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- Committer: mbp at sourcefrog
- Date: 2005-03-09 06:49:00 UTC
- Revision ID: mbp@sourcefrog.net-20050309064900-74935ffb7350b24b
import more files from baz
- files added:
- bzrlib/tests.py
- files removed:
- .bzrignore
- bzrlib/plugins
- bzrlib/selftest
- bzrlib/store
- bzrlib/transport
- bzrlib/util
- bzrlib/util/effbot
- bzrlib/util/effbot/org
- bzrlib/util/elementtree
- bzrlib/util/urlgrabber
- contrib
- contrib/bash
- contrib/emacs
- contrib/zsh
- patches
- tools
- files renamed:
- bzrlib/commands.py => bzr.py
- bzrlib/store/__init__.py => bzrlib/store.py
- files modified:
- README
added
removed
bzrlib/branch.py
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# Copyright (C) 2005 Canonical Ltd
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#! /usr/bin/env python
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# -*- coding: UTF-8 -*-
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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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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import sys
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import os
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import errno
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from warnings import warn
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from cStringIO import StringIO
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from sets import Set
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import sys, os, os.path, random, time, sha, sets, types, re, shutil, tempfile
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import traceback, socket, fnmatch, difflib, time
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from binascii import hexlify
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import bzrlib
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from bzrlib.inventory import InventoryEntry
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import bzrlib.inventory as inventory
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from bzrlib.trace import mutter, note
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from bzrlib.osutils import (isdir, quotefn, compact_date, rand_bytes,
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rename, splitpath, sha_file, appendpath,
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file_kind)
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from bzrlib.errors import (BzrError, InvalidRevisionNumber, InvalidRevisionId,
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NoSuchRevision, HistoryMissing, NotBranchError,
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DivergedBranches, LockError, UnlistableStore,
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UnlistableBranch, NoSuchFile)
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from bzrlib.textui import show_status
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from bzrlib.revision import Revision
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from bzrlib.delta import compare_trees
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from bzrlib.tree import EmptyTree, RevisionTree
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from bzrlib.inventory import Inventory
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from bzrlib.store import copy_all
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from bzrlib.store.compressed_text import CompressedTextStore
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from bzrlib.store.text import TextStore
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from bzrlib.store.weave import WeaveStore
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from bzrlib.transport import Transport, get_transport
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import bzrlib.xml5
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import bzrlib.ui
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BZR_BRANCH_FORMAT_4 = "Bazaar-NG branch, format 0.0.4\n"
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BZR_BRANCH_FORMAT_5 = "Bazaar-NG branch, format 5\n"
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from inventory import Inventory
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from trace import mutter, note
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from tree import Tree, EmptyTree, RevisionTree, WorkingTree
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from inventory import InventoryEntry, Inventory
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from osutils import isdir, quotefn, isfile, uuid, sha_file, username, chomp, \
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format_date, compact_date, pumpfile, user_email, rand_bytes, splitpath, \
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joinpath, sha_string, file_kind, local_time_offset
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from store import ImmutableStore
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from revision import Revision
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from errors import bailout
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from textui import show_status
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from diff import diff_trees
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BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
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## TODO: Maybe include checks for common corruption of newlines, etc?
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# TODO: Some operations like log might retrieve the same revisions
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# repeatedly to calculate deltas. We could perhaps have a weakref
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# cache in memory to make this faster. In general anything can be
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# cached in memory between lock and unlock operations.
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def find_branch(*ignored, **ignored_too):
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# XXX: leave this here for about one release, then remove it
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raise NotImplementedError('find_branch() is not supported anymore, '
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'please use one of the new branch constructors')
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def _relpath(base, path):
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"""Return path relative to base, or raise exception.
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The path may be either an absolute path or a path relative to the
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current working directory.
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Lifted out of Branch.relpath for ease of testing.
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os.path.commonprefix (python2.4) has a bad bug that it works just
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on string prefixes, assuming that '/u' is a prefix of '/u2'. This
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avoids that problem."""
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rp = os.path.abspath(path)
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s = []
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head = rp
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while len(head) >= len(base):
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if head == base:
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break
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head, tail = os.path.split(head)
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if tail:
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s.insert(0, tail)
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else:
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raise NotBranchError("path %r is not within branch %r" % (rp, base))
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return os.sep.join(s)
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def find_branch_root(t):
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"""Find the branch root enclosing the transport's base.
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t is a Transport object.
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It is not necessary that the base of t exists.
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Basically we keep looking up until we find the control directory or
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run into the root. If there isn't one, raises NotBranchError.
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"""
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orig_base = t.base
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while True:
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if t.has(bzrlib.BZRDIR):
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return t
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new_t = t.clone('..')
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if new_t.base == t.base:
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# reached the root, whatever that may be
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raise NotBranchError('%s is not in a branch' % orig_base)
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t = new_t
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######################################################################
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# branch objects
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class Branch(object):
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class Branch:
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"""Branch holding a history of revisions.
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base
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Base directory/url of the branch.
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"""
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base = None
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def __init__(self, *ignored, **ignored_too):
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raise NotImplementedError('The Branch class is abstract')
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@staticmethod
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def open_downlevel(base):
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"""Open a branch which may be of an old format.
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Only local branches are supported."""
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return _Branch(get_transport(base), relax_version_check=True)
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@staticmethod
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def open(base):
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"""Open an existing branch, rooted at 'base' (url)"""
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t = get_transport(base)
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mutter("trying to open %r with transport %r", base, t)
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return _Branch(t)
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@staticmethod
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def open_containing(url):
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"""Open an existing branch which contains url.
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This probes for a branch at url, and searches upwards from there.
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"""
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t = get_transport(url)
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t = find_branch_root(t)
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return _Branch(t)
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@staticmethod
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def initialize(base):
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"""Create a new branch, rooted at 'base' (url)"""
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t = get_transport(base)
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return _Branch(t, init=True)
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def setup_caching(self, cache_root):
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"""Subclasses that care about caching should override this, and set
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up cached stores located under cache_root.
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"""
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self.cache_root = cache_root
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class _Branch(Branch):
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"""A branch stored in the actual filesystem.
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Note that it's "local" in the context of the filesystem; it doesn't
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really matter if it's on an nfs/smb/afs/coda/... share, as long as
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it's writable, and can be accessed via the normal filesystem API.
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_lock_mode
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None, or 'r' or 'w'
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_lock_count
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If _lock_mode is true, a positive count of the number of times the
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lock has been taken.
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_lock
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Lock object from bzrlib.lock.
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"""
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# We actually expect this class to be somewhat short-lived; part of its
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# purpose is to try to isolate what bits of the branch logic are tied to
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# filesystem access, so that in a later step, we can extricate them to
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# a separarte ("storage") class.
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_lock_mode = None
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_lock_count = None
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_lock = None
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_inventory_weave = None
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# Map some sort of prefix into a namespace
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# stuff like "revno:10", "revid:", etc.
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# This should match a prefix with a function which accepts
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REVISION_NAMESPACES = {}
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def push_stores(self, branch_to):
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"""Copy the content of this branches store to branch_to."""
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if (self._branch_format != branch_to._branch_format
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or self._branch_format != 4):
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from bzrlib.fetch import greedy_fetch
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mutter("falling back to fetch logic to push between %s(%s) and %s(%s)",
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self, self._branch_format, branch_to, branch_to._branch_format)
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greedy_fetch(to_branch=branch_to, from_branch=self,
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revision=self.last_revision())
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return
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store_pairs = ((self.text_store, branch_to.text_store),
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(self.inventory_store, branch_to.inventory_store),
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(self.revision_store, branch_to.revision_store))
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try:
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for from_store, to_store in store_pairs:
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copy_all(from_store, to_store)
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except UnlistableStore:
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raise UnlistableBranch(from_store)
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def __init__(self, transport, init=False,
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relax_version_check=False):
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:todo: Perhaps use different stores for different classes of object,
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so that we can keep track of how much space each one uses,
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or garbage-collect them.
