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- Committer: Martin Pool
- Date: 2005-09-09 09:44:03 UTC
- Revision ID: mbp@sourcefrog.net-20050909094403-ddad5896b0b12c68
- weave commit records per-file ancestors
- commits of merges are currently forbidden
- files that existed in the previous revision are recorded with that
parent
'weave annotate' on woven files now gives the correct result!
- commits of merges are currently forbidden
- files that existed in the previous revision are recorded with that
parent
'weave annotate' on woven files now gives the correct result!
- files added:
- HACKING
- bzrlib/plugins
- bzrlib/selftest
- bzrlib/util
- bzrlib/util/effbot
- bzrlib/util/effbot/org
- contrib
- contrib/bash
- contrib/emacs
- contrib/zsh
- patches
- tools
- files removed:
- bzrlib/tests.py
- files renamed:
- elementtree/ => bzrlib/util/elementtree/
- urlgrabber/ => bzrlib/util/urlgrabber/
- bzrlib/newinventory.py => contrib/newinventory.py
- files modified:
- .bzrignore
added
removed
bzrlib/commands.py
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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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# 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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# 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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"""Bazaar-NG -- a free distributed version-control tool
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http://bazaar-ng.org/
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**WARNING: THIS IS AN UNSTABLE DEVELOPMENT VERSION**
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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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* 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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bzr help [COMMAND]
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Show help screen
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bzr version
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Show software version/licence/non-warranty.
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bzr init
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Start versioning the current directory
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bzr add FILE...
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Make files versioned.
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bzr log
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Show revision history.
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bzr rename FROM TO
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Rename one file.
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bzr move FROM... DESTDIR
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Move one or more files to a different directory.
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bzr diff [FILE...]
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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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bzr status
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Show summary of pending changes.
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bzr remove FILE...
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Make a file not versioned.
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bzr info
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Show statistics about this branch.
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bzr check
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Verify history is stored safely.
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(for more type 'bzr help commands')
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"""
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import sys, os, time, types, shutil, tempfile, fnmatch, difflib, os.path
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from sets import Set
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from pprint import pprint
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from stat import *
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from glob import glob
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# TODO: probably should say which arguments are candidates for glob
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# expansion on windows and do that at the command level.
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# TODO: Help messages for options.
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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.
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import sys
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import os
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from warnings import warn
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from inspect import getdoc
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import bzrlib
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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, BzrCheckError
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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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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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EMPTY = 'empty'
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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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## directory.
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cmd_aliases = {
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'?': 'help',
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'ci': 'commit',
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'checkin': 'commit',
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'di': 'diff',
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'st': 'status',
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'stat': 'status',
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}
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def get_cmd_handler(cmd):
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cmd = str(cmd)
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cmd = cmd_aliases.get(cmd, cmd)
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try:
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cmd_handler = globals()['cmd_' + cmd.replace('-', '_')]
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except KeyError:
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raise BzrError("unknown command %r" % cmd)
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return cmd, cmd_handler
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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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"""
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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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######################################################################
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# examining history
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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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# commands
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def cmd_revno():
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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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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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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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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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# TODO: Maybe a 'mv' command that has the combined move/rename
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# special behaviour of Unix?
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def cmd_move(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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def cmd_rename(from_name, to_name):
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"""Change the name of an entry.
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usage: bzr rename FROM_NAME TO_NAME
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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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b = Branch('.')
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b.rename_one(b.relpath(from_name), b.relpath(to_name))
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def cmd_renames(dir='.'):
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"""Show list of renamed files.
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usage: bzr renames [BRANCH]
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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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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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def cmd_info():
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"""info: Show statistical information for this branch
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usage: bzr info"""
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import info
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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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"""Print file_id of a particular file or directory.
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usage: bzr file-id FILE
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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.
294
"""
295
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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def cmd_file_id_path(filename):
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"""Print path of file_ids to a file or directory.
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usage: bzr file-id-path FILE
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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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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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def cmd_revision_history():
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for patchid in Branch('.').revision_history():
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print patchid
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def cmd_directories():
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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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def cmd_missing():
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for name, ie in Branch('.').working_tree().missing():
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print name
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def cmd_init():
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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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# both?
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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, file_list=None):
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"""bzr diff: Show differences in working tree.
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usage: bzr diff [-r REV] [FILE...]
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--revision REV
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Show changes since REV, rather than predecessor.
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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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## TODO: Shouldn't be in the cmd function.
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b = Branch('.')
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if revision == None:
384
old_tree = b.basis_tree()
385
else:
386
old_tree = b.revision_tree(b.lookup_revision(revision))
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new_tree = b.working_tree()
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# TODO: Options to control putting on a prefix or suffix, perhaps as a format string
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old_label = ''
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new_label = ''
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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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if file_list:
405
file_list = [b.relpath(f) for f in file_list]
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# FIXME: If given a file list, compare only those files rather
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# than comparing everything and then throwing stuff away.
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for file_state, fid, old_name, new_name, kind in bzrlib.diff_trees(old_tree, new_tree):
411
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if file_list and (new_name not in file_list):
413
continue
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# Don't show this by default; maybe do it if an option is passed
416
# idlabel = ' {%s}' % fid
417
idlabel = ''
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# FIXME: Something about the diff format makes patch unhappy
420
# with newly-added files.
421
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def diffit(oldlines, newlines, **kw):
423
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# FIXME: difflib is wrong if there is no trailing newline.
