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- Committer: Martin Pool
- Date: 2005-05-10 06:09:58 UTC
- Revision ID: mbp@sourcefrog.net-20050510060958-59c8f450a60881d8
doc
- files added:
- bzrlib/statcache.py
- files removed:
- bzr-man.py
- bzrlib/selftest
- effbot
- effbot/org
- patches
- plugins
- plugins/changeset
- tools
- files renamed:
- contrib/bash/bzr.simple => contrib/bash/bzr
- files modified:
- .bzrignore
added
removed
bzrlib/branch.py
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import sys, os
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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.trace import mutter, note
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from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, splitpath, \
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sha_file, appendpath, file_kind
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from bzrlib.errors import BzrError
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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, \
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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, appendpath
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from store import ImmutableStore
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from revision import Revision
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from errors import bailout, BzrError
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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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def find_branch(f, **args):
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if f and (f.startswith('http://') or f.startswith('https://')):
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if f.startswith('http://') or f.startswith('https://'):
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import remotebranch
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return remotebranch.RemoteBranch(f, **args)
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else:
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return Branch(f, **args)
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def find_cached_branch(f, cache_root, **args):
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from remotebranch import RemoteBranch
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br = find_branch(f, **args)
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def cacheify(br, store_name):
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from meta_store import CachedStore
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cache_path = os.path.join(cache_root, store_name)
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os.mkdir(cache_path)
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new_store = CachedStore(getattr(br, store_name), cache_path)
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setattr(br, store_name, new_store)
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if isinstance(br, RemoteBranch):
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cacheify(br, 'inventory_store')
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cacheify(br, 'text_store')
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cacheify(br, 'revision_store')
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return br
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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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from errors import NotBranchError
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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(f=None):
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raise BzrError('%r is not in a branch' % orig_f)
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f = head
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class DivergedBranches(Exception):
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def __init__(self, branch1, branch2):
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self.branch1 = branch1
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self.branch2 = branch2
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Exception.__init__(self, "These branches have diverged.")
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class NoSuchRevision(BzrError):
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def __init__(self, branch, revision):
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self.branch = branch
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self.revision = revision
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msg = "Branch %s has no revision %d" % (branch, revision)
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BzrError.__init__(self, msg)
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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 of the branch.
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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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base = None
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_lock_mode = None
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_lock_count = None
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_lock = None
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_lockmode = 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 __init__(self, base, init=False, find_root=True):
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def __init__(self, base, init=False, find_root=True, lock_mode='w'):
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"""Create new branch object at a particular location.
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base -- Base directory for the branch.
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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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from bzrlib.store import ImmutableStore
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if init:
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self.base = os.path.realpath(base)
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self._make_control()
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else:
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self.base = os.path.realpath(base)
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if not isdir(self.controlfilename('.')):
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from errors import NotBranchError
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raise NotBranchError("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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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.lock(lock_mode)
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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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__repr__ = __str__
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def __del__(self):
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if self._lock_mode or self._lock:
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from warnings import warn
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warn("branch %r was not explicitly unlocked" % self)
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self._lock.unlock()
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def lock_write(self):
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if self._lock_mode:
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if self._lock_mode != 'w':
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from errors import LockError
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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
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else:
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from bzrlib.lock import WriteLock
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self._lock = WriteLock(self.controlfilename('branch-lock'))
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self._lock_mode = 'w'
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self._lock_count = 1
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def lock_read(self):
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if self._lock_mode:
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assert self._lock_mode in ('r', 'w'), \
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"invalid lock mode %r" % self._lock_mode
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self._lock_count += 1
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else:
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from bzrlib.lock import ReadLock
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self._lock = ReadLock(self.controlfilename('branch-lock'))
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self._lock_mode = 'r'
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self._lock_count = 1
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def lock(self, mode='w'):
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"""Lock the on-disk branch, excluding other processes."""
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try:
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import fcntl, errno
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if mode == 'w':
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lm = fcntl.LOCK_EX
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om = os.O_WRONLY | os.O_CREAT
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elif mode == 'r':
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lm = fcntl.LOCK_SH
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om = os.O_RDONLY
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else:
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raise BzrError("invalid locking mode %r" % mode)
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try:
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lockfile = os.open(self.controlfilename('branch-lock'), om)
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except OSError, e:
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if e.errno == errno.ENOENT:
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# might not exist on branches from <0.0.4
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self.controlfile('branch-lock', 'w').close()
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lockfile = os.open(self.controlfilename('branch-lock'), om)
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else:
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raise e
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def unlock(self):
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if not self._lock_mode:
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from errors import LockError
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raise LockError('branch %r is not locked' % (self))
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if self._lock_count > 1:
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self._lock_count -= 1
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else:
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self._lock.unlock()
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self._lock = None
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self._lock_mode = self._lock_count = None
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fcntl.lockf(lockfile, lm)
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def unlock():
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fcntl.lockf(lockfile, fcntl.LOCK_UN)
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os.close(lockfile)
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self._lockmode = None
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self.unlock = unlock
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self._lockmode = mode
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except ImportError:
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warning("please write a locking method for platform %r" % sys.platform)
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def unlock():
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self._lockmode = None
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self.unlock = unlock
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self._lockmode = mode
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def _need_readlock(self):
176
if self._lockmode not in ['r', 'w']:
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raise BzrError('need read lock on branch, only have %r' % self._lockmode)
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def _need_writelock(self):
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if self._lockmode not in ['w']:
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raise BzrError('need write lock on branch, only have %r' % self._lockmode)
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def abspath(self, name):
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"""Return path relative to this branch of something inside it.
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Raises an error if path is not in this branch."""
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return _relpath(self.base, path)
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rp = os.path.realpath(path)
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# FIXME: windows
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if not rp.startswith(self.base):
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bailout("path %r is not within branch %r" % (rp, self.base))
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rp = rp[len(self.base):]
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rp = rp.lstrip(os.sep)
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return rp
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def controlfilename(self, file_or_path):
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"""Return location relative to branch."""
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if isinstance(file_or_path, basestring):
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if isinstance(file_or_path, types.StringTypes):
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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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def _make_control(self):
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from bzrlib.inventory import Inventory
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from bzrlib.xml import pack_xml
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os.mkdir(self.controlfilename([]))
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self.controlfile('README', 'w').write(
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"This is a Bazaar-NG control directory.\n"
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"Do not change any files in this directory.\n")
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"Do not change any files in this directory.")
