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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.branch import find_branch
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from bzrlib import 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 = find_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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from bzrlib.xml import pack_xml
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pack_xml(find_branch('.').get_revision(revision_id), 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 find_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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from bzrlib.add import smart_add
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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.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 find_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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from shutil import rmtree
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br_to = find_branch('.')
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stored_loc = br_to.controlfile("x-pull", "rb").read().rstrip('\n')
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if e.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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cache_root = tempfile.mkdtemp()
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from bzrlib.branch import 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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from branch import find_cached_branch, DivergedBranches
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br_from = find_cached_branch(location, cache_root)
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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."
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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 bzrlib.branch import DivergedBranches, NoSuchRevision, \
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find_cached_branch, Branch
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from shutil import rmtree
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from meta_store import CachedStore
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cache_root = tempfile.mkdtemp()
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br_from = find_cached_branch(from_location, cache_root)
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if e.errno == errno.ENOENT:
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raise BzrCommandError('Source location "%s" does not'
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' exist.' % to_location)
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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'
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' exists.' % to_location)
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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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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 = find_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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b = find_branch(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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b = find_branch(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 find_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 find_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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from bzrlib.branch import Branch
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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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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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from bzrlib.diff import compare_trees
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td = compare_trees(b.basis_tree(), b.working_tree())
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for path, id, kind in td.modified:
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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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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','long']
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def run(self, filename=None, timezone='original',
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from bzrlib.branch import find_branch
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from bzrlib.log import log_formatter, show_log
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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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lf = log_formatter(log_format,
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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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b = find_branch(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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from bzrlib.osutils import quotefn
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for f in find_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')
990
b.add(['.bzrignore'])
994
class cmd_ignored(Command):
995
"""List ignored files and the patterns that matched them.
997
See also: bzr ignore"""
999
tree = find_branch('.').working_tree()
1000
for path, file_class, kind, file_id in tree.list_files():
1001
if file_class != 'I':
1003
## XXX: Slightly inefficient since this was already calculated
1004
pat = tree.is_ignored(path)
1005
print '%-50s %s' % (path, pat)
1008
class cmd_lookup_revision(Command):
1009
"""Lookup the revision-id from a revision-number
1012
bzr lookup-revision 33
1015
takes_args = ['revno']
1017
def run(self, revno):
1021
raise BzrCommandError("not a valid revision-number: %r" % revno)
1023
print find_branch('.').lookup_revision(revno)
1026
class cmd_export(Command):
1027
"""Export past revision to destination directory.
1029
If no revision is specified this exports the last committed revision.
1031
Format may be an "exporter" name, such as tar, tgz, tbz2. If none is
1032
given, try to find the format with the extension. If no extension
1033
is found exports to a directory (equivalent to --format=dir).
1035
Root may be the top directory for tar, tgz and tbz2 formats. If none
1036
is given, the top directory will be the root name of the file."""
1037
# TODO: list known exporters
1038
takes_args = ['dest']
1039
takes_options = ['revision', 'format', 'root']
1040
def run(self, dest, revision=None, format=None, root=None):
1042
b = find_branch('.')
1043
if revision == None:
1044
rh = b.revision_history()[-1]
1046
rh = b.lookup_revision(int(revision))
1047
t = b.revision_tree(rh)
1048
root, ext = os.path.splitext(dest)
1050
if ext in (".tar",):
1052
elif ext in (".gz", ".tgz"):
1054
elif ext in (".bz2", ".tbz2"):
1058
t.export(dest, format, root)
1061
class cmd_cat(Command):
1062
"""Write a file's text from a previous revision."""
1064
takes_options = ['revision']
1065
takes_args = ['filename']
1067
def run(self, filename, revision=None):
1068
if revision == None:
1069
raise BzrCommandError("bzr cat requires a revision number")
1070
b = find_branch('.')
