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# Copyright (C) 2005-2010 Canonical Ltd
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# Copyright (C) 2004, 2005 by Martin Pool
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# Copyright (C) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# TODO: Define arguments by objects, rather than just using names.
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# Those objects can specify the expected type of the argument, which
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# would help with validation and shell completion. They could also provide
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# help/explanation for that argument in a structured way.
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# TODO: Specific "examples" property on commands for consistent formatting.
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from warnings import warn
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Bazaar-NG -- a free distributed version-control tool
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**WARNING: THIS IS AN UNSTABLE DEVELOPMENT VERSION**
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Current limitation include:
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* Metadata format is not stable yet -- you may need to
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discard history in the future.
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* Insufficient error handling.
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* Many commands unimplemented or partially implemented.
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* Space-inefficient storage.
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* No merge operators yet.
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Interesting commands::
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Show software version/licence/non-warranty.
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Start versioning the current directory
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Show revision history.
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Show changes from last revision to working copy.
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bzr commit -m 'MESSAGE'
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Store current state as new revision.
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bzr export REVNO DESTINATION
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Export the branch state at a previous version.
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Show summary of pending changes.
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Make a file not versioned.
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Show statistics about this branch.
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import sys, os, random, time, sha, sets, types, re, shutil, tempfile
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import traceback, socket, fnmatch, difflib
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from pprint import pprint
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from bzrlib.hooks import HookPoint, Hooks
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# Compatibility - Option used to be in commands.
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from bzrlib.option import Option
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from bzrlib.plugin import disable_plugins, load_plugins
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from bzrlib import registry
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from bzrlib.symbol_versioning import (
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class CommandInfo(object):
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"""Information about a command."""
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def __init__(self, aliases):
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"""The list of aliases for the command."""
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self.aliases = aliases
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def from_command(klass, command):
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"""Factory to construct a CommandInfo from a command."""
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return klass(command.aliases)
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class CommandRegistry(registry.Registry):
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"""Special registry mapping command names to command classes.
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:ivar overridden_registry: Look in this registry for commands being
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overridden by this registry. This can be used to tell plugin commands
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about the builtin they're decorating.
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registry.Registry.__init__(self)
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self.overridden_registry = None
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# map from aliases to the real command that implements the name
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def get(self, command_name):
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real_name = self._alias_dict.get(command_name, command_name)
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return registry.Registry.get(self, real_name)
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def _get_name(command_name):
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if command_name.startswith("cmd_"):
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return _unsquish_command_name(command_name)
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def register(self, cmd, decorate=False):
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"""Utility function to help register a command
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:param cmd: Command subclass to register
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:param decorate: If true, allow overriding an existing command
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of the same name; the old command is returned by this function.
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Otherwise it is an error to try to override an existing command.
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k_unsquished = self._get_name(k)
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previous = self.get(k_unsquished)
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if self.overridden_registry:
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previous = self.overridden_registry.get(k_unsquished)
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info = CommandInfo.from_command(cmd)
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registry.Registry.register(self, k_unsquished, cmd,
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override_existing=decorate, info=info)
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trace.warning('Two plugins defined the same command: %r' % k)
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trace.warning('Not loading the one in %r' %
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sys.modules[cmd.__module__])
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trace.warning('Previously this command was registered from %r' %
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sys.modules[previous.__module__])
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for a in cmd.aliases:
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self._alias_dict[a] = k_unsquished
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def register_lazy(self, command_name, aliases, module_name):
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"""Register a command without loading its module.
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:param command_name: The primary name of the command.
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:param aliases: A list of aliases for the command.
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:module_name: The module that the command lives in.
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key = self._get_name(command_name)
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registry.Registry.register_lazy(self, key, module_name, command_name,
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info=CommandInfo(aliases))
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self._alias_dict[a] = key
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plugin_cmds = CommandRegistry()
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builtin_command_registry = CommandRegistry()
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plugin_cmds.overridden_registry = builtin_command_registry
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def register_command(cmd, decorate=False):
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"""Register a plugin command.
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Should generally be avoided in favor of lazy registration.
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return plugin_cmds.register(cmd, decorate)
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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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return cmd[4:].replace('_','-')
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@deprecated_function(deprecated_in((2, 2, 0)))
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def _builtin_commands():
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"""Return a dict of {name: cmd_class} for builtin commands.
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:deprecated: Use the builtin_command_registry registry instead
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# return dict(name: cmd_class)
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return dict(builtin_command_registry.items())
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def _register_builtin_commands():
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if builtin_command_registry.keys():
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import bzrlib.builtins
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for cmd_class in _scan_module_for_commands(bzrlib.builtins).values():
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builtin_command_registry.register(cmd_class)
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bzrlib.builtins._register_lazy_builtins()
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def _scan_module_for_commands(module):
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for name, obj in module.__dict__.iteritems():
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if name.startswith("cmd_"):
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real_name = _unsquish_command_name(name)
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def _list_bzr_commands(names):
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"""Find commands from bzr's core and plugins.
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This is not the public interface, just the default hook called by all_command_names.
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# to eliminate duplicates
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names.update(builtin_command_names())
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names.update(plugin_command_names())
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def all_command_names():
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"""Return a set of all command names."""
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for hook in Command.hooks['list_commands']:
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raise AssertionError(
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'hook %s returned None' % Command.hooks.get_hook_name(hook))
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def builtin_command_names():
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"""Return list of builtin command names.
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Use of all_command_names() is encouraged rather than builtin_command_names
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and/or plugin_command_names.
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return builtin_command_registry.keys()
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def plugin_command_names():
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"""Returns command names from commands registered by plugins."""
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return plugin_cmds.keys()
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def get_cmd_object(cmd_name, plugins_override=True):
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"""Return the command object for a command.
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If true, plugin commands can override builtins.
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return _get_cmd_object(cmd_name, plugins_override)
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raise errors.BzrCommandError('unknown command "%s"' % cmd_name)
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def _get_cmd_object(cmd_name, plugins_override=True, check_missing=True):
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"""Get a command object.
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:param cmd_name: The name of the command.
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:param plugins_override: Allow plugins to override builtins.
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:param check_missing: Look up commands not found in the regular index via
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the get_missing_command hook.
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:return: A Command object instance
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:raises KeyError: If no command is found.
