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- Committer: Martin Pool
- Date: 2005-05-05 06:59:12 UTC
- Revision ID: mbp@sourcefrog.net-20050505065912-87c25dafda4579ed
- Split out log printing into new show_log function
not as a method of Branch.
not as a method of Branch.
- files added:
- .bzrignore
- bzrlib
- contrib
- contrib/bash
- contrib/zsh
- doc
- elementtree
- notes
- urlgrabber
- files removed:
- .bzrignore
- foreign
- 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.
386
"""
387
def run(self, show_ids=False):
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b = Branch('.')
389
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)
401
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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407
The root is the nearest enclosing directory with a .bzr control
408
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.
418
419
TODO: Option to limit range.
420
421
TODO: Perhaps show most-recent first with an option for last.
422
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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
b.show_log(show_timezone=timezone,
430
verbose=verbose,
431
show_ids=show_ids)
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433
434
class cmd_ls(Command):
435
"""List files in a tree.
436
437
TODO: Take a revision or remote path and list that tree instead.
438
"""
439
hidden = True
440
def run(self, revision=None, verbose=False):
441
b = Branch('.')
442
if revision == None:
443
tree = b.working_tree()
444
else:
445
tree = b.revision_tree(b.lookup_revision(revision))
446
447
for fp, fc, kind, fid in tree.list_files():
448
if verbose:
449
if kind == 'directory':
450
kindch = '/'
451
elif kind == 'file':
452
kindch = ''
453
else:
454
kindch = '???'
455
456
print '%-8s %s%s' % (fc, fp, kindch)
457
else:
458
print fp
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460
461
462
class cmd_unknowns(Command):
463
"""List unknown files"""
464
def run(self):
465
for f in Branch('.').unknowns():
466
print quotefn(f)
467
468
469
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class cmd_ignore(Command):
471
"""Ignore a command or pattern"""
472
takes_args = ['name_pattern']
473
474
def run(self, name_pattern):
475
b = Branch('.')
476
477
# XXX: This will fail if it's a hardlink; should use an AtomicFile class.
478
f = open(b.abspath('.bzrignore'), 'at')
479
f.write(name_pattern + '\n')
480
f.close()
481
482
inv = b.working_tree().inventory
483
if inv.path2id('.bzrignore'):
484
mutter('.bzrignore is already versioned')
485
else:
486
mutter('need to make new .bzrignore file versioned')
487
b.add(['.bzrignore'])
488
489
490
491
class cmd_ignored(Command):
492
"""List ignored files and the patterns that matched them."""
493
def run(self):
494
tree = Branch('.').working_tree()
495
for path, file_class, kind, file_id in tree.list_files():
496
if file_class != 'I':
497
continue
498
## XXX: Slightly inefficient since this was already calculated
499
pat = tree.is_ignored(path)
500
print '%-50s %s' % (path, pat)
501
502
503
class cmd_lookup_revision(Command):
504
"""Lookup the revision-id from a revision-number
505
506
example:
507
bzr lookup-revision 33
508
"""
509
hidden = True
510
takes_args = ['revno']
511
512
def run(self, revno):
513
try:
514
revno = int(revno)
515
except ValueError:
516
raise BzrCommandError("not a valid revision-number: %r" % revno)
517
518
print Branch('.').lookup_revision(revno)
519
520
521
class cmd_export(Command):
522
"""Export past revision to destination directory.
523
524
If no revision is specified this exports the last committed revision."""
525
takes_args = ['dest']
526
takes_options = ['revision']
527
def run(self, dest, revno=None):
528
b = Branch('.')
529
if revno == None:
530
rh = b.revision_history[-1]
531
else:
532
rh = b.lookup_revision(int(revno))
533
t = b.revision_tree(rh)
534
t.export(dest)
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536
537
class cmd_cat(Command):
538
"""Write a file's text from a previous revision."""
539
540
takes_options = ['revision']
541
takes_args = ['filename']
542
543
def run(self, filename, revision=None):
544
if revision == None:
545
raise BzrCommandError("bzr cat requires a revision number")
546
b = Branch('.')
547
b.print_file(b.relpath(filename), int(revision))
548
549
550
class cmd_local_time_offset(Command):
551
"""Show the offset in seconds from GMT to local time."""
552
hidden = True
553
def run(self):
554
print bzrlib.osutils.local_time_offset()
555
556
557
558
class cmd_commit(Command):
559
"""Commit changes into a new revision.
560
561
TODO: Commit only selected files.
562
563
TODO: Run hooks on tree to-be-committed, and after commit.
564
565
TODO: Strict commit that fails if there are unknown or deleted files.
566
"""
567
takes_options = ['message', 'verbose']
568
aliases = ['ci', 'checkin']
569
570
def run(self, message=None, verbose=False):
571
if not message:
572
raise BzrCommandError("please specify a commit message")
573
Branch('.').commit(message, verbose=verbose)
574
575
576
class cmd_check(Command):
577
"""Validate consistency of branch history.