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:todo: Add a RemoteBranch subclass. For the basic case of read-only
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HTTP access this should be very easy by,
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just redirecting controlfile access into HTTP requests.
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We would need a RemoteStore working similarly.
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:todo: Keep the on-disk branch locked while the object exists.
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:todo: mkdir() method.
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"""
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def __init__(self, base, init=False):
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"""Create new branch object at a particular location.
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transport -- A Transport object, defining how to access files.
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(If a string, transport.transport() will be used to
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create a Transport object)
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init -- If True, create new control files in a previously
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:param base: Base directory for the branch.
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:param init: If True, create new control files in a previously
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unversioned directory. If False, the branch must already
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be versioned.
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relax_version_check -- If true, the usual check for the branch
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version is not applied. This is intended only for
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upgrade/recovery type use; it's not guaranteed that
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all operations will work on old format branches.
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In the test suite, creation of new trees is tested using the
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`ScratchBranch` class.
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"""
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assert isinstance(transport, Transport), \
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"%r is not a Transport" % transport
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self._transport = transport
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self.base = os.path.realpath(base)
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if init:
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self._make_control()
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self._check_format(relax_version_check)
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def get_store(name, compressed=True):
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# FIXME: This approach of assuming stores are all entirely compressed
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# or entirely uncompressed is tidy, but breaks upgrade from
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# some existing branches where there's a mixture; we probably
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# still want the option to look for both.
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relpath = self._rel_controlfilename(name)
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if compressed:
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store = CompressedTextStore(self._transport.clone(relpath))
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else:
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store = TextStore(self._transport.clone(relpath))
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#if self._transport.should_cache():
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# cache_path = os.path.join(self.cache_root, name)
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# os.mkdir(cache_path)
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# store = bzrlib.store.CachedStore(store, cache_path)
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return store
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def get_weave(name):
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relpath = self._rel_controlfilename(name)
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ws = WeaveStore(self._transport.clone(relpath))
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if self._transport.should_cache():
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ws.enable_cache = True
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return ws
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if self._branch_format == 4:
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self.inventory_store = get_store('inventory-store')
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self.text_store = get_store('text-store')
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self.revision_store = get_store('revision-store')
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elif self._branch_format == 5:
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self.control_weaves = get_weave([])
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self.weave_store = get_weave('weaves')
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self.revision_store = get_store('revision-store', compressed=False)
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else:
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if not isdir(self.controlfilename('.')):
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bailout("not a bzr branch: %s" % quotefn(base),
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['use "bzr init" to initialize a new working tree',
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'current bzr can only operate from top-of-tree'])
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self._check_format()
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self.text_store = ImmutableStore(self.controlfilename('text-store'))
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self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
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self.inventory_store = ImmutableStore(self.controlfilename('inventory-store'))
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def __str__(self):
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return '%s(%r)' % (self.__class__.__name__, self._transport.base)
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return '%s(%r)' % (self.__class__.__name__, self.base)
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__repr__ = __str__
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def __del__(self):
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if self._lock_mode or self._lock:
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# XXX: This should show something every time, and be suitable for
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# headless operation and embedding
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warn("branch %r was not explicitly unlocked" % self)
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self._lock.unlock()
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# TODO: It might be best to do this somewhere else,
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# but it is nice for a Branch object to automatically
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# cache it's information.
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# Alternatively, we could have the Transport objects cache requests
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# See the earlier discussion about how major objects (like Branch)
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# should never expect their __del__ function to run.
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if hasattr(self, 'cache_root') and self.cache_root is not None:
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try:
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import shutil
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shutil.rmtree(self.cache_root)
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except:
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pass
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self.cache_root = None
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def _get_base(self):
301
if self._transport:
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return self._transport.base
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return None
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base = property(_get_base)
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def lock_write(self):
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# TODO: Upgrade locking to support using a Transport,
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# and potentially a remote locking protocol
311
if self._lock_mode:
312
if self._lock_mode != 'w':
313
raise LockError("can't upgrade to a write lock from %r" %
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self._lock_mode)
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self._lock_count += 1
316
else:
317
self._lock = self._transport.lock_write(
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self._rel_controlfilename('branch-lock'))
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self._lock_mode = 'w'
320
self._lock_count = 1
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def lock_read(self):
324
if self._lock_mode:
325
assert self._lock_mode in ('r', 'w'), \
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"invalid lock mode %r" % self._lock_mode
327
self._lock_count += 1
328
else:
329
self._lock = self._transport.lock_read(
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self._rel_controlfilename('branch-lock'))
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self._lock_mode = 'r'
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self._lock_count = 1
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def unlock(self):
335
if not self._lock_mode:
336
raise LockError('branch %r is not locked' % (self))
337
338
if self._lock_count > 1:
339
self._lock_count -= 1
340
else:
341
self._lock.unlock()
342
self._lock = None
343
self._lock_mode = self._lock_count = None
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def abspath(self, name):
346
"""Return absolute filename for something in the branch"""
347
return self._transport.abspath(name)
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def relpath(self, path):
350
"""Return path relative to this branch of something inside it.
351
352
Raises an error if path is not in this branch."""
353
return self._transport.relpath(path)
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def _rel_controlfilename(self, file_or_path):
357
if isinstance(file_or_path, basestring):
358
file_or_path = [file_or_path]
359
return [bzrlib.BZRDIR] + file_or_path
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def _rel(self, name):
100
"""Return filename relative to branch top"""
101
return os.path.join(self.base, name)
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def controlfilename(self, file_or_path):
362
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"""Return location relative to branch."""
363
return self._transport.abspath(self._rel_controlfilename(file_or_path))
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if isinstance(file_or_path, types.StringTypes):
107
file_or_path = [file_or_path]
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return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
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365
110
366
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def controlfile(self, file_or_path, mode='r'):
367
"""Open a control file for this branch.
368
369
There are two classes of file in the control directory: text
370
and binary. binary files are untranslated byte streams. Text
371
control files are stored with Unix newlines and in UTF-8, even
372
if the platform or locale defaults are different.
373
374
Controlfiles should almost never be opened in write mode but
375
rather should be atomically copied and replaced using atomicfile.
376
"""
377
import codecs
378
379
relpath = self._rel_controlfilename(file_or_path)
380
#TODO: codecs.open() buffers linewise, so it was overloaded with
381
# a much larger buffer, do we need to do the same for getreader/getwriter?
382
if mode == 'rb':
383
return self._transport.get(relpath)
384
elif mode == 'wb':
385
raise BzrError("Branch.controlfile(mode='wb') is not supported, use put_controlfiles")
386
elif mode == 'r':
387
return codecs.getreader('utf-8')(self._transport.get(relpath), errors='replace')
388
elif mode == 'w':
389
raise BzrError("Branch.controlfile(mode='w') is not supported, use put_controlfiles")
390
else:
391
raise BzrError("invalid controlfile mode %r" % mode)
392
393
def put_controlfile(self, path, f, encode=True):
394
"""Write an entry as a controlfile.
395
396
:param path: The path to put the file, relative to the .bzr control
397
directory
398
:param f: A file-like or string object whose contents should be copied.
399
:param encode: If true, encode the contents as utf-8
400
"""
401
self.put_controlfiles([(path, f)], encode=encode)
402
403
def put_controlfiles(self, files, encode=True):
404
"""Write several entries as controlfiles.