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# We want only 'ascii' command names, but the user may have typed
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# in a Unicode name. In that case, they should just get a
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# 'command not found' error later.
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# In the future, we may actually support Unicode command names.
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for hook in Command.hooks['get_command']:
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cmd = hook(cmd, cmd_name)
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if cmd is not None and not plugins_override and not cmd.plugin_name():
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# We've found a non-plugin command, don't permit it to be
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if cmd is None and check_missing:
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for hook in Command.hooks['get_missing_command']:
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# Allow plugins to extend commands
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for hook in Command.hooks['extend_command']:
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def _try_plugin_provider(cmd_name):
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"""Probe for a plugin provider having cmd_name."""
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plugin_metadata, provider = probe_for_provider(cmd_name)
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raise errors.CommandAvailableInPlugin(cmd_name,
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plugin_metadata, provider)
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except errors.NoPluginAvailable:
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def probe_for_provider(cmd_name):
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"""Look for a provider for cmd_name.
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:param cmd_name: The command name.
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:return: plugin_metadata, provider for getting cmd_name.
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:raises NoPluginAvailable: When no provider can supply the plugin.
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# look for providers that provide this command but aren't installed
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for provider in command_providers_registry:
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return provider.plugin_for_command(cmd_name), provider
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except errors.NoPluginAvailable:
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raise errors.NoPluginAvailable(cmd_name)
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def _get_bzr_command(cmd_or_None, cmd_name):
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"""Get a command from bzr's core."""
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cmd_class = builtin_command_registry.get(cmd_name)
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def _get_external_command(cmd_or_None, cmd_name):
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"""Lookup a command that is a shell script."""
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# Only do external command lookups when no command is found so far.
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if cmd_or_None is not None:
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from bzrlib.externalcommand import ExternalCommand
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cmd_obj = ExternalCommand.find_command(cmd_name)
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def _get_plugin_command(cmd_or_None, cmd_name):
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"""Get a command from bzr's plugins."""
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return plugin_cmds.get(cmd_name)()
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for key in plugin_cmds.keys():
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info = plugin_cmds.get_info(key)
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if cmd_name in info.aliases:
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return plugin_cmds.get(key)()
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class Command(object):
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"""Base class for commands.
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Commands are the heart of the command-line bzr interface.
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The command object mostly handles the mapping of command-line
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parameters into one or more bzrlib operations, and of the results
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Commands normally don't have any state. All their arguments are
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passed in to the run method. (Subclasses may take a different
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policy if the behaviour of the instance needs to depend on e.g. a
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shell plugin and not just its Python class.)
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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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Other accepted names for this command.
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List of argument forms, marked with whether they are optional,
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['to_location', 'from_branch?', 'file*']
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'to_location' is required
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'from_branch' is optional
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'file' can be specified 0 or more times
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List of options that may be given for this command. These can
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be either strings, referring to globally-defined options,
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or option objects. Retrieve through options().
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If true, this command isn't advertised. This is typically
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for commands intended for expert users.
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Command objects will get a 'outf' attribute, which has been
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setup to properly handle encoding of unicode strings.
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encoding_type determines what will happen when characters cannot
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strict - abort if we cannot decode
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replace - put in a bogus character (typically '?')
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exact - do not encode sys.stdout
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NOTE: by default on Windows, sys.stdout is opened as a text
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stream, therefore LF line-endings are converted to CRLF.
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When a command uses encoding_type = 'exact', then
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sys.stdout is forced to be a binary stream, and line-endings
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:cvar hooks: An instance of CommandHooks.
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encoding_type = 'strict'
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"""Construct an instance of this command."""
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if self.__doc__ == Command.__doc__:
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warn("No help message set for %r" % self)
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# List of standard options directly supported
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self.supported_std_options = []
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def add_cleanup(self, cleanup_func, *args, **kwargs):
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"""Register a function to call after self.run returns or raises.
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Functions will be called in LIFO order.
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self._operation.add_cleanup(cleanup_func, *args, **kwargs)
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def cleanup_now(self):
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"""Execute and empty pending cleanup functions immediately.
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After cleanup_now all registered cleanups are forgotten. add_cleanup
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may be called again after cleanup_now; these cleanups will be called
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after self.run returns or raises (or when cleanup_now is next called).
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This is useful for releasing expensive or contentious resources (such
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as write locks) before doing further work that does not require those
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resources (such as writing results to self.outf). Note though, that
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as it releases all resources, this may release locks that the command
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wants to hold, so use should be done with care.
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self._operation.cleanup_now()
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@deprecated_method(deprecated_in((2, 1, 0)))
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def _maybe_expand_globs(self, file_list):
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"""Glob expand file_list if the platform does not do that itself.
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Not used anymore, now that the bzr command-line parser globs on
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:return: A possibly empty list of unicode paths.
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Introduced in bzrlib 0.18.
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"""Return single-line grammar for this command.
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Only describes arguments, not options.
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s = 'bzr ' + self.name() + ' '
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for aname in self.takes_args:
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aname = aname.upper()
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if aname[-1] in ['$', '+']:
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aname = aname[:-1] + '...'
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elif aname[-1] == '?':
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aname = '[' + aname[:-1] + ']'
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elif aname[-1] == '*':
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aname = '[' + aname[:-1] + '...]'
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s = s[:-1] # remove last space
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def get_help_text(self, additional_see_also=None, plain=True,
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see_also_as_links=False, verbose=True):
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"""Return a text string with help for this command.
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:param additional_see_also: Additional help topics to be
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:param plain: if False, raw help (reStructuredText) is
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returned instead of plain text.
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:param see_also_as_links: if True, convert items in 'See also'
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list to internal links (used by bzr_man rstx generator)
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:param verbose: if True, display the full help, otherwise
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leave out the descriptive sections and just display
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usage help (e.g. Purpose, Usage, Options) with a
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message explaining how to obtain full help.
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raise NotImplementedError("sorry, no detailed help yet for %r" % self.name())
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# Extract the summary (purpose) and sections out from the text
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purpose,sections,order = self._get_help_parts(doc)
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# If a custom usage section was provided, use it
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if sections.has_key('Usage'):
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usage = sections.pop('Usage')
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usage = self._usage()
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# The header is the purpose and usage
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result += ':Purpose: %s\n' % purpose
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if usage.find('\n') >= 0:
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result += ':Usage:\n%s\n' % usage
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result += ':Usage: %s\n' % usage
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# XXX: optparse implicitly rewraps the help, and not always perfectly,
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# so we get <https://bugs.launchpad.net/bzr/+bug/249908>. -- mbp
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options = option.get_optparser(self.options()).format_option_help()
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# XXX: According to the spec, ReST option lists actually don't support
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# options like --1.9 so that causes syntax errors (in Sphinx at least).