425
# The syntax used by patch seems to be "\ No newline at
426
# end of file" following the last diff line from that
427
# file. This is not trivial to insert into the
428
# unified_diff output and it might be better to just fix
429
# or replace that function.
430
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# In the meantime we at least make sure the patch isn't
432
# mangled.
433
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# Special workaround for Python2.3, where difflib fails if
436
# both sequences are empty.
437
if not oldlines and not newlines:
438
return
439
440
nonl = False
441
442
if oldlines and (oldlines[-1][-1] != '\n'):
443
oldlines[-1] += '\n'
444
nonl = True
445
if newlines and (newlines[-1][-1] != '\n'):
446
newlines[-1] += '\n'
447
nonl = True
448
449
ud = difflib.unified_diff(oldlines, newlines, **kw)
450
sys.stdout.writelines(ud)
451
if nonl:
452
print "\\ No newline at end of file"
453
sys.stdout.write('\n')
454
455
if file_state in ['.', '?', 'I']:
456
continue
457
elif file_state == 'A':
458
print '*** added %s %r' % (kind, new_name)
459
if kind == 'file':
460
diffit([],
461
new_tree.get_file(fid).readlines(),
462
fromfile=DEVNULL,
463
tofile=new_label + new_name + idlabel)
464
elif file_state == 'D':
465
assert isinstance(old_name, types.StringTypes)
466
print '*** deleted %s %r' % (kind, old_name)
467
if kind == 'file':
468
diffit(old_tree.get_file(fid).readlines(), [],
469
fromfile=old_label + old_name + idlabel,
470
tofile=DEVNULL)
471
elif file_state in ['M', 'R']:
472
if file_state == 'M':
473
assert kind == 'file'
474
assert old_name == new_name
475
print '*** modified %s %r' % (kind, new_name)
476
elif file_state == 'R':
477
print '*** renamed %s %r => %r' % (kind, old_name, new_name)
478
479
if kind == 'file':
480
diffit(old_tree.get_file(fid).readlines(),
481
new_tree.get_file(fid).readlines(),
482
fromfile=old_label + old_name + idlabel,
483
tofile=new_label + new_name)
484
else:
485
bailout("can't represent state %s {%s}" % (file_state, fid))
486
487
488
489
def cmd_deleted(show_ids=False):
490
"""List files deleted in the working tree.
491
492
TODO: Show files deleted since a previous revision, or between two revisions.
493
"""
494
b = Branch('.')
495
old = b.basis_tree()
496
new = b.working_tree()
497
498
## TODO: Much more efficient way to do this: read in new
499
## directories with readdir, rather than stating each one. Same
500
## level of effort but possibly much less IO. (Or possibly not,
501
## if the directories are very large...)
502
503
for path, ie in old.inventory.iter_entries():
504
if not new.has_id(ie.file_id):
505
if show_ids:
506
print '%-50s %s' % (path, ie.file_id)
507
else:
508
print path
509
510
511
512
def cmd_parse_inventory():
513
import cElementTree
514
515
cElementTree.ElementTree().parse(file('.bzr/inventory'))
516
517
518
519
def cmd_load_inventory():
520
"""Load inventory for timing purposes"""
521
Branch('.').basis_tree().inventory
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523
524
def cmd_dump_inventory():
525
Branch('.').read_working_inventory().write_xml(sys.stdout)
526
527
528
def cmd_dump_new_inventory():
529
import bzrlib.newinventory
530
inv = Branch('.').basis_tree().inventory
531
bzrlib.newinventory.write_inventory(inv, sys.stdout)
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533
534
def cmd_load_new_inventory():
535
import bzrlib.newinventory
536
bzrlib.newinventory.read_new_inventory(sys.stdin)
537
538
539
def cmd_dump_slacker_inventory():
540
import bzrlib.newinventory
541
inv = Branch('.').basis_tree().inventory
542
bzrlib.newinventory.write_slacker_inventory(inv, sys.stdout)
543
544
545
546
def cmd_dump_text_inventory():
547
import bzrlib.textinv
548
inv = Branch('.').basis_tree().inventory
549
bzrlib.textinv.write_text_inventory(inv, sys.stdout)
550
551
552
def cmd_load_text_inventory():
553
import bzrlib.textinv
554
inv = bzrlib.textinv.read_text_inventory(sys.stdin)
555
print 'loaded %d entries' % len(inv)
556
557
558
559
def cmd_root(filename=None):
560
"""Print the branch root."""
561
print bzrlib.branch.find_branch_root(filename)
562
563
564
def cmd_log(timezone='original', verbose=False):
565
"""Show log of this branch.
566
567
TODO: Options for utc; to show ids; to limit range; etc.
568
"""
569
Branch('.').write_log(show_timezone=timezone, verbose=verbose)
570
571
572
def cmd_ls(revision=None, verbose=False):
573
"""List files in a tree.
574
575
TODO: Take a revision or remote path and list that tree instead.
576
"""
577
b = Branch('.')
578
if revision == None:
579
tree = b.working_tree()
580
else:
581
tree = b.revision_tree(b.lookup_revision(revision))
582
583
for fp, fc, kind, fid in tree.list_files():
584
if verbose:
585
if kind == 'directory':
586
kindch = '/'
587
elif kind == 'file':
588
kindch = ''
589
else:
590
kindch = '???'