1071
b.print_file(b.relpath(filename), int(revision))
1074
class cmd_local_time_offset(Command):
1075
"""Show the offset in seconds from GMT to local time."""
1078
print bzrlib.osutils.local_time_offset()
1082
class cmd_commit(Command):
1083
"""Commit changes into a new revision.
1085
If selected files are specified, only changes to those files are
1086
committed. If a directory is specified then its contents are also
1089
A selected-file commit may fail in some cases where the committed
1090
tree would be invalid, such as trying to commit a file in a
1091
newly-added directory that is not itself committed.
1093
TODO: Run hooks on tree to-be-committed, and after commit.
1095
TODO: Strict commit that fails if there are unknown or deleted files.
1097
takes_args = ['selected*']
1098
takes_options = ['message', 'file', 'verbose', 'unchanged']
1099
aliases = ['ci', 'checkin']
1101
def run(self, message=None, file=None, verbose=True, selected_list=None,
1103
from bzrlib.errors import PointlessCommit
1104
from bzrlib.osutils import get_text_message
1106
## Warning: shadows builtin file()
1107
if not message and not file:
1110
catcher = cStringIO.StringIO()
1111
sys.stdout = catcher
1112
cmd_status({"file_list":selected_list}, {})
1113
info = catcher.getvalue()
1115
message = get_text_message(info)
1118
raise BzrCommandError("please specify a commit message",
1119
["use either --message or --file"])
1120
elif message and file:
1121
raise BzrCommandError("please specify either --message or --file")
1125
message = codecs.open(file, 'rt', bzrlib.user_encoding).read()
1127
b = find_branch('.')
1130
b.commit(message, verbose=verbose,
1131
specific_files=selected_list,
1132
allow_pointless=unchanged)
1133
except PointlessCommit:
1134
raise BzrCommandError("no changes to commit",
1135
["use --unchanged to commit anyhow"])
1138
class cmd_check(Command):
1139
"""Validate consistency of branch history.
1141
This command checks various invariants about the branch storage to
1142
detect data corruption or bzr bugs.
1144
If given the --update flag, it will update some optional fields
1145
to help ensure data consistency.
1147
takes_args = ['dir?']
1149
def run(self, dir='.'):
1150
from bzrlib.check import check
1151
check(find_branch(dir))
1155
class cmd_upgrade(Command):
1156
"""Upgrade branch storage to current format.
1158
This should normally be used only after the check command tells
1161
takes_args = ['dir?']
1163
def run(self, dir='.'):
1164
from bzrlib.upgrade import upgrade
1165
upgrade(find_branch(dir))
1169
class cmd_whoami(Command):
1170
"""Show bzr user id."""
1171
takes_options = ['email']
1173
def run(self, email=False):
1175
print bzrlib.osutils.user_email()
1177
print bzrlib.osutils.username()
1180
class cmd_selftest(Command):
1181
"""Run internal test suite"""
1184
from bzrlib.selftest import selftest
1185
return int(not selftest())
1188
class cmd_version(Command):
1189
"""Show version of bzr."""
1194
print "bzr (bazaar-ng) %s" % bzrlib.__version__
1195
# is bzrlib itself in a branch?
1196
bzrrev = bzrlib.get_bzr_revision()
1198
print " (bzr checkout, revision %d {%s})" % bzrrev
1199
print bzrlib.__copyright__
1200
print "http://bazaar-ng.org/"
1202
print "bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and"
1203
print "you may use, modify and redistribute it under the terms of the GNU"
1204
print "General Public License version 2 or later."
1207
class cmd_rocks(Command):
1208
"""Statement of optimism."""
1211
print "it sure does!"
1213
def parse_spec(spec):
1215
>>> parse_spec(None)
1217
>>> parse_spec("./")
1219
>>> parse_spec("../@")
1221
>>> parse_spec("../f/@35")
1227
parsed = spec.split('/@')
1228
assert len(parsed) == 2
1232
parsed[1] = int(parsed[1])
1233
assert parsed[1] >=0
1235
parsed = [spec, None]
1240
class cmd_merge(Command):
1241
"""Perform a three-way merge of trees.
