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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_plugin_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
1077
## Warning: shadows builtin file()
1078
if not message and not file:
1079
raise BzrCommandError("please specify a commit message",
1080
["use either --message or --file"])
1081
elif message and file:
1082
raise BzrCommandError("please specify either --message or --file")
1086
message = codecs.open(file, 'rt', bzrlib.user_encoding).read()
1089
commit(b, message, verbose=verbose, specific_files=selected_list)
1092
class cmd_check(Command):
1093
"""Validate consistency of branch history.
1095
This command checks various invariants about the branch storage to
1096
detect data corruption or bzr bugs.
1098
If given the --update flag, it will update some optional fields
1099
to help ensure data consistency.
1101
takes_args = ['dir?']
1103
def run(self, dir='.'):
1105
bzrlib.check.check(Branch(dir))
1109
class cmd_upgrade(Command):
1110
"""Upgrade branch storage to current format.
1112
This should normally be used only after the check command tells
1115
takes_args = ['dir?']
1117
def run(self, dir='.'):
1118
from bzrlib.upgrade import upgrade
1119
upgrade(Branch(dir))
1123
class cmd_whoami(Command):
1124
"""Show bzr user id."""
1125
takes_options = ['email']
1127
def run(self, email=False):
1129
print bzrlib.osutils.user_email()
1131
print bzrlib.osutils.username()
1134
class cmd_selftest(Command):
1135
"""Run internal test suite"""
1138
from bzrlib.selftest import selftest
1139
return int(not selftest())
1142
class cmd_version(Command):
1143
"""Show version of bzr."""
1148
print "bzr (bazaar-ng) %s" % bzrlib.__version__
1149
# is bzrlib itself in a branch?
1150
bzrrev = bzrlib.get_bzr_revision()
1152
print " (bzr checkout, revision %d {%s})" % bzrrev
1153
print bzrlib.__copyright__
1154
print "http://bazaar-ng.org/"
1156
print "bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and"
1157
print "you may use, modify and redistribute it under the terms of the GNU"
1158
print "General Public License version 2 or later."
1161
class cmd_rocks(Command):
1162
"""Statement of optimism."""
1165
print "it sure does!"
1167
def parse_spec(spec):
1169
>>> parse_spec(None)
1171
>>> parse_spec("./")
1173
>>> parse_spec("../@")
1175
>>> parse_spec("../f/@35")
1181
parsed = spec.split('/@')
1182
assert len(parsed) == 2
1186
parsed[1] = int(parsed[1])
1187
assert parsed[1] >=0
1189
parsed = [spec, None]
1194
class cmd_merge(Command):
1195
"""Perform a three-way merge of trees.
1197
The SPEC parameters are working tree or revision specifiers. Working trees
1198
are specified using standard paths or urls. No component of a directory
1199
path may begin with '@'.
1201
Working tree examples: '.', '..', 'foo@', but NOT 'foo/@bar'
1203
Revisions are specified using a dirname/@revno pair, where dirname is the
1204
branch directory and revno is the revision within that branch. If no revno
1205
is specified, the latest revision is used.
1207
Revision examples: './@127', 'foo/@', '../@1'
1209
The OTHER_SPEC parameter is required. If the BASE_SPEC parameter is
1210
not supplied, the common ancestor of OTHER_SPEC the current branch is used
1213
merge refuses to run if there are any uncommitted changes, unless
1216
takes_args = ['other_spec', 'base_spec?']
1217
takes_options = ['force']
1219
def run(self, other_spec, base_spec=None, force=False):
1220
from bzrlib.merge import merge
1221
merge(parse_spec(other_spec), parse_spec(base_spec),
1222
check_clean=(not force))
1225
class cmd_revert(Command):
1226
"""Reverse all changes since the last commit.
1228
Only versioned files are affected.
1230
TODO: Store backups of any files that will be reverted, so
1231
that the revert can be undone.
1233
takes_options = ['revision']
1235
def run(self, revision=-1):
1236
from bzrlib.merge import merge
1237
merge(('.', revision), parse_spec('.'),
1242
class cmd_assert_fail(Command):
1243
"""Test reporting of assertion failures"""
1246
assert False, "always fails"
1249
class cmd_help(Command):
1250
"""Show help on a command or other topic.
1252
For a list of all available commands, say 'bzr help commands'."""
1253
takes_args = ['topic?']
1256
def run(self, topic=None):
1261
class cmd_update_stat_cache(Command):
1262
"""Update stat-cache mapping inodes to SHA-1 hashes.
1264
For testing only."""