591
592
print '%-8s %s%s' % (fc, fp, kindch)
593
else:
594
print fp
595
596
597
598
def cmd_unknowns():
599
"""List unknown files"""
600
for f in Branch('.').unknowns():
601
print quotefn(f)
602
603
604
605
def cmd_ignored():
606
"""List ignored files and the patterns that matched them.
607
"""
608
tree = Branch('.').working_tree()
609
for path, file_class, kind, file_id in tree.list_files():
610
if file_class != 'I':
611
continue
612
## XXX: Slightly inefficient since this was already calculated
613
pat = tree.is_ignored(path)
614
print '%-50s %s' % (path, pat)
615
616
617
def cmd_lookup_revision(revno):
618
try:
619
revno = int(revno)
620
except ValueError:
621
bailout("usage: lookup-revision REVNO",
622
["REVNO is a non-negative revision number for this branch"])
623
624
print Branch('.').lookup_revision(revno) or NONE_STRING
625
626
627
628
def cmd_export(revno, dest):
629
"""Export past revision to destination directory."""
630
b = Branch('.')
631
rh = b.lookup_revision(int(revno))
632
t = b.revision_tree(rh)
633
t.export(dest)
634
635
def cmd_cat(revision, filename):
636
"""Print file to stdout."""
637
b = Branch('.')
638
b.print_file(b.relpath(filename), int(revision))
639
640
641
######################################################################
642
# internal/test commands
643
644
645
def cmd_uuid():
646
"""Print a newly-generated UUID."""
647
print bzrlib.osutils.uuid()
648
649
650
651
def cmd_local_time_offset():
652
print bzrlib.osutils.local_time_offset()
653
654
655
656
def cmd_commit(message=None, verbose=False):
657
"""Commit changes to a new revision.
658
659
--message MESSAGE
660
Description of changes in this revision; free form text.
661
It is recommended that the first line be a single-sentence
662
summary.
663
--verbose
664
Show status of changed files,
665
666
TODO: Commit only selected files.
667
668
TODO: Run hooks on tree to-be-committed, and after commit.
669
670
TODO: Strict commit that fails if there are unknown or deleted files.
671
"""
672
673
if not message:
674
bailout("please specify a commit message")
675
Branch('.').commit(message, verbose=verbose)
676
677
678
def cmd_check(dir='.'):
679
"""check: Consistency check of branch history.
680
681
usage: bzr check [-v] [BRANCH]
682
683
options:
684
--verbose, -v Show progress of checking.
685
686
This command checks various invariants about the branch storage to
687
detect data corruption or bzr bugs.
688
"""
689
import bzrlib.check
690
bzrlib.check.check(Branch(dir, find_root=False))
691
692
693
def cmd_is(pred, *rest):
694
"""Test whether PREDICATE is true."""
695
try:
696
cmd_handler = globals()['assert_' + pred.replace('-', '_')]
697
except KeyError:
698
bailout("unknown predicate: %s" % quotefn(pred))
699
700
try:
701
cmd_handler(*rest)
702
except BzrCheckError:
703
# by default we don't print the message so that this can
704
# be used from shell scripts without producing noise
705
sys.exit(1)
706
707
708
def cmd_whoami(email=False):
709
"""Show bzr user id.
710
711
usage: bzr whoami
712
713
options:
714
--email Show only the email address.
715
716
"""
717
if email:
718
print bzrlib.osutils.user_email()
719
else:
720
print bzrlib.osutils.username()
721
722
723
def cmd_gen_revision_id():
724
print bzrlib.branch._gen_revision_id(time.time())
725
726
727
def cmd_selftest():
728
"""Run internal test suite"""
729
## -v, if present, is seen by doctest; the argument is just here
730
## so our parser doesn't complain
731
732
## TODO: --verbose option
733
734
failures, tests = 0, 0
735
736
import doctest, bzrlib.store, bzrlib.tests
737
bzrlib.trace.verbose = False
738
739
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
740
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
741
mf, mt = doctest.testmod(m)
742
failures += mf
743
tests += mt
744
print '%-40s %3d tests' % (m.__name__, mt),
745
if mf:
746
print '%3d FAILED!' % mf
747
else:
748
print
749
750
print '%-40s %3d tests' % ('total', tests),
751
if failures:
752
print '%3d FAILED!' % failures
753
else:
754
print
755
756
757
758
# deprecated
759
cmd_doctest = cmd_selftest
760
761
762
######################################################################
763
# help
764
765
766
def cmd_help(topic=None):
767
if topic == None:
768
print __doc__
769
elif topic == 'commands':
770
help_commands()
771
else:
772
# otherwise, maybe the name of a command?
773
topic, cmdfn = get_cmd_handler(topic)
774
775
doc = getdoc(cmdfn)
776
if doc == None:
777
bailout("sorry, no detailed help yet for %r" % topic)
778
779
print doc
780
781
782
def help_commands():
783
"""List all commands"""
784
accu = []
785
for k in globals().keys():
786
if k.startswith('cmd_'):
787
accu.append(k[4:].replace('_','-'))
788
accu.sort()
789
print "bzr commands: "
790
for x in accu:
791
print " " + x
792
print "note: some of these commands are internal-use or obsolete"
793
# TODO: Some kind of marker for internal-use commands?
794
# TODO: Show aliases?
795
796
797
798
799
def cmd_version():
800
print "bzr (bazaar-ng) %s" % bzrlib.__version__
801
print bzrlib.__copyright__
802
print "http://bazaar-ng.org/"
803
print
804
print \
805
"""bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and
806
you may use, modify and redistribute it under the terms of the GNU
807
General Public License version 2 or later."""
