrlib.osutils import get_text_message
1078
## Warning: shadows builtin file()
1079
if not message and not file:
1082
catcher = cStringIO.StringIO()
1083
sys.stdout = catcher
1084
cmd_status({"file_list":selected_list}, {})
1085
info = catcher.getvalue()
1087
message = get_text_message(info)
1090
raise BzrCommandError("please specify a commit message",
1091
["use either --message or --file"])
1092
elif message and file:
1093
raise BzrCommandError("please specify either --message or --file")
1097
message = codecs.open(file, 'rt', bzrlib.user_encoding).read()
1100
commit(b, message, verbose=verbose, specific_files=selected_list)
1103
class cmd_check(Command):
1104
"""Validate consistency of branch history.
1106
This command checks various invariants about the branch storage to
1107
detect data corruption or bzr bugs.
1109
If given the --update flag, it will update some optional fields
1110
to help ensure data consistency.
1112
takes_args = ['dir?']
1114
def run(self, dir='.'):
1116
bzrlib.check.check(Branch(dir))
1120
class cmd_upgrade(Command):
1121
"""Upgrade branch storage to current format.
1123
This should normally be used only after the check command tells
1126
takes_args = ['dir?']
1128
def run(self, dir='.'):
1129
from bzrlib.upgrade import upgrade
1130
upgrade(Branch(dir))
1134
class cmd_whoami(Command):
1135
"""Show bzr user id."""
1136
takes_options = ['email']
1138
def run(self, email=False):
1140
print bzrlib.osutils.user_email()
1142
print bzrlib.osutils.username()
1145
class cmd_selftest(Command):
1146
"""Run internal test suite"""
1149
from bzrlib.selftest import selftest
1150
return int(not selftest())
1153
class cmd_version(Command):
1154
"""Show version of bzr."""
1159
print "bzr (bazaar-ng) %s" % bzrlib.__version__
1160
# is bzrlib itself in a branch?
1161
bzrrev = bzrlib.get_bzr_revision()
1163
print " (bzr checkout, revision %d {%s})" % bzrrev
1164
print bzrlib.__copyright__
1165
print "http://bazaar-ng.org/"
1167
print "bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and"
1168
print "you may use, modify and redistribute it under the terms of the GNU"
1169
print "General Public License version 2 or later."
1172
class cmd_rocks(Command):
1173
"""Statement of optimism."""
1176
print "it sure does!"
1178
def parse_spec(spec):
1180
>>> parse_spec(None)
1182
>>> parse_spec("./")
1184
>>> parse_spec("../@")
1186
>>> parse_spec("../f/@35")
1192
parsed = spec.split('/@')
1193
assert len(parsed) == 2
1197
parsed[1] = int(parsed[1])
1198
assert parsed[1] >=0
1200
parsed = [spec, None]
1205
class cmd_merge(Command):
1206
"""Perform a three-way merge of trees.
1208
The SPEC parameters are working tree or revision specifiers. Working trees
1209
are specified using standard paths or urls. No component of a directory
1210
path may begin with '@'.
1212
Working tree examples: '.', '..', 'foo@', but NOT 'foo/@bar'
1214
Revisions are specified using a dirname/@revno pair, where dirname is the
1215
branch directory and revno is the revision within that branch. If no revno
1216
is specified, the latest revision is used.
1218
Revision examples: './@127', 'foo/@', '../@1'
1220
The OTHER_SPEC parameter is required. If the BASE_SPEC parameter is
1221
not supplied, the common ancestor of OTHER_SPEC the current branch is used
1224
merge refuses to run if there are any uncommitted changes, unless
1227
takes_args = ['other_spec', 'base_spec?']
1228
takes_options = ['force']
1230
def run(self, other_spec, base_spec=None, force=False):
1231
from bzrlib.merge import merge
1232
merge(parse_spec(other_spec), parse_spec(base_spec),
1233
check_clean=(not force))
1236
class cmd_revert(Command):
1237
"""Reverse all changes since the last commit.
1239
Only versioned files are affected.
1241
TODO: Store backups of any files that will be reverted, so
1242
that the revert can be undone.
1244
takes_options = ['revision']
1246
def run(self, revision=-1):
1247
from bzrlib.merge import merge
1248
merge(('.', revision), parse_spec('.'),
1253
class cmd_assert_fail(Command):
1254
"""Test reporting of assertion failures"""
1257
assert False, "always fails"
1260
class cmd_help(Command):
1261
"""Show help on a command or other topic.
1263
For a list of all available commands, say 'bzr help commands'."""
1264
takes_args = ['topic?']
1267
def run(self, topic=None):
1272
class cmd_update_stat_cache(Command):
1273
"""Update stat-cache mapping inodes to SHA-1 hashes.
1275
For testing only."""