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# As that pattern always appears in the commands that break, we trap
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# on that and then format that block of 'format' options as a literal
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if not plain and options.find(' --1.9 ') != -1:
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options = options.replace(' format:\n', ' format::\n\n', 1)
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if options.startswith('Options:'):
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result += ':' + options
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elif options.startswith('options:'):
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# Python 2.4 version of optparse
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result += ':Options:' + options[len('options:'):]
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from bzrlib.store import ImmutableStore
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from bzrlib.trace import mutter, note, log_error
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from bzrlib.errors import bailout, BzrError
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from bzrlib.osutils import quotefn, pumpfile, isdir, isfile
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from bzrlib.tree import RevisionTree, EmptyTree, WorkingTree, Tree
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from bzrlib.revision import Revision
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from bzrlib import Branch, Inventory, InventoryEntry, ScratchBranch, BZRDIR, \
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BZR_DIFF_FORMAT = "## Bazaar-NG diff, format 0 ##\n"
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BZR_PATCHNAME_FORMAT = 'cset:sha1:%s'
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## standard representation
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NONE_STRING = '(none)'
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## TODO: Perhaps a different version of inventory commands that
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## returns iterators...
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## TODO: Perhaps an AtomicFile class that writes to a temporary file and then renames.
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## TODO: Some kind of locking on branches. Perhaps there should be a
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## parameter to the branch object saying whether we want a read or
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## write lock; release it from destructor. Perhaps don't even need a
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## read lock to look at immutable objects?
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## TODO: Perhaps make UUIDs predictable in test mode to make it easier
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## to compare output?
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## TODO: Some kind of global code to generate the right Branch object
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## to work on. Almost, but not quite all, commands need one, and it
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## can be taken either from their parameters or their working
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## TODO: rename command, needed soon: check destination doesn't exist
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## either in working copy or tree; move working copy; update
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## inventory; write out
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## TODO: move command; check destination is a directory and will not
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## TODO: command to show renames, one per line, as to->from
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def cmd_status(all=False):
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"""Display status summary.
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For each file there is a single line giving its file state and name.
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The name is that in the current revision unless it is deleted or
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missing, in which case the old name is shown.
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:todo: Don't show unchanged files unless ``--all`` is given?
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Branch('.').show_status(show_all=all)
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######################################################################
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def cmd_get_revision(revision_id):
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Branch('.').get_revision(revision_id).write_xml(sys.stdout)
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def cmd_get_file_text(text_id):
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"""Get contents of a file by hash."""
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sf = Branch('.').text_store[text_id]
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pumpfile(sf, sys.stdout)
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######################################################################
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"""Show number of revisions on this branch"""
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print Branch('.').revno()
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def cmd_add(file_list, verbose=False):
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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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bzrlib.add.smart_add(file_list, verbose)
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def cmd_relpath(filename):
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"""Show path of file relative to root"""
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print Branch(filename).relpath(filename)
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def cmd_inventory(revision=None):
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"""Show inventory of the current working copy."""
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## TODO: Also optionally show a previous inventory
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## TODO: Format options
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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.iter_entries():
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print '%-50s %s' % (entry.file_id, path)
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def cmd_mv(source_list, dest):
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b.rename([b.relpath(s) for s in source_list], b.relpath(dest))
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"""info: Show statistical information for this branch
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info.show_info(Branch('.'))
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def cmd_remove(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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def cmd_file_id(filename):
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i = b.inventory.path2id(b.relpath(filename))
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bailout("%s is not a versioned file" % filename)
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def cmd_find_filename(fileid):
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n = find_filename(fileid)
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bailout("%s is not a live file id" % fileid)
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def cmd_revision_history():
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for patchid in Branch('.').revision_history():
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def cmd_directories():
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for name, ie in Branch('.').read_working_inventory().directories():
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for name, ie in Branch('.').working_tree().missing():
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# TODO: Check we're not already in a working directory? At the
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# moment you'll get an ugly error.
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# TODO: What if we're in a subdirectory of a branch? Would like
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# to allow that, but then the parent may need to understand that
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# the children have disappeared, or should they be versioned in
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# TODO: Take an argument/option for branch name.
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Branch('.', init=True)
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def cmd_diff(revision=None):
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"""bzr diff: Show differences in working tree.
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usage: bzr diff [-r REV]
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Show changes since REV, rather than predecessor.
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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: Diff selected files.
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## TODO: Shouldn't be in the cmd function.
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old_tree = b.basis_tree()
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old_tree = b.revision_tree(b.lookup_revision(revision))
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new_tree = b.working_tree()
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old_inv = old_tree.inventory
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new_inv = new_tree.inventory
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# TODO: Options to control putting on a prefix or suffix, perhaps as a format string
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DEVNULL = '/dev/null'
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# Windows users, don't panic about this filename -- it is a
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# special signal to GNU patch that the file should be created or
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# deleted respectively.
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# TODO: Generation of pseudo-diffs for added/deleted files could
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# be usefully made into a much faster special case.
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# TODO: Better to return them in sorted order I think.
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for file_state, fid, old_name, new_name, kind in bzrlib.diff_trees(old_tree, new_tree):
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# Don't show this by default; maybe do it if an option is passed
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# idlabel = ' {%s}' % fid
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# FIXME: Something about the diff format makes patch unhappy
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# with newly-added files.