808
809
810
def cmd_rocks():
811
"""Statement of optimism."""
812
print "it sure does!"
813
814
815
816
######################################################################
817
# main routine
35
import bzrlib.trace
36
from bzrlib.trace import mutter, note, log_error, warning
37
from bzrlib.errors import BzrError, BzrCheckError, BzrCommandError
38
from bzrlib.branch import find_branch
39
from bzrlib import BZRDIR
40
41
plugin_cmds = {}
42
43
44
def register_command(cmd):
45
"Utility function to help register a command"
46
global plugin_cmds
47
k = cmd.__name__
48
if k.startswith("cmd_"):
49
k_unsquished = _unsquish_command_name(k)
50
else:
51
k_unsquished = k
52
if not plugin_cmds.has_key(k_unsquished):
53
plugin_cmds[k_unsquished] = cmd
54
mutter('registered plugin command %s', k_unsquished)
55
else:
56
log_error('Two plugins defined the same command: %r' % k)
57
log_error('Not loading the one in %r' % sys.modules[cmd.__module__])
58
59
60
def _squish_command_name(cmd):
61
return 'cmd_' + cmd.replace('-', '_')
62
63
64
def _unsquish_command_name(cmd):
65
assert cmd.startswith("cmd_")
66
return cmd[4:].replace('_','-')
67
68
69
def _parse_revision_str(revstr):
70
"""This handles a revision string -> revno.
71
72
This always returns a list. The list will have one element for
73
74
It supports integers directly, but everything else it
75
defers for passing to Branch.get_revision_info()
76
77
>>> _parse_revision_str('234')
78
[234]
79
>>> _parse_revision_str('234..567')
80
[234, 567]
81
>>> _parse_revision_str('..')
82
[None, None]
83
>>> _parse_revision_str('..234')
84
[None, 234]
85
>>> _parse_revision_str('234..')
86
[234, None]
87
>>> _parse_revision_str('234..456..789') # Maybe this should be an error
88
[234, 456, 789]
89
>>> _parse_revision_str('234....789') # Error?
90
[234, None, 789]
91
>>> _parse_revision_str('revid:test@other.com-234234')
92
['revid:test@other.com-234234']
93
>>> _parse_revision_str('revid:test@other.com-234234..revid:test@other.com-234235')
94
['revid:test@other.com-234234', 'revid:test@other.com-234235']
95
>>> _parse_revision_str('revid:test@other.com-234234..23')
96
['revid:test@other.com-234234', 23]
97
>>> _parse_revision_str('date:2005-04-12')
98
['date:2005-04-12']
99
>>> _parse_revision_str('date:2005-04-12 12:24:33')
100
['date:2005-04-12 12:24:33']
101
>>> _parse_revision_str('date:2005-04-12T12:24:33')
102
['date:2005-04-12T12:24:33']
103
>>> _parse_revision_str('date:2005-04-12,12:24:33')
104
['date:2005-04-12,12:24:33']
105
>>> _parse_revision_str('-5..23')
106
[-5, 23]
107
>>> _parse_revision_str('-5')
108
[-5]
109
>>> _parse_revision_str('123a')
110
['123a']
111
>>> _parse_revision_str('abc')
112
['abc']
113
"""
114
import re
115
old_format_re = re.compile('\d*:\d*')
116
m = old_format_re.match(revstr)
117
if m:
118
warning('Colon separator for revision numbers is deprecated.'
119
' Use .. instead')
120
revs = []
121
for rev in revstr.split(':'):
122
if rev:
123
revs.append(int(rev))
124
else:
125
revs.append(None)
126
return revs
127
revs = []
128
for x in revstr.split('..'):
129
if not x:
130
revs.append(None)
131
else:
132
try:
133
revs.append(int(x))
134
except ValueError:
135
revs.append(x)
136
return revs
137
138
139
def get_merge_type(typestring):
140
"""Attempt to find the merge class/factory associated with a string."""
141
from merge import merge_types
142
try:
143
return merge_types[typestring][0]
144
except KeyError:
145
templ = '%s%%7s: %%s' % (' '*12)
146
lines = [templ % (f[0], f[1][1]) for f in merge_types.iteritems()]
147
type_list = '\n'.join(lines)
148
msg = "No known merge type %s. Supported types are:\n%s" %\
149
(typestring, type_list)
150
raise BzrCommandError(msg)
151
152
153
def get_merge_type(typestring):
154
"""Attempt to find the merge class/factory associated with a string."""
155
from merge import merge_types
156
try:
157
return merge_types[typestring][0]
158
except KeyError:
159
templ = '%s%%7s: %%s' % (' '*12)
160
lines = [templ % (f[0], f[1][1]) for f in merge_types.iteritems()]
161
type_list = '\n'.join(lines)
162
msg = "No known merge type %s. Supported types are:\n%s" %\
163
(typestring, type_list)
164
raise BzrCommandError(msg)
165
166
167
def _builtin_commands():
168
import bzrlib.builtins
169
r = {}
170
builtins = bzrlib.builtins.__dict__
171
for name in builtins:
172
if name.startswith("cmd_"):
173
real_name = _unsquish_command_name(name)
174
r[real_name] = builtins[name]
175
return r
176
177
178
179
def builtin_command_names():
180
"""Return list of builtin command names."""
