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- Committer: Martin Pool
- Date: 2005-05-05 07:11:49 UTC
- Revision ID: mbp@sourcefrog.net-20050505071149-ddba0ca1b6183e17
- Better bash completion from Peter Hoffmann
- files added:
- .bzrignore
- bzrlib
- contrib
- contrib/bash
- contrib/zsh
- doc
- elementtree
- notes
- urlgrabber
- files removed:
- .bzrignore
- notes
- tests
added
removed
bzrlib/commands.py
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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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import sys, os, time, os.path
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from sets import Set
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import bzrlib
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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, 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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format_date
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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 get_all_cmds():
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"""Return canonical name and class for all registered commands."""
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for k, v in globals().iteritems():
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if k.startswith("cmd_"):
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yield _unsquish_command_name(k), v
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def get_cmd_class(cmd):
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"""Return the canonical name and command class for a command.
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"""
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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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try:
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return cmd, globals()[_squish_command_name(cmd)]
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except KeyError:
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pass
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# look for any command which claims this as an alias
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for cmdname, cmdclass in get_all_cmds():
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if cmd in cmdclass.aliases:
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return cmdname, cmdclass
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else:
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raise BzrCommandError("unknown command %r" % cmd)
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class Command:
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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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takes_args
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List of argument forms, marked with whether they are optional,
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repeated, etc.
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takes_options
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List of options that may be given for this command.
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hidden
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If true, this command isn't advertised.
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"""
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aliases = []
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takes_args = []
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takes_options = []
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hidden = False
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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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def run(self):
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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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keyword parameters.
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Return 0 or None if the command was successful, or a shell
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error code if not.
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"""
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return 0
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class cmd_status(Command):
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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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"""
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takes_options = ['all']
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aliases = ['st', 'stat']
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def run(self, all=False):
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#import bzrlib.status
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#bzrlib.status.tree_status(Branch('.'))
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Branch('.').show_status(show_all=all)
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class cmd_cat_revision(Command):
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"""Write out metadata for a revision."""
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hidden = True
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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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def run(self):
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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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directories.
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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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"""
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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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bzrlib.add.smart_add(file_list, verbose)
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def 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):
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print Branch(self.args['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']
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def run(self, revision=None):
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b = Branch('.')
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if revision == None:
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inv = b.read_working_inventory()
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else:
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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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class cmd_move(Command):
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"""Move files to a different directory.
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examples:
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bzr move *.txt doc
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The destination must be a versioned directory in the same branch.
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"""
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takes_args = ['source$', 'dest']
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def run(self, source_list, dest):
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b = Branch('.')
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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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examples:
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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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one?"""
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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 = Branch('.')
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b.rename_one(b.relpath(from_name), b.relpath(to_name))
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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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"""
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takes_args = ['dir?']
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def run(self, dir='.'):
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b = Branch(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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renames.sort()
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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 for this branch"""
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def run(self):
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import info
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info.show_info(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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"""
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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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moved or renamed.
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"""
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hidden = True
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takes_args = ['filename']
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def run(self, filename):
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b = Branch(filename)
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i = b.inventory.path2id(b.relpath(filename))
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if i == None:
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bailout("%r is not a versioned file" % filename)
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else:
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print i
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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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hidden = True
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takes_args = ['filename']
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def run(self, filename):
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b = Branch(filename)
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inv = b.inventory
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fid = inv.path2id(b.relpath(filename))
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if fid == None:
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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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print fip
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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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def run(self):
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for patchid in Branch('.').revision_history():
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print patchid
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class cmd_directories(Command):
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"""Display list of versioned directories in this branch."""
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def run(self):
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for name, ie in Branch('.').read_working_inventory().directories():
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if name == '':
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print '.'
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else:
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print name
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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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existing project.
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Recipe for importing a tree of files:
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cd ~/project
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bzr init
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bzr add -v .
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bzr status
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bzr commit -m 'imported project'
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"""
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def run(self):
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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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or a graphical diff.