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def diffit(*a, **kw):
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sys.stdout.writelines(difflib.unified_diff(*a, **kw))
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if file_state in ['.', '?', 'I']:
330
elif file_state == 'A':
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print '*** added %s %r' % (kind, new_name)
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new_tree.get_file(fid).readlines(),
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tofile=new_label + new_name + idlabel)
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elif file_state == 'D':
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assert isinstance(old_name, types.StringTypes)
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print '*** deleted %s %r' % (kind, old_name)
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diffit(old_tree.get_file(fid).readlines(), [],
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fromfile=old_label + old_name + idlabel,
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elif file_state in ['M', 'R']:
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if file_state == 'M':
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assert kind == 'file'
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assert old_name == new_name
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print '*** modified %s %r' % (kind, new_name)
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elif file_state == 'R':
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print '*** renamed %s %r => %r' % (kind, old_name, new_name)
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diffit(old_tree.get_file(fid).readlines(),
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new_tree.get_file(fid).readlines(),
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fromfile=old_label + old_name + idlabel,
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tofile=new_label + new_name)
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bailout("can't represent state %s {%s}" % (file_state, fid))
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def cmd_deleted(show_ids=False):
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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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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():
377
if not new.has_id(ie.file_id):
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print '%-50s %s' % (path, ie.file_id)
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def cmd_parse_inventory():
388
cElementTree.ElementTree().parse(file('.bzr/inventory'))
392
def cmd_load_inventory():
393
inv = Branch('.').basis_tree().inventory
397
def cmd_dump_new_inventory():
398
import bzrlib.newinventory
399
inv = Branch('.').basis_tree().inventory
400
bzrlib.newinventory.write_inventory(inv, sys.stdout)
403
def cmd_load_new_inventory():
404
import bzrlib.newinventory
405
bzrlib.newinventory.read_new_inventory(sys.stdin)
408
def cmd_dump_slacker_inventory():
409
import bzrlib.newinventory
410
inv = Branch('.').basis_tree().inventory
411
bzrlib.newinventory.write_slacker_inventory(inv, sys.stdout)
415
def cmd_root(filename=None):
416
"""Print the branch root."""
417
print bzrlib.branch.find_branch_root(filename)
420
def cmd_log(timezone='original'):
421
"""Show log of this branch.
423
:todo: Options for utc; to show ids; to limit range; etc.
425
Branch('.').write_log(show_timezone=timezone)
428
def cmd_ls(revision=None, verbose=False):
429
"""List files in a tree.
431
:todo: Take a revision or remote path and list that tree instead.
435
tree = b.working_tree()
437
tree = b.revision_tree(b.lookup_revision(revision))
439
for fp, fc, kind, fid in tree.list_files():
529
# Add the description, indenting it 2 spaces
530
# to match the indentation of the options
531
if sections.has_key(None):
532
text = sections.pop(None)
533
text = '\n '.join(text.splitlines())
534
result += ':%s:\n %s\n\n' % ('Description',text)
536
# Add the custom sections (e.g. Examples). Note that there's no need
537
# to indent these as they must be indented already in the source.
540
if sections.has_key(label):
541
result += ':%s:\n%s\n' % (label,sections[label])
544
result += ("See bzr help %s for more details and examples.\n\n"
547
# Add the aliases, source (plug-in) and see also links, if any
549
result += ':Aliases: '
550
result += ', '.join(self.aliases) + '\n'
551
plugin_name = self.plugin_name()
552
if plugin_name is not None:
553
result += ':From: plugin "%s"\n' % plugin_name
554
see_also = self.get_see_also(additional_see_also)
556
if not plain and see_also_as_links:
558
for item in see_also:
560
# topics doesn't have an independent section
561
# so don't create a real link
562
see_also_links.append(item)
564
# Use a Sphinx link for this entry
565
link_text = ":doc:`%s <%s-help>`" % (item, item)
566
see_also_links.append(link_text)
567
see_also = see_also_links
568
result += ':See also: '
569
result += ', '.join(see_also) + '\n'
571
# If this will be rendered as plain text, convert it
573
import bzrlib.help_topics
574
result = bzrlib.help_topics.help_as_plain_text(result)
578
def _get_help_parts(text):
579
"""Split help text into a summary and named sections.
581
:return: (summary,sections,order) where summary is the top line and
582
sections is a dictionary of the rest indexed by section name.
583
order is the order the section appear in the text.
584
A section starts with a heading line of the form ":xxx:".
585
Indented text on following lines is the section value.
586
All text found outside a named section is assigned to the
587
default section which is given the key of None.
589
def save_section(sections, order, label, section):
591
if sections.has_key(label):
592
sections[label] += '\n' + section
595
sections[label] = section
597
lines = text.rstrip().splitlines()
598
summary = lines.pop(0)
601
label,section = None,''
603
if line.startswith(':') and line.endswith(':') and len(line) > 2:
604
save_section(sections, order, label, section)
605
label,section = line[1:-1],''
606
elif (label is not None) and len(line) > 1 and not line[0].isspace():
607
save_section(sections, order, label, section)
608
label,section = None,line
441
if kind == 'directory':
611
section += '\n' + line
614
save_section(sections, order, label, section)
615
return summary, sections, order
617
def get_help_topic(self):
618
"""Return the commands help topic - its name."""
621
def get_see_also(self, additional_terms=None):
622
"""Return a list of help topics that are related to this command.
624
The list is derived from the content of the _see_also attribute. Any
625
duplicates are removed and the result is in lexical order.
626
:param additional_terms: Additional help topics to cross-reference.
627
:return: A list of help topics.
629
see_also = set(getattr(self, '_see_also', []))
631
see_also.update(additional_terms)
632
return sorted(see_also)
635
"""Return dict of valid options for this command.
637
Maps from long option name to option object."""
638
r = Option.STD_OPTIONS.copy()
640
for o in self.takes_options:
641
if isinstance(o, basestring):
642
o = option.Option.OPTIONS[o]
644
if o.name in std_names:
645
self.supported_std_options.append(o.name)
648
def _setup_outf(self):
649
"""Return a file linked to stdout, which has proper encoding."""
650
self.outf = ui.ui_factory.make_output_stream(
651
encoding_type=self.encoding_type)
653
def run_argv_aliases(self, argv, alias_argv=None):
654
"""Parse the command line and run with extra aliases in alias_argv."""