1269
statcache.update_cache(b.base, b.read_working_inventory())
1273
# list of all available options; the rhs can be either None for an
1274
# option that takes no argument, or a constructor function that checks
1278
'diff-options': str,
1287
'revision': _parse_revision_str,
1305
def parse_args(argv):
1306
"""Parse command line.
1308
Arguments and options are parsed at this level before being passed
1309
down to specific command handlers. This routine knows, from a
1310
lookup table, something about the available options, what optargs
1311
they take, and which commands will accept them.
1313
>>> parse_args('--help'.split())
1314
([], {'help': True})
1315
>>> parse_args('--version'.split())
1316
([], {'version': True})
1317
>>> parse_args('status --all'.split())
1318
(['status'], {'all': True})
1319
>>> parse_args('commit --message=biter'.split())
1320
(['commit'], {'message': u'biter'})
1321
>>> parse_args('log -r 500'.split())
1322
(['log'], {'revision': 500})
1323
>>> parse_args('log -r500:600'.split())
1324
(['log'], {'revision': [500, 600]})
1325
>>> parse_args('log -vr500:600'.split())
1326
(['log'], {'verbose': True, 'revision': [500, 600]})
1327
>>> parse_args('log -rv500:600'.split()) #the r takes an argument
1328
Traceback (most recent call last):
1330
ValueError: invalid literal for int(): v500
1335
# TODO: Maybe handle '--' to end options?
1340
# option names must not be unicode
1344
mutter(" got option %r" % a)
1346
optname, optarg = a[2:].split('=', 1)
1349
if optname not in OPTIONS:
1350
raise BzrError('unknown long option %r' % a)
1353
if shortopt in SHORT_OPTIONS:
1354
# Multi-character options must have a space to delimit
1356
optname = SHORT_OPTIONS[shortopt]
1358
# Single character short options, can be chained,
1359
# and have their value appended to their name
1361
if shortopt not in SHORT_OPTIONS:
1362
# We didn't find the multi-character name, and we
1363
# didn't find the single char name
1364
raise BzrError('unknown short option %r' % a)
1365
optname = SHORT_OPTIONS[shortopt]
1368
# There are extra things on this option
1369
# see if it is the value, or if it is another
1371
optargfn = OPTIONS[optname]
1372
if optargfn is None:
1373
# This option does not take an argument, so the
1374
# next entry is another short option, pack it back
1376
argv.insert(0, '-' + a[2:])
1378
# This option takes an argument, so pack it
1383
# XXX: Do we ever want to support this, e.g. for -r?
1384
raise BzrError('repeated option %r' % a)
1386
optargfn = OPTIONS[optname]
1390
raise BzrError('option %r needs an argument' % a)
1392
optarg = argv.pop(0)
1393
opts[optname] = optargfn(optarg)
1396
raise BzrError('option %r takes no argument' % optname)
1397
opts[optname] = True
1406
def _match_argform(cmd, takes_args, args):
1409
# step through args and takes_args, allowing appropriate 0-many matches
1410
for ap in takes_args:
1414
argdict[argname] = args.pop(0)
1415
elif ap[-1] == '*': # all remaining arguments
1417
argdict[argname + '_list'] = args[:]
1420
argdict[argname + '_list'] = None
1423
raise BzrCommandError("command %r needs one or more %s"
1424
% (cmd, argname.upper()))
1426
argdict[argname + '_list'] = args[:]
1428
elif ap[-1] == '$': # all but one
1430
raise BzrCommandError("command %r needs one or more %s"
1431
% (cmd, argname.upper()))
1432
argdict[argname + '_list'] = args[:-1]
1438
raise BzrCommandError("command %r requires argument %s"
1439
% (cmd, argname.upper()))
1441
argdict[argname] = args.pop(0)
1444
raise BzrCommandError("extra argument to command %s: %s"
1450
def _parse_master_args(argv):
1451
"""Parse the arguments that always go with the original command.
1452
These are things like bzr --no-plugins, etc.
1454
There are now 2 types of option flags. Ones that come *before* the command,
1455
and ones that come *after* the command.
1456
Ones coming *before* the command are applied against all possible commands.
1457
And are generally applied before plugins are loaded.
1459
The current list are:
1460
--builtin Allow plugins to load, but don't let them override builtin commands,
1461
they will still be allowed if they do not override a builtin.
1462
--no-plugins Don't load any plugins. This lets you get back to official source
1464
--profile Enable the hotspot profile before running the command.
1465
For backwards compatibility, this is also a non-master option.
1466
--version Spit out the version of bzr that is running and exit.
1467
This is also a non-master option.
