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- Committer: Martin Pool
- Date: 2005-05-05 06:38:18 UTC
- Revision ID: mbp@sourcefrog.net-20050505063818-3eb3260343878325
- do upload CHANGELOG to web server, even though it's autogenerated
- files added:
- .bzrignore
- bzrlib
- contrib
- contrib/bash
- contrib/zsh
- doc
- elementtree
- notes
- urlgrabber
- files removed:
- .bzrignore
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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"""
286
hidden = True
287
takes_args = ['filename']
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def run(self, filename):
289
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."""
302
hidden = True
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takes_args = ['filename']
304
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))
308
if fid == None:
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bailout("%r is not a versioned file" % filename)
310
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):
345
Branch('.', init=True)
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class cmd_diff(Command):
349
"""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):
377
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.
384
385
TODO: Show files deleted since a previous revision, or between two revisions.
386
"""
387
def run(self, show_ids=False):
388
b = Branch('.')
389
old = b.basis_tree()
390
new = b.working_tree()
391
392
## 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...)
396
397
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:
402
print path
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404
class cmd_root(Command):
405
"""Show the tree root directory.
406
407
The root is the nearest enclosing directory with a .bzr control
408
directory."""
409
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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414
415
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class cmd_log(Command):
417
"""Show log of this branch.
418
419
TODO: Options to show ids; to limit range; etc.
420
"""
421
takes_options = ['timezone', 'verbose']
422
def run(self, timezone='original', verbose=False):
423
Branch('.', lock_mode='r').write_log(show_timezone=timezone, verbose=verbose)
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425
426
class cmd_ls(Command):
427
"""List files in a tree.
428
429
TODO: Take a revision or remote path and list that tree instead.
430
"""
431
hidden = True
432
def run(self, revision=None, verbose=False):
433
b = Branch('.')
434
if revision == None:
435
tree = b.working_tree()
436
else:
437
tree = b.revision_tree(b.lookup_revision(revision))
438
439
for fp, fc, kind, fid in tree.list_files():
440
if verbose:
441
if kind == 'directory':
442
kindch = '/'
443
elif kind == 'file':
444
kindch = ''
445
else:
446
kindch = '???'
447
448
print '%-8s %s%s' % (fc, fp, kindch)
449
else:
450
print fp
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452
453
454
class cmd_unknowns(Command):
455
"""List unknown files"""
456
def run(self):
457
for f in Branch('.').unknowns():
458
print quotefn(f)
459
460
461
462
class cmd_ignore(Command):
463
"""Ignore a command or pattern"""
464
takes_args = ['name_pattern']
465
466
def run(self, name_pattern):
467
b = Branch('.')
468
469
# XXX: This will fail if it's a hardlink; should use an AtomicFile class.
470
f = open(b.abspath('.bzrignore'), 'at')
471
f.write(name_pattern + '\n')
472
f.close()
473
474
inv = b.working_tree().inventory
475
if inv.path2id('.bzrignore'):
476
mutter('.bzrignore is already versioned')
477
else:
478
mutter('need to make new .bzrignore file versioned')
479
b.add(['.bzrignore'])
480
481
482
483
class cmd_ignored(Command):
484
"""List ignored files and the patterns that matched them."""
485
def run(self):
486
tree = Branch('.').working_tree()
487
for path, file_class, kind, file_id in tree.list_files():
488
if file_class != 'I':
489
continue
490
## XXX: Slightly inefficient since this was already calculated
491
pat = tree.is_ignored(path)
492
print '%-50s %s' % (path, pat)
493
494
495
class cmd_lookup_revision(Command):
496
"""Lookup the revision-id from a revision-number
497
498
example:
499
bzr lookup-revision 33
500
"""
501
hidden = True
502
takes_args = ['revno']
503
504
def run(self, revno):
505
try:
506
revno = int(revno)
507
except ValueError:
508
raise BzrCommandError("not a valid revision-number: %r" % revno)
509
510
print Branch('.').lookup_revision(revno)
511
512
513
class cmd_export(Command):
514
"""Export past revision to destination directory.