405
406
:param files: A list of [(path, file)] pairs, where the path is the directory
407
underneath the bzr control directory
408
:param encode: If true, encode the contents as utf-8
409
"""
410
import codecs
411
ctrl_files = []
412
for path, f in files:
413
if encode:
414
if isinstance(f, basestring):
415
f = f.encode('utf-8', 'replace')
416
else:
417
f = codecs.getwriter('utf-8')(f, errors='replace')
418
path = self._rel_controlfilename(path)
419
ctrl_files.append((path, f))
420
self._transport.put_multi(ctrl_files)
112
"""Open a control file for this branch"""
113
return file(self.controlfilename(file_or_path), mode)
114
421
115
422
116
def _make_control(self):
423
from bzrlib.inventory import Inventory
424
from bzrlib.weavefile import write_weave_v5
425
from bzrlib.weave import Weave
426
427
# Create an empty inventory
428
sio = StringIO()
429
# if we want per-tree root ids then this is the place to set
430
# them; they're not needed for now and so ommitted for
431
# simplicity.
432
bzrlib.xml5.serializer_v5.write_inventory(Inventory(), sio)
433
empty_inv = sio.getvalue()
434
sio = StringIO()
435
bzrlib.weavefile.write_weave_v5(Weave(), sio)
436
empty_weave = sio.getvalue()
437
438
dirs = [[], 'revision-store', 'weaves']
439
files = [('README',
117
os.mkdir(self.controlfilename([]))
118
self.controlfile('README', 'w').write(
440
119
"This is a Bazaar-NG control directory.\n"
441
"Do not change any files in this directory.\n"),
442
('branch-format', BZR_BRANCH_FORMAT_5),
443
('revision-history', ''),
444
('branch-name', ''),
445
('branch-lock', ''),
446
('pending-merges', ''),
447
('inventory', empty_inv),
448
('inventory.weave', empty_weave),
449
('ancestry.weave', empty_weave)
450
]
451
cfn = self._rel_controlfilename
452
self._transport.mkdir_multi([cfn(d) for d in dirs])
453
self.put_controlfiles(files)
454
mutter('created control directory in ' + self._transport.base)
455
456
def _check_format(self, relax_version_check):
120
"Do not change any files in this directory.")
121
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
122
for d in ('text-store', 'inventory-store', 'revision-store'):
123
os.mkdir(self.controlfilename(d))
124
for f in ('revision-history', 'merged-patches',
125
'pending-merged-patches', 'branch-name'):
126
self.controlfile(f, 'w').write('')
127
mutter('created control directory in ' + self.base)
128
Inventory().write_xml(self.controlfile('inventory','w'))
129
130
131
def _check_format(self):
457
132
"""Check this branch format is supported.
458
133
459
The format level is stored, as an integer, in
460
self._branch_format for code that needs to check it later.
134
The current tool only supports the current unstable format.
461
135
462
136
In the future, we might need different in-memory Branch
463
137
classes to support downlevel branches. But not yet.
464
"""
465
try:
466
fmt = self.controlfile('branch-format', 'r').read()
467
except NoSuchFile:
468
raise NotBranchError(self.base)
469
mutter("got branch format %r", fmt)
470
if fmt == BZR_BRANCH_FORMAT_5:
471
self._branch_format = 5
472
elif fmt == BZR_BRANCH_FORMAT_4:
473
self._branch_format = 4
474
475
if (not relax_version_check
476
and self._branch_format != 5):
477
raise BzrError('sorry, branch format %r not supported' % fmt,
478
['use a different bzr version',
479
'or remove the .bzr directory'
480
' and "bzr init" again'])
481
482
def get_root_id(self):
483
"""Return the id of this branches root"""
484
inv = self.read_working_inventory()
485
return inv.root.file_id
486
487
def set_root_id(self, file_id):
488
inv = self.read_working_inventory()
489
orig_root_id = inv.root.file_id
490
del inv._byid[inv.root.file_id]
491
inv.root.file_id = file_id
492
inv._byid[inv.root.file_id] = inv.root
493
for fid in inv:
494
entry = inv[fid]
495
if entry.parent_id in (None, orig_root_id):
496
entry.parent_id = inv.root.file_id
497
self._write_inventory(inv)
138
"""
139
# read in binary mode to detect newline wierdness.
140
fmt = self.controlfile('branch-format', 'rb').read()
141
if fmt != BZR_BRANCH_FORMAT:
142
bailout('sorry, branch format %r not supported' % fmt,
143
['use a different bzr version',
144
'or remove the .bzr directory and "bzr init" again'])
145
498
146
499
147
def read_working_inventory(self):
500
148
"""Read the working inventory."""
501
self.lock_read()
502
try:
503
# ElementTree does its own conversion from UTF-8, so open in
504
# binary.
505
f = self.controlfile('inventory', 'rb')
506
return bzrlib.xml5.serializer_v5.read_inventory(f)
507
finally:
508
self.unlock()
509
149
before = time.time()
150
inv = Inventory.read_xml(self.controlfile('inventory', 'r'))
151
mutter("loaded inventory of %d items in %f"
152
% (len(inv), time.time() - before))
153
return inv
154
510
155
511
156
def _write_inventory(self, inv):
512
157
"""Update the working inventory.
514
159
That is to say, the inventory describing changes underway, that
515
160
will be committed to the next revision.
516
161
"""
517
from cStringIO import StringIO
518
self.lock_write()
519
try:
520
sio = StringIO()
521
bzrlib.xml5.serializer_v5.write_inventory(inv, sio)
522
sio.seek(0)
523
# Transport handles atomicity
524
self.put_controlfile('inventory', sio)
525
finally:
526
self.unlock()
527
528
mutter('wrote working inventory')
529
162
inv.write_xml(self.controlfile('inventory', 'w'))
163
mutter('wrote inventory to %s' % quotefn(self.controlfilename('inventory')))
164
165
530
166
inventory = property(read_working_inventory, _write_inventory, None,
531
167
"""Inventory for the working copy.""")
532
168
533
def add(self, files, ids=None):
169
170
def add(self, files, verbose=False):
534
171
"""Make files versioned.
535
172
536
Note that the command line normally calls smart_add instead,
537
which can automatically recurse.
538
539
173
This puts the files in the Added state, so that they will be
540
174
recorded by the next commit.
541
175
542
files
543
List of paths to add, relative to the base of the tree.
544
545
ids
546
If set, use these instead of automatically generated ids.
547
Must be the same length as the list of files, but may
548
contain None for ids that are to be autogenerated.
549
550
TODO: Perhaps have an option to add the ids even if the files do
551
not (yet) exist.
552
553
TODO: Perhaps yield the ids and paths as they're added.
176
:todo: Perhaps have an option to add the ids even if the files do
177
not (yet) exist.
178
179
:todo: Perhaps return the ids of the files? But then again it
180
is easy to retrieve them if they're needed.
181
182
:todo: Option to specify file id.
183
184
:todo: Adding a directory should optionally recurse down and
185
add all non-ignored children. Perhaps do that in a
186
higher-level method.
187
188
>>> b = ScratchBranch(files=['foo'])
189
>>> 'foo' in b.unknowns()
190
True
191
>>> b.show_status()
192
? foo
193
>>> b.add('foo')
194
>>> 'foo' in b.unknowns()
195
False
196
>>> bool(b.inventory.path2id('foo'))
197
True
198
>>> b.show_status()
199
A foo
200
201
>>> b.add('foo')
202
Traceback (most recent call last):
203
...
204
BzrError: ('foo is already versioned', [])
205
206
>>> b.add(['nothere'])
207
Traceback (most recent call last):
208
BzrError: ('cannot add: not a regular file or directory: nothere', [])
554
209
"""
210
555
211
# TODO: Re-adding a file that is removed in the working copy
556
212
# should probably put it back with the previous ID.
557
if isinstance(files, basestring):
558
assert(ids is None or isinstance(ids, basestring))
213
if isinstance(files, types.StringTypes):
559
214
files = [files]
560
if ids is not None:
561
ids = [ids]
562
563
if ids is None:
564
ids = [None] * len(files)
565
else:
566
assert(len(ids) == len(files))
567
568
self.lock_write()
569
try:
570
inv = self.read_working_inventory()
571
for f,file_id in zip(files, ids):
572
if is_control_file(f):
573
raise BzrError("cannot add control file %s" % quotefn(f))
574
575
fp = splitpath(f)
576
577
if len(fp) == 0:
578
raise BzrError("cannot add top-level %r" % f)
579
580
fullpath = os.path.normpath(self.abspath(f))
581
582
try:
583
kind = file_kind(fullpath)
584
except OSError:
585
# maybe something better?
586
raise BzrError('cannot add: not a regular file, symlink or directory: %s' % quotefn(f))
587
588
if not InventoryEntry.versionable_kind(kind):
589
raise BzrError('cannot add: not a versionable file ('
590
'i.e. regular file, symlink or directory): %s' % quotefn(f))
591
592
if file_id is None:
593
file_id = gen_file_id(f)
594
inv.add_path(f, kind=kind, file_id=file_id)
595
596
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
597
598
self._write_inventory(inv)
599
finally:
600
self.unlock()
601
602
603
def print_file(self, file, revno):
604
"""Print `file` to stdout."""