181
return _builtin_commands().keys()
182
183
184
def plugin_command_names():
185
return plugin_cmds.keys()
186
187
188
def _get_cmd_dict(plugins_override=True):
189
"""Return name->class mapping for all commands."""
190
d = _builtin_commands()
191
if plugins_override:
192
d.update(plugin_cmds)
193
return d
194
195
196
def get_all_cmds(plugins_override=True):
197
"""Return canonical name and class for all registered commands."""
198
for k, v in _get_cmd_dict(plugins_override=plugins_override).iteritems():
199
yield k,v
200
201
202
def get_cmd_object(cmd_name, plugins_override=True):
203
"""Return the canonical name and command class for a command.
204
205
plugins_override
206
If true, plugin commands can override builtins.
207
"""
208
from bzrlib.externalcommand import ExternalCommand
209
210
cmd_name = str(cmd_name) # not unicode
211
212
# first look up this command under the specified name
213
cmds = _get_cmd_dict(plugins_override=plugins_override)
214
try:
215
return cmds[cmd_name]()
216
except KeyError:
217
pass
218
219
# look for any command which claims this as an alias
220
for real_cmd_name, cmd_class in cmds.iteritems():
221
if cmd_name in cmd_class.aliases:
222
return cmd_class()
223
224
cmd_obj = ExternalCommand.find_command(cmd_name)
225
if cmd_obj:
226
return cmd_obj
227
228
raise BzrCommandError("unknown command %r" % cmd_name)
229
230
231
class Command(object):
232
"""Base class for commands.
233
234
Commands are the heart of the command-line bzr interface.
235
236
The command object mostly handles the mapping of command-line
237
parameters into one or more bzrlib operations, and of the results
238
into textual output.
239
240
Commands normally don't have any state. All their arguments are
241
passed in to the run method. (Subclasses may take a different
242
policy if the behaviour of the instance needs to depend on e.g. a
243
shell plugin and not just its Python class.)
244
245
The docstring for an actual command should give a single-line
246
summary, then a complete description of the command. A grammar
247
description will be inserted.
248
249
aliases
250
Other accepted names for this command.
251
252
takes_args
253
List of argument forms, marked with whether they are optional,
254
repeated, etc.
255
256
takes_options
257
List of options that may be given for this command.
258
259
hidden
260
If true, this command isn't advertised. This is typically
261
for commands intended for expert users.
262
"""
263
aliases = []
264
265
takes_args = []
266
takes_options = []
267
268
hidden = False
269
270
def __init__(self):
271
"""Construct an instance of this command."""
272
if self.__doc__ == Command.__doc__:
273
warn("No help message set for %r" % self)
274
275
276
def run_argv(self, argv):
277
"""Parse command line and run."""
278
args, opts = parse_args(argv)
279
280
if 'help' in opts: # e.g. bzr add --help
281
from bzrlib.help import help_on_command
282
help_on_command(self.name())
283
return 0
284
285
# check options are reasonable
286
allowed = self.takes_options
287
for oname in opts:
288
if oname not in allowed:
289
raise BzrCommandError("option '--%s' is not allowed for command %r"
290
% (oname, self.name()))
291
292
# mix arguments and options into one dictionary
293
cmdargs = _match_argform(self.name(), self.takes_args, args)
294
cmdopts = {}
295
for k, v in opts.items():
296
cmdopts[k.replace('-', '_')] = v
297
298
all_cmd_args = cmdargs.copy()
299
all_cmd_args.update(cmdopts)
300
301
return self.run(**all_cmd_args)
302
303
304
def run(self):
305
"""Actually run the command.
306
307
This is invoked with the options and arguments bound to
308
keyword parameters.
309
310
Return 0 or None if the command was successful, or a non-zero
311
shell error code if not. It's OK for this method to allow
312
an exception to raise up.
313
"""
314
raise NotImplementedError()
315
316
317
def help(self):
318
"""Return help message for this class."""
319
if self.__doc__ is Command.__doc__:
320
return None
321
return getdoc(self)
322
323
def name(self):
324
return _unsquish_command_name(self.__class__.__name__)
325
326
327
def parse_spec(spec):
328
"""
329
>>> parse_spec(None)
330
[None, None]
331
>>> parse_spec("./")
332
['./', None]
333
>>> parse_spec("../@")
334
['..', -1]
335
>>> parse_spec("../f/@35")
336
['../f', 35]
337
>>> parse_spec('./@revid:john@arbash-meinel.com-20050711044610-3ca0327c6a222f67')
338
['.', 'revid:john@arbash-meinel.com-20050711044610-3ca0327c6a222f67']
339
"""
340
if spec is None:
341
return [None, None]
342
if '/@' in spec:
343
parsed = spec.split('/@')
344
assert len(parsed) == 2
345
if parsed[1] == "":
346
parsed[1] = -1
347
else:
348
try:
349
parsed[1] = int(parsed[1])
350
except ValueError:
351
pass # We can allow stuff like ./@revid:blahblahblah
352
else:
353
assert parsed[1] >=0
354
else:
355
parsed = [spec, None]