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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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deleted files.
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TODO: This probably handles non-Unix newlines poorly.
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"""
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takes_args = ['file*']
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takes_options = ['revision']
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aliases = ['di']
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def run(self, revision=None, file_list=None):
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from bzrlib.diff import show_diff
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show_diff(Branch('.'), revision, file_list)
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class cmd_deleted(Command):
383
"""List files deleted in the working tree.
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385
TODO: Show files deleted since a previous revision, or between two revisions.
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"""
387
def run(self, show_ids=False):
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b = Branch('.')
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old = b.basis_tree()
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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():
398
if not new.has_id(ie.file_id):
399
if show_ids:
400
print '%-50s %s' % (path, ie.file_id)
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else:
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print path
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class cmd_root(Command):
405
"""Show the tree root directory.
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The root is the nearest enclosing directory with a .bzr control
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directory."""
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takes_args = ['filename?']
410
def run(self, filename=None):
411
"""Print the branch root."""
412
print bzrlib.branch.find_branch_root(filename)
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class cmd_log(Command):
417
"""Show log of this branch.
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419
TODO: Option to limit range.
420
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TODO: Perhaps show most-recent first with an option for last.
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TODO: Option to limit to only a single file or to get log for a
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different directory.
425
"""
426
takes_options = ['timezone', 'verbose', 'show-ids']
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def run(self, timezone='original', verbose=False, show_ids=False):
428
b = Branch('.', lock_mode='r')
429
bzrlib.show_log(b,
430
show_timezone=timezone,
431
verbose=verbose,
432
show_ids=show_ids)
433
434
435
class cmd_ls(Command):
436
"""List files in a tree.
437
438
TODO: Take a revision or remote path and list that tree instead.
439
"""
440
hidden = True
441
def run(self, revision=None, verbose=False):
442
b = Branch('.')
443
if revision == None:
444
tree = b.working_tree()
445
else:
446
tree = b.revision_tree(b.lookup_revision(revision))
447
448
for fp, fc, kind, fid in tree.list_files():
449
if verbose:
450
if kind == 'directory':
451
kindch = '/'
452
elif kind == 'file':
453
kindch = ''
454
else:
455
kindch = '???'
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457
print '%-8s %s%s' % (fc, fp, kindch)
458
else:
459
print fp
460
461
462
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class cmd_unknowns(Command):
464
"""List unknown files"""
465
def run(self):
466
for f in Branch('.').unknowns():
467
print quotefn(f)
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470
471
class cmd_ignore(Command):
472
"""Ignore a command or pattern"""
473
takes_args = ['name_pattern']
474
475
def run(self, name_pattern):
476
b = Branch('.')
477
478
# XXX: This will fail if it's a hardlink; should use an AtomicFile class.
479
f = open(b.abspath('.bzrignore'), 'at')
480
f.write(name_pattern + '\n')
481
f.close()
482
483
inv = b.working_tree().inventory
484
if inv.path2id('.bzrignore'):
485
mutter('.bzrignore is already versioned')
486
else:
487
mutter('need to make new .bzrignore file versioned')
488
b.add(['.bzrignore'])
489
490
491
492
class cmd_ignored(Command):
493
"""List ignored files and the patterns that matched them."""
494
def run(self):
495
tree = Branch('.').working_tree()
496
for path, file_class, kind, file_id in tree.list_files():
497
if file_class != 'I':
498
continue
499
## XXX: Slightly inefficient since this was already calculated
500
pat = tree.is_ignored(path)
501
print '%-50s %s' % (path, pat)
502
503
504
class cmd_lookup_revision(Command):
505
"""Lookup the revision-id from a revision-number
506
507
example:
508
bzr lookup-revision 33
509
"""
510
hidden = True
511
takes_args = ['revno']
512
513
def run(self, revno):
514
try:
515
revno = int(revno)
516
except ValueError:
517
raise BzrCommandError("not a valid revision-number: %r" % revno)
518
519
print Branch('.').lookup_revision(revno)
520
521
522
class cmd_export(Command):
523
"""Export past revision to destination directory.