1243
The SPEC parameters are working tree or revision specifiers. Working trees
1244
are specified using standard paths or urls. No component of a directory
1245
path may begin with '@'.
1247
Working tree examples: '.', '..', 'foo@', but NOT 'foo/@bar'
1249
Revisions are specified using a dirname/@revno pair, where dirname is the
1250
branch directory and revno is the revision within that branch. If no revno
1251
is specified, the latest revision is used.
1253
Revision examples: './@127', 'foo/@', '../@1'
1255
The OTHER_SPEC parameter is required. If the BASE_SPEC parameter is
1256
not supplied, the common ancestor of OTHER_SPEC the current branch is used
1259
merge refuses to run if there are any uncommitted changes, unless
1262
takes_args = ['other_spec', 'base_spec?']
1263
takes_options = ['force']
1265
def run(self, other_spec, base_spec=None, force=False):
1266
from bzrlib.merge import merge
1267
merge(parse_spec(other_spec), parse_spec(base_spec),
1268
check_clean=(not force))
1272
class cmd_revert(Command):
1273
"""Restore selected files from a previous revision.
1275
takes_args = ['file+']
1276
def run(self, file_list):
1277
from bzrlib.branch import find_branch
1282
b = find_branch(file_list[0])
1284
b.revert([b.relpath(f) for f in file_list])
1287
class cmd_merge_revert(Command):
1288
"""Reverse all changes since the last commit.
1290
Only versioned files are affected.
1292
TODO: Store backups of any files that will be reverted, so
1293
that the revert can be undone.
1295
takes_options = ['revision']
1297
def run(self, revision=-1):
1298
from bzrlib.merge import merge
1299
merge(('.', revision), parse_spec('.'),
1304
class cmd_assert_fail(Command):
1305
"""Test reporting of assertion failures"""
1308
assert False, "always fails"
1311
class cmd_help(Command):
1312
"""Show help on a command or other topic.
1314
For a list of all available commands, say 'bzr help commands'."""
1315
takes_args = ['topic?']
1318
def run(self, topic=None):
1325
class cmd_plugins(Command):
1329
import bzrlib.plugin
1330
from pprint import pprint
1331
pprint(bzrlib.plugin.all_plugins)
1335
# list of all available options; the rhs can be either None for an
1336
# option that takes no argument, or a constructor function that checks
1340
'diff-options': str,
1349
'revision': _parse_revision_str,
1371
def parse_args(argv):
1372
"""Parse command line.
1374
Arguments and options are parsed at this level before being passed
1375
down to specific command handlers. This routine knows, from a
1376
lookup table, something about the available options, what optargs
1377
they take, and which commands will accept them.
1379
>>> parse_args('--help'.split())
1380
([], {'help': True})
1381
>>> parse_args('--version'.split())
1382
([], {'version': True})
1383
>>> parse_args('status --all'.split())
1384
(['status'], {'all': True})
1385
>>> parse_args('commit --message=biter'.split())
1386
(['commit'], {'message': u'biter'})
1387
>>> parse_args('log -r 500'.split())
1388
(['log'], {'revision': 500})
1389
>>> parse_args('log -r500:600'.split())
1390
(['log'], {'revision': [500, 600]})
1391
>>> parse_args('log -vr500:600'.split())
1392
(['log'], {'verbose': True, 'revision': [500, 600]})
1393
>>> parse_args('log -rv500:600'.split()) #the r takes an argument
1394
Traceback (most recent call last):