515
516
If no revision is specified this exports the last committed revision."""
517
takes_args = ['dest']
518
takes_options = ['revision']
519
def run(self, dest, revno=None):
520
b = Branch('.')
521
if revno == None:
522
rh = b.revision_history[-1]
523
else:
524
rh = b.lookup_revision(int(revno))
525
t = b.revision_tree(rh)
526
t.export(dest)
527
528
529
class cmd_cat(Command):
530
"""Write a file's text from a previous revision."""
531
532
takes_options = ['revision']
533
takes_args = ['filename']
534
535
def run(self, filename, revision=None):
536
if revision == None:
537
raise BzrCommandError("bzr cat requires a revision number")
538
b = Branch('.')
539
b.print_file(b.relpath(filename), int(revision))
540
541
542
class cmd_local_time_offset(Command):
543
"""Show the offset in seconds from GMT to local time."""
544
hidden = True
545
def run(self):
546
print bzrlib.osutils.local_time_offset()
547
548
549
550
class cmd_commit(Command):
551
"""Commit changes into a new revision.
552
553
TODO: Commit only selected files.
554
555
TODO: Run hooks on tree to-be-committed, and after commit.
556
557
TODO: Strict commit that fails if there are unknown or deleted files.
558
"""
559
takes_options = ['message', 'verbose']
560
aliases = ['ci', 'checkin']
561
562
def run(self, message=None, verbose=False):
563
if not message:
564
raise BzrCommandError("please specify a commit message")
565
Branch('.').commit(message, verbose=verbose)
566
567
568
class cmd_check(Command):
569
"""Validate consistency of branch history.
570
571
This command checks various invariants about the branch storage to
572
detect data corruption or bzr bugs.
573
"""
574
takes_args = ['dir?']
575
def run(self, dir='.'):
576
import bzrlib.check
577
bzrlib.check.check(Branch(dir, find_root=False))
578
579
580
581
class cmd_whoami(Command):
582
"""Show bzr user id."""
583
takes_options = ['email']
584
585
def run(self, email=False):
586
if email:
587
print bzrlib.osutils.user_email()
588
else:
589
print bzrlib.osutils.username()
590
591
592
class cmd_selftest(Command):
593
"""Run internal test suite"""
594
hidden = True
595
def run(self):
596
failures, tests = 0, 0
597
598
import doctest, bzrlib.store, bzrlib.tests
599
bzrlib.trace.verbose = False
600
601
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
602
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
603
mf, mt = doctest.testmod(m)
604
failures += mf
605
tests += mt
606
print '%-40s %3d tests' % (m.__name__, mt),
607
if mf:
608
print '%3d FAILED!' % mf
609
else:
610
print
611
612
print '%-40s %3d tests' % ('total', tests),
613
if failures:
614
print '%3d FAILED!' % failures
615
else:
616
print
617
618
619
620
class cmd_version(Command):
621
"""Show version of bzr"""
622
def run(self):
623
show_version()
624
625
def show_version():
626
print "bzr (bazaar-ng) %s" % bzrlib.__version__
627
print bzrlib.__copyright__
628
print "http://bazaar-ng.org/"
629
print
630
print "bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and"
631
print "you may use, modify and redistribute it under the terms of the GNU"
632
print "General Public License version 2 or later."
633
634
635
class cmd_rocks(Command):
636
"""Statement of optimism."""
637
hidden = True
638
def run(self):
639
print "it sure does!"
640
641
642
class cmd_assert_fail(Command):
643
"""Test reporting of assertion failures"""
644
hidden = True
645
def run(self):
646
assert False, "always fails"
647
648
649
class cmd_help(Command):
650
"""Show help on a command or other topic.
651
652
For a list of all available commands, say 'bzr help commands'."""
653
takes_args = ['topic?']
654
aliases = ['?']