605
self.lock_read()
606
try:
607
tree = self.revision_tree(self.get_rev_id(revno))
608
# use inventory as it was in that revision
609
file_id = tree.inventory.path2id(file)
610
if not file_id:
611
raise BzrError("%r is not present in revision %s" % (file, revno))
612
tree.print_file(file_id)
613
finally:
614
self.unlock()
215
216
inv = self.read_working_inventory()
217
for f in files:
218
if is_control_file(f):
219
bailout("cannot add control file %s" % quotefn(f))
220
221
fp = splitpath(f)
222
223
if len(fp) == 0:
224
bailout("cannot add top-level %r" % f)
225
226
fullpath = os.path.normpath(self._rel(f))
227
228
if isfile(fullpath):
229
kind = 'file'
230
elif isdir(fullpath):
231
kind = 'directory'
232
else:
233
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
234
235
if len(fp) > 1:
236
parent_name = joinpath(fp[:-1])
237
mutter("lookup parent %r" % parent_name)
238
parent_id = inv.path2id(parent_name)
239
if parent_id == None:
240
bailout("cannot add: parent %r is not versioned"
241
% joinpath(fp[:-1]))
242
else:
243
parent_id = None
244
245
file_id = _gen_file_id(fp[-1])
246
inv.add(InventoryEntry(file_id, fp[-1], kind=kind, parent_id=parent_id))
247
if verbose:
248
show_status('A', kind, quotefn(f))
249
250
mutter("add file %s file_id:{%s} kind=%r parent_id={%s}"
251
% (f, file_id, kind, parent_id))
252
self._write_inventory(inv)
253
615
254
616
255
617
256
def remove(self, files, verbose=False):
619
258
620
259
This does not remove their text. This does not run on
621
260
622
TODO: Refuse to remove modified files unless --force is given?
623
624
TODO: Do something useful with directories.
625
626
TODO: Should this remove the text or not? Tough call; not
261
:todo: Refuse to remove modified files unless --force is given?
262
263
>>> b = ScratchBranch(files=['foo'])
264
>>> b.add('foo')
265
>>> b.inventory.has_filename('foo')
266
True
267
>>> b.remove('foo')
268
>>> b.working_tree().has_filename('foo')
269
True
270
>>> b.inventory.has_filename('foo')
271
False
272
273
>>> b = ScratchBranch(files=['foo'])
274
>>> b.add('foo')
275
>>> b.commit('one')
276
>>> b.remove('foo')
277
>>> b.commit('two')
278
>>> b.inventory.has_filename('foo')
279
False
280
>>> b.basis_tree().has_filename('foo')
281
False
282
>>> b.working_tree().has_filename('foo')
283
True
284
285
:todo: Do something useful with directories.
286
287
:todo: Should this remove the text or not? Tough call; not
627
288
removing may be useful and the user can just use use rm, and
628
289
is the opposite of add. Removing it is consistent with most
629
290
other tools. Maybe an option.
630
291
"""
631
292
## TODO: Normalize names
632
293
## TODO: Remove nested loops; better scalability
633
if isinstance(files, basestring):
294
295
if isinstance(files, types.StringTypes):
634
296
files = [files]
635
636
self.lock_write()
637
638
try:
639
tree = self.working_tree()
640
inv = tree.inventory
641
642
# do this before any modifications
643
for f in files:
644
fid = inv.path2id(f)
645
if not fid:
646
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
647
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
648
if verbose:
649
# having remove it, it must be either ignored or unknown
650
if tree.is_ignored(f):
651
new_status = 'I'
652
else:
653
new_status = '?'
654
show_status(new_status, inv[fid].kind, quotefn(f))
655
del inv[fid]
656
657
self._write_inventory(inv)
658
finally:
659
self.unlock()
660
661
# FIXME: this doesn't need to be a branch method
662
def set_inventory(self, new_inventory_list):
663
from bzrlib.inventory import Inventory, InventoryEntry
664
inv = Inventory(self.get_root_id())
665
for path, file_id, parent, kind in new_inventory_list:
666
name = os.path.basename(path)
667
if name == "":
668
continue
669
# fixme, there should be a factory function inv,add_??
670
if kind == 'directory':
671
inv.add(inventory.InventoryDirectory(file_id, name, parent))
672
elif kind == 'file':
673
inv.add(inventory.InventoryFile(file_id, name, parent))
674
elif kind == 'symlink':
675
inv.add(inventory.InventoryLink(file_id, name, parent))
676
else:
677
raise BzrError("unknown kind %r" % kind)
297
298
inv = self.read_working_inventory()
299
300
# do this before any modifications
301
for f in files:
302
fid = inv.path2id(f)
303
if not fid:
304
bailout("cannot remove unversioned file %s" % quotefn(f))
305
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
306
if verbose:
307
show_status('D', inv[fid].kind, quotefn(f))
308
del inv[fid]
309
678
310
self._write_inventory(inv)
679
311
312
680
313
def unknowns(self):
681
314
"""Return all unknown files.
682
315
696
329
return self.working_tree().unknowns()
697
330
698
331
699
def append_revision(self, *revision_ids):
700
for revision_id in revision_ids:
701
mutter("add {%s} to revision-history" % revision_id)
702
self.lock_write()
703
try:
704
rev_history = self.revision_history()
705
rev_history.extend(revision_ids)
706
self.put_controlfile('revision-history', '\n'.join(rev_history))
707
finally:
708
self.unlock()
709
710
def has_revision(self, revision_id):
711
"""True if this branch has a copy of the revision.
712
713
This does not necessarily imply the revision is merge
714
or on the mainline."""
715
return (revision_id is None
716
or revision_id in self.revision_store)
717
718
def get_revision_xml_file(self, revision_id):
719
"""Return XML file object for revision object."""
720
if not revision_id or not isinstance(revision_id, basestring):
721
raise InvalidRevisionId(revision_id)
722
723
self.lock_read()
724
try:
725
try:
726
return self.revision_store[revision_id]
727
except (IndexError, KeyError):
728
raise bzrlib.errors.NoSuchRevision(self, revision_id)
729
finally:
730
self.unlock()
731
732
#deprecated
733
get_revision_xml = get_revision_xml_file
734
735
def get_revision_xml(self, revision_id):
736
return self.get_revision_xml_file(revision_id).read()
332
def commit(self, message, timestamp=None, timezone=None,
333
committer=None,
334
verbose=False):
335
"""Commit working copy as a new revision.
336
337
The basic approach is to add all the file texts into the
338
store, then the inventory, then make a new revision pointing
339
to that inventory and store that.
340
341
This is not quite safe if the working copy changes during the
342
commit; for the moment that is simply not allowed. A better
343
approach is to make a temporary copy of the files before
344
computing their hashes, and then add those hashes in turn to
345
the inventory. This should mean at least that there are no
346
broken hash pointers. There is no way we can get a snapshot
347
of the whole directory at an instant. This would also have to
348
be robust against files disappearing, moving, etc. So the
349
whole thing is a bit hard.