1468
--help Run help and exit, also a non-master option (I think that should stay, though)
1470
>>> argv, opts = _parse_master_args(['bzr', '--test'])
1471
Traceback (most recent call last):
1473
BzrCommandError: Invalid master option: 'test'
1474
>>> argv, opts = _parse_master_args(['bzr', '--version', 'command'])
1477
>>> print opts['version']
1479
>>> argv, opts = _parse_master_args(['bzr', '--profile', 'command', '--more-options'])
1481
['command', '--more-options']
1482
>>> print opts['profile']
1484
>>> argv, opts = _parse_master_args(['bzr', '--no-plugins', 'command'])
1487
>>> print opts['no-plugins']
1489
>>> print opts['profile']
1491
>>> argv, opts = _parse_master_args(['bzr', 'command', '--profile'])
1493
['command', '--profile']
1494
>>> print opts['profile']
1497
master_opts = {'builtin':False,
1504
# This is the point where we could hook into argv[0] to determine
1505
# what front-end is supposed to be run
1506
# For now, we are just ignoring it.
1507
cmd_name = argv.pop(0)
1509
if arg[:2] != '--': # at the first non-option, we return the rest
1511
arg = arg[2:] # Remove '--'
1512
if arg not in master_opts:
1513
# We could say that this is not an error, that we should
1514
# just let it be handled by the main section instead
1515
raise BzrCommandError('Invalid master option: %r' % arg)
1516
argv.pop(0) # We are consuming this entry
1517
master_opts[arg] = True
1518
return argv, master_opts
1523
"""Execute a command.
1525
This is similar to main(), but without all the trappings for
1526
logging and error handling.
1528
argv = [a.decode(bzrlib.user_encoding) for a in argv]
1531
# some options like --builtin and --no-plugins have special effects
1532
argv, master_opts = _parse_master_args(argv)
1533
if 'no-plugins' not in master_opts:
1534
bzrlib.load_plugins()
1536
args, opts = parse_args(argv)
1538
if master_opts['help']:
1539
from bzrlib.help import help
1547
from bzrlib.help import help
1553
elif 'version' in opts:
1556
elif args and args[0] == 'builtin':
1557
include_plugins=False
1559
cmd = str(args.pop(0))
1566
plugins_override = not (master_opts['builtin'])
1567
canonical_cmd, cmd_class = get_cmd_class(cmd, plugins_override=plugins_override)
1569
profile = master_opts['profile']
1570
# For backwards compatibility, I would rather stick with --profile being a
1571
# master/global option
1572
if 'profile' in opts:
1576
# check options are reasonable
1577
allowed = cmd_class.takes_options
1579
if oname not in allowed:
1580
raise BzrCommandError("option '--%s' is not allowed for command %r"
1583
# mix arguments and options into one dictionary
1584
cmdargs = _match_argform(cmd, cmd_class.takes_args, args)
1586
for k, v in opts.items():
1587
cmdopts[k.replace('-', '_')] = v
1590
import hotshot, tempfile
1591
pffileno, pfname = tempfile.mkstemp()
1593
prof = hotshot.Profile(pfname)
1594
ret = prof.runcall(cmd_class, cmdopts, cmdargs) or 0
1597
import hotshot.stats
1598
stats = hotshot.stats.load(pfname)
1600
stats.sort_stats('time')
1601
## XXX: Might like to write to stderr or the trace file instead but
1602
## print_stats seems hardcoded to stdout
1603
stats.print_stats(20)
1611
return cmd_class(cmdopts, cmdargs).status
1614
def _report_exception(summary, quiet=False):
1616
log_error('bzr: ' + summary)
1617
bzrlib.trace.log_exception()
1620
tb = sys.exc_info()[2]
1621
exinfo = traceback.extract_tb(tb)
1623
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
1624
sys.stderr.write(' see ~/.bzr.log for debug information\n')
1631
bzrlib.open_tracefile(argv)
1636
return run_bzr(argv)
1638
# do this here inside the exception wrappers to catch EPIPE
1641
quiet = isinstance(e, (BzrCommandError))
1642
_report_exception('error: ' + e.args[0], quiet=quiet)
1645
# some explanation or hints
1648
except AssertionError, e:
1649
msg = 'assertion failed'
1651
msg += ': ' + str(e)
1652
_report_exception(msg)
1654
except KeyboardInterrupt, e:
1655
_report_exception('interrupted', quiet=True)
1657
except Exception, e:
1659
if (isinstance(e, IOError)
1660
and hasattr(e, 'errno')
1661
and e.errno == errno.EPIPE):
1665
msg = str(e).rstrip('\n')
1666
_report_exception(msg, quiet)
1669
bzrlib.trace.close_trace()
1672
if __name__ == '__main__':
1673
sys.exit(main(sys.argv))