1280
statcache.update_cache(b.base, b.read_working_inventory())
1284
class cmd_plugins(Command):
1288
import bzrlib.plugin
1289
from pprint import pprint
1290
pprint(bzrlib.plugin.all_plugins)
1294
# list of all available options; the rhs can be either None for an
1295
# option that takes no argument, or a constructor function that checks
1299
'diff-options': str,
1308
'revision': _parse_revision_str,
1326
def parse_args(argv):
1327
"""Parse command line.
1329
Arguments and options are parsed at this level before being passed
1330
down to specific command handlers. This routine knows, from a
1331
lookup table, something about the available options, what optargs
1332
they take, and which commands will accept them.
1334
>>> parse_args('--help'.split())
1335
([], {'help': True})
1336
>>> parse_args('--version'.split())
1337
([], {'version': True})
1338
>>> parse_args('status --all'.split())
1339
(['status'], {'all': True})
1340
>>> parse_args('commit --message=biter'.split())
1341
(['commit'], {'message': u'biter'})
1342
>>> parse_args('log -r 500'.split())
1343
(['log'], {'revision': 500})
1344
>>> parse_args('log -r500:600'.split())
1345
(['log'], {'revision': [500, 600]})
1346
>>> parse_args('log -vr500:600'.split())
1347
(['log'], {'verbose': True, 'revision': [500, 600]})
1348
>>> parse_args('log -rv500:600'.split()) #the r takes an argument
1349
Traceback (most recent call last):
1351
ValueError: invalid literal for int(): v500
1356
# TODO: Maybe handle '--' to end options?
1361
# option names must not be unicode
1365
mutter(" got option %r" % a)
1367
optname, optarg = a[2:].split('=', 1)
1370
if optname not in OPTIONS:
1371
raise BzrError('unknown long option %r' % a)
1374
if shortopt in SHORT_OPTIONS:
1375
# Multi-character options must have a space to delimit
1377
optname = SHORT_OPTIONS[shortopt]
1379
# Single character short options, can be chained,
1380
# and have their value appended to their name
1382
if shortopt not in SHORT_OPTIONS:
1383
# We didn't find the multi-character name, and we
1384
# didn't find the single char name
1385
raise BzrError('unknown short option %r' % a)
1386
optname = SHORT_OPTIONS[shortopt]
1389
# There are extra things on this option
1390
# see if it is the value, or if it is another
1392
optargfn = OPTIONS[optname]
1393
if optargfn is None:
1394
# This option does not take an argument, so the
1395
# next entry is another short option, pack it back
1397
argv.insert(0, '-' + a[2:])
1399
# This option takes an argument, so pack it
1404
# XXX: Do we ever want to support this, e.g. for -r?
1405
raise BzrError('repeated option %r' % a)
1407
optargfn = OPTIONS[optname]
1411
raise BzrError('option %r needs an argument' % a)
1413
optarg = argv.pop(0)
1414
opts[optname] = optargfn(optarg)
1417
raise BzrError('option %r takes no argument' % optname)
1418
opts[optname] = True
1427
def _match_argform(cmd, takes_args, args):
1430
# step through args and takes_args, allowing appropriate 0-many matches
1431
for ap in takes_args:
1435
argdict[argname] = args.pop(0)
1436
elif ap[-1] == '*': # all remaining arguments
1438
argdict[argname + '_list'] = args[:]
1441
argdict[argname + '_list'] = None
1444
raise BzrCommandError("command %r needs one or more %s"
1445
% (cmd, argname.upper()))
1447
argdict[argname + '_list'] = args[:]
1449
elif ap[-1] == '$': # all but one
1451
raise BzrCommandError("command %r needs one or more %s"
1452
% (cmd, argname.upper()))
1453
argdict[argname + '_list'] = args[:-1]
1459
raise BzrCommandError("command %r requires argument %s"
1460
% (cmd, argname.upper()))
1462
argdict[argname] = args.pop(0)
1465
raise BzrCommandError("extra argument to command %s: %s"
1471
def _parse_master_args(argv):
1472
"""Parse the arguments that always go with the original command.
1473
These are things like bzr --no-plugins, etc.
1475
There are now 2 types of option flags. Ones that come *before* the command,
1476
and ones that come *after* the command.
1477
Ones coming *before* the command are applied against all possible commands.
1478
And are generally applied before plugins are loaded.
1480
The current list are:
1481
--builtin Allow plugins to load, but don't let them override builtin commands,
1482
they will still be allowed if they do not override a builtin.
1483
--no-plugins Don't load any plugins. This lets you get back to official source
1485
--profile Enable the hotspot profile before running the command.
1486
For backwards compatibility, this is also a non-master option.
1487
--version Spit out the version of bzr that is running and exit.
1488
This is also a non-master option.