524
525
If no revision is specified this exports the last committed revision."""
526
takes_args = ['dest']
527
takes_options = ['revision']
528
def run(self, dest, revno=None):
529
b = Branch('.')
530
if revno == None:
531
rh = b.revision_history[-1]
532
else:
533
rh = b.lookup_revision(int(revno))
534
t = b.revision_tree(rh)
535
t.export(dest)
536
537
538
class cmd_cat(Command):
539
"""Write a file's text from a previous revision."""
540
541
takes_options = ['revision']
542
takes_args = ['filename']
543
544
def run(self, filename, revision=None):
545
if revision == None:
546
raise BzrCommandError("bzr cat requires a revision number")
547
b = Branch('.')
548
b.print_file(b.relpath(filename), int(revision))
549
550
551
class cmd_local_time_offset(Command):
552
"""Show the offset in seconds from GMT to local time."""
553
hidden = True
554
def run(self):
555
print bzrlib.osutils.local_time_offset()
556
557
558
559
class cmd_commit(Command):
560
"""Commit changes into a new revision.
561
562
TODO: Commit only selected files.
563
564
TODO: Run hooks on tree to-be-committed, and after commit.
565
566
TODO: Strict commit that fails if there are unknown or deleted files.
567
"""
568
takes_options = ['message', 'verbose']
569
aliases = ['ci', 'checkin']
570
571
def run(self, message=None, verbose=False):
572
if not message:
573
raise BzrCommandError("please specify a commit message")
574
Branch('.').commit(message, verbose=verbose)
575
576
577
class cmd_check(Command):
578
"""Validate consistency of branch history.
579
580
This command checks various invariants about the branch storage to
581
detect data corruption or bzr bugs.
582
"""
583
takes_args = ['dir?']
584
def run(self, dir='.'):
585
import bzrlib.check
586
bzrlib.check.check(Branch(dir, find_root=False))
587
588
589
590
class cmd_whoami(Command):
591
"""Show bzr user id."""
592
takes_options = ['email']
593
594
def run(self, email=False):
595
if email:
596
print bzrlib.osutils.user_email()
597
else:
598
print bzrlib.osutils.username()
599
600
601
class cmd_selftest(Command):
602
"""Run internal test suite"""
603
hidden = True
604
def run(self):
605
failures, tests = 0, 0
606
607
import doctest, bzrlib.store, bzrlib.tests
608
bzrlib.trace.verbose = False
609
610
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
611
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
612
mf, mt = doctest.testmod(m)
613
failures += mf
614
tests += mt
615
print '%-40s %3d tests' % (m.__name__, mt),
616
if mf:
617
print '%3d FAILED!' % mf
618
else:
619
print
620
621
print '%-40s %3d tests' % ('total', tests),
622
if failures:
623
print '%3d FAILED!' % failures
624
else:
625
print
626
627
628
629
class cmd_version(Command):
630
"""Show version of bzr"""
631
def run(self):
632
show_version()
633
634
def show_version():
635
print "bzr (bazaar-ng) %s" % bzrlib.__version__
636
print bzrlib.__copyright__
637
print "http://bazaar-ng.org/"
638
print
639
print "bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and"
640
print "you may use, modify and redistribute it under the terms of the GNU"
641
print "General Public License version 2 or later."
642
643
644
class cmd_rocks(Command):
645
"""Statement of optimism."""
646
hidden = True
647
def run(self):
648
print "it sure does!"
649
650
651
class cmd_assert_fail(Command):
652
"""Test reporting of assertion failures"""
653
hidden = True
654
def run(self):
655
assert False, "always fails"
656
657
658
class cmd_help(Command):
659
"""Show help on a command or other topic.
660
661
For a list of all available commands, say 'bzr help commands'."""
