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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 bailout, 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 _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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"""Find all python files which are plugins, and load their commands
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to add to the list of "all commands"
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The environment variable BZRPATH is considered a delimited set of
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paths to look through. Each entry is searched for *.py files.
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If a directory is found, it is also searched, but they are
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not searched recursively. This allows you to revctl the plugins.
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Inside the plugin should be a series of cmd_* function, which inherit from
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the bzrlib.commands.Command class.
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bzrpath = os.environ.get('BZRPLUGINPATH', '')
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_platform_extensions = {
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if _platform_extensions.has_key(sys.platform):
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platform_extension = _platform_extensions[sys.platform]
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platform_extension = None
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for d in bzrpath.split(os.pathsep):
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plugin_names = {} # This should really be a set rather than a dict
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for f in os.listdir(d):
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if f.endswith('.py'):
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elif f.endswith('.pyc') or f.endswith('.pyo'):
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elif platform_extension and f.endswith(platform_extension):
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f = f[:-len(platform_extension)]
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if f.endswidth('module'):
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f = f[:-len('module')]
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if not plugin_names.has_key(f):
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plugin_names[f] = True
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plugin_names = plugin_names.keys()
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sys.path.insert(0, d)
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for name in plugin_names:
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if sys.modules.has_key(name):
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old_module = sys.modules[name]
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del sys.modules[name]
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plugin = __import__(name, locals())
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for k in dir(plugin):
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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] = getattr(plugin, k)
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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 in dir %r' % (name, d))
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sys.modules[name] = old_module
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except ImportError, e:
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log_error('Unable to load plugin: %r from %r\n%s' % (name, d, e))
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def _get_cmd_dict(include_plugins=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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d.update(_find_plugins())
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def get_all_cmds(include_plugins=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(include_plugins=include_plugins).iteritems():
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def get_cmd_class(cmd,include_plugins=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(include_plugins=include_plugins)
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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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# TODO: If either of these fail, we should detect that and
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# assume that path is not really a bzr plugin after all.
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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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self.takes_args = pipe.readline().split()
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pipe = os.popen('%s --bzr-help' % path, 'r')
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self.__doc__ = pipe.read()
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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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if OPTIONS.has_key(name):
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opts.append('--%s' % name)
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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_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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location = stored_loc
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raise BzrCommandError("No pull location known or specified.")
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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
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FROM_LOCATION will be used. In other words,
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"branch ../foo/bar" will attempt to create ./bar.
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takes_args = ['from_location', 'to_location?']
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def run(self, from_location, to_location=None):
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from bzrlib.merge import merge
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from branch import find_branch, DivergedBranches
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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)
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# FIXME: If there's a trailing slash, keep removing them
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# until we find the right bit
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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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from_location = pull_loc(br_from)
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br_to.update_revisions(br_from)
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merge((to_location, -1), (to_location, 0), this_dir=to_location,
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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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bailout("%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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bailout("%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
967
# 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'))
980
inv = b.working_tree().inventory
981
if inv.path2id('.bzrignore'):
982
mutter('.bzrignore is already versioned')
984
mutter('need to make new .bzrignore file versioned')
985
b.add(['.bzrignore'])
989
class cmd_ignored(Command):
990
"""List ignored files and the patterns that matched them.
992
See also: bzr ignore"""
994
tree = Branch('.').working_tree()
995
for path, file_class, kind, file_id in tree.list_files():
996
if file_class != 'I':
998
## XXX: Slightly inefficient since this was already calculated
999
pat = tree.is_ignored(path)
1000
print '%-50s %s' % (path, pat)
1003
class cmd_lookup_revision(Command):
1004
"""Lookup the revision-id from a revision-number
1007
bzr lookup-revision 33
1010
takes_args = ['revno']
1012
def run(self, revno):
1016
raise BzrCommandError("not a valid revision-number: %r" % revno)
1018
print Branch('.').lookup_revision(revno)
1021
class cmd_export(Command):
1022
"""Export past revision to destination directory.
1024
If no revision is specified this exports the last committed revision."""
1025
takes_args = ['dest']
1026
takes_options = ['revision']
1027
def run(self, dest, revision=None):
1029
if revision == None:
1030
rh = b.revision_history()[-1]
1032
rh = b.lookup_revision(int(revision))
1033
t = b.revision_tree(rh)
1037
class cmd_cat(Command):
1038
"""Write a file's text from a previous revision."""
1040
takes_options = ['revision']
1041
takes_args = ['filename']
1043
def run(self, filename, revision=None):
1044
if revision == None:
1045
raise BzrCommandError("bzr cat requires a revision number")
1047
b.print_file(b.relpath(filename), int(revision))
1050
class cmd_local_time_offset(Command):
1051
"""Show the offset in seconds from GMT to local time."""
1054
print bzrlib.osutils.local_time_offset()
1058
class cmd_commit(Command):
1059
"""Commit changes into a new revision.
1061
If selected files are specified, only changes to those files are
1062
committed. If a directory is specified then its contents are also
1065
A selected-file commit may fail in some cases where the committed
1066
tree would be invalid, such as trying to commit a file in a
1067
newly-added directory that is not itself committed.