356
return parsed
357
358
818
359
819
360
820
361
# list of all available options; the rhs can be either None for an
822
363
# the type.
823
364
OPTIONS = {
824
365
'all': None,
366
'diff-options': str,
825
367
'help': None,
368
'file': unicode,
369
'force': None,
370
'format': unicode,
371
'forward': None,
826
372
'message': unicode,
373
'no-recurse': None,
827
374
'profile': None,
828
'revision': int,
375
'revision': _parse_revision_str,
376
'short': None,
829
377
'show-ids': None,
830
378
'timezone': str,
831
379
'verbose': None,
832
380
'version': None,
833
381
'email': None,
382
'unchanged': None,
383
'update': None,
384
'long': None,
385
'root': str,
386
'no-backup': None,
387
'merge-type': get_merge_type,
388
'pattern': str,
834
389
}
835
390
836
391
SHORT_OPTIONS = {
392
'F': 'file',
393
'h': 'help',
837
394
'm': 'message',
838
395
'r': 'revision',
839
396
'v': 'verbose',
397
'l': 'long',
840
398
}
841
399
842
# List of options that apply to particular commands; commands not
843
# listed take none.
844
cmd_options = {
845
'add': ['verbose'],
846
'cat': ['revision'],
847
'commit': ['message', 'verbose'],
848
'deleted': ['show-ids'],
849
'diff': ['revision'],
850
'inventory': ['revision'],
851
'log': ['timezone', 'verbose'],
852
'ls': ['revision', 'verbose'],
853
'remove': ['verbose'],
854
'status': ['all'],
855
'whoami': ['email'],
856
}
857
858
859
cmd_args = {
860
'add': ['file+'],
861
'cat': ['filename'],
862
'commit': [],
863
'diff': ['file*'],
864
'export': ['revno', 'dest'],
865
'file-id': ['filename'],
866
'file-id-path': ['filename'],
867
'get-file-text': ['text_id'],
868
'get-inventory': ['inventory_id'],
869
'get-revision': ['revision_id'],
870
'get-revision-inventory': ['revision_id'],
871
'help': ['topic?'],
872
'init': [],
873
'log': [],
874
'lookup-revision': ['revno'],
875
'move': ['source$', 'dest'],
876
'relpath': ['filename'],
877
'remove': ['file+'],
878
'rename': ['from_name', 'to_name'],
879
'renames': ['dir?'],
880
'root': ['filename?'],
881
'status': [],
882
}
883
884
400
885
401
def parse_args(argv):
886
402
"""Parse command line.
892
408
893
409
>>> parse_args('--help'.split())
894
410
([], {'help': True})
411
>>> parse_args('help -- --invalidcmd'.split())
412
(['help', '--invalidcmd'], {})
895
413
>>> parse_args('--version'.split())
896
414
([], {'version': True})
897
415
>>> parse_args('status --all'.split())
898
416
(['status'], {'all': True})
899
417
>>> parse_args('commit --message=biter'.split())
900
418
(['commit'], {'message': u'biter'})
419
>>> parse_args('log -r 500'.split())
420
(['log'], {'revision': [500]})
421
>>> parse_args('log -r500..600'.split())
422
(['log'], {'revision': [500, 600]})
423
>>> parse_args('log -vr500..600'.split())
424
(['log'], {'verbose': True, 'revision': [500, 600]})
425
>>> parse_args('log -rv500..600'.split()) #the r takes an argument
426
(['log'], {'revision': ['v500', 600]})
901
427
"""
902
428
args = []
903
429
opts = {}
904
430
905
# TODO: Maybe handle '--' to end options?
906
431
argsover = False
907
432
while argv:
908
433
a = argv.pop(0)
909
if a[0] == '-':
434
if not argsover and a[0] == '-':
910
435
# option names must not be unicode
911
436
a = str(a)
912
437
optarg = None
913
438
if a[1] == '-':
439
if a == '--':
440
# We've received a standalone -- No more flags
441
argsover = True
442
continue
914
443
mutter(" got option %r" % a)
915
444
if '=' in a:
916
445
optname, optarg = a[2:].split('=', 1)
917
446
else:
918
447
optname = a[2:]
919
448
if optname not in OPTIONS:
920
bailout('unknown long option %r' % a)
449
raise BzrError('unknown long option %r' % a)
921
450
else:
922
451
shortopt = a[1:]
923
if shortopt not in SHORT_OPTIONS:
924
bailout('unknown short option %r' % a)
925
optname = SHORT_OPTIONS[shortopt]
452
if shortopt in SHORT_OPTIONS:
453
# Multi-character options must have a space to delimit
454
# their value
455
optname = SHORT_OPTIONS[shortopt]
456
else:
457
# Single character short options, can be chained,
458
# and have their value appended to their name
459
shortopt = a[1:2]
460
if shortopt not in SHORT_OPTIONS:
461
# We didn't find the multi-character name, and we
462
# didn't find the single char name
463
raise BzrError('unknown short option %r' % a)
464
optname = SHORT_OPTIONS[shortopt]
465
466
if a[2:]:
467
# There are extra things on this option
468
# see if it is the value, or if it is another
469
# short option
470
optargfn = OPTIONS[optname]
471
if optargfn is None:
472
# This option does not take an argument, so the
473
# next entry is another short option, pack it back
474
# into the list
475
argv.insert(0, '-' + a[2:])
476
else:
477
# This option takes an argument, so pack it
478
# into the array
479
optarg = a[2:]
926
480
927
481
if optname in opts:
928
482
# XXX: Do we ever want to support this, e.g. for -r?
929
bailout('repeated option %r' % a)
483
raise BzrError('repeated option %r' % a)
930
484
931
485
optargfn = OPTIONS[optname]
932
486
if optargfn:
933
487
if optarg == None:
934
488
if not argv:
935
bailout('option %r needs an argument' % a)
489
raise BzrError('option %r needs an argument' % a)
936
490
else:
937
491
optarg = argv.pop(0)
938
492
opts[optname] = optargfn(optarg)
939
493
else:
940
494
if optarg != None:
941
bailout('option %r takes no argument' % optname)
495
raise BzrError('option %r takes no argument' % optname)
942
496
opts[optname] = True
943
497
else:
944
498
args.append(a)
947
501
948
502
949
503
950
def _match_args(cmd, args):
951
"""Check non-option arguments match required pattern.
952
504
953
>>> _match_args('status', ['asdasdsadasd'])
954
Traceback (most recent call last):
955
...
956
BzrError: ("extra arguments to command status: ['asdasdsadasd']", [])
957
>>> _match_args('add', ['asdasdsadasd'])
958
{'file_list': ['asdasdsadasd']}
959
>>> _match_args('add', 'abc def gj'.split())
960
{'file_list': ['abc', 'def', 'gj']}
961
"""
962
# match argument pattern
963
argform = cmd_args.get(cmd, [])
505
def _match_argform(cmd, takes_args, args):
964
506
argdict = {}
965
# TODO: Need a way to express 'cp SRC... DEST', where it matches
966
# all but one.
967
507
968
# step through args and argform, allowing appropriate 0-many matches
969
for ap in argform:
508
# step through args and takes_args, allowing appropriate 0-many matches
509
for ap in takes_args:
970
510
argname = ap[:-1]
971
511
if ap[-1] == '?':
972
512
if args:
979
519
argdict[argname + '_list'] = None
980
520
elif ap[-1] == '+':
981
521
if not args:
982
bailout("command %r needs one or more %s"
522
raise BzrCommandError("command %r needs one or more %s"
983
523
% (cmd, argname.upper()))
984
524
else:
985
525
argdict[argname + '_list'] = args[:]
986
526
args = []
987
527
elif ap[-1] == '$': # all but one
988
528
if len(args) < 2:
989
bailout("command %r needs one or more %s"
529
raise BzrCommandError("command %r needs one or more %s"
990
530
% (cmd, argname.upper()))
991
531
argdict[argname + '_list'] = args[:-1]
992
532
args[:-1] = []
994
534
# just a plain arg
995
535
argname = ap
996
536
if not args:
997
bailout("command %r requires argument %s"
537
raise BzrCommandError("command %r requires argument %s"
998
538
% (cmd, argname.upper()))
999
539
else:
1000
540
argdict[argname] = args.pop(0)
1001
541
1002
542
if args:
1003
bailout("extra arguments to command %s: %r"
1004
% (cmd, args))
543
raise BzrCommandError("extra argument to command %s: %s"
544
% (cmd, args[0]))
1005
545
1006
546
return argdict
1007
547
1008
548
1009
549
550
def apply_profiled(the_callable, *args, **kwargs):
551
import hotshot
552
import tempfile
553
pffileno, pfname = tempfile.mkstemp()
554
try:
555
prof = hotshot.Profile(pfname)
556
try:
557
ret = prof.runcall(the_callable, *args, **kwargs) or 0
558
finally:
559
prof.close()
560
561
import hotshot.stats
562
stats = hotshot.stats.load(pfname)
563
#stats.strip_dirs()
564
stats.sort_stats('time')
565
## XXX: Might like to write to stderr or the trace file instead but
566
## print_stats seems hardcoded to stdout
567
stats.print_stats(20)
568
569
return ret
570
finally:
571
os.close(pffileno)
572
os.remove(pfname)
573
574
1010
575
def run_bzr(argv):
1011
576
"""Execute a command.
1012
577
1013
578
This is similar to main(), but without all the trappings for
1014
579
logging and error handling.
580
581
argv
582
The command-line arguments, without the program name from argv[0]
583
584
Returns a command status or raises an exception.
585
586
Special master options: these must come before the command because
587
they control how the command is interpreted.
588
589
--no-plugins
590
Do not load plugin modules at all
591
592
--builtin
593
Only use builtin commands. (Plugins are still allowed to change
594
other behaviour.)
595
596
--profile
597
Run under the Python profiler.