662
takes_args = ['topic?']
663
aliases = ['?']
664
665
def run(self, topic=None):
666
import help
667
help.help(topic)
668
669
670
######################################################################
671
# main routine
672
673
674
# list of all available options; the rhs can be either None for an
675
# option that takes no argument, or a constructor function that checks
676
# the type.
677
OPTIONS = {
678
'all': None,
679
'help': None,
680
'message': unicode,
681
'profile': None,
682
'revision': int,
683
'show-ids': None,
684
'timezone': str,
685
'verbose': None,
686
'version': None,
687
'email': None,
688
}
689
690
SHORT_OPTIONS = {
691
'm': 'message',
692
'r': 'revision',
693
'v': 'verbose',
694
}
695
696
697
def parse_args(argv):
698
"""Parse command line.
699
700
Arguments and options are parsed at this level before being passed
701
down to specific command handlers. This routine knows, from a
702
lookup table, something about the available options, what optargs
703
they take, and which commands will accept them.
704
705
>>> parse_args('--help'.split())
706
([], {'help': True})
707
>>> parse_args('--version'.split())
708
([], {'version': True})
709
>>> parse_args('status --all'.split())
710
(['status'], {'all': True})
711
>>> parse_args('commit --message=biter'.split())
712
(['commit'], {'message': u'biter'})
713
"""
714
args = []
715
opts = {}
716
717
# TODO: Maybe handle '--' to end options?
718
719
while argv:
720
a = argv.pop(0)
721
if a[0] == '-':
722
# option names must not be unicode
723
a = str(a)
724
optarg = None
725
if a[1] == '-':
726
mutter(" got option %r" % a)
727
if '=' in a:
728
optname, optarg = a[2:].split('=', 1)
729
else:
730
optname = a[2:]
731
if optname not in OPTIONS:
732
bailout('unknown long option %r' % a)
733
else:
734
shortopt = a[1:]
735
if shortopt not in SHORT_OPTIONS:
736
bailout('unknown short option %r' % a)
737
optname = SHORT_OPTIONS[shortopt]
738
739
if optname in opts:
740
# XXX: Do we ever want to support this, e.g. for -r?
741
bailout('repeated option %r' % a)
742
743
optargfn = OPTIONS[optname]
744
if optargfn:
745
if optarg == None:
746
if not argv:
747
bailout('option %r needs an argument' % a)
748
else:
749
optarg = argv.pop(0)
750
opts[optname] = optargfn(optarg)
751
else:
752
if optarg != None:
753
bailout('option %r takes no argument' % optname)
754
opts[optname] = True
755
else:
756
args.append(a)
757
758
return args, opts
759
760
761
762
763
def _match_argform(cmd, takes_args, args):
764
argdict = {}
765
766
# step through args and takes_args, allowing appropriate 0-many matches
767
for ap in takes_args:
768
argname = ap[:-1]
769
if ap[-1] == '?':
770
if args:
771
argdict[argname] = args.pop(0)
772
elif ap[-1] == '*': # all remaining arguments
773
if args:
774
argdict[argname + '_list'] = args[:]
775
args = []
776
else:
777
argdict[argname + '_list'] = None
778
elif ap[-1] == '+':
779
if not args:
780
raise BzrCommandError("command %r needs one or more %s"
781
% (cmd, argname.upper()))
782
else:
783
argdict[argname + '_list'] = args[:]
784
args = []
785
elif ap[-1] == '$': # all but one
786
if len(args) < 2:
787
raise BzrCommandError("command %r needs one or more %s"
788
% (cmd, argname.upper()))
789
argdict[argname + '_list'] = args[:-1]
790
args[:-1] = []
791
else:
792
# just a plain arg
793
argname = ap
794
if not args:
795
raise BzrCommandError("command %r requires argument %s"
796
% (cmd, argname.upper()))
797
else:
798
argdict[argname] = args.pop(0)
799
800
if args:
801
raise BzrCommandError("extra argument to command %s: %s"
802
% (cmd, args[0]))
803
804
return argdict
805
806
807
808
def run_bzr(argv):
809
"""Execute a command.