350
351
:param timestamp: if not None, seconds-since-epoch for a
352
postdated/predated commit.
353
"""
354
355
## TODO: Show branch names
356
357
# TODO: Don't commit if there are no changes, unless forced?
358
359
# First walk over the working inventory; and both update that
360
# and also build a new revision inventory. The revision
361
# inventory needs to hold the text-id, sha1 and size of the
362
# actual file versions committed in the revision. (These are
363
# not present in the working inventory.) We also need to
364
# detect missing/deleted files, and remove them from the
365
# working inventory.
366
367
work_inv = self.read_working_inventory()
368
inv = Inventory()
369
basis = self.basis_tree()
370
basis_inv = basis.inventory
371
missing_ids = []
372
for path, entry in work_inv.iter_entries():
373
## TODO: Cope with files that have gone missing.
374
375
## TODO: Check that the file kind has not changed from the previous
376
## revision of this file (if any).
377
378
entry = entry.copy()
379
380
p = self._rel(path)
381
file_id = entry.file_id
382
mutter('commit prep file %s, id %r ' % (p, file_id))
383
384
if not os.path.exists(p):
385
mutter(" file is missing, removing from inventory")
386
if verbose:
387
show_status('D', entry.kind, quotefn(path))
388
missing_ids.append(file_id)
389
continue
390
391
# TODO: Handle files that have been deleted
392
393
# TODO: Maybe a special case for empty files? Seems a
394
# waste to store them many times.
395
396
inv.add(entry)
397
398
if basis_inv.has_id(file_id):
399
old_kind = basis_inv[file_id].kind
400
if old_kind != entry.kind:
401
bailout("entry %r changed kind from %r to %r"
402
% (file_id, old_kind, entry.kind))
403
404
if entry.kind == 'directory':
405
if not isdir(p):
406
bailout("%s is entered as directory but not a directory" % quotefn(p))
407
elif entry.kind == 'file':
408
if not isfile(p):
409
bailout("%s is entered as file but is not a file" % quotefn(p))
410
411
content = file(p, 'rb').read()
412
413
entry.text_sha1 = sha_string(content)
414
entry.text_size = len(content)
415
416
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
417
if (old_ie
418
and (old_ie.text_size == entry.text_size)
419
and (old_ie.text_sha1 == entry.text_sha1)):
420
## assert content == basis.get_file(file_id).read()
421
entry.text_id = basis_inv[file_id].text_id
422
mutter(' unchanged from previous text_id {%s}' %
423
entry.text_id)
424
425
else:
426
entry.text_id = _gen_file_id(entry.name)
427
self.text_store.add(content, entry.text_id)
428
mutter(' stored with text_id {%s}' % entry.text_id)
429
if verbose:
430
if not old_ie:
431
state = 'A'
432
elif (old_ie.name == entry.name
433
and old_ie.parent_id == entry.parent_id):
434
state = 'R'
435
else:
436
state = 'M'
437
438
show_status(state, entry.kind, quotefn(path))
439
440
for file_id in missing_ids:
441
# have to do this later so we don't mess up the iterator.
442
# since parents may be removed before their children we
443
# have to test.
444
445
# FIXME: There's probably a better way to do this; perhaps
446
# the workingtree should know how to filter itself.
447
if work_inv.has_id(file_id):
448
del work_inv[file_id]
449
450
451
inv_id = rev_id = _gen_revision_id(time.time())
452
453
inv_tmp = tempfile.TemporaryFile()
454
inv.write_xml(inv_tmp)
455
inv_tmp.seek(0)
456
self.inventory_store.add(inv_tmp, inv_id)
457
mutter('new inventory_id is {%s}' % inv_id)
458
459
self._write_inventory(work_inv)
460
461
if timestamp == None:
462
timestamp = time.time()
463
464
if committer == None:
465
committer = username()
466
467
if timezone == None:
468
timezone = local_time_offset()
469
470
mutter("building commit log message")
471
rev = Revision(timestamp=timestamp,
472
timezone=timezone,
473
committer=committer,
474
precursor = self.last_patch(),
475
message = message,
476
inventory_id=inv_id,
477
revision_id=rev_id)
478
479
rev_tmp = tempfile.TemporaryFile()
480
rev.write_xml(rev_tmp)
481
rev_tmp.seek(0)
482
self.revision_store.add(rev_tmp, rev_id)
483
mutter("new revision_id is {%s}" % rev_id)
484
485
## XXX: Everything up to here can simply be orphaned if we abort
486
## the commit; it will leave junk files behind but that doesn't
487
## matter.
488
489
## TODO: Read back the just-generated changeset, and make sure it
490
## applies and recreates the right state.
491
492
## TODO: Also calculate and store the inventory SHA1
493
mutter("committing patch r%d" % (self.revno() + 1))
494
495
mutter("append to revision-history")
496
self.controlfile('revision-history', 'at').write(rev_id + '\n')
497
498
mutter("done!")
737
499
738
500
739
501
def get_revision(self, revision_id):
740
502
"""Return the Revision object for a named revision"""
741
xml_file = self.get_revision_xml_file(revision_id)
742
743
try:
744
r = bzrlib.xml5.serializer_v5.read_revision(xml_file)
745
except SyntaxError, e:
746
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
747
[revision_id,
748
str(e)])
749
503
r = Revision.read_xml(self.revision_store[revision_id])
750
504
assert r.revision_id == revision_id
751
505
return r
752
506
753
def get_revision_delta(self, revno):
754
"""Return the delta for one revision.
755
756
The delta is relative to its mainline predecessor, or the
757
empty tree for revision 1.
758
"""
759
assert isinstance(revno, int)
760
rh = self.revision_history()
761
if not (1 <= revno <= len(rh)):
762
raise InvalidRevisionNumber(revno)
763
764
# revno is 1-based; list is 0-based
765
766
new_tree = self.revision_tree(rh[revno-1])
767
if revno == 1:
768
old_tree = EmptyTree()
769
else:
770
old_tree = self.revision_tree(rh[revno-2])
771
772
return compare_trees(old_tree, new_tree)
773
774
def get_revision_sha1(self, revision_id):
775
"""Hash the stored value of a revision, and return it."""
776
# In the future, revision entries will be signed. At that
777
# point, it is probably best *not* to include the signature
778
# in the revision hash. Because that lets you re-sign
779
# the revision, (add signatures/remove signatures) and still
780
# have all hash pointers stay consistent.
781
# But for now, just hash the contents.
782
return bzrlib.osutils.sha_file(self.get_revision_xml_file(revision_id))
783
784
def get_ancestry(self, revision_id):
785
"""Return a list of revision-ids integrated by a revision.
786
787
This currently returns a list, but the ordering is not guaranteed:
788
treat it as a set.
789
"""
790
if revision_id is None:
791
return [None]
792
w = self.control_weaves.get_weave('inventory')
793
return [None] + map(w.idx_to_name,
794
w.inclusions([w.lookup(revision_id)]))
795
796
def get_inventory_weave(self):
797
return self.control_weaves.get_weave('inventory')
798
799
def get_inventory(self, revision_id):
800
"""Get Inventory object by hash."""
801
xml = self.get_inventory_xml(revision_id)
802
return bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
803
804
def get_inventory_xml(self, revision_id):
805
"""Get inventory XML as a file object."""
806
try:
807
assert isinstance(revision_id, basestring), type(revision_id)
808
iw = self.get_inventory_weave()
809
return iw.get_text(iw.lookup(revision_id))
810
except IndexError:
811
raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
812
813
def get_inventory_sha1(self, revision_id):
814
"""Return the sha1 hash of the inventory entry
815
"""
816
return self.get_revision(revision_id).inventory_sha1
507
508
def get_inventory(self, inventory_id):
509
"""Get Inventory object by hash.
510
511
:todo: Perhaps for this and similar methods, take a revision
512
parameter which can be either an integer revno or a
513
string hash."""