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self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
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for d in ('text-store', 'inventory-store', 'revision-store'):
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os.mkdir(self.controlfilename(d))
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for f in ('revision-history', 'merged-patches',
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'pending-merged-patches', 'branch-name',
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'branch-lock',
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'pending-merges'):
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'branch-lock'):
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self.controlfile(f, 'w').write('')
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mutter('created control directory in ' + self.base)
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pack_xml(Inventory(gen_root_id()), self.controlfile('inventory','w'))
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Inventory().write_xml(self.controlfile('inventory','w'))
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def _check_format(self):
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fmt = self.controlfile('branch-format', 'r').read()
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fmt.replace('\r\n', '')
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if fmt != BZR_BRANCH_FORMAT:
332
raise BzrError('sorry, branch format %r not supported' % fmt,
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['use a different bzr version',
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'or remove the .bzr directory and "bzr init" again'])
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def get_root_id(self):
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"""Return the id of this branches root"""
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inv = self.read_working_inventory()
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return inv.root.file_id
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def set_root_id(self, file_id):
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inv = self.read_working_inventory()
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orig_root_id = inv.root.file_id
344
del inv._byid[inv.root.file_id]
345
inv.root.file_id = file_id
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inv._byid[inv.root.file_id] = inv.root
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for fid in inv:
348
entry = inv[fid]
349
if entry.parent_id in (None, orig_root_id):
350
entry.parent_id = inv.root.file_id
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self._write_inventory(inv)
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bailout('sorry, branch format %r not supported' % fmt,
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['use a different bzr version',
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'or remove the .bzr directory and "bzr init" again'])
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def read_working_inventory(self):
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"""Read the working inventory."""
355
from bzrlib.inventory import Inventory
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from bzrlib.xml import unpack_xml
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from time import time
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before = time()
359
self.lock_read()
360
try:
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# ElementTree does its own conversion from UTF-8, so open in
362
# binary.
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inv = unpack_xml(Inventory,
364
self.controlfile('inventory', 'rb'))
365
mutter("loaded inventory of %d items in %f"
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% (len(inv), time() - before))
367
return inv
368
finally:
369
self.unlock()
370
273
self._need_readlock()
274
before = time.time()
275
# ElementTree does its own conversion from UTF-8, so open in
276
# binary.
277
inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
278
mutter("loaded inventory of %d items in %f"
279
% (len(inv), time.time() - before))
280
return inv
281
371
282
372
283
def _write_inventory(self, inv):
373
284
"""Update the working inventory.
375
286
That is to say, the inventory describing changes underway, that
376
287
will be committed to the next revision.
377
288
"""
378
from bzrlib.atomicfile import AtomicFile
379
from bzrlib.xml import pack_xml
380
381
self.lock_write()
382
try:
383
f = AtomicFile(self.controlfilename('inventory'), 'wb')
384
try:
385
pack_xml(inv, f)
386
f.commit()
387
finally:
388
f.close()
389
finally:
390
self.unlock()
391
289
self._need_writelock()
290
## TODO: factor out to atomicfile? is rename safe on windows?
291
## TODO: Maybe some kind of clean/dirty marker on inventory?
292
tmpfname = self.controlfilename('inventory.tmp')
293
tmpf = file(tmpfname, 'wb')
294
inv.write_xml(tmpf)
295
tmpf.close()
296
inv_fname = self.controlfilename('inventory')
297
if sys.platform == 'win32':
298
os.remove(inv_fname)
299
os.rename(tmpfname, inv_fname)
392
300
mutter('wrote working inventory')
393
301
394
302
395
303
inventory = property(read_working_inventory, _write_inventory, None,
396
304
"""Inventory for the working copy.""")
397
305
398
306
399
def add(self, files, verbose=False, ids=None):
307
def add(self, files, verbose=False):
400
308
"""Make files versioned.
401
309
402
310
Note that the command line normally calls smart_add instead.
404
312
This puts the files in the Added state, so that they will be
405
313
recorded by the next commit.
406
314
407
files
408
List of paths to add, relative to the base of the tree.
409
410
ids
411
If set, use these instead of automatically generated ids.
412
Must be the same length as the list of files, but may
413
contain None for ids that are to be autogenerated.
414
415
315
TODO: Perhaps have an option to add the ids even if the files do
416
not (yet) exist.
316
not (yet) exist.
417
317
418
318
TODO: Perhaps return the ids of the files? But then again it
419
is easy to retrieve them if they're needed.
319
is easy to retrieve them if they're needed.
320
321
TODO: Option to specify file id.
420
322
421
323
TODO: Adding a directory should optionally recurse down and
422
add all non-ignored children. Perhaps do that in a
423
higher-level method.
324
add all non-ignored children. Perhaps do that in a
325
higher-level method.
326
327
>>> b = ScratchBranch(files=['foo'])
328
>>> 'foo' in b.unknowns()
329
True
330
>>> b.show_status()
331
? foo
332
>>> b.add('foo')
333
>>> 'foo' in b.unknowns()
334
False
335
>>> bool(b.inventory.path2id('foo'))
336
True
337
>>> b.show_status()
338
A foo
339
340
>>> b.add('foo')
341
Traceback (most recent call last):
342
...
343
BzrError: ('foo is already versioned', [])
344
345
>>> b.add(['nothere'])
346
Traceback (most recent call last):
347
BzrError: ('cannot add: not a regular file or directory: nothere', [])
424
348
"""
425
from bzrlib.textui import show_status
349
self._need_writelock()
350
426
351
# TODO: Re-adding a file that is removed in the working copy
427
352
# should probably put it back with the previous ID.
428
if isinstance(files, basestring):
429
assert(ids is None or isinstance(ids, basestring))
353
if isinstance(files, types.StringTypes):
430
354
files = [files]
431
if ids is not None:
432
ids = [ids]
433
434
if ids is None:
435
ids = [None] * len(files)
436
else:
437
assert(len(ids) == len(files))
438
439
self.lock_write()
440
try:
441
inv = self.read_working_inventory()
442
for f,file_id in zip(files, ids):
443
if is_control_file(f):
444
raise BzrError("cannot add control file %s" % quotefn(f))
445
446
fp = splitpath(f)
447
448
if len(fp) == 0:
449
raise BzrError("cannot add top-level %r" % f)
450
451
fullpath = os.path.normpath(self.abspath(f))
452
453
try:
454
kind = file_kind(fullpath)
455
except OSError:
456
# maybe something better?
457
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
458
459
if kind != 'file' and kind != 'directory':
460
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
461
462
if file_id is None:
463
file_id = gen_file_id(f)
464
inv.add_path(f, kind=kind, file_id=file_id)
465
466
if verbose:
467
print 'added', quotefn(f)
468
469
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
470
471
self._write_inventory(inv)
472
finally:
473
self.unlock()
474
355
356
inv = self.read_working_inventory()
357
for f in files:
358
if is_control_file(f):
359
bailout("cannot add control file %s" % quotefn(f))
360
361
fp = splitpath(f)
362
363
if len(fp) == 0:
364
bailout("cannot add top-level %r" % f)
365
366
fullpath = os.path.normpath(self.abspath(f))
367
368
try:
369
kind = file_kind(fullpath)
370
except OSError:
371
# maybe something better?
372
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
373
374
if kind != 'file' and kind != 'directory':
375
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
376
377
file_id = gen_file_id(f)
378
inv.add_path(f, kind=kind, file_id=file_id)
379
380
if verbose:
381
show_status('A', kind, quotefn(f))
382
383
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
384
385
self._write_inventory(inv)
386
475
387
476
388
def print_file(self, file, revno):
477
389
"""Print `file` to stdout."""