655
args, opts = parse_args(self, argv, alias_argv)
657
# Process the standard options
658
if 'help' in opts: # e.g. bzr add --help
659
sys.stdout.write(self.get_help_text())
661
if 'usage' in opts: # e.g. bzr add --usage
662
sys.stdout.write(self.get_help_text(verbose=False))
664
trace.set_verbosity_level(option._verbosity_level)
665
if 'verbose' in self.supported_std_options:
666
opts['verbose'] = trace.is_verbose()
667
elif opts.has_key('verbose'):
669
if 'quiet' in self.supported_std_options:
670
opts['quiet'] = trace.is_quiet()
671
elif opts.has_key('quiet'):
674
# mix arguments and options into one dictionary
675
cmdargs = _match_argform(self.name(), self.takes_args, args)
677
for k, v in opts.items():
678
cmdopts[k.replace('-', '_')] = v
680
all_cmd_args = cmdargs.copy()
681
all_cmd_args.update(cmdopts)
685
return self.run(**all_cmd_args)
687
def _setup_run(self):
688
"""Wrap the defined run method on self with a cleanup.
690
This is called by __init__ to make the Command be able to be run
691
by just calling run(), as it could be before cleanups were added.
693
If a different form of cleanups are in use by your Command subclass,
694
you can override this method.
697
def run(*args, **kwargs):
698
self._operation = cleanup.OperationWithCleanups(class_run)
700
return self._operation.run_simple(*args, **kwargs)
705
@deprecated_method(deprecated_in((2, 2, 0)))
706
def run_direct(self, *args, **kwargs):
707
"""Deprecated thunk from bzrlib 2.1."""
708
return self.run(*args, **kwargs)
711
"""Actually run the command.
713
This is invoked with the options and arguments bound to
716
Return 0 or None if the command was successful, or a non-zero
717
shell error code if not. It's OK for this method to allow
718
an exception to raise up.
720
This method is automatically wrapped by Command.__init__ with a
721
cleanup operation, stored as self._operation. This can be used
722
via self.add_cleanup to perform automatic cleanups at the end of
725
The argument for run are assembled by introspection. So for instance,
726
if your command takes an argument files, you would declare::
728
def run(self, files=None):
731
raise NotImplementedError('no implementation of command %r'
735
"""Return help message for this class."""
736
from inspect import getdoc
737
if self.__doc__ is Command.__doc__:
742
return _unsquish_command_name(self.__class__.__name__)
744
def plugin_name(self):
745
"""Get the name of the plugin that provides this command.
747
:return: The name of the plugin or None if the command is builtin.
749
mod_parts = self.__module__.split('.')
750
if len(mod_parts) >= 3 and mod_parts[1] == 'plugins':
756
class CommandHooks(Hooks):
757
"""Hooks related to Command object creation/enumeration."""
760
"""Create the default hooks.
762
These are all empty initially, because by default nothing should get
766
self.create_hook(HookPoint('extend_command',
767
"Called after creating a command object to allow modifications "
768
"such as adding or removing options, docs etc. Called with the "
769
"new bzrlib.commands.Command object.", (1, 13), None))
770
self.create_hook(HookPoint('get_command',
771
"Called when creating a single command. Called with "
772
"(cmd_or_None, command_name). get_command should either return "
773
"the cmd_or_None parameter, or a replacement Command object that "
774
"should be used for the command. Note that the Command.hooks "
775
"hooks are core infrastructure. Many users will prefer to use "
776
"bzrlib.commands.register_command or plugin_cmds.register_lazy.",
778
self.create_hook(HookPoint('get_missing_command',
779
"Called when creating a single command if no command could be "
780
"found. Called with (command_name). get_missing_command should "
781
"either return None, or a Command object to be used for the "
782
"command.", (1, 17), None))
783
self.create_hook(HookPoint('list_commands',
784
"Called when enumerating commands. Called with a set of "
785
"cmd_name strings for all the commands found so far. This set "
786
" is safe to mutate - e.g. to remove a command. "
787
"list_commands should return the updated set of command names.",
790
Command.hooks = CommandHooks()
793
def parse_args(command, argv, alias_argv=None):
448
print '%-8s %s%s' % (fc, fp, kindch)
455
"""List unknown files"""
456
for f in Branch('.').unknowns():
461
def cmd_ignored(verbose=True):
462
"""List ignored files and the patterns that matched them.
464
tree = Branch('.').working_tree()
465
for path, file_class, kind, id in tree.list_files():
466
if file_class != 'I':
468
## XXX: Slightly inefficient since this was already calculated
469
pat = tree.is_ignored(path)
470
print '%-50s %s' % (path, pat)
473
def cmd_lookup_revision(revno):
477
bailout("usage: lookup-revision REVNO",
478
["REVNO is a non-negative revision number for this branch"])
480
print Branch('.').lookup_revision(revno) or NONE_STRING
484
def cmd_export(revno, dest):
485
"""Export past revision to destination directory."""
487
rh = b.lookup_revision(int(revno))
488
t = b.revision_tree(rh)
493
######################################################################
494
# internal/test commands
498
"""Print a newly-generated UUID."""
499
print bzrlib.osutils.uuid()
503
def cmd_local_time_offset():
504
print bzrlib.osutils.local_time_offset()
508
def cmd_commit(message=None, verbose=False):
509
"""Commit changes to a new revision.
512
Description of changes in this revision; free form text.
513
It is recommended that the first line be a single-sentence
516
Show status of changed files,
518
TODO: Commit only selected files.
520
TODO: Run hooks on tree to-be-committed, and after commit.
522
TODO: Strict commit that fails if there are unknown or deleted files.
526
bailout("please specify a commit message")
527
Branch('.').commit(message, verbose=verbose)
530
def cmd_check(dir='.'):
531
"""check: Consistency check of branch history.
533
usage: bzr check [-v] [BRANCH]
536
--verbose, -v Show progress of checking.
538
This command checks various invariants about the branch storage to
539
detect data corruption or bzr bugs.
542
bzrlib.check.check(Branch(dir, find_root=False))
545
def cmd_is(pred, *rest):
546
"""Test whether PREDICATE is true."""