514
i = Inventory.read_xml(self.inventory_store[inventory_id])
515
return i
516
817
517
818
518
def get_revision_inventory(self, revision_id):
819
519
"""Return inventory of a past revision."""
820
# TODO: Unify this with get_inventory()
821
# bzr 0.0.6 and later imposes the constraint that the inventory_id
822
# must be the same as its revision, so this is trivial.
823
520
if revision_id == None:
824
return Inventory(self.get_root_id())
521
return Inventory()
825
522
else:
826
return self.get_inventory(revision_id)
523
return self.get_inventory(self.get_revision(revision_id).inventory_id)
524
827
525
828
526
def revision_history(self):
829
"""Return sequence of revision hashes on to this branch."""
830
self.lock_read()
831
try:
832
return [l.rstrip('\r\n') for l in
833
self.controlfile('revision-history', 'r').readlines()]
834
finally:
835
self.unlock()
527
"""Return sequence of revision hashes on to this branch.
836
528
837
def common_ancestor(self, other, self_revno=None, other_revno=None):
838
"""
839
>>> from bzrlib.commit import commit
840
>>> sb = ScratchBranch(files=['foo', 'foo~'])
841
>>> sb.common_ancestor(sb) == (None, None)
842
True
843
>>> commit(sb, "Committing first revision", verbose=False)
844
>>> sb.common_ancestor(sb)[0]
845
1
846
>>> clone = sb.clone()
847
>>> commit(sb, "Committing second revision", verbose=False)
848
>>> sb.common_ancestor(sb)[0]
849
2
850
>>> sb.common_ancestor(clone)[0]
851
1
852
>>> commit(clone, "Committing divergent second revision",
853
... verbose=False)
854
>>> sb.common_ancestor(clone)[0]
855
1
856
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
857
True
858
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
859
True
860
>>> clone2 = sb.clone()
861
>>> sb.common_ancestor(clone2)[0]
862
2
863
>>> sb.common_ancestor(clone2, self_revno=1)[0]
864
1
865
>>> sb.common_ancestor(clone2, other_revno=1)[0]
866
1
867
"""
868
my_history = self.revision_history()
869
other_history = other.revision_history()
870
if self_revno is None:
871
self_revno = len(my_history)
872
if other_revno is None:
873
other_revno = len(other_history)
874
indices = range(min((self_revno, other_revno)))
875
indices.reverse()
876
for r in indices:
877
if my_history[r] == other_history[r]:
878
return r+1, my_history[r]
879
return None, None
529
>>> ScratchBranch().revision_history()
530
[]
531
"""
532
return [chomp(l) for l in self.controlfile('revision-history').readlines()]
880
533
881
534
882
535
def revno(self):
884
537
885
538
That is equivalent to the number of revisions committed to
886
539
this branch.
540
541
>>> b = ScratchBranch()
542
>>> b.revno()
543
0
544
>>> b.commit('no foo')
545
>>> b.revno()
546
1
887
547
"""
888
548
return len(self.revision_history())
889
549
890
550
891
def last_revision(self):
551
def last_patch(self):
892
552
"""Return last patch hash, or None if no history.
553
554
>>> ScratchBranch().last_patch() == None
555
True
893
556
"""
894
557
ph = self.revision_history()
895
558
if ph:
896
559
return ph[-1]
897
else:
898
return None
899
900
901
def missing_revisions(self, other, stop_revision=None, diverged_ok=False):
902
"""Return a list of new revisions that would perfectly fit.
903
904
If self and other have not diverged, return a list of the revisions
905
present in other, but missing from self.
906
907
>>> from bzrlib.commit import commit
908
>>> bzrlib.trace.silent = True
909
>>> br1 = ScratchBranch()
910
>>> br2 = ScratchBranch()
911
>>> br1.missing_revisions(br2)
912
[]
913
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
914
>>> br1.missing_revisions(br2)
915
[u'REVISION-ID-1']
916
>>> br2.missing_revisions(br1)
917
[]
918
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
919
>>> br1.missing_revisions(br2)
920
[]
921
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
922
>>> br1.missing_revisions(br2)
923
[u'REVISION-ID-2A']
924
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
925
>>> br1.missing_revisions(br2)
926
Traceback (most recent call last):
927
DivergedBranches: These branches have diverged.
928
"""
929
# FIXME: If the branches have diverged, but the latest
930
# revision in this branch is completely merged into the other,
931
# then we should still be able to pull.
932
self_history = self.revision_history()
933
self_len = len(self_history)
934
other_history = other.revision_history()
935
other_len = len(other_history)
936
common_index = min(self_len, other_len) -1
937
if common_index >= 0 and \
938
self_history[common_index] != other_history[common_index]:
939
raise DivergedBranches(self, other)
940
941
if stop_revision is None:
942
stop_revision = other_len
943
else:
944
assert isinstance(stop_revision, int)
945
if stop_revision > other_len:
946
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
947
return other_history[self_len:stop_revision]
948
949
def update_revisions(self, other, stop_revision=None):
950
"""Pull in new perfect-fit revisions."""
951
from bzrlib.fetch import greedy_fetch
952
from bzrlib.revision import get_intervening_revisions
953
if stop_revision is None:
954
stop_revision = other.last_revision()
955
greedy_fetch(to_branch=self, from_branch=other,
956
revision=stop_revision)
957
pullable_revs = self.missing_revisions(
958
other, other.revision_id_to_revno(stop_revision))
959
if pullable_revs:
960
greedy_fetch(to_branch=self,
961
from_branch=other,
962
revision=pullable_revs[-1])
963
self.append_revision(*pullable_revs)
964
965
966
def commit(self, *args, **kw):
967
from bzrlib.commit import Commit
968
Commit().commit(self, *args, **kw)
969
970
def revision_id_to_revno(self, revision_id):
971
"""Given a revision id, return its revno"""
972
if revision_id is None:
973
return 0
974
history = self.revision_history()
975
try:
976
return history.index(revision_id) + 1
977
except ValueError:
978
raise bzrlib.errors.NoSuchRevision(self, revision_id)
979
980
def get_rev_id(self, revno, history=None):
981
"""Find the revision id of the specified revno."""
560
561
562
def lookup_revision(self, revno):
563
"""Return revision hash for revision number."""
982
564
if revno == 0:
983
565
return None
984
if history is None:
985
history = self.revision_history()
986
elif revno <= 0 or revno > len(history):
987
raise bzrlib.errors.NoSuchRevision(self, revno)
988
return history[revno - 1]
566
567
try:
568
# list is 0-based; revisions are 1-based
569
return self.revision_history()[revno-1]
570
except IndexError:
571
bailout("no such revision %s" % revno)
572
989
573
990
574
def revision_tree(self, revision_id):
991
575
"""Return Tree for a revision on this branch.
992
576
993
577
`revision_id` may be None for the null revision, in which case
994
578
an `EmptyTree` is returned."""
995
# TODO: refactor this to use an existing revision object
996
# so we don't need to read it in twice.
579
997
580
if revision_id == None:
998
581
return EmptyTree()
999
582
else:
1000
583
inv = self.get_revision_inventory(revision_id)
1001
return RevisionTree(self.weave_store, inv, revision_id)
584
return RevisionTree(self.text_store, inv)
1002
585
1003
586
1004
587
def working_tree(self):
1005
588
"""Return a `Tree` for the working copy."""
1006
from bzrlib.workingtree import WorkingTree
1007
# TODO: In the future, WorkingTree should utilize Transport
1008
# RobertCollins 20051003 - I don't think it should - working trees are
1009
# much more complex to keep consistent than our careful .bzr subset.
1010
# instead, we should say that working trees are local only, and optimise
1011
# for that.
1012
return WorkingTree(self._transport.base, self.read_working_inventory())
589
return WorkingTree(self.base, self.read_working_inventory())
1013
590
1014
591
1015
592
def basis_tree(self):
1016
593
"""Return `Tree` object for last revision.