478
self.lock_read()
479
try:
480
tree = self.revision_tree(self.lookup_revision(revno))
481
# use inventory as it was in that revision
482
file_id = tree.inventory.path2id(file)
483
if not file_id:
484
raise BzrError("%r is not present in revision %s" % (file, revno))
485
tree.print_file(file_id)
486
finally:
487
self.unlock()
488
390
self._need_readlock()
391
tree = self.revision_tree(self.lookup_revision(revno))
392
# use inventory as it was in that revision
393
file_id = tree.inventory.path2id(file)
394
if not file_id:
395
bailout("%r is not present in revision %d" % (file, revno))
396
tree.print_file(file_id)
397
489
398
490
399
def remove(self, files, verbose=False):
491
400
"""Mark nominated files for removal from the inventory.
494
403
495
404
TODO: Refuse to remove modified files unless --force is given?
496
405
406
>>> b = ScratchBranch(files=['foo'])
407
>>> b.add('foo')
408
>>> b.inventory.has_filename('foo')
409
True
410
>>> b.remove('foo')
411
>>> b.working_tree().has_filename('foo')
412
True
413
>>> b.inventory.has_filename('foo')
414
False
415
416
>>> b = ScratchBranch(files=['foo'])
417
>>> b.add('foo')
418
>>> b.commit('one')
419
>>> b.remove('foo')
420
>>> b.commit('two')
421
>>> b.inventory.has_filename('foo')
422
False
423
>>> b.basis_tree().has_filename('foo')
424
False
425
>>> b.working_tree().has_filename('foo')
426
True
427
497
428
TODO: Do something useful with directories.
498
429
499
430
TODO: Should this remove the text or not? Tough call; not
501
432
is the opposite of add. Removing it is consistent with most
502
433
other tools. Maybe an option.
503
434
"""
504
from bzrlib.textui import show_status
505
435
## TODO: Normalize names
506
436
## TODO: Remove nested loops; better scalability
507
if isinstance(files, basestring):
437
self._need_writelock()
438
439
if isinstance(files, types.StringTypes):
508
440
files = [files]
509
510
self.lock_write()
511
512
try:
513
tree = self.working_tree()
514
inv = tree.inventory
515
516
# do this before any modifications
517
for f in files:
518
fid = inv.path2id(f)
519
if not fid:
520
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
521
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
522
if verbose:
523
# having remove it, it must be either ignored or unknown
524
if tree.is_ignored(f):
525
new_status = 'I'
526
else:
527
new_status = '?'
528
show_status(new_status, inv[fid].kind, quotefn(f))
529
del inv[fid]
530
531
self._write_inventory(inv)
532
finally:
533
self.unlock()
534
535
536
# FIXME: this doesn't need to be a branch method
537
def set_inventory(self, new_inventory_list):
538
from bzrlib.inventory import Inventory, InventoryEntry
539
inv = Inventory(self.get_root_id())
540
for path, file_id, parent, kind in new_inventory_list:
541
name = os.path.basename(path)
542
if name == "":
543
continue
544
inv.add(InventoryEntry(file_id, name, kind, parent))
441
442
tree = self.working_tree()
443
inv = tree.inventory
444
445
# do this before any modifications
446
for f in files:
447
fid = inv.path2id(f)
448
if not fid:
449
bailout("cannot remove unversioned file %s" % quotefn(f))
450
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
451
if verbose:
452
# having remove it, it must be either ignored or unknown
453
if tree.is_ignored(f):
454
new_status = 'I'
455
else:
456
new_status = '?'
457
show_status(new_status, inv[fid].kind, quotefn(f))
458
del inv[fid]
459
545
460
self._write_inventory(inv)
546
461
547
462
564
479
return self.working_tree().unknowns()
565
480
566
481
567
def append_revision(self, *revision_ids):
568
from bzrlib.atomicfile import AtomicFile
569
570
for revision_id in revision_ids:
571
mutter("add {%s} to revision-history" % revision_id)
572
482
def commit(self, message, timestamp=None, timezone=None,
483
committer=None,
484
verbose=False):
485
"""Commit working copy as a new revision.
486
487
The basic approach is to add all the file texts into the
488
store, then the inventory, then make a new revision pointing
489
to that inventory and store that.
490
491
This is not quite safe if the working copy changes during the
492
commit; for the moment that is simply not allowed. A better
493
approach is to make a temporary copy of the files before
494
computing their hashes, and then add those hashes in turn to
495
the inventory. This should mean at least that there are no
496
broken hash pointers. There is no way we can get a snapshot
497
of the whole directory at an instant. This would also have to
498
be robust against files disappearing, moving, etc. So the
499
whole thing is a bit hard.
500
501
timestamp -- if not None, seconds-since-epoch for a
502
postdated/predated commit.
503
"""
504
self._need_writelock()
505
506
## TODO: Show branch names
507
508
# TODO: Don't commit if there are no changes, unless forced?
509
510
# First walk over the working inventory; and both update that
511
# and also build a new revision inventory. The revision
512
# inventory needs to hold the text-id, sha1 and size of the
513
# actual file versions committed in the revision. (These are
514
# not present in the working inventory.) We also need to
515
# detect missing/deleted files, and remove them from the
516
# working inventory.
517
518
work_inv = self.read_working_inventory()
519
inv = Inventory()
520
basis = self.basis_tree()
521
basis_inv = basis.inventory
522
missing_ids = []
523
for path, entry in work_inv.iter_entries():
524
## TODO: Cope with files that have gone missing.
525
526
## TODO: Check that the file kind has not changed from the previous
527
## revision of this file (if any).
528
529
entry = entry.copy()
530
531
p = self.abspath(path)
532
file_id = entry.file_id
533
mutter('commit prep file %s, id %r ' % (p, file_id))
534
535
if not os.path.exists(p):
536
mutter(" file is missing, removing from inventory")
537
if verbose:
538
show_status('D', entry.kind, quotefn(path))
539
missing_ids.append(file_id)
540
continue
541
542
# TODO: Handle files that have been deleted
543
544
# TODO: Maybe a special case for empty files? Seems a
545
# waste to store them many times.
546
547
inv.add(entry)
548
549
if basis_inv.has_id(file_id):
550
old_kind = basis_inv[file_id].kind
551
if old_kind != entry.kind:
552
bailout("entry %r changed kind from %r to %r"
553
% (file_id, old_kind, entry.kind))
554
555
if entry.kind == 'directory':
556
if not isdir(p):
557
bailout("%s is entered as directory but not a directory" % quotefn(p))
558
elif entry.kind == 'file':
559
if not isfile(p):
560
bailout("%s is entered as file but is not a file" % quotefn(p))
561
562
content = file(p, 'rb').read()
563
564
entry.text_sha1 = sha_string(content)
565
entry.text_size = len(content)
566
567
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
568
if (old_ie
569
and (old_ie.text_size == entry.text_size)
570
and (old_ie.text_sha1 == entry.text_sha1)):
571
## assert content == basis.get_file(file_id).read()
572
entry.text_id = basis_inv[file_id].text_id
573
mutter(' unchanged from previous text_id {%s}' %
574
entry.text_id)
575
576
else:
577
entry.text_id = gen_file_id(entry.name)
578
self.text_store.add(content, entry.text_id)
579
mutter(' stored with text_id {%s}' % entry.text_id)
580
if verbose:
581
if not old_ie:
582
state = 'A'
583
elif (old_ie.name == entry.name
584
and old_ie.parent_id == entry.parent_id):
585
state = 'M'
586
else:
587
state = 'R'
588
589
show_status(state, entry.kind, quotefn(path))
590
591
for file_id in missing_ids:
592
# have to do this later so we don't mess up the iterator.
593
# since parents may be removed before their children we
594
# have to test.
595
596
# FIXME: There's probably a better way to do this; perhaps
597
# the workingtree should know how to filter itself.
598
if work_inv.has_id(file_id):
599
del work_inv[file_id]
600
601
602
inv_id = rev_id = _gen_revision_id(time.time())
603
604
inv_tmp = tempfile.TemporaryFile()
605
inv.write_xml(inv_tmp)
606
inv_tmp.seek(0)
607
self.inventory_store.add(inv_tmp, inv_id)
608
mutter('new inventory_id is {%s}' % inv_id)
609
610
self._write_inventory(work_inv)
611
612
if timestamp == None:
613
timestamp = time.time()
614
615
if committer == None:
616
committer = username()
617
618
if timezone == None:
619
timezone = local_time_offset()
620
621
mutter("building commit log message")
622
rev = Revision(timestamp=timestamp,
623
timezone=timezone,
624
committer=committer,
625
precursor = self.last_patch(),
626
message = message,
627
inventory_id=inv_id,
628
revision_id=rev_id)
629
630
rev_tmp = tempfile.TemporaryFile()
631
rev.write_xml(rev_tmp)
632
rev_tmp.seek(0)
633
self.revision_store.add(rev_tmp, rev_id)
634
mutter("new revision_id is {%s}" % rev_id)
635
636
## XXX: Everything up to here can simply be orphaned if we abort
637
## the commit; it will leave junk files behind but that doesn't
638
## matter.
639
640
## TODO: Read back the just-generated changeset, and make sure it
641
## applies and recreates the right state.
642
643
## TODO: Also calculate and store the inventory SHA1
644
mutter("committing patch r%d" % (self.revno() + 1))
645
646
647
self.append_revision(rev_id)
648
649
if verbose:
650
note("commited r%d" % self.revno())
651
652
653
def append_revision(self, revision_id):
654
mutter("add {%s} to revision-history" % revision_id)
573
655
rev_history = self.revision_history()
574
rev_history.extend(revision_ids)
575
576
f = AtomicFile(self.controlfilename('revision-history'))
577
try:
578
for rev_id in rev_history:
579
print >>f, rev_id
580
f.commit()
581
finally:
582
f.close()
656
657
tmprhname = self.controlfilename('revision-history.tmp')
658
rhname = self.controlfilename('revision-history')
659
660
f = file(tmprhname, 'wt')
661
rev_history.append(revision_id)
662
f.write('\n'.join(rev_history))
663
f.write('\n')
664
f.close()
665
666
if sys.platform == 'win32':
667
os.remove(rhname)
668
os.rename(tmprhname, rhname)
669
583
670
584
671
585
672
def get_revision(self, revision_id):
586
673
"""Return the Revision object for a named revision"""
587
from bzrlib.revision import Revision
588
from bzrlib.xml import unpack_xml
589
590
self.lock_read()
591
try:
592
if not revision_id or not isinstance(revision_id, basestring):
593
raise ValueError('invalid revision-id: %r' % revision_id)
594
r = unpack_xml(Revision, self.revision_store[revision_id])
595
finally:
596
self.unlock()
597
674
self._need_readlock()
675
r = Revision.read_xml(self.revision_store[revision_id])
598
676
assert r.revision_id == revision_id
599
677
return r
600
601
602
def get_revision_sha1(self, revision_id):
603
"""Hash the stored value of a revision, and return it."""
604
# In the future, revision entries will be signed. At that
605
# point, it is probably best *not* to include the signature
606
# in the revision hash. Because that lets you re-sign
607
# the revision, (add signatures/remove signatures) and still
608
# have all hash pointers stay consistent.
609
# But for now, just hash the contents.
610
return sha_file(self.revision_store[revision_id])
611
678
612
679
613
680
def get_inventory(self, inventory_id):
616
683
TODO: Perhaps for this and similar methods, take a revision
617
684
parameter which can be either an integer revno or a
618
685
string hash."""
619
from bzrlib.inventory import Inventory
620
from bzrlib.xml import unpack_xml
621
622
return unpack_xml(Inventory, self.inventory_store[inventory_id])
623
624
625
def get_inventory_sha1(self, inventory_id):
626
"""Return the sha1 hash of the inventory entry
627
"""
628
return sha_file(self.inventory_store[inventory_id])
686
self._need_readlock()
687
i = Inventory.read_xml(self.inventory_store[inventory_id])
688
return i
629
689
630
690
631
691
def get_revision_inventory(self, revision_id):
632
692
"""Return inventory of a past revision."""
633
# bzr 0.0.6 imposes the constraint that the inventory_id
634
# must be the same as its revision, so this is trivial.
693
self._need_readlock()
635
694
if revision_id == None:
636
from bzrlib.inventory import Inventory
637
return Inventory(self.get_root_id())
695
return Inventory()
638
696
else:
639
return self.get_inventory(revision_id)
697
return self.get_inventory(self.get_revision(revision_id).inventory_id)
640
698
641
699
642
700
def revision_history(self):
645
703
>>> ScratchBranch().revision_history()
646
704
[]
647
705
"""
648
self.lock_read()
649
try:
650
return [l.rstrip('\r\n') for l in
651
self.controlfile('revision-history', 'r').readlines()]
652
finally:
653
self.unlock()
654
655
656
def common_ancestor(self, other, self_revno=None, other_revno=None):
657
"""
658
>>> import commit
659
>>> sb = ScratchBranch(files=['foo', 'foo~'])
660
>>> sb.common_ancestor(sb) == (None, None)
661
True
662
>>> commit.commit(sb, "Committing first revision", verbose=False)
663
>>> sb.common_ancestor(sb)[0]
664
1
665
>>> clone = sb.clone()
666
>>> commit.commit(sb, "Committing second revision", verbose=False)
667
>>> sb.common_ancestor(sb)[0]
668
2
669
>>> sb.common_ancestor(clone)[0]
670
1
671
>>> commit.commit(clone, "Committing divergent second revision",
672
... verbose=False)
673
>>> sb.common_ancestor(clone)[0]
674
1
675
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
676
True
677
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
678
True
679
>>> clone2 = sb.clone()
680
>>> sb.common_ancestor(clone2)[0]
681
2
682
>>> sb.common_ancestor(clone2, self_revno=1)[0]
683
1
684
>>> sb.common_ancestor(clone2, other_revno=1)[0]
685
1
686
"""
687
my_history = self.revision_history()
688
other_history = other.revision_history()
689
if self_revno is None:
690
self_revno = len(my_history)
691
if other_revno is None:
692
other_revno = len(other_history)
693
indices = range(min((self_revno, other_revno)))
694
indices.reverse()
695
for r in indices:
696
if my_history[r] == other_history[r]:
697
return r+1, my_history[r]
698
return None, None
706
self._need_readlock()
707
return [l.rstrip('\r\n') for l in self.controlfile('revision-history', 'r').readlines()]
708
699
709
700
710
def enum_history(self, direction):
701
711
"""Return (revno, revision_id) for history of branch.