548
cmd_handler = globals()['assert_' + pred.replace('-', '_')]
550
bailout("unknown predicate: %s" % quotefn(pred))
554
except BzrCheckError:
555
# by default we don't print the message so that this can
556
# be used from shell scripts without producing noise
561
print bzrlib.osutils.username()
564
def cmd_user_email():
565
print bzrlib.osutils.user_email()
568
def cmd_gen_revision_id():
570
print bzrlib.branch._gen_revision_id(time.time())
573
def cmd_selftest(verbose=False):
574
"""Run internal test suite"""
575
## -v, if present, is seen by doctest; the argument is just here
576
## so our parser doesn't complain
578
## TODO: --verbose option
580
failures, tests = 0, 0
582
import doctest, bzrlib.store, bzrlib.tests
583
bzrlib.trace.verbose = False
585
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
586
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
587
mf, mt = doctest.testmod(m)
590
print '%-40s %3d tests' % (m.__name__, mt),
592
print '%3d FAILED!' % mf
596
print '%-40s %3d tests' % ('total', tests),
598
print '%3d FAILED!' % failures
605
cmd_doctest = cmd_selftest
608
######################################################################
612
def cmd_help(topic=None):
617
# otherwise, maybe the name of a command?
619
cmdfn = globals()['cmd_' + topic.replace('-', '_')]
621
bailout("no help for %r" % topic)
625
bailout("sorry, no detailed help yet for %r" % topic)
633
print "bzr (bazaar-ng) %s" % bzrlib.__version__
634
print bzrlib.__copyright__
635
print "http://bazaar-ng.org/"
638
"""bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and
639
you may use, modify and redistribute it under the terms of the GNU
640
General Public License version 2 or later."""
644
"""Statement of optimism."""
645
print "it sure does!"
649
######################################################################
653
# list of all available options; the rhs can be either None for an
654
# option that takes no argument, or a constructor function that checks
674
# List of options that apply to particular commands; commands not
678
'commit': ['message', 'verbose'],
679
'deleted': ['show-ids'],
680
'diff': ['revision'],
681
'inventory': ['revision'],
683
'ls': ['revision', 'verbose'],
684
'remove': ['verbose'],
693
'export': ['revno', 'dest'],
694
'file-id': ['filename'],
695
'get-file-text': ['text_id'],
696
'get-inventory': ['inventory_id'],
697
'get-revision': ['revision_id'],
698
'get-revision-inventory': ['revision_id'],
702
'lookup-revision': ['revno'],
703
'mv': ['source$', 'dest'],
704
'relpath': ['filename'],
706
'root': ['filename?'],
711
def parse_args(argv):
794
712
"""Parse command line.
796
714
Arguments and options are parsed at this level before being passed
797
715
down to specific command handlers. This routine knows, from a
798
716
lookup table, something about the available options, what optargs
799
717
they take, and which commands will accept them.
719
>>> parse_args('--help'.split())
721
>>> parse_args('--version'.split())
722
([], {'version': True})
723
>>> parse_args('status --all'.split())
724
(['status'], {'all': True})
725
>>> parse_args('commit --message=biter'.split())
726
(['commit'], {'message': u'biter'})
801
# TODO: make it a method of the Command?
802
parser = option.get_optparser(command.options())
803
if alias_argv is not None:
804
args = alias_argv + argv
808
options, args = parser.parse_args(args)
809
opts = dict([(k, v) for k, v in options.__dict__.iteritems() if
810
v is not option.OptionParser.DEFAULT_VALUE])
731
# TODO: Maybe handle '--' to end options?
738
mutter(" got option %r" % a)
740
optname, optarg = a[2:].split('=', 1)
743
if optname not in OPTIONS:
744
bailout('unknown long option %r' % a)
747
if shortopt not in SHORT_OPTIONS:
748
bailout('unknown short option %r' % a)
749
optname = SHORT_OPTIONS[shortopt]
752
# XXX: Do we ever want to support this, e.g. for -r?
753
bailout('repeated option %r' % a)
755
optargfn = OPTIONS[optname]
759
bailout('option %r needs an argument' % a)
762
opts[optname] = optargfn(optarg)
765
bailout('option %r takes no argument' % optname)
811
770
return args, opts
814
def _match_argform(cmd, takes_args, args):
774
def _match_args(cmd, args):
775
"""Check non-option arguments match required pattern.
777
>>> _match_args('status', ['asdasdsadasd'])
778
Traceback (most recent call last):
780
BzrError: ("extra arguments to command status: ['asdasdsadasd']", [])
781
>>> _match_args('add', ['asdasdsadasd'])
782
{'file_list': ['asdasdsadasd']}
783
>>> _match_args('add', 'abc def gj'.split())
784
{'file_list': ['abc', 'def', 'gj']}
786
# match argument pattern
787
argform = cmd_args.get(cmd, [])
789
# TODO: Need a way to express 'cp SRC... DEST', where it matches
817
# step through args and takes_args, allowing appropriate 0-many matches
818
for ap in takes_args:
792
# step through args and argform, allowing appropriate 0-many matches
819
794
argname = ap[:-1]
820
795
if ap[-1] == '?':
822
797
argdict[argname] = args.pop(0)
823
elif ap[-1] == '*': # all remaining arguments
825
argdict[argname + '_list'] = args[:]
828
argdict[argname + '_list'] = None
829
800
elif ap[-1] == '+':
831
raise errors.BzrCommandError("command %r needs one or more %s"
832
% (cmd, argname.upper()))
802
bailout("command %r needs one or more %s"
803
% (cmd, argname.upper()))
834
805
argdict[argname + '_list'] = args[:]
836
807
elif ap[-1] == '$': # all but one
837
808
if len(args) < 2:
838
raise errors.BzrCommandError("command %r needs one or more %s"
839
% (cmd, argname.upper()))
809
bailout("command %r needs one or more %s"
810
% (cmd, argname.upper()))
840
811
argdict[argname + '_list'] = args[:-1]
843
814
# just a plain arg
846
raise errors.BzrCommandError("command %r requires argument %s"
847
% (cmd, argname.upper()))
817
bailout("command %r requires argument %s"
818
% (cmd, argname.upper()))
849
820
argdict[argname] = args.pop(0)
852
raise errors.BzrCommandError("extra argument to command %s: %s"
823
bailout("extra arguments to command %s: %r"
857
def apply_coveraged(dirname, the_callable, *args, **kwargs):
858
# Cannot use "import trace", as that would import bzrlib.trace instead of
859
# the standard library's trace.
860
trace = __import__('trace')
862
tracer = trace.Trace(count=1, trace=0)
863
sys.settrace(tracer.globaltrace)
864
threading.settrace(tracer.globaltrace)
867
return exception_to_return_code(the_callable, *args, **kwargs)
870
results = tracer.results()
871
results.write_results(show_missing=1, summary=False,
875
def apply_profiled(the_callable, *args, **kwargs):
879
pffileno, pfname = tempfile.mkstemp()
881
prof = hotshot.Profile(pfname)
883
ret = prof.runcall(exception_to_return_code, the_callable, *args,
887
stats = hotshot.stats.load(pfname)
889
stats.sort_stats('cum') # 'time'
890
## XXX: Might like to write to stderr or the trace file instead but
891
## print_stats seems hardcoded to stdout
831
"""Execute a command.