1396
ValueError: invalid literal for int(): v500
1401
# TODO: Maybe handle '--' to end options?
1406
# option names must not be unicode
1410
mutter(" got option %r" % a)
1412
optname, optarg = a[2:].split('=', 1)
1415
if optname not in OPTIONS:
1416
raise BzrError('unknown long option %r' % a)
1419
if shortopt in SHORT_OPTIONS:
1420
# Multi-character options must have a space to delimit
1422
optname = SHORT_OPTIONS[shortopt]
1424
# Single character short options, can be chained,
1425
# and have their value appended to their name
1427
if shortopt not in SHORT_OPTIONS:
1428
# We didn't find the multi-character name, and we
1429
# didn't find the single char name
1430
raise BzrError('unknown short option %r' % a)
1431
optname = SHORT_OPTIONS[shortopt]
1434
# There are extra things on this option
1435
# see if it is the value, or if it is another
1437
optargfn = OPTIONS[optname]
1438
if optargfn is None:
1439
# This option does not take an argument, so the
1440
# next entry is another short option, pack it back
1442
argv.insert(0, '-' + a[2:])
1444
# This option takes an argument, so pack it
1449
# XXX: Do we ever want to support this, e.g. for -r?
1450
raise BzrError('repeated option %r' % a)
1452
optargfn = OPTIONS[optname]
1456
raise BzrError('option %r needs an argument' % a)
1458
optarg = argv.pop(0)
1459
opts[optname] = optargfn(optarg)
1462
raise BzrError('option %r takes no argument' % optname)
1463
opts[optname] = True
1472
def _match_argform(cmd, takes_args, args):
1475
# step through args and takes_args, allowing appropriate 0-many matches
1476
for ap in takes_args:
1480
argdict[argname] = args.pop(0)
1481
elif ap[-1] == '*': # all remaining arguments
1483
argdict[argname + '_list'] = args[:]
1486
argdict[argname + '_list'] = None
1489
raise BzrCommandError("command %r needs one or more %s"
1490
% (cmd, argname.upper()))
1492
argdict[argname + '_list'] = args[:]
1494
elif ap[-1] == '$': # all but one
1496
raise BzrCommandError("command %r needs one or more %s"
1497
% (cmd, argname.upper()))
1498
argdict[argname + '_list'] = args[:-1]
1504
raise BzrCommandError("command %r requires argument %s"
1505
% (cmd, argname.upper()))
1507
argdict[argname] = args.pop(0)
1510
raise BzrCommandError("extra argument to command %s: %s"
1516
def _parse_master_args(argv):
1517
"""Parse the arguments that always go with the original command.
1518
These are things like bzr --no-plugins, etc.
1520
There are now 2 types of option flags. Ones that come *before* the command,
1521
and ones that come *after* the command.
1522
Ones coming *before* the command are applied against all possible commands.
1523
And are generally applied before plugins are loaded.
1525
The current list are:
1526
--builtin Allow plugins to load, but don't let them override builtin commands,
1527
they will still be allowed if they do not override a builtin.
1528
--no-plugins Don't load any plugins. This lets you get back to official source
1530
--profile Enable the hotspot profile before running the command.
1531
For backwards compatibility, this is also a non-master option.
1532
--version Spit out the version of bzr that is running and exit.
1533
This is also a non-master option.
1534
--help Run help and exit, also a non-master option (I think that should stay, though)
1536
>>> argv, opts = _parse_master_args(['bzr', '--test'])
1537
Traceback (most recent call last):
1539
BzrCommandError: Invalid master option: 'test'
1540
>>> argv, opts = _parse_master_args(['bzr', '--version', 'command'])
1543
>>> print opts['version']
1545
>>> argv, opts = _parse_master_args(['bzr', '--profile', 'command', '--more-options'])
1547
['command', '--more-options']
1548
>>> print opts['profile']
1550
>>> argv, opts = _parse_master_args(['bzr', '--no-plugins', 'command'])
1553
>>> print opts['no-plugins']
1555
>>> print opts['profile']
1557
>>> argv, opts = _parse_master_args(['bzr', 'command', '--profile'])
1559
['command', '--profile']
1560
>>> print opts['profile']