716
726
yield i, rh[i-1]
717
727
i -= 1
718
728
else:
719
raise ValueError('invalid history direction', direction)
729
raise BzrError('invalid history direction %r' % direction)
720
730
721
731
722
732
def revno(self):
724
734
725
735
That is equivalent to the number of revisions committed to
726
736
this branch.
737
738
>>> b = ScratchBranch()
739
>>> b.revno()
740
0
741
>>> b.commit('no foo')
742
>>> b.revno()
743
1
727
744
"""
728
745
return len(self.revision_history())
729
746
730
747
731
748
def last_patch(self):
732
749
"""Return last patch hash, or None if no history.
750
751
>>> ScratchBranch().last_patch() == None
752
True
733
753
"""
734
754
ph = self.revision_history()
735
755
if ph:
736
756
return ph[-1]
737
757
else:
738
758
return None
739
740
741
def missing_revisions(self, other, stop_revision=None):
742
"""
743
If self and other have not diverged, return a list of the revisions
744
present in other, but missing from self.
745
746
>>> from bzrlib.commit import commit
747
>>> bzrlib.trace.silent = True
748
>>> br1 = ScratchBranch()
749
>>> br2 = ScratchBranch()
750
>>> br1.missing_revisions(br2)
751
[]
752
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
753
>>> br1.missing_revisions(br2)
754
[u'REVISION-ID-1']
755
>>> br2.missing_revisions(br1)
756
[]
757
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
758
>>> br1.missing_revisions(br2)
759
[]
760
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
761
>>> br1.missing_revisions(br2)
762
[u'REVISION-ID-2A']
763
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
764
>>> br1.missing_revisions(br2)
765
Traceback (most recent call last):
766
DivergedBranches: These branches have diverged.
767
"""
768
self_history = self.revision_history()
769
self_len = len(self_history)
770
other_history = other.revision_history()
771
other_len = len(other_history)
772
common_index = min(self_len, other_len) -1
773
if common_index >= 0 and \
774
self_history[common_index] != other_history[common_index]:
775
raise DivergedBranches(self, other)
776
777
if stop_revision is None:
778
stop_revision = other_len
779
elif stop_revision > other_len:
780
raise NoSuchRevision(self, stop_revision)
781
782
return other_history[self_len:stop_revision]
783
784
785
def update_revisions(self, other, stop_revision=None):
786
"""Pull in all new revisions from other branch.
787
788
>>> from bzrlib.commit import commit
789
>>> bzrlib.trace.silent = True
790
>>> br1 = ScratchBranch(files=['foo', 'bar'])
791
>>> br1.add('foo')
792
>>> br1.add('bar')
793
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
794
>>> br2 = ScratchBranch()
795
>>> br2.update_revisions(br1)
796
Added 2 texts.
797
Added 1 inventories.
798
Added 1 revisions.
799
>>> br2.revision_history()
800
[u'REVISION-ID-1']
801
>>> br2.update_revisions(br1)
802
Added 0 texts.
803
Added 0 inventories.
804
Added 0 revisions.
805
>>> br1.text_store.total_size() == br2.text_store.total_size()
806
True
807
"""
808
from bzrlib.progress import ProgressBar
809
try:
810
set
811
except NameError:
812
from sets import Set as set
813
814
pb = ProgressBar()
815
816
pb.update('comparing histories')
817
revision_ids = self.missing_revisions(other, stop_revision)
818
819
if hasattr(other.revision_store, "prefetch"):
820
other.revision_store.prefetch(revision_ids)
821
if hasattr(other.inventory_store, "prefetch"):
822
inventory_ids = [other.get_revision(r).inventory_id
823
for r in revision_ids]
824
other.inventory_store.prefetch(inventory_ids)
825
826
revisions = []
827
needed_texts = set()
828
i = 0
829
for rev_id in revision_ids:
830
i += 1
831
pb.update('fetching revision', i, len(revision_ids))
832
rev = other.get_revision(rev_id)
833
revisions.append(rev)
834
inv = other.get_inventory(str(rev.inventory_id))
835
for key, entry in inv.iter_entries():
836
if entry.text_id is None:
837
continue
838
if entry.text_id not in self.text_store:
839
needed_texts.add(entry.text_id)
840
841
pb.clear()
842
843
count = self.text_store.copy_multi(other.text_store, needed_texts)
844
print "Added %d texts." % count
845
inventory_ids = [ f.inventory_id for f in revisions ]
846
count = self.inventory_store.copy_multi(other.inventory_store,
847
inventory_ids)
848
print "Added %d inventories." % count
849
revision_ids = [ f.revision_id for f in revisions]
850
count = self.revision_store.copy_multi(other.revision_store,
851
revision_ids)
852
for revision_id in revision_ids:
853
self.append_revision(revision_id)
854
print "Added %d revisions." % count
855
856
857
def commit(self, *args, **kw):
858
from bzrlib.commit import commit
859
commit(self, *args, **kw)
860
861
862
def lookup_revision(self, revision):
863
"""Return the revision identifier for a given revision information."""
864
revno, info = self.get_revision_info(revision)
865
return info
866
867
def get_revision_info(self, revision):
868
"""Return (revno, revision id) for revision identifier.
869
870
revision can be an integer, in which case it is assumed to be revno (though
871
this will translate negative values into positive ones)
872
revision can also be a string, in which case it is parsed for something like
873
'date:' or 'revid:' etc.
874
"""
875
if revision is None:
876
return 0, None
877
revno = None
878
try:# Convert to int if possible
879
revision = int(revision)
880
except ValueError:
881
pass
882
revs = self.revision_history()
883
if isinstance(revision, int):
884
if revision == 0:
885
return 0, None
886
# Mabye we should do this first, but we don't need it if revision == 0
887
if revision < 0:
888
revno = len(revs) + revision + 1
889
else:
890
revno = revision
891
elif isinstance(revision, basestring):
892
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
893
if revision.startswith(prefix):
894
revno = func(self, revs, revision)
895
break
896
else:
897
raise BzrError('No namespace registered for string: %r' % revision)
898
899
if revno is None or revno <= 0 or revno > len(revs):
900
raise BzrError("no such revision %s" % revision)
901
return revno, revs[revno-1]
902
903
def _namespace_revno(self, revs, revision):
904
"""Lookup a revision by revision number"""
905
assert revision.startswith('revno:')
906
try:
907
return int(revision[6:])
908
except ValueError:
909
return None
910
REVISION_NAMESPACES['revno:'] = _namespace_revno
911
912
def _namespace_revid(self, revs, revision):
913
assert revision.startswith('revid:')
914
try:
915
return revs.index(revision[6:]) + 1
916
except ValueError:
917
return None
918
REVISION_NAMESPACES['revid:'] = _namespace_revid
919
920
def _namespace_last(self, revs, revision):
921
assert revision.startswith('last:')
922
try:
923
offset = int(revision[5:])
924
except ValueError:
925
return None
926
else:
927
if offset <= 0:
928
raise BzrError('You must supply a positive value for --revision last:XXX')
929
return len(revs) - offset + 1
930
REVISION_NAMESPACES['last:'] = _namespace_last
931
932
def _namespace_tag(self, revs, revision):
933
assert revision.startswith('tag:')
934
raise BzrError('tag: namespace registered, but not implemented.')