833
This is similar to main(), but without all the trappings for
834
logging and error handling.
837
args, opts = parse_args(argv[1:])
839
# TODO: pass down other arguments in case they asked for
840
# help on a command name?
846
elif 'version' in opts:
851
log_error('usage: bzr COMMAND\n')
852
log_error(' try "bzr help"\n')
856
cmd_handler = globals()['cmd_' + cmd.replace('-', '_')]
858
bailout("unknown command " + `cmd`)
861
if 'profile' in opts:
867
# check options are reasonable
868
allowed = cmd_options.get(cmd, [])
870
if oname not in allowed:
871
bailout("option %r is not allowed for command %r"
874
# mix arguments and options into one dictionary
875
cmdargs = _match_args(cmd, args)
876
for k, v in opts.items():
877
cmdargs[k.replace('-', '_')] = v
881
prof = hotshot.Profile('.bzr.profile')
882
ret = prof.runcall(cmd_handler, **cmdargs) or 0
886
stats = hotshot.stats.load('.bzr.profile')
888
stats.sort_stats('time')
892
889
stats.print_stats(20)
891
return cmd_handler(**cmdargs) or 0
896
## TODO: Handle command-line options; probably know what options are valid for
899
## TODO: If the arguments are wrong, give a usage message rather
900
## than just a backtrace.
902
bzrlib.trace.create_tracefile(argv)
899
def exception_to_return_code(the_callable, *args, **kwargs):
900
"""UI level helper for profiling and coverage.
902
This transforms exceptions into a return value of 3. As such its only
903
relevant to the UI layer, and should never be called where catching
904
exceptions may be desirable.
907
return the_callable(*args, **kwargs)
908
except (KeyboardInterrupt, Exception), e:
909
# used to handle AssertionError and KeyboardInterrupt
910
# specially here, but hopefully they're handled ok by the logger now
911
exc_info = sys.exc_info()
912
exitcode = trace.report_exception(exc_info, sys.stderr)
913
if os.environ.get('BZR_PDB'):
914
print '**** entering debugger'
917
if sys.version_info[:2] < (2, 6):
919
# pdb.post_mortem(tb)
920
# but because pdb.post_mortem gives bad results for tracebacks
921
# from inside generators, we do it manually.
922
# (http://bugs.python.org/issue4150, fixed in Python 2.6)
924
# Setup pdb on the traceback
927
p.setup(tb.tb_frame, tb)
928
# Point the debugger at the deepest frame of the stack
929
p.curindex = len(p.stack) - 1
930
p.curframe = p.stack[p.curindex][0]
931
# Start the pdb prompt.
932
p.print_stack_entry(p.stack[p.curindex])
940
def apply_lsprofiled(filename, the_callable, *args, **kwargs):
941
from bzrlib.lsprof import profile
942
ret, stats = profile(exception_to_return_code, the_callable, *args, **kwargs)
948
trace.note('Profile data written to "%s".', filename)
952
@deprecated_function(deprecated_in((2, 2, 0)))
953
def shlex_split_unicode(unsplit):
954
return cmdline.split(unsplit)
957
def get_alias(cmd, config=None):
958
"""Return an expanded alias, or None if no alias exists.
961
Command to be checked for an alias.
963
Used to specify an alternative config to use,
964
which is especially useful for testing.
965
If it is unspecified, the global config will be used.
969
config = bzrlib.config.GlobalConfig()
970
alias = config.get_alias(cmd)
972
return cmdline.split(alias)
976
def run_bzr(argv, load_plugins=load_plugins, disable_plugins=disable_plugins):
977
"""Execute a command.
979
:param argv: The command-line arguments, without the program name from
980
argv[0] These should already be decoded. All library/test code calling
981
run_bzr should be passing valid strings (don't need decoding).
982
:param load_plugins: What function to call when triggering plugin loading.
983
This function should take no arguments and cause all plugins to be
985
:param disable_plugins: What function to call when disabling plugin
986
loading. This function should take no arguments and cause all plugin
987
loading to be prohibited (so that code paths in your application that
988
know about some plugins possibly being present will fail to import
989
those plugins even if they are installed.)
990
:return: Returns a command exit code or raises an exception.
992
Special master options: these must come before the command because
993
they control how the command is interpreted.
996
Do not load plugin modules at all
1002
Only use builtin commands. (Plugins are still allowed to change
1006
Run under the Python hotshot profiler.
1009
Run under the Python lsprof profiler.
1012
Generate line coverage report in the specified directory.
1015
Specify the number of processes that can be run concurrently (selftest).
1017
trace.mutter("bazaar version: " + bzrlib.__version__)
1019
trace.mutter("bzr arguments: %r", argv)
1021
opt_lsprof = opt_profile = opt_no_plugins = opt_builtin = \
1022
opt_no_aliases = False
1023
opt_lsprof_file = opt_coverage_dir = None
1025
# --no-plugins is handled specially at a very early stage. We need
1026
# to load plugins before doing other command parsing so that they
1027
# can override commands, but this needs to happen first.
1031
while i < len(argv):
1033
if a == '--profile':
1035
elif a == '--lsprof':
1037
elif a == '--lsprof-file':
1039
opt_lsprof_file = argv[i + 1]
1041
elif a == '--no-plugins':
1042
opt_no_plugins = True
1043
elif a == '--no-aliases':
1044
opt_no_aliases = True
1045
elif a == '--builtin':
1047
elif a == '--concurrency':
1048
os.environ['BZR_CONCURRENCY'] = argv[i + 1]
1050
elif a == '--coverage':
1051
opt_coverage_dir = argv[i + 1]
1053
elif a.startswith('-D'):
1054
debug.debug_flags.add(a[2:])
1059
debug.set_debug_flags_from_config()
1061
if not opt_no_plugins:
1068
get_cmd_object('help').run_argv_aliases([])
1071
if argv[0] == '--version':
1072
get_cmd_object('version').run_argv_aliases([])
1077
if not opt_no_aliases:
1078
alias_argv = get_alias(argv[0])
1080
user_encoding = osutils.get_user_encoding()
1081
alias_argv = [a.decode(user_encoding) for a in alias_argv]
1082
argv[0] = alias_argv.pop(0)
1085
# We want only 'ascii' command names, but the user may have typed
1086
# in a Unicode name. In that case, they should just get a
1087
# 'command not found' error later.
1089
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
1090
run = cmd_obj.run_argv_aliases
1091
run_argv = [argv, alias_argv]
1094
# We can be called recursively (tests for example), but we don't want
1095
# the verbosity level to propagate.
1096
saved_verbosity_level = option._verbosity_level
1097
option._verbosity_level = 0
1099
if opt_coverage_dir:
1101
'--coverage ignored, because --lsprof is in use.')