655
656
def run(self, topic=None):
657
import help
658
help.help(topic)
659
660
661
######################################################################
662
# main routine
663
664
665
# list of all available options; the rhs can be either None for an
666
# option that takes no argument, or a constructor function that checks
667
# the type.
668
OPTIONS = {
669
'all': None,
670
'help': None,
671
'message': unicode,
672
'profile': None,
673
'revision': int,
674
'show-ids': None,
675
'timezone': str,
676
'verbose': None,
677
'version': None,
678
'email': None,
679
}
680
681
SHORT_OPTIONS = {
682
'm': 'message',
683
'r': 'revision',
684
'v': 'verbose',
685
}
686
687
688
def parse_args(argv):
689
"""Parse command line.
690
691
Arguments and options are parsed at this level before being passed
692
down to specific command handlers. This routine knows, from a
693
lookup table, something about the available options, what optargs
694
they take, and which commands will accept them.
695
696
>>> parse_args('--help'.split())
697
([], {'help': True})
698
>>> parse_args('--version'.split())
699
([], {'version': True})
700
>>> parse_args('status --all'.split())
701
(['status'], {'all': True})
702
>>> parse_args('commit --message=biter'.split())
703
(['commit'], {'message': u'biter'})
704
"""
705
args = []
706
opts = {}
707
708
# TODO: Maybe handle '--' to end options?
709
710
while argv:
711
a = argv.pop(0)
712
if a[0] == '-':
713
# option names must not be unicode
714
a = str(a)
715
optarg = None
716
if a[1] == '-':
717
mutter(" got option %r" % a)
718
if '=' in a:
719
optname, optarg = a[2:].split('=', 1)
720
else:
721
optname = a[2:]
722
if optname not in OPTIONS:
723
bailout('unknown long option %r' % a)
724
else:
725
shortopt = a[1:]
726
if shortopt not in SHORT_OPTIONS:
727
bailout('unknown short option %r' % a)
728
optname = SHORT_OPTIONS[shortopt]
729
730
if optname in opts:
731
# XXX: Do we ever want to support this, e.g. for -r?
732
bailout('repeated option %r' % a)
733
734
optargfn = OPTIONS[optname]
735
if optargfn:
736
if optarg == None:
737
if not argv:
738
bailout('option %r needs an argument' % a)
739
else:
740
optarg = argv.pop(0)
741
opts[optname] = optargfn(optarg)
742
else:
743
if optarg != None:
744
bailout('option %r takes no argument' % optname)
745
opts[optname] = True
746
else:
747
args.append(a)
748
749
return args, opts
750
751
752
753
754
def _match_argform(cmd, takes_args, args):
755
argdict = {}
756
757
# step through args and takes_args, allowing appropriate 0-many matches
758
for ap in takes_args:
759
argname = ap[:-1]
760
if ap[-1] == '?':
761
if args:
762
argdict[argname] = args.pop(0)
763
elif ap[-1] == '*': # all remaining arguments
764
if args:
765
argdict[argname + '_list'] = args[:]
766
args = []
767
else:
768
argdict[argname + '_list'] = None
769
elif ap[-1] == '+':
770
if not args:
771
raise BzrCommandError("command %r needs one or more %s"
772
% (cmd, argname.upper()))
773
else:
774
argdict[argname + '_list'] = args[:]
775
args = []
776
elif ap[-1] == '$': # all but one
777
if len(args) < 2:
778
raise BzrCommandError("command %r needs one or more %s"
779
% (cmd, argname.upper()))
780
argdict[argname + '_list'] = args[:-1]
781
args[:-1] = []
782
else:
783
# just a plain arg
784
argname = ap
785
if not args:
786
raise BzrCommandError("command %r requires argument %s"
787
% (cmd, argname.upper()))
788
else:
789
argdict[argname] = args.pop(0)
790
791
if args:
792
raise BzrCommandError("extra argument to command %s: %s"
793
% (cmd, args[0]))
794
795
return argdict
796
797
798
799
def run_bzr(argv):
800
"""Execute a command.