578
579
This command checks various invariants about the branch storage to
580
detect data corruption or bzr bugs.
581
"""
582
takes_args = ['dir?']
583
def run(self, dir='.'):
584
import bzrlib.check
585
bzrlib.check.check(Branch(dir, find_root=False))
586
587
588
589
class cmd_whoami(Command):
590
"""Show bzr user id."""
591
takes_options = ['email']
592
593
def run(self, email=False):
594
if email:
595
print bzrlib.osutils.user_email()
596
else:
597
print bzrlib.osutils.username()
598
599
600
class cmd_selftest(Command):
601
"""Run internal test suite"""
602
hidden = True
603
def run(self):
604
failures, tests = 0, 0
605
606
import doctest, bzrlib.store, bzrlib.tests
607
bzrlib.trace.verbose = False
608
609
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
610
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
611
mf, mt = doctest.testmod(m)
612
failures += mf
613
tests += mt
614
print '%-40s %3d tests' % (m.__name__, mt),
615
if mf:
616
print '%3d FAILED!' % mf
617
else:
618
print
619
620
print '%-40s %3d tests' % ('total', tests),
621
if failures:
622
print '%3d FAILED!' % failures
623
else:
624
print
625
626
627
628
class cmd_version(Command):
629
"""Show version of bzr"""
630
def run(self):
631
show_version()
632
633
def show_version():
634
print "bzr (bazaar-ng) %s" % bzrlib.__version__
635
print bzrlib.__copyright__
636
print "http://bazaar-ng.org/"
637
print
638
print "bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and"
639
print "you may use, modify and redistribute it under the terms of the GNU"
640
print "General Public License version 2 or later."
641
642
643
class cmd_rocks(Command):
644
"""Statement of optimism."""
645
hidden = True
646
def run(self):
647
print "it sure does!"
648
649
650
class cmd_assert_fail(Command):
651
"""Test reporting of assertion failures"""
652
hidden = True
653
def run(self):
654
assert False, "always fails"
655
656
657
class cmd_help(Command):
658
"""Show help on a command or other topic.
659
660
For a list of all available commands, say 'bzr help commands'."""
661
takes_args = ['topic?']
662
aliases = ['?']
663
664
def run(self, topic=None):
665
import help
666
help.help(topic)
667
668
669
######################################################################
670
# main routine
671
672
673
# list of all available options; the rhs can be either None for an
674
# option that takes no argument, or a constructor function that checks
675
# the type.
676
OPTIONS = {
677
'all': None,
678
'help': None,
679
'message': unicode,
680
'profile': None,
681
'revision': int,
682
'show-ids': None,
683
'timezone': str,
684
'verbose': None,
685
'version': None,
686
'email': None,
687
}
688
689
SHORT_OPTIONS = {
690
'm': 'message',
691
'r': 'revision',
692
'v': 'verbose',
693
}
694
695
696
def parse_args(argv):
697
"""Parse command line.
698
699
Arguments and options are parsed at this level before being passed
700
down to specific command handlers. This routine knows, from a
701
lookup table, something about the available options, what optargs
702
they take, and which commands will accept them.
703
704
>>> parse_args('--help'.split())
705
([], {'help': True})
706
>>> parse_args('--version'.split())
707
([], {'version': True})
708
>>> parse_args('status --all'.split())
709
(['status'], {'all': True})
710
>>> parse_args('commit --message=biter'.split())
711
(['commit'], {'message': u'biter'})
712
"""
713
args = []
714
opts = {}
715
716
# TODO: Maybe handle '--' to end options?
717
718
while argv:
719
a = argv.pop(0)
720
if a[0] == '-':
721
# option names must not be unicode
722
a = str(a)
723
optarg = None
724
if a[1] == '-':
725
mutter(" got option %r" % a)
726
if '=' in a:
727
optname, optarg = a[2:].split('=', 1)
728
else:
729
optname = a[2:]
730
if optname not in OPTIONS:
731
bailout('unknown long option %r' % a)
732
else:
733
shortopt = a[1:]
734
if shortopt not in SHORT_OPTIONS:
735
bailout('unknown short option %r' % a)
736
optname = SHORT_OPTIONS[shortopt]
737
738
if optname in opts:
739
# XXX: Do we ever want to support this, e.g. for -r?
740
bailout('repeated option %r' % a)
741
742
optargfn = OPTIONS[optname]
743
if optargfn:
744
if optarg == None:
745
if not argv:
746
bailout('option %r needs an argument' % a)
747
else:
748
optarg = argv.pop(0)
749
opts[optname] = optargfn(optarg)
750
else:
751
if optarg != None:
752
bailout('option %r takes no argument' % optname)
753
opts[optname] = True
754
else:
755
args.append(a)
756
757
return args, opts
758
759
760
761
762
def _match_argform(cmd, takes_args, args):
763
argdict = {}
764
765
# step through args and takes_args, allowing appropriate 0-many matches
766
for ap in takes_args:
767
argname = ap[:-1]
768
if ap[-1] == '?':
769
if args:
770
argdict[argname] = args.pop(0)
771
elif ap[-1] == '*': # all remaining arguments
772
if args:
773
argdict[argname + '_list'] = args[:]
774
args = []
775
else:
776
argdict[argname + '_list'] = None
777
elif ap[-1] == '+':
778
if not args:
779
raise BzrCommandError("command %r needs one or more %s"
780
% (cmd, argname.upper()))
781
else:
782
argdict[argname + '_list'] = args[:]
783
args = []
784
elif ap[-1] == '$': # all but one
785
if len(args) < 2:
786
raise BzrCommandError("command %r needs one or more %s"
787
% (cmd, argname.upper()))
788
argdict[argname + '_list'] = args[:-1]
789
args[:-1] = []
790
else:
791
# just a plain arg
792
argname = ap
793
if not args:
794
raise BzrCommandError("command %r requires argument %s"
795
% (cmd, argname.upper()))
796
else:
797
argdict[argname] = args.pop(0)
798
799
if args:
800
raise BzrCommandError("extra argument to command %s: %s"
801
% (cmd, args[0]))
802
803
return argdict
804
805
806
807
def run_bzr(argv):
808
"""Execute a command.
809
810
This is similar to main(), but without all the trappings for
811
logging and error handling.
812
"""
813
argv = [a.decode(bzrlib.user_encoding) for a in argv]
814
815
try:
816
args, opts = parse_args(argv[1:])
817
if 'help' in opts:
818
import help
819
if args:
820
help.help(args[0])
821
else:
822
help.help()
823
return 0
824
elif 'version' in opts:
825
show_version()
826
return 0
827
cmd = str(args.pop(0))
828
except IndexError:
829
log_error('usage: bzr COMMAND')
830
log_error(' try "bzr help"')
831
return 1
832
833
canonical_cmd, cmd_class = get_cmd_class(cmd)
834
835
# global option
836
if 'profile' in opts:
837
profile = True
838
del opts['profile']
839
else:
840
profile = False
841
842
# check options are reasonable
843
allowed = cmd_class.takes_options
844
for oname in opts:
845
if oname not in allowed:
846
raise BzrCommandError("option %r is not allowed for command %r"
847
% (oname, cmd))
848
849
# mix arguments and options into one dictionary
850
cmdargs = _match_argform(cmd, cmd_class.takes_args, args)
851
cmdopts = {}
852
for k, v in opts.items():
853
cmdopts[k.replace('-', '_')] = v
854
855
if profile:
856
import hotshot, tempfile
857
pffileno, pfname = tempfile.mkstemp()
858
try:
859
prof = hotshot.Profile(pfname)
860
ret = prof.runcall(cmd_class, cmdopts, cmdargs) or 0
861
prof.close()
862
863
import hotshot.stats
864
stats = hotshot.stats.load(pfname)
865
#stats.strip_dirs()
866
stats.sort_stats('time')
867
## XXX: Might like to write to stderr or the trace file instead but
868
## print_stats seems hardcoded to stdout
869
stats.print_stats(20)
870
871
return ret.status
872
873
finally:
874
os.close(pffileno)
875
os.remove(pfname)
876
else:
877
cmdobj = cmd_class(cmdopts, cmdargs).status
878
879
880
def _report_exception(summary, quiet=False):
881
import traceback
882
log_error('bzr: ' + summary)
883
bzrlib.trace.log_exception()
884
885
if not quiet:
886
tb = sys.exc_info()[2]
887
exinfo = traceback.extract_tb(tb)
888
if exinfo:
889
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
890
sys.stderr.write(' see ~/.bzr.log for debug information\n')
891
892
893
894
def main(argv):
895
import errno
896
897
bzrlib.open_tracefile(argv)
898
899
try:
900
try:
901
try:
902
return run_bzr(argv)
903
finally:
904
# do this here inside the exception wrappers to catch EPIPE
905
sys.stdout.flush()
906
except BzrError, e:
907
quiet = isinstance(e, (BzrCommandError))
908
_report_exception('error: ' + e.args[0], quiet=quiet)
909
if len(e.args) > 1:
910
for h in e.args[1]:
911
# some explanation or hints
912
log_error(' ' + h)
913
return 1
914
except AssertionError, e:
915
msg = 'assertion failed'
916
if str(e):
917
msg += ': ' + str(e)
918
_report_exception(msg)
919
return 2
920
except KeyboardInterrupt, e:
921
_report_exception('interrupted', quiet=True)
922
return 2
923
except Exception, e:
924
quiet = False
925
if isinstance(e, IOError) and e.errno == errno.EPIPE:
926
quiet = True
927
msg = 'broken pipe'
928
else:
929
msg = str(e).rstrip('\n')
930
_report_exception(msg, quiet)
931
return 2
932
finally:
933
bzrlib.trace.close_trace()
934
935
936
if __name__ == '__main__':
937
sys.exit(main(sys.argv))
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0