1489
--help Run help and exit, also a non-master option (I think that should stay, though)
1491
>>> argv, opts = _parse_master_args(['bzr', '--test'])
1492
Traceback (most recent call last):
1494
BzrCommandError: Invalid master option: 'test'
1495
>>> argv, opts = _parse_master_args(['bzr', '--version', 'command'])
1498
>>> print opts['version']
1500
>>> argv, opts = _parse_master_args(['bzr', '--profile', 'command', '--more-options'])
1502
['command', '--more-options']
1503
>>> print opts['profile']
1505
>>> argv, opts = _parse_master_args(['bzr', '--no-plugins', 'command'])
1508
>>> print opts['no-plugins']
1510
>>> print opts['profile']
1512
>>> argv, opts = _parse_master_args(['bzr', 'command', '--profile'])
1514
['command', '--profile']
1515
>>> print opts['profile']
1518
master_opts = {'builtin':False,
1525
# This is the point where we could hook into argv[0] to determine
1526
# what front-end is supposed to be run
1527
# For now, we are just ignoring it.
1528
cmd_name = argv.pop(0)
1530
if arg[:2] != '--': # at the first non-option, we return the rest
1532
arg = arg[2:] # Remove '--'
1533
if arg not in master_opts:
1534
# We could say that this is not an error, that we should
1535
# just let it be handled by the main section instead
1536
raise BzrCommandError('Invalid master option: %r' % arg)
1537
argv.pop(0) # We are consuming this entry
1538
master_opts[arg] = True
1539
return argv, master_opts
1544
"""Execute a command.
1546
This is similar to main(), but without all the trappings for
1547
logging and error handling.
1549
argv = [a.decode(bzrlib.user_encoding) for a in argv]
1552
# some options like --builtin and --no-plugins have special effects
1553
argv, master_opts = _parse_master_args(argv)
1554
if not master_opts['no-plugins']:
1555
bzrlib.load_plugins()
1557
args, opts = parse_args(argv)
1559
if master_opts['help']:
1560
from bzrlib.help import help
1568
from bzrlib.help import help
1574
elif 'version' in opts:
1577
elif args and args[0] == 'builtin':
1578
include_plugins=False
1580
cmd = str(args.pop(0))
1587
plugins_override = not (master_opts['builtin'])
1588
canonical_cmd, cmd_class = get_cmd_class(cmd, plugins_override=plugins_override)
1590
profile = master_opts['profile']
1591
# For backwards compatibility, I would rather stick with --profile being a
1592
# master/global option
1593
if 'profile' in opts:
1597
# check options are reasonable
1598
allowed = cmd_class.takes_options
1600
if oname not in allowed:
1601
raise BzrCommandError("option '--%s' is not allowed for command %r"
1604
# mix arguments and options into one dictionary
1605
cmdargs = _match_argform(cmd, cmd_class.takes_args, args)
1607
for k, v in opts.items():
1608
cmdopts[k.replace('-', '_')] = v
1611
import hotshot, tempfile
1612
pffileno, pfname = tempfile.mkstemp()
1614
prof = hotshot.Profile(pfname)
1615
ret = prof.runcall(cmd_class, cmdopts, cmdargs) or 0
1618
import hotshot.stats
1619
stats = hotshot.stats.load(pfname)
1621
stats.sort_stats('time')
1622
## XXX: Might like to write to stderr or the trace file instead but
1623
## print_stats seems hardcoded to stdout
1624
stats.print_stats(20)
1632
return cmd_class(cmdopts, cmdargs).status
1635
def _report_exception(summary, quiet=False):
1637
log_error('bzr: ' + summary)
1638
bzrlib.trace.log_exception()
1641
tb = sys.exc_info()[2]
1642
exinfo = traceback.extract_tb(tb)
1644
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
1645
sys.stderr.write(' see ~/.bzr.log for debug information\n')
1652
bzrlib.open_tracefile(argv)
1657
return run_bzr(argv)
1659
# do this here inside the exception wrappers to catch EPIPE
1662
quiet = isinstance(e, (BzrCommandError))
1663
_report_exception('error: ' + e.args[0], quiet=quiet)
1666
# some explanation or hints
1669
except AssertionError, e:
1670
msg = 'assertion failed'
1672
msg += ': ' + str(e)
1673
_report_exception(msg)
1675
except KeyboardInterrupt, e:
1676
_report_exception('interrupted', quiet=True)
1678
except Exception, e:
1680
if (isinstance(e, IOError)
1681
and hasattr(e, 'errno')
1682
and e.errno == errno.EPIPE):
1686
msg = str(e).rstrip('\n')
1687
_report_exception(msg, quiet)
1690
bzrlib.trace.close_trace()
1693
if __name__ == '__main__':
1694
sys.exit(main(sys.argv))