1102
ret = apply_lsprofiled(opt_lsprof_file, run, *run_argv)
1104
if opt_coverage_dir:
1106
'--coverage ignored, because --profile is in use.')
1107
ret = apply_profiled(run, *run_argv)
1108
elif opt_coverage_dir:
1109
ret = apply_coveraged(opt_coverage_dir, run, *run_argv)
1111
ret = run(*run_argv)
1114
# reset, in case we may do other commands later within the same
1115
# process. Commands that want to execute sub-commands must propagate
1116
# --verbose in their own way.
1117
if 'memory' in debug.debug_flags:
1118
trace.debug_memory('Process status after command:', short=False)
1119
option._verbosity_level = saved_verbosity_level
1122
def display_command(func):
1123
"""Decorator that suppresses pipe/interrupt errors."""
1124
def ignore_pipe(*args, **kwargs):
1126
result = func(*args, **kwargs)
1130
if getattr(e, 'errno', None) is None:
1132
if e.errno != errno.EPIPE:
1133
# Win32 raises IOError with errno=0 on a broken pipe
1134
if sys.platform != 'win32' or (e.errno not in (0, errno.EINVAL)):
1137
except KeyboardInterrupt:
1142
def install_bzr_command_hooks():
1143
"""Install the hooks to supply bzr's own commands."""
1144
if _list_bzr_commands in Command.hooks["list_commands"]:
1146
Command.hooks.install_named_hook("list_commands", _list_bzr_commands,
1148
Command.hooks.install_named_hook("get_command", _get_bzr_command,
1150
Command.hooks.install_named_hook("get_command", _get_plugin_command,
1151
"bzr plugin commands")
1152
Command.hooks.install_named_hook("get_command", _get_external_command,
1153
"bzr external command lookup")
1154
Command.hooks.install_named_hook("get_missing_command", _try_plugin_provider,
1155
"bzr plugin-provider-db check")
1159
def _specified_or_unicode_argv(argv):
1160
# For internal or testing use, argv can be passed. Otherwise, get it from
1161
# the process arguments in a unicode-safe way.
1163
return osutils.get_unicode_argv()
1167
# ensure all arguments are unicode strings
1169
if isinstance(a, unicode):
1172
new_argv.append(a.decode('ascii'))
1173
except UnicodeDecodeError:
1174
raise errors.BzrError("argv should be list of unicode strings.")
1178
def main(argv=None):
1179
"""Main entry point of command-line interface.
1181
Typically `bzrlib.initialize` should be called first.
1183
:param argv: list of unicode command-line arguments similar to sys.argv.
1184
argv[0] is script name usually, it will be ignored.
1185
Don't pass here sys.argv because this list contains plain strings
1186
and not unicode; pass None instead.
1188
:return: exit code of bzr command.
1190
argv = _specified_or_unicode_argv(argv)
1191
_register_builtin_commands()
1192
ret = run_bzr_catch_errors(argv)
1193
bzrlib.ui.ui_factory.log_transport_activity(
1194
display=('bytes' in debug.debug_flags))
1195
trace.mutter("return code %d", ret)
1199
def run_bzr_catch_errors(argv):
1200
"""Run a bzr command with parameters as described by argv.
1202
This function assumed that that UI layer is setup, that symbol deprecations
1203
are already applied, and that unicode decoding has already been performed on argv.
1205
# done here so that they're covered for every test run
1206
install_bzr_command_hooks()
1207
return exception_to_return_code(run_bzr, argv)
1210
def run_bzr_catch_user_errors(argv):
1211
"""Run bzr and report user errors, but let internal errors propagate.
1213
This is used for the test suite, and might be useful for other programs
1214
that want to wrap the commandline interface.
1216
# done here so that they're covered for every test run
1217
install_bzr_command_hooks()
1219
return run_bzr(argv)
908
log_error('bzr: error: ' + e.args[0] + '\n')
911
log_error(' ' + h + '\n')
1220
913
except Exception, e:
1221
if (isinstance(e, (OSError, IOError))
1222
or not getattr(e, 'internal_error', True)):
1223
trace.report_exception(sys.exc_info(), sys.stderr)
1229
class HelpCommandIndex(object):
1230
"""A index for bzr help that returns commands."""
1233
self.prefix = 'commands/'
1235
def get_topics(self, topic):
1236
"""Search for topic amongst commands.
1238
:param topic: A topic to search for.
1239
:return: A list which is either empty or contains a single
1242
if topic and topic.startswith(self.prefix):
1243
topic = topic[len(self.prefix):]
1245
cmd = _get_cmd_object(topic, check_missing=False)
1252
class Provider(object):
1253
'''Generic class to be overriden by plugins'''
1255
def plugin_for_command(self, cmd_name):
1256
'''Takes a command and returns the information for that plugin
1258
:return: A dictionary with all the available information
1259
for the requested plugin
1261
raise NotImplementedError
1264
class ProvidersRegistry(registry.Registry):
1265
'''This registry exists to allow other providers to exist'''
1268
for key, provider in self.iteritems():
1271
command_providers_registry = ProvidersRegistry()
914
log_error('bzr: exception: %s\n' % e)
915
log_error(' see .bzr.log for details\n')
916
traceback.print_exc(None, bzrlib.trace._tracefile)
917
traceback.print_exc(None, sys.stderr)
920
# TODO: Maybe nicer handling of IOError?
924
if __name__ == '__main__':
925
sys.exit(main(sys.argv))
927
##profile.run('main(sys.argv)')
added
removed
bzrlib/commands.py