801
802
This is similar to main(), but without all the trappings for
803
logging and error handling.
804
"""
805
argv = [a.decode(bzrlib.user_encoding) for a in argv]
806
807
try:
808
args, opts = parse_args(argv[1:])
809
if 'help' in opts:
810
import help
811
if args:
812
help.help(args[0])
813
else:
814
help.help()
815
return 0
816
elif 'version' in opts:
817
show_version()
818
return 0
819
cmd = str(args.pop(0))
820
except IndexError:
821
log_error('usage: bzr COMMAND')
822
log_error(' try "bzr help"')
823
return 1
824
825
canonical_cmd, cmd_class = get_cmd_class(cmd)
826
827
# global option
828
if 'profile' in opts:
829
profile = True
830
del opts['profile']
831
else:
832
profile = False
833
834
# check options are reasonable
835
allowed = cmd_class.takes_options
836
for oname in opts:
837
if oname not in allowed:
838
raise BzrCommandError("option %r is not allowed for command %r"
839
% (oname, cmd))
840
841
# mix arguments and options into one dictionary
842
cmdargs = _match_argform(cmd, cmd_class.takes_args, args)
843
cmdopts = {}
844
for k, v in opts.items():
845
cmdopts[k.replace('-', '_')] = v
846
847
if profile:
848
import hotshot, tempfile
849
pffileno, pfname = tempfile.mkstemp()
850
try:
851
prof = hotshot.Profile(pfname)
852
ret = prof.runcall(cmd_class, cmdopts, cmdargs) or 0
853
prof.close()
854
855
import hotshot.stats
856
stats = hotshot.stats.load(pfname)
857
#stats.strip_dirs()
858
stats.sort_stats('time')
859
## XXX: Might like to write to stderr or the trace file instead but
860
## print_stats seems hardcoded to stdout
861
stats.print_stats(20)
862
863
return ret.status
864
865
finally:
866
os.close(pffileno)
867
os.remove(pfname)
868
else:
869
cmdobj = cmd_class(cmdopts, cmdargs).status
870
871
872
def _report_exception(summary, quiet=False):
873
import traceback
874
log_error('bzr: ' + summary)
875
bzrlib.trace.log_exception()
876
877
if not quiet:
878
tb = sys.exc_info()[2]
879
exinfo = traceback.extract_tb(tb)
880
if exinfo:
881
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
882
sys.stderr.write(' see ~/.bzr.log for debug information\n')
883
884
885
886
def main(argv):
887
import errno
888
889
bzrlib.open_tracefile(argv)
890
891
try:
892
try:
893
try:
894
return run_bzr(argv)
895
finally:
896
# do this here inside the exception wrappers to catch EPIPE
897
sys.stdout.flush()
898
except BzrError, e:
899
quiet = isinstance(e, (BzrCommandError))
900
_report_exception('error: ' + e.args[0], quiet=quiet)
901
if len(e.args) > 1:
902
for h in e.args[1]:
903
# some explanation or hints
904
log_error(' ' + h)
905
return 1
906
except AssertionError, e:
907
msg = 'assertion failed'
908
if str(e):
909
msg += ': ' + str(e)
910
_report_exception(msg)
911
return 2
912
except KeyboardInterrupt, e:
913
_report_exception('interrupted', quiet=True)
914
return 2
915
except Exception, e:
916
quiet = False
917
if isinstance(e, IOError) and e.errno == errno.EPIPE:
918
quiet = True
919
msg = 'broken pipe'
920
else:
921
msg = str(e).rstrip('\n')
922
_report_exception(msg, quiet)
923
return 2
924
finally:
925
bzrlib.trace.close_trace()
926
927
928
if __name__ == '__main__':
929
sys.exit(main(sys.argv))
Loggerhead is a web-based interface for Breezy
Version: 2.0.1