1069
TODO: Run hooks on tree to-be-committed, and after commit.
1071
TODO: Strict commit that fails if there are unknown or deleted files.
1073
takes_args = ['selected*']
1074
takes_options = ['message', 'file', 'verbose']
1075
aliases = ['ci', 'checkin']
1077
def run(self, message=None, file=None, verbose=True, selected_list=None):
1078
from bzrlib.commit import commit
1080
## Warning: shadows builtin file()
1081
if not message and not file:
1082
raise BzrCommandError("please specify a commit message",
1083
["use either --message or --file"])
1084
elif message and file:
1085
raise BzrCommandError("please specify either --message or --file")
1089
message = codecs.open(file, 'rt', bzrlib.user_encoding).read()
1092
commit(b, message, verbose=verbose, specific_files=selected_list)
1095
class cmd_check(Command):
1096
"""Validate consistency of branch history.
1098
This command checks various invariants about the branch storage to
1099
detect data corruption or bzr bugs.
1101
takes_args = ['dir?']
1102
def run(self, dir='.'):
1104
bzrlib.check.check(Branch(dir))
1108
class cmd_whoami(Command):
1109
"""Show bzr user id."""
1110
takes_options = ['email']
1112
def run(self, email=False):
1114
print bzrlib.osutils.user_email()
1116
print bzrlib.osutils.username()
1119
class cmd_selftest(Command):
1120
"""Run internal test suite"""
1123
from bzrlib.selftest import selftest
1131
class cmd_version(Command):
1132
"""Show version of bzr."""
1137
print "bzr (bazaar-ng) %s" % bzrlib.__version__
1138
# is bzrlib itself in a branch?
1139
bzrrev = bzrlib.get_bzr_revision()
1141
print " (bzr checkout, revision %d {%s})" % bzrrev
1142
print bzrlib.__copyright__
1143
print "http://bazaar-ng.org/"
1145
print "bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and"
1146
print "you may use, modify and redistribute it under the terms of the GNU"
1147
print "General Public License version 2 or later."
1150
class cmd_rocks(Command):
1151
"""Statement of optimism."""
1154
print "it sure does!"
1156
def parse_spec(spec):
1158
>>> parse_spec(None)
1160
>>> parse_spec("./")
1162
>>> parse_spec("../@")
1164
>>> parse_spec("../f/@35")
1170
parsed = spec.split('/@')
1171
assert len(parsed) == 2
1175
parsed[1] = int(parsed[1])
1176
assert parsed[1] >=0
1178
parsed = [spec, None]
1183
class cmd_merge(Command):
1184
"""Perform a three-way merge of trees.
1186
The SPEC parameters are working tree or revision specifiers. Working trees
1187
are specified using standard paths or urls. No component of a directory
1188
path may begin with '@'.
1190
Working tree examples: '.', '..', 'foo@', but NOT 'foo/@bar'
1192
Revisions are specified using a dirname/@revno pair, where dirname is the
1193
branch directory and revno is the revision within that branch. If no revno
1194
is specified, the latest revision is used.
1196
Revision examples: './@127', 'foo/@', '../@1'
1198
The OTHER_SPEC parameter is required. If the BASE_SPEC parameter is
1199
not supplied, the common ancestor of OTHER_SPEC the current branch is used
1202
merge refuses to run if there are any uncommitted changes, unless
1205
takes_args = ['other_spec', 'base_spec?']
1206
takes_options = ['force']
1208
def run(self, other_spec, base_spec=None, force=False):
1209
from bzrlib.merge import merge
1210
merge(parse_spec(other_spec), parse_spec(base_spec),
1211
check_clean=(not force))
1214
class cmd_revert(Command):
1215
"""Reverse all changes since the last commit.
1217
Only versioned files are affected.
1219
TODO: Store backups of any files that will be reverted, so
1220
that the revert can be undone.
1222
takes_options = ['revision']
1224
def run(self, revision=-1):
1225
from bzrlib.merge import merge
1226
merge(('.', revision), parse_spec('.'),
1231
class cmd_assert_fail(Command):
1232
"""Test reporting of assertion failures"""
1235
assert False, "always fails"
1238
class cmd_help(Command):
1239
"""Show help on a command or other topic.
1241
For a list of all available commands, say 'bzr help commands'."""
1242
takes_args = ['topic?']
1245
def run(self, topic=None):
1250
class cmd_update_stat_cache(Command):
1251
"""Update stat-cache mapping inodes to SHA-1 hashes.
1253
For testing only."""
1258
statcache.update_cache(b.base, b.read_working_inventory())
1262
# list of all available options; the rhs can be either None for an
1263
# option that takes no argument, or a constructor function that checks
1267
'diff-options': str,
1275
'revision': _parse_revision_str,
1292
def parse_args(argv):
1293
"""Parse command line.
1295
Arguments and options are parsed at this level before being passed
1296
down to specific command handlers. This routine knows, from a
1297
lookup table, something about the available options, what optargs
1298
they take, and which commands will accept them.