810
811
This is similar to main(), but without all the trappings for
812
logging and error handling.
813
"""
814
argv = [a.decode(bzrlib.user_encoding) for a in argv]
815
816
try:
817
args, opts = parse_args(argv[1:])
818
if 'help' in opts:
819
import help
820
if args:
821
help.help(args[0])
822
else:
823
help.help()
824
return 0
825
elif 'version' in opts:
826
show_version()
827
return 0
828
cmd = str(args.pop(0))
829
except IndexError:
830
log_error('usage: bzr COMMAND')
831
log_error(' try "bzr help"')
832
return 1
833
834
canonical_cmd, cmd_class = get_cmd_class(cmd)
835
836
# global option
837
if 'profile' in opts:
838
profile = True
839
del opts['profile']
840
else:
841
profile = False
842
843
# check options are reasonable
844
allowed = cmd_class.takes_options
845
for oname in opts:
846
if oname not in allowed:
847
raise BzrCommandError("option %r is not allowed for command %r"
848
% (oname, cmd))
849
850
# mix arguments and options into one dictionary
851
cmdargs = _match_argform(cmd, cmd_class.takes_args, args)
852
cmdopts = {}
853
for k, v in opts.items():
854
cmdopts[k.replace('-', '_')] = v
855
856
if profile:
857
import hotshot, tempfile
858
pffileno, pfname = tempfile.mkstemp()
859
try:
860
prof = hotshot.Profile(pfname)
861
ret = prof.runcall(cmd_class, cmdopts, cmdargs) or 0
862
prof.close()
863
864
import hotshot.stats
865
stats = hotshot.stats.load(pfname)
866
#stats.strip_dirs()
867
stats.sort_stats('time')
868
## XXX: Might like to write to stderr or the trace file instead but
869
## print_stats seems hardcoded to stdout
870
stats.print_stats(20)
871
872
return ret.status
873
874
finally:
875
os.close(pffileno)
876
os.remove(pfname)
877
else:
878
cmdobj = cmd_class(cmdopts, cmdargs).status
879
880
881
def _report_exception(summary, quiet=False):
882
import traceback
883
log_error('bzr: ' + summary)
884
bzrlib.trace.log_exception()
885
886
if not quiet:
887
tb = sys.exc_info()[2]
888
exinfo = traceback.extract_tb(tb)
889
if exinfo:
890
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
891
sys.stderr.write(' see ~/.bzr.log for debug information\n')
892
893
894
895
def main(argv):
896
import errno
897
898
bzrlib.open_tracefile(argv)
899
900
try:
901
try:
902
try:
903
return run_bzr(argv)
904
finally:
905
# do this here inside the exception wrappers to catch EPIPE
906
sys.stdout.flush()
907
except BzrError, e:
908
quiet = isinstance(e, (BzrCommandError))
909
_report_exception('error: ' + e.args[0], quiet=quiet)
910
if len(e.args) > 1:
911
for h in e.args[1]:
912
# some explanation or hints
913
log_error(' ' + h)
914
return 1
915
except AssertionError, e:
916
msg = 'assertion failed'
917
if str(e):
918
msg += ': ' + str(e)
919
_report_exception(msg)
920
return 2
921
except KeyboardInterrupt, e:
922
_report_exception('interrupted', quiet=True)
923
return 2
924
except Exception, e:
925
quiet = False
926
if isinstance(e, IOError) and e.errno == errno.EPIPE:
927
quiet = True
928
msg = 'broken pipe'
929
else:
930
msg = str(e).rstrip('\n')
931
_report_exception(msg, quiet)
932
return 2
933
finally:
934
bzrlib.trace.close_trace()
935
936
937
if __name__ == '__main__':
938
sys.exit(main(sys.argv))
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0