935
REVISION_NAMESPACES['tag:'] = _namespace_tag
936
937
def _namespace_date(self, revs, revision):
938
assert revision.startswith('date:')
939
import datetime
940
# Spec for date revisions:
941
# date:value
942
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
943
# it can also start with a '+/-/='. '+' says match the first
944
# entry after the given date. '-' is match the first entry before the date
945
# '=' is match the first entry after, but still on the given date.
946
#
947
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
948
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
949
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
950
# May 13th, 2005 at 0:00
951
#
952
# So the proper way of saying 'give me all entries for today' is:
953
# -r {date:+today}:{date:-tomorrow}
954
# The default is '=' when not supplied
955
val = revision[5:]
956
match_style = '='
957
if val[:1] in ('+', '-', '='):
958
match_style = val[:1]
959
val = val[1:]
960
961
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
962
if val.lower() == 'yesterday':
963
dt = today - datetime.timedelta(days=1)
964
elif val.lower() == 'today':
965
dt = today
966
elif val.lower() == 'tomorrow':
967
dt = today + datetime.timedelta(days=1)
968
else:
969
import re
970
# This should be done outside the function to avoid recompiling it.
971
_date_re = re.compile(
972
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
973
r'(,|T)?\s*'
974
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
975
)
976
m = _date_re.match(val)
977
if not m or (not m.group('date') and not m.group('time')):
978
raise BzrError('Invalid revision date %r' % revision)
979
980
if m.group('date'):
981
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
982
else:
983
year, month, day = today.year, today.month, today.day
984
if m.group('time'):
985
hour = int(m.group('hour'))
986
minute = int(m.group('minute'))
987
if m.group('second'):
988
second = int(m.group('second'))
989
else:
990
second = 0
991
else:
992
hour, minute, second = 0,0,0
993
994
dt = datetime.datetime(year=year, month=month, day=day,
995
hour=hour, minute=minute, second=second)
996
first = dt
997
last = None
998
reversed = False
999
if match_style == '-':
1000
reversed = True
1001
elif match_style == '=':
1002
last = dt + datetime.timedelta(days=1)
1003
1004
if reversed:
1005
for i in range(len(revs)-1, -1, -1):
1006
r = self.get_revision(revs[i])
1007
# TODO: Handle timezone.
1008
dt = datetime.datetime.fromtimestamp(r.timestamp)
1009
if first >= dt and (last is None or dt >= last):
1010
return i+1
1011
else:
1012
for i in range(len(revs)):
1013
r = self.get_revision(revs[i])
1014
# TODO: Handle timezone.
1015
dt = datetime.datetime.fromtimestamp(r.timestamp)
1016
if first <= dt and (last is None or dt <= last):
1017
return i+1
1018
REVISION_NAMESPACES['date:'] = _namespace_date
759
760
761
def lookup_revision(self, revno):
762
"""Return revision hash for revision number."""
763
if revno == 0:
764
return None
765
766
try:
767
# list is 0-based; revisions are 1-based
768
return self.revision_history()[revno-1]
769
except IndexError:
770
raise BzrError("no such revision %s" % revno)
771
1019
772
1020
773
def revision_tree(self, revision_id):
1021
774
"""Return Tree for a revision on this branch.
1022
775
1023
776
`revision_id` may be None for the null revision, in which case
1024
777
an `EmptyTree` is returned."""
1025
from bzrlib.tree import EmptyTree, RevisionTree
1026
# TODO: refactor this to use an existing revision object
1027
# so we don't need to read it in twice.
778
self._need_readlock()
1028
779
if revision_id == None:
1029
return EmptyTree(self.get_root_id())
780
return EmptyTree()
1030
781
else:
1031
782
inv = self.get_revision_inventory(revision_id)
1032
783
return RevisionTree(self.text_store, inv)
1034
785
1035
786
def working_tree(self):
1036
787
"""Return a `Tree` for the working copy."""
1037
from workingtree import WorkingTree
1038
788
return WorkingTree(self.base, self.read_working_inventory())
1039
789
1040
790
1042
792
"""Return `Tree` object for last revision.
1043
793
1044
794
If there are no revisions yet, return an `EmptyTree`.
795
796
>>> b = ScratchBranch(files=['foo'])
797
>>> b.basis_tree().has_filename('foo')
798
False
799
>>> b.working_tree().has_filename('foo')
800
True
801
>>> b.add('foo')
802
>>> b.commit('add foo')
803
>>> b.basis_tree().has_filename('foo')
804
True
1045
805
"""
1046
from bzrlib.tree import EmptyTree, RevisionTree
1047
806
r = self.last_patch()
1048
807
if r == None:
1049
return EmptyTree(self.get_root_id())
808
return EmptyTree()
1050
809
else:
1051
810
return RevisionTree(self.text_store, self.get_revision_inventory(r))
1052
811
1057
816
1058
817
This can change the directory or the filename or both.