1563
master_opts = {'builtin':False,
1570
# This is the point where we could hook into argv[0] to determine
1571
# what front-end is supposed to be run
1572
# For now, we are just ignoring it.
1573
cmd_name = argv.pop(0)
1575
if arg[:2] != '--': # at the first non-option, we return the rest
1577
arg = arg[2:] # Remove '--'
1578
if arg not in master_opts:
1579
# We could say that this is not an error, that we should
1580
# just let it be handled by the main section instead
1581
raise BzrCommandError('Invalid master option: %r' % arg)
1582
argv.pop(0) # We are consuming this entry
1583
master_opts[arg] = True
1584
return argv, master_opts
1589
"""Execute a command.
1591
This is similar to main(), but without all the trappings for
1592
logging and error handling.
1594
argv = [a.decode(bzrlib.user_encoding) for a in argv]
1597
# some options like --builtin and --no-plugins have special effects
1598
argv, master_opts = _parse_master_args(argv)
1599
if not master_opts['no-plugins']:
1600
from bzrlib.plugin import load_plugins
1603
args, opts = parse_args(argv)
1605
if master_opts['help']:
1606
from bzrlib.help import help
1614
from bzrlib.help import help
1620
elif 'version' in opts:
1623
elif args and args[0] == 'builtin':
1624
include_plugins=False
1626
cmd = str(args.pop(0))
1633
plugins_override = not (master_opts['builtin'])
1634
canonical_cmd, cmd_class = get_cmd_class(cmd, plugins_override=plugins_override)
1636
profile = master_opts['profile']
1637
# For backwards compatibility, I would rather stick with --profile being a
1638
# master/global option
1639
if 'profile' in opts:
1643
# check options are reasonable
1644
allowed = cmd_class.takes_options
1646
if oname not in allowed:
1647
raise BzrCommandError("option '--%s' is not allowed for command %r"
1650
# mix arguments and options into one dictionary
1651
cmdargs = _match_argform(cmd, cmd_class.takes_args, args)
1653
for k, v in opts.items():
1654
cmdopts[k.replace('-', '_')] = v
1657
import hotshot, tempfile
1658
pffileno, pfname = tempfile.mkstemp()
1660
prof = hotshot.Profile(pfname)
1661
ret = prof.runcall(cmd_class, cmdopts, cmdargs) or 0
1664
import hotshot.stats
1665
stats = hotshot.stats.load(pfname)
1667
stats.sort_stats('time')
1668
## XXX: Might like to write to stderr or the trace file instead but
1669
## print_stats seems hardcoded to stdout
1670
stats.print_stats(20)
1678
return cmd_class(cmdopts, cmdargs).status
1681
def _report_exception(summary, quiet=False):
1683
log_error('bzr: ' + summary)
1684
bzrlib.trace.log_exception()
1687
tb = sys.exc_info()[2]
1688
exinfo = traceback.extract_tb(tb)
1690
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
1691
sys.stderr.write(' see ~/.bzr.log for debug information\n')
1697
bzrlib.trace.open_tracefile(argv)
1702
return run_bzr(argv)
1704
# do this here inside the exception wrappers to catch EPIPE
1707
quiet = isinstance(e, (BzrCommandError))
1708
_report_exception('error: ' + e.args[0], quiet=quiet)
1711
# some explanation or hints
1714
except AssertionError, e:
1715
msg = 'assertion failed'
1717
msg += ': ' + str(e)
1718
_report_exception(msg)
1720
except KeyboardInterrupt, e:
1721
_report_exception('interrupted', quiet=True)
1723
except Exception, e:
1726
if (isinstance(e, IOError)
1727
and hasattr(e, 'errno')
1728
and e.errno == errno.EPIPE):
1732
msg = str(e).rstrip('\n')
1733
_report_exception(msg, quiet)
1736
bzrlib.trace.close_trace()
1739
if __name__ == '__main__':
1740
sys.exit(main(sys.argv))