1017
594
1018
595
If there are no revisions yet, return an `EmptyTree`.
1019
"""
1020
return self.revision_tree(self.last_revision())
1021
1022
1023
def rename_one(self, from_rel, to_rel):
1024
"""Rename one file.
1025
1026
This can change the directory or the filename or both.
1027
"""
1028
self.lock_write()
1029
try:
1030
tree = self.working_tree()
1031
inv = tree.inventory
1032
if not tree.has_filename(from_rel):
1033
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1034
if tree.has_filename(to_rel):
1035
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1036
1037
file_id = inv.path2id(from_rel)
1038
if file_id == None:
1039
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1040
1041
if inv.path2id(to_rel):
1042
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1043
1044
to_dir, to_tail = os.path.split(to_rel)
1045
to_dir_id = inv.path2id(to_dir)
1046
if to_dir_id == None and to_dir != '':
1047
raise BzrError("can't determine destination directory id for %r" % to_dir)
1048
1049
mutter("rename_one:")
1050
mutter(" file_id {%s}" % file_id)
1051
mutter(" from_rel %r" % from_rel)
1052
mutter(" to_rel %r" % to_rel)
1053
mutter(" to_dir %r" % to_dir)
1054
mutter(" to_dir_id {%s}" % to_dir_id)
1055
1056
inv.rename(file_id, to_dir_id, to_tail)
1057
1058
from_abs = self.abspath(from_rel)
1059
to_abs = self.abspath(to_rel)
1060
try:
1061
rename(from_abs, to_abs)
1062
except OSError, e:
1063
raise BzrError("failed to rename %r to %r: %s"
1064
% (from_abs, to_abs, e[1]),
1065
["rename rolled back"])
1066
1067
self._write_inventory(inv)
1068
finally:
1069
self.unlock()
1070
1071
1072
def move(self, from_paths, to_name):
1073
"""Rename files.
1074
1075
to_name must exist as a versioned directory.
1076
1077
If to_name exists and is a directory, the files are moved into
1078
it, keeping their old names. If it is a directory,
1079
1080
Note that to_name is only the last component of the new name;
1081
this doesn't change the directory.
1082
1083
This returns a list of (from_path, to_path) pairs for each
1084
entry that is moved.
1085
"""
1086
result = []
1087
self.lock_write()
1088
try:
1089
## TODO: Option to move IDs only
1090
assert not isinstance(from_paths, basestring)
1091
tree = self.working_tree()
1092
inv = tree.inventory
1093
to_abs = self.abspath(to_name)
1094
if not isdir(to_abs):
1095
raise BzrError("destination %r is not a directory" % to_abs)
1096
if not tree.has_filename(to_name):
1097
raise BzrError("destination %r not in working directory" % to_abs)
1098
to_dir_id = inv.path2id(to_name)
1099
if to_dir_id == None and to_name != '':
1100
raise BzrError("destination %r is not a versioned directory" % to_name)
1101
to_dir_ie = inv[to_dir_id]
1102
if to_dir_ie.kind not in ('directory', 'root_directory'):
1103
raise BzrError("destination %r is not a directory" % to_abs)
1104
1105
to_idpath = inv.get_idpath(to_dir_id)
1106
1107
for f in from_paths:
1108
if not tree.has_filename(f):
1109
raise BzrError("%r does not exist in working tree" % f)
1110
f_id = inv.path2id(f)
1111
if f_id == None:
1112
raise BzrError("%r is not versioned" % f)
1113
name_tail = splitpath(f)[-1]
1114
dest_path = appendpath(to_name, name_tail)
1115
if tree.has_filename(dest_path):
1116
raise BzrError("destination %r already exists" % dest_path)
1117
if f_id in to_idpath:
1118
raise BzrError("can't move %r to a subdirectory of itself" % f)
1119
1120
# OK, so there's a race here, it's possible that someone will
1121
# create a file in this interval and then the rename might be
1122
# left half-done. But we should have caught most problems.
1123
1124
for f in from_paths:
1125
name_tail = splitpath(f)[-1]
1126
dest_path = appendpath(to_name, name_tail)
1127
result.append((f, dest_path))
1128
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1129
try:
1130
rename(self.abspath(f), self.abspath(dest_path))
1131
except OSError, e:
1132
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1133
["rename rolled back"])
1134
1135
self._write_inventory(inv)
1136
finally:
1137
self.unlock()
1138
1139
return result
1140
1141
1142
def revert(self, filenames, old_tree=None, backups=True):
1143
"""Restore selected files to the versions from a previous tree.
1144
1145
backups
1146
If true (default) backups are made of files before
1147
they're renamed.
1148
"""
1149
from bzrlib.errors import NotVersionedError, BzrError
1150
from bzrlib.atomicfile import AtomicFile
1151
from bzrlib.osutils import backup_file
1152
1153
inv = self.read_working_inventory()
1154
if old_tree is None:
1155
old_tree = self.basis_tree()
1156
old_inv = old_tree.inventory
1157
1158
nids = []
1159
for fn in filenames:
1160
file_id = inv.path2id(fn)
1161
if not file_id:
1162
raise NotVersionedError("not a versioned file", fn)
1163
if not old_inv.has_id(file_id):
1164
raise BzrError("file not present in old tree", fn, file_id)
1165
nids.append((fn, file_id))
1166
1167
# TODO: Rename back if it was previously at a different location
1168
1169
# TODO: If given a directory, restore the entire contents from
1170
# the previous version.
1171
1172
# TODO: Make a backup to a temporary file.
1173
1174
# TODO: If the file previously didn't exist, delete it?
1175
for fn, file_id in nids:
1176
backup_file(fn)
1177
1178
f = AtomicFile(fn, 'wb')
1179
try:
1180
f.write(old_tree.get_file(file_id).read())
1181
f.commit()
1182
finally:
1183
f.close()
1184
1185
1186
def pending_merges(self):
1187
"""Return a list of pending merges.
1188
1189
These are revisions that have been merged into the working
1190
directory but not yet committed.
1191
"""
1192
cfn = self._rel_controlfilename('pending-merges')
1193
if not self._transport.has(cfn):
1194
return []
1195
p = []
1196
for l in self.controlfile('pending-merges', 'r').readlines():
1197
p.append(l.rstrip('\n'))
1198
return p
1199
1200
1201
def add_pending_merge(self, *revision_ids):
1202
# TODO: Perhaps should check at this point that the
1203
# history of the revision is actually present?
1204
p = self.pending_merges()
1205
updated = False
1206
for rev_id in revision_ids:
1207
if rev_id in p:
1208
continue
1209
p.append(rev_id)
1210
updated = True
1211
if updated:
1212
self.set_pending_merges(p)
1213
1214
def set_pending_merges(self, rev_list):
1215
self.lock_write()
1216
try:
1217
self.put_controlfile('pending-merges', '\n'.join(rev_list))
1218
finally:
1219
self.unlock()
1220
1221
1222
def get_parent(self):
1223
"""Return the parent location of the branch.
1224
1225
This is the default location for push/pull/missing. The usual
1226
pattern is that the user can override it by specifying a
1227
location.
1228
"""
1229
import errno
1230
_locs = ['parent', 'pull', 'x-pull']
1231
for l in _locs:
1232
try:
1233
return self.controlfile(l, 'r').read().strip('\n')
1234
except IOError, e:
1235
if e.errno != errno.ENOENT:
1236
raise
1237
return None
1238
1239
1240
def set_parent(self, url):
1241
# TODO: Maybe delete old location files?
1242
from bzrlib.atomicfile import AtomicFile
1243
self.lock_write()
1244
try:
1245
f = AtomicFile(self.controlfilename('parent'))
1246
try:
1247
f.write(url + '\n')
1248
f.commit()
1249
finally:
1250
f.close()
1251
finally:
1252
self.unlock()
1253
1254
def check_revno(self, revno):
1255
"""\
1256
Check whether a revno corresponds to any revision.