1059
818
"""
1060
self.lock_write()
819
self._need_writelock()
820
tree = self.working_tree()
821
inv = tree.inventory
822
if not tree.has_filename(from_rel):
823
bailout("can't rename: old working file %r does not exist" % from_rel)
824
if tree.has_filename(to_rel):
825
bailout("can't rename: new working file %r already exists" % to_rel)
826
827
file_id = inv.path2id(from_rel)
828
if file_id == None:
829
bailout("can't rename: old name %r is not versioned" % from_rel)
830
831
if inv.path2id(to_rel):
832
bailout("can't rename: new name %r is already versioned" % to_rel)
833
834
to_dir, to_tail = os.path.split(to_rel)
835
to_dir_id = inv.path2id(to_dir)
836
if to_dir_id == None and to_dir != '':
837
bailout("can't determine destination directory id for %r" % to_dir)
838
839
mutter("rename_one:")
840
mutter(" file_id {%s}" % file_id)
841
mutter(" from_rel %r" % from_rel)
842
mutter(" to_rel %r" % to_rel)
843
mutter(" to_dir %r" % to_dir)
844
mutter(" to_dir_id {%s}" % to_dir_id)
845
846
inv.rename(file_id, to_dir_id, to_tail)
847
848
print "%s => %s" % (from_rel, to_rel)
849
850
from_abs = self.abspath(from_rel)
851
to_abs = self.abspath(to_rel)
1061
852
try:
1062
tree = self.working_tree()
1063
inv = tree.inventory
1064
if not tree.has_filename(from_rel):
1065
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1066
if tree.has_filename(to_rel):
1067
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1068
1069
file_id = inv.path2id(from_rel)
1070
if file_id == None:
1071
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1072
1073
if inv.path2id(to_rel):
1074
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1075
1076
to_dir, to_tail = os.path.split(to_rel)
1077
to_dir_id = inv.path2id(to_dir)
1078
if to_dir_id == None and to_dir != '':
1079
raise BzrError("can't determine destination directory id for %r" % to_dir)
1080
1081
mutter("rename_one:")
1082
mutter(" file_id {%s}" % file_id)
1083
mutter(" from_rel %r" % from_rel)
1084
mutter(" to_rel %r" % to_rel)
1085
mutter(" to_dir %r" % to_dir)
1086
mutter(" to_dir_id {%s}" % to_dir_id)
1087
1088
inv.rename(file_id, to_dir_id, to_tail)
1089
1090
print "%s => %s" % (from_rel, to_rel)
1091
1092
from_abs = self.abspath(from_rel)
1093
to_abs = self.abspath(to_rel)
1094
try:
1095
os.rename(from_abs, to_abs)
1096
except OSError, e:
1097
raise BzrError("failed to rename %r to %r: %s"
1098
% (from_abs, to_abs, e[1]),
1099
["rename rolled back"])
1100
1101
self._write_inventory(inv)
1102
finally:
1103
self.unlock()
853
os.rename(from_abs, to_abs)
854
except OSError, e:
855
bailout("failed to rename %r to %r: %s"
856
% (from_abs, to_abs, e[1]),
857
["rename rolled back"])
858
859
self._write_inventory(inv)
860
1104
861
1105
862
1106
863
def move(self, from_paths, to_name):
1114
871
Note that to_name is only the last component of the new name;
1115
872
this doesn't change the directory.
1116
873
"""
1117
self.lock_write()
1118
try:
1119
## TODO: Option to move IDs only
1120
assert not isinstance(from_paths, basestring)
1121
tree = self.working_tree()
1122
inv = tree.inventory
1123
to_abs = self.abspath(to_name)
1124
if not isdir(to_abs):
1125
raise BzrError("destination %r is not a directory" % to_abs)
1126
if not tree.has_filename(to_name):
1127
raise BzrError("destination %r not in working directory" % to_abs)
1128
to_dir_id = inv.path2id(to_name)
1129
if to_dir_id == None and to_name != '':
1130
raise BzrError("destination %r is not a versioned directory" % to_name)
1131
to_dir_ie = inv[to_dir_id]
1132
if to_dir_ie.kind not in ('directory', 'root_directory'):
1133
raise BzrError("destination %r is not a directory" % to_abs)
1134
1135
to_idpath = inv.get_idpath(to_dir_id)
1136
1137
for f in from_paths:
1138
if not tree.has_filename(f):
1139
raise BzrError("%r does not exist in working tree" % f)
1140
f_id = inv.path2id(f)
1141
if f_id == None:
1142
raise BzrError("%r is not versioned" % f)
1143
name_tail = splitpath(f)[-1]
1144
dest_path = appendpath(to_name, name_tail)
1145
if tree.has_filename(dest_path):
1146
raise BzrError("destination %r already exists" % dest_path)
1147
if f_id in to_idpath:
1148
raise BzrError("can't move %r to a subdirectory of itself" % f)
1149
1150
# OK, so there's a race here, it's possible that someone will
1151
# create a file in this interval and then the rename might be
1152
# left half-done. But we should have caught most problems.
1153
1154
for f in from_paths:
1155
name_tail = splitpath(f)[-1]
1156
dest_path = appendpath(to_name, name_tail)
1157
print "%s => %s" % (f, dest_path)
1158
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1159
try:
1160
os.rename(self.abspath(f), self.abspath(dest_path))
1161
except OSError, e:
1162
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1163
["rename rolled back"])
1164
1165
self._write_inventory(inv)
1166
finally:
1167
self.unlock()
1168
1169
1170
def revert(self, filenames, old_tree=None, backups=True):
1171
"""Restore selected files to the versions from a previous tree.
1172
1173
backups
1174
If true (default) backups are made of files before
1175
they're renamed.
1176
"""
1177
from bzrlib.errors import NotVersionedError, BzrError
1178
from bzrlib.atomicfile import AtomicFile
1179
from bzrlib.osutils import backup_file
1180
1181
inv = self.read_working_inventory()
1182
if old_tree is None:
1183
old_tree = self.basis_tree()
1184
old_inv = old_tree.inventory
1185
1186
nids = []
1187
for fn in filenames:
1188
file_id = inv.path2id(fn)
1189
if not file_id:
1190
raise NotVersionedError("not a versioned file", fn)
1191
if not old_inv.has_id(file_id):
1192
raise BzrError("file not present in old tree", fn, file_id)
1193
nids.append((fn, file_id))
1194
1195
# TODO: Rename back if it was previously at a different location
1196
1197
# TODO: If given a directory, restore the entire contents from
1198
# the previous version.
1199
1200
# TODO: Make a backup to a temporary file.
1201
1202
# TODO: If the file previously didn't exist, delete it?
1203
for fn, file_id in nids:
1204
backup_file(fn)
1205
1206
f = AtomicFile(fn, 'wb')
1207
try:
1208
f.write(old_tree.get_file(file_id).read())
1209
f.commit()
1210
finally:
1211
f.close()
1212
1213
1214
def pending_merges(self):
1215
"""Return a list of pending merges.
1216
1217
These are revisions that have been merged into the working
1218
directory but not yet committed.
1219
"""
1220
cfn = self.controlfilename('pending-merges')
1221
if not os.path.exists(cfn):
1222
return []
1223
p = []
1224
for l in self.controlfile('pending-merges', 'r').readlines():
1225
p.append(l.rstrip('\n'))
1226
return p
1227
1228
1229
def add_pending_merge(self, revision_id):
1230
from bzrlib.revision import validate_revision_id
1231
1232
validate_revision_id(revision_id)
1233
1234
p = self.pending_merges()
1235
if revision_id in p:
1236
return
1237
p.append(revision_id)
1238
self.set_pending_merges(p)
1239
1240
1241
def set_pending_merges(self, rev_list):
1242
from bzrlib.atomicfile import AtomicFile
1243
self.lock_write()
1244
try:
1245
f = AtomicFile(self.controlfilename('pending-merges'))
1246
try:
1247
for l in rev_list:
1248
print >>f, l
1249
f.commit()
1250
finally:
1251
f.close()
1252
finally:
1253
self.unlock()
1254
874
self._need_writelock()
875
## TODO: Option to move IDs only
876
assert not isinstance(from_paths, basestring)
877
tree = self.working_tree()
878
inv = tree.inventory
879
to_abs = self.abspath(to_name)
880
if not isdir(to_abs):
881
bailout("destination %r is not a directory" % to_abs)
882
if not tree.has_filename(to_name):
883
bailout("destination %r not in working directory" % to_abs)
884
to_dir_id = inv.path2id(to_name)
885
if to_dir_id == None and to_name != '':
886
bailout("destination %r is not a versioned directory" % to_name)
887
to_dir_ie = inv[to_dir_id]
888
if to_dir_ie.kind not in ('directory', 'root_directory'):
889
bailout("destination %r is not a directory" % to_abs)
890
891
to_idpath = Set(inv.get_idpath(to_dir_id))
892
893
for f in from_paths:
894
if not tree.has_filename(f):
895
bailout("%r does not exist in working tree" % f)
896
f_id = inv.path2id(f)
897
if f_id == None:
898
bailout("%r is not versioned" % f)
899
name_tail = splitpath(f)[-1]
900
dest_path = appendpath(to_name, name_tail)
901
if tree.has_filename(dest_path):
902
bailout("destination %r already exists" % dest_path)
903
if f_id in to_idpath:
904
bailout("can't move %r to a subdirectory of itself" % f)