1015
598
"""
1016
599
1017
600
argv = [a.decode(bzrlib.user_encoding) for a in argv]
1018
1019
try:
1020
args, opts = parse_args(argv[1:])
1021
if 'help' in opts:
1022
# TODO: pass down other arguments in case they asked for
1023
# help on a command name?
1024
if args:
1025
cmd_help(args[0])
1026
else:
1027
cmd_help()
1028
return 0
1029
elif 'version' in opts:
1030
cmd_version()
1031
return 0
1032
cmd = str(args.pop(0))
1033
except IndexError:
1034
log_error('usage: bzr COMMAND')
1035
log_error(' try "bzr help"')
1036
return 1
1037
1038
canonical_cmd, cmd_handler = get_cmd_handler(cmd)
1039
1040
# global option
1041
if 'profile' in opts:
1042
profile = True
1043
del opts['profile']
1044
else:
1045
profile = False
1046
1047
# check options are reasonable
1048
allowed = cmd_options.get(canonical_cmd, [])
1049
for oname in opts:
1050
if oname not in allowed:
1051
bailout("option %r is not allowed for command %r"
1052
% (oname, cmd))
1053
1054
# TODO: give an error if there are any mandatory options which are
1055
# not specified? Or maybe there shouldn't be any "mandatory
1056
# options" (it is an oxymoron)
1057
1058
# mix arguments and options into one dictionary
1059
cmdargs = _match_args(canonical_cmd, args)
1060
for k, v in opts.items():
1061
cmdargs[k.replace('-', '_')] = v
1062
1063
if profile:
1064
import hotshot
1065
pffileno, pfname = tempfile.mkstemp()
1066
try:
1067
prof = hotshot.Profile(pfname)
1068
ret = prof.runcall(cmd_handler, **cmdargs) or 0
1069
prof.close()
1070
1071
import hotshot.stats
1072
stats = hotshot.stats.load(pfname)
1073
#stats.strip_dirs()
1074
stats.sort_stats('time')
1075
## XXX: Might like to write to stderr or the trace file instead but
1076
## print_stats seems hardcoded to stdout
1077
stats.print_stats(20)
1078
1079
return ret
1080
1081
finally:
1082
os.close(pffileno)
1083
os.remove(pfname)
1084
else:
1085
return cmd_handler(**cmdargs) or 0
1086
1087
1088
1089
def _report_exception(e, summary):
1090
import traceback
1091
log_error('bzr: ' + summary)
1092
bzrlib.trace.log_exception(e)
1093
tb = sys.exc_info()[2]
1094
exinfo = traceback.extract_tb(tb)
1095
if exinfo:
1096
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
1097
sys.stderr.write(' see ~/.bzr.log for debug information\n')
1098
1099
1100
def cmd_assert_fail():
1101
assert False, "always fails"
601
602
opt_profile = opt_no_plugins = opt_builtin = False
603
604
# --no-plugins is handled specially at a very early stage. We need
605
# to load plugins before doing other command parsing so that they
606
# can override commands, but this needs to happen first.
607
608
for a in argv:
609
if a == '--profile':
610
opt_profile = True
611
elif a == '--no-plugins':
612
opt_no_plugins = True
613
elif a == '--builtin':
614
opt_builtin = True
615
else:
616
break
617
argv.remove(a)
618
619
if (not argv) or (argv[0] == '--help'):
620
from bzrlib.help import help
621
if len(argv) > 1:
622
help(argv[1])
623
else:
624
help()
625
return 0
626
627
if argv[0] == '--version':
628
from bzrlib.builtins import show_version
629
show_version()
630
return 0
631
632
if not opt_no_plugins:
633
from bzrlib.plugin import load_plugins
634
load_plugins()
635
636
cmd = str(argv.pop(0))
637
638
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
639
640
if opt_profile:
641
ret = apply_profiled(cmd_obj.run_argv, argv)
642
else:
643
ret = cmd_obj.run_argv(argv)
644
return ret or 0
1102
645
1103
646
1104
647
def main(argv):
1105
bzrlib.trace.create_tracefile(argv)
648
import bzrlib.ui
649
bzrlib.trace.log_startup(argv)
650
bzrlib.ui.ui_factory = bzrlib.ui.TextUIFactory()
1106
651
1107
652
try:
1108
653
try:
1109
ret = run_bzr(argv)
1110
return ret
1111
except BzrError, e:
1112
_report_exception(e, 'error: ' + e.args[0])
1113
if len(e.args) > 1:
1114
for h in e.args[1]:
1115
# some explanation or hints
1116
log_error(' ' + h)
1117
return 1
1118
except AssertionError, e:
1119
msg = 'assertion failed'
1120
if str(e):
1121
msg += ': ' + str(e)
1122
_report_exception(e, msg)
1123
except Exception, e:
1124
_report_exception(e, 'exception: %s' % str(e).rstrip('\n'))
1125
return 1
1126
finally:
1127
bzrlib.trace.close_trace()
1128
1129
## TODO: Trap AssertionError
1130
1131
# TODO: Maybe nicer handling of IOError especially for broken pipe.
1132
654
return run_bzr(argv[1:])
655
finally:
656
# do this here inside the exception wrappers to catch EPIPE
657
sys.stdout.flush()
658
except BzrCommandError, e:
659
# command line syntax error, etc
660
log_error(str(e))
661
return 1
662
except BzrError, e:
663
bzrlib.trace.log_exception()
664
return 1
665
except AssertionError, e:
666
bzrlib.trace.log_exception('assertion failed: ' + str(e))
667
return 3
668
except KeyboardInterrupt, e:
669
bzrlib.trace.note('interrupted')
670
return 2
671
except Exception, e:
672
import errno
673
if (isinstance(e, IOError)
674
and hasattr(e, 'errno')
675
and e.errno == errno.EPIPE):
676
bzrlib.trace.note('broken pipe')
677
return 2
678
else:
679
bzrlib.trace.log_exception()
680
return 2
1133
681
1134
682
1135
683
if __name__ == '__main__':
Loggerhead is a web-based interface for Breezy
Version: 2.0.1