1257
Zero (the NULL revision) is considered valid.
1258
"""
1259
if revno != 0:
1260
self.check_real_revno(revno)
1261
1262
def check_real_revno(self, revno):
1263
"""\
1264
Check whether a revno corresponds to a real revision.
1265
Zero (the NULL revision) is considered invalid
1266
"""
1267
if revno < 1 or revno > self.revno():
1268
raise InvalidRevisionNumber(revno)
1269
1270
1271
1272
1273
1274
class ScratchBranch(_Branch):
596
597
>>> b = ScratchBranch(files=['foo'])
598
>>> b.basis_tree().has_filename('foo')
599
False
600
>>> b.working_tree().has_filename('foo')
601
True
602
>>> b.add('foo')
603
>>> b.commit('add foo')
604
>>> b.basis_tree().has_filename('foo')
605
True
606
"""
607
r = self.last_patch()
608
if r == None:
609
return EmptyTree()
610
else:
611
return RevisionTree(self.text_store, self.get_revision_inventory(r))
612
613
614
615
def write_log(self, utc=False):
616
"""Write out human-readable log of commits to this branch
617
618
:param utc: If true, show dates in universal time, not local time."""
619
## TODO: Option to choose either original, utc or local timezone
620
revno = 1
621
precursor = None
622
for p in self.revision_history():
623
print '-' * 40
624
print 'revno:', revno
625
## TODO: Show hash if --id is given.
626
##print 'revision-hash:', p
627
rev = self.get_revision(p)
628
print 'committer:', rev.committer
629
print 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0))
630
631
## opportunistic consistency check, same as check_patch_chaining
632
if rev.precursor != precursor:
633
bailout("mismatched precursor!")
634
635
print 'message:'
636
if not rev.message:
637
print ' (no message)'
638
else:
639
for l in rev.message.split('\n'):
640
print ' ' + l
641
642
revno += 1
643
precursor = p
644
645
646
647
def show_status(branch, show_all=False):
648
"""Display single-line status for non-ignored working files.
649
650
The list is show sorted in order by file name.
651
652
>>> b = ScratchBranch(files=['foo', 'foo~'])
653
>>> b.show_status()
654
? foo
655
>>> b.add('foo')
656
>>> b.show_status()
657
A foo
658
>>> b.commit("add foo")
659
>>> b.show_status()
660
661
:todo: Get state for single files.
662
663
:todo: Perhaps show a slash at the end of directory names.
664
665
"""
666
667
# We have to build everything into a list first so that it can
668
# sorted by name, incorporating all the different sources.
669
670
# FIXME: Rather than getting things in random order and then sorting,
671
# just step through in order.
672
673
# Interesting case: the old ID for a file has been removed,
674
# but a new file has been created under that name.
675
676
old = branch.basis_tree()
677
old_inv = old.inventory
678
new = branch.working_tree()
679
new_inv = new.inventory
680
681
for fs, fid, oldname, newname, kind in diff_trees(old, new):
682
if fs == 'R':
683
show_status(fs, kind,
684
oldname + ' => ' + newname)
685
elif fs == 'A' or fs == 'M':
686
show_status(fs, kind, newname)
687
elif fs == 'D':
688
show_status(fs, kind, oldname)
689
elif fs == '.':
690
if show_all:
691
show_status(fs, kind, newname)
692
elif fs == 'I':
693
if show_all:
694
show_status(fs, kind, newname)
695
elif fs == '?':
696
show_status(fs, kind, newname)
697
else:
698
bailout("wierd file state %r" % ((fs, fid),))
699
700
701
702
class ScratchBranch(Branch):
1275
703
"""Special test class: a branch that cleans up after itself.
1276
704
1277
705
>>> b = ScratchBranch()
1278
706
>>> isdir(b.base)
1279
707
True
1280
708
>>> bd = b.base
1281
>>> b.destroy()
709
>>> del b
1282
710
>>> isdir(bd)
1283
711
False
1284
712
"""
1285
def __init__(self, files=[], dirs=[], base=None):
713
def __init__(self, files = []):
1286
714
"""Make a test branch.
1287
715
1288
716
This creates a temporary directory and runs init-tree in it.
1289
717
1290
718
If any files are listed, they are created in the working copy.
1291
719
"""
1292
from tempfile import mkdtemp
1293
init = False
1294
if base is None:
1295
base = mkdtemp()
1296
init = True
1297
if isinstance(base, basestring):
1298
base = get_transport(base)
1299
_Branch.__init__(self, base, init=init)
1300
for d in dirs:
1301
self._transport.mkdir(d)
1302
720
Branch.__init__(self, tempfile.mkdtemp(), init=True)
1303
721
for f in files:
1304
self._transport.put(f, 'content of %s' % f)
1305
1306
1307
def clone(self):
1308
"""
1309
>>> orig = ScratchBranch(files=["file1", "file2"])
1310
>>> clone = orig.clone()
1311
>>> if os.name != 'nt':
1312
... os.path.samefile(orig.base, clone.base)
1313
... else:
1314
... orig.base == clone.base
1315
...
1316
False
1317
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1318
True
1319
"""
1320
from shutil import copytree
1321
from tempfile import mkdtemp
1322
base = mkdtemp()
1323
os.rmdir(base)
1324
copytree(self.base, base, symlinks=True)
1325
return ScratchBranch(base=base)
722
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
723
1326
724
1327
725
def __del__(self):
1328
self.destroy()
1329
1330
def destroy(self):
1331
726
"""Destroy the test branch, removing the scratch directory."""
1332
from shutil import rmtree
1333
try:
1334
if self.base:
1335
mutter("delete ScratchBranch %s" % self.base)
1336
rmtree(self.base)
1337
except OSError, e:
1338
# Work around for shutil.rmtree failing on Windows when
1339
# readonly files are encountered
1340
mutter("hit exception in destroying ScratchBranch: %s" % e)
1341
for root, dirs, files in os.walk(self.base, topdown=False):
1342
for name in files:
1343
os.chmod(os.path.join(root, name), 0700)
1344
rmtree(self.base)
1345
self._transport = None
727
shutil.rmtree(self.base)
1346
728
1347
729
1348
730
1358
740
## mutter('check %r for control file' % ((head, tail), ))
1359
741
if tail == bzrlib.BZRDIR:
1360
742
return True
1361
if filename == head:
1362
break
1363
743
filename = head
1364
744
return False
1365
745
1366
746
1367
747
1368
def gen_file_id(name):
748
def _gen_revision_id(when):
749
"""Return new revision-id."""
750
s = '%s-%s-' % (user_email(), compact_date(when))
751
s += hexlify(rand_bytes(8))
752
return s
753
754
755
def _gen_file_id(name):
1369
756
"""Return new file id.
1370
757
1371
758
This should probably generate proper UUIDs, but for the moment we
1372
759
cope with just randomness because running uuidgen every time is
1373
760
slow."""
1374
import re
1375
from binascii import hexlify
1376
from time import time
1377
1378
# get last component
1379
idx = name.rfind('/')
1380
if idx != -1:
1381
name = name[idx+1 : ]
1382
idx = name.rfind('\\')
1383
if idx != -1:
1384
name = name[idx+1 : ]
1385
1386
# make it not a hidden file
1387
name = name.lstrip('.')
1388
1389
# remove any wierd characters; we don't escape them but rather
1390
# just pull them out
1391
name = re.sub(r'[^\w.]', '', name)
1392
761
assert '/' not in name
762
while name[0] == '.':
763
name = name[1:]
1393
764
s = hexlify(rand_bytes(8))
1394
return '-'.join((name, compact_date(time()), s))
1395
1396
1397
def gen_root_id():
1398
"""Return a new tree-root file id."""
1399
return gen_file_id('TREE_ROOT')
765
return '-'.join((name, compact_date(time.time()), s))
1400
766
1401
767
Loggerhead is a web-based interface for Breezy
Version: 2.0.1