1300
>>> parse_args('--help'.split())
1301
([], {'help': True})
1302
>>> parse_args('--version'.split())
1303
([], {'version': True})
1304
>>> parse_args('status --all'.split())
1305
(['status'], {'all': True})
1306
>>> parse_args('commit --message=biter'.split())
1307
(['commit'], {'message': u'biter'})
1312
# TODO: Maybe handle '--' to end options?
1317
# option names must not be unicode
1321
mutter(" got option %r" % a)
1323
optname, optarg = a[2:].split('=', 1)
1326
if optname not in OPTIONS:
1327
bailout('unknown long option %r' % a)
1330
if shortopt not in SHORT_OPTIONS:
1331
bailout('unknown short option %r' % a)
1332
optname = SHORT_OPTIONS[shortopt]
1335
# XXX: Do we ever want to support this, e.g. for -r?
1336
bailout('repeated option %r' % a)
1338
optargfn = OPTIONS[optname]
1342
bailout('option %r needs an argument' % a)
1344
optarg = argv.pop(0)
1345
opts[optname] = optargfn(optarg)
1348
bailout('option %r takes no argument' % optname)
1349
opts[optname] = True
1358
def _match_argform(cmd, takes_args, args):
1361
# step through args and takes_args, allowing appropriate 0-many matches
1362
for ap in takes_args:
1366
argdict[argname] = args.pop(0)
1367
elif ap[-1] == '*': # all remaining arguments
1369
argdict[argname + '_list'] = args[:]
1372
argdict[argname + '_list'] = None
1375
raise BzrCommandError("command %r needs one or more %s"
1376
% (cmd, argname.upper()))
1378
argdict[argname + '_list'] = args[:]
1380
elif ap[-1] == '$': # all but one
1382
raise BzrCommandError("command %r needs one or more %s"
1383
% (cmd, argname.upper()))
1384
argdict[argname + '_list'] = args[:-1]
1390
raise BzrCommandError("command %r requires argument %s"
1391
% (cmd, argname.upper()))
1393
argdict[argname] = args.pop(0)
1396
raise BzrCommandError("extra argument to command %s: %s"
1404
"""Execute a command.
1406
This is similar to main(), but without all the trappings for
1407
logging and error handling.
1409
argv = [a.decode(bzrlib.user_encoding) for a in argv]
1411
include_plugins=True
1413
args, opts = parse_args(argv[1:])
1421
elif 'version' in opts:
1424
elif args and args[0] == 'builtin':
1425
include_plugins=False
1427
cmd = str(args.pop(0))
1434
canonical_cmd, cmd_class = get_cmd_class(cmd,include_plugins=include_plugins)
1437
if 'profile' in opts:
1443
# check options are reasonable
1444
allowed = cmd_class.takes_options
1446
if oname not in allowed:
1447
raise BzrCommandError("option '--%s' is not allowed for command %r"
1450
# mix arguments and options into one dictionary
1451
cmdargs = _match_argform(cmd, cmd_class.takes_args, args)
1453
for k, v in opts.items():
1454
cmdopts[k.replace('-', '_')] = v
1457
import hotshot, tempfile
1458
pffileno, pfname = tempfile.mkstemp()
1460
prof = hotshot.Profile(pfname)
1461
ret = prof.runcall(cmd_class, cmdopts, cmdargs) or 0
1464
import hotshot.stats
1465
stats = hotshot.stats.load(pfname)
1467
stats.sort_stats('time')
1468
## XXX: Might like to write to stderr or the trace file instead but
1469
## print_stats seems hardcoded to stdout
1470
stats.print_stats(20)
1478
return cmd_class(cmdopts, cmdargs).status
1481
def _report_exception(summary, quiet=False):
1483
log_error('bzr: ' + summary)
1484
bzrlib.trace.log_exception()
1487
tb = sys.exc_info()[2]
1488
exinfo = traceback.extract_tb(tb)
1490
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
1491
sys.stderr.write(' see ~/.bzr.log for debug information\n')
1498
bzrlib.open_tracefile(argv)
1503
return run_bzr(argv)
1505
# do this here inside the exception wrappers to catch EPIPE
1508
quiet = isinstance(e, (BzrCommandError))
1509
_report_exception('error: ' + e.args[0], quiet=quiet)
1512
# some explanation or hints
1515
except AssertionError, e:
1516
msg = 'assertion failed'
1518
msg += ': ' + str(e)
1519
_report_exception(msg)
1521
except KeyboardInterrupt, e:
1522
_report_exception('interrupted', quiet=True)
1524
except Exception, e:
1526
if (isinstance(e, IOError)
1527
and hasattr(e, 'errno')
1528
and e.errno == errno.EPIPE):
1532
msg = str(e).rstrip('\n')
1533
_report_exception(msg, quiet)
1536
bzrlib.trace.close_trace()
1539
if __name__ == '__main__':
1540
sys.exit(main(sys.argv))
added
removed
bzrlib/commands.py