905
906
# OK, so there's a race here, it's possible that someone will
907
# create a file in this interval and then the rename might be
908
# left half-done. But we should have caught most problems.
909
910
for f in from_paths:
911
name_tail = splitpath(f)[-1]
912
dest_path = appendpath(to_name, name_tail)
913
print "%s => %s" % (f, dest_path)
914
inv.rename(inv.path2id(f), to_dir_id, name_tail)
915
try:
916
os.rename(self.abspath(f), self.abspath(dest_path))
917
except OSError, e:
918
bailout("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
919
["rename rolled back"])
920
921
self._write_inventory(inv)
922
923
924
925
def show_status(self, show_all=False, file_list=None):
926
"""Display single-line status for non-ignored working files.
927
928
The list is show sorted in order by file name.
929
930
>>> b = ScratchBranch(files=['foo', 'foo~'])
931
>>> b.show_status()
932
? foo
933
>>> b.add('foo')
934
>>> b.show_status()
935
A foo
936
>>> b.commit("add foo")
937
>>> b.show_status()
938
>>> os.unlink(b.abspath('foo'))
939
>>> b.show_status()
940
D foo
941
"""
942
self._need_readlock()
943
944
# We have to build everything into a list first so that it can
945
# sorted by name, incorporating all the different sources.
946
947
# FIXME: Rather than getting things in random order and then sorting,
948
# just step through in order.
949
950
# Interesting case: the old ID for a file has been removed,
951
# but a new file has been created under that name.
952
953
old = self.basis_tree()
954
new = self.working_tree()
955
956
items = diff_trees(old, new)
957
# We want to filter out only if any file was provided in the file_list.
958
if isinstance(file_list, list) and len(file_list):
959
items = [item for item in items if item[3] in file_list]
960
961
for fs, fid, oldname, newname, kind in items:
962
if fs == 'R':
963
show_status(fs, kind,
964
oldname + ' => ' + newname)
965
elif fs == 'A' or fs == 'M':
966
show_status(fs, kind, newname)
967
elif fs == 'D':
968
show_status(fs, kind, oldname)
969
elif fs == '.':
970
if show_all:
971
show_status(fs, kind, newname)
972
elif fs == 'I':
973
if show_all:
974
show_status(fs, kind, newname)
975
elif fs == '?':
976
show_status(fs, kind, newname)
977
else:
978
bailout("weird file state %r" % ((fs, fid),))
979
1255
980
1256
981
1257
982
class ScratchBranch(Branch):
1265
990
>>> isdir(bd)
1266
991
False
1267
992
"""
1268
def __init__(self, files=[], dirs=[], base=None):
993
def __init__(self, files=[], dirs=[]):
1269
994
"""Make a test branch.
1270
995
1271
996
This creates a temporary directory and runs init-tree in it.
1272
997
1273
998
If any files are listed, they are created in the working copy.
1274
999
"""
1275
from tempfile import mkdtemp
1276
init = False
1277
if base is None:
1278
base = mkdtemp()
1279
init = True
1280
Branch.__init__(self, base, init=init)
1000
Branch.__init__(self, tempfile.mkdtemp(), init=True)
1281
1001
for d in dirs:
1282
1002
os.mkdir(self.abspath(d))
1283
1003
1285
1005
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1286
1006
1287
1007
1288
def clone(self):
1289
"""
1290
>>> orig = ScratchBranch(files=["file1", "file2"])
1291
>>> clone = orig.clone()
1292
>>> os.path.samefile(orig.base, clone.base)
1293
False
1294
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1295
True
1296
"""
1297
from shutil import copytree
1298
from tempfile import mkdtemp
1299
base = mkdtemp()
1300
os.rmdir(base)
1301
copytree(self.base, base, symlinks=True)
1302
return ScratchBranch(base=base)
1303
1304
1008
def __del__(self):
1305
1009
self.destroy()
1306
1010
1307
1011
def destroy(self):
1308
1012
"""Destroy the test branch, removing the scratch directory."""
1309
from shutil import rmtree
1310
1013
try:
1311
if self.base:
1312
mutter("delete ScratchBranch %s" % self.base)
1313
rmtree(self.base)
1014
mutter("delete ScratchBranch %s" % self.base)
1015
shutil.rmtree(self.base)
1314
1016
except OSError, e:
1315
1017
# Work around for shutil.rmtree failing on Windows when
1316
1018
# readonly files are encountered
1318
1020
for root, dirs, files in os.walk(self.base, topdown=False):
1319
1021
for name in files:
1320
1022
os.chmod(os.path.join(root, name), 0700)
1321
rmtree(self.base)
1023
shutil.rmtree(self.base)
1322
1024
self.base = None
1323
1025
1324
1026
1342
1044
1343
1045
1344
1046
1047
def _gen_revision_id(when):
1048
"""Return new revision-id."""
1049
s = '%s-%s-' % (user_email(), compact_date(when))
1050
s += hexlify(rand_bytes(8))
1051
return s
1052
1053
1345
1054
def gen_file_id(name):
1346
1055
"""Return new file id.
1347
1056
1348
1057
This should probably generate proper UUIDs, but for the moment we
1349
1058
cope with just randomness because running uuidgen every time is
1350
1059
slow."""
1351
import re
1352
from binascii import hexlify
1353
from time import time
1354
1355
# get last component
1356
1060
idx = name.rfind('/')
1357
1061
if idx != -1:
1358
1062
name = name[idx+1 : ]
1360
1064
if idx != -1:
1361
1065
name = name[idx+1 : ]
1362
1066
1363
# make it not a hidden file
1364
1067
name = name.lstrip('.')
1365
1068
1366
# remove any wierd characters; we don't escape them but rather
1367
# just pull them out
1368
name = re.sub(r'[^\w.]', '', name)
1369
1370
1069
s = hexlify(rand_bytes(8))
1371
return '-'.join((name, compact_date(time()), s))
1372
1373
1374
def gen_root_id():
1375
"""Return a new tree-root file id."""
1376
return gen_file_id('TREE_ROOT')
1377
1070
return '-'.join((name, compact_date(time.time()), s))
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Version: 2.0.1