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- Committer: Martin Pool
- Date: 2005-05-11 08:07:56 UTC
- Revision ID: mbp@sourcefrog.net-20050511080756-ce1fdb2d72f5e028
- more status form test fixes
- files added:
- bzrlib/statcache.py
- files removed:
- bzr-man.py
- bzrlib/selftest
- contrib/emacs
- 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
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import 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, \
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splitpath, \
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sha_file, appendpath, file_kind
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from bzrlib.errors import BzrError, InvalidRevisionNumber, InvalidRevisionId
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import bzrlib.errors
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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.xml import unpack_xml
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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 inventory import Inventory
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from trace import mutter, note
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from tree import Tree, EmptyTree, RevisionTree
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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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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.
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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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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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######################################################################
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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:
152
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):
243
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():
161
fcntl.lockf(lockfile, fcntl.LOCK_UN)
162
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:
167
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):
175
if self._lockmode not in ['r', 'w']:
176
raise BzrError('need read lock on branch, only have %r' % self._lockmode)
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def _need_writelock(self):
179
if self._lockmode not in ['w']:
180
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):
302
from bzrlib.inventory import Inventory
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from bzrlib.xml import pack_xml
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305
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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'):
245
'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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319
pack_xml(Inventory(gen_root_id()), self.controlfile('inventory','w'))
248
Inventory().write_xml(self.controlfile('inventory','w'))
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def _check_format(self):
333
262
fmt = self.controlfile('branch-format', 'r').read()
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263
fmt.replace('\r\n', '')
335
264
if fmt != BZR_BRANCH_FORMAT:
336
raise BzrError('sorry, branch format %r not supported' % fmt,
337
['use a different bzr version',
338
'or remove the .bzr directory and "bzr init" again'])
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340
def get_root_id(self):
341
"""Return the id of this branches root"""
342
inv = self.read_working_inventory()
343
return inv.root.file_id
344
345
def set_root_id(self, file_id):
346
inv = self.read_working_inventory()
347
orig_root_id = inv.root.file_id
348
del inv._byid[inv.root.file_id]
349
inv.root.file_id = file_id
350
inv._byid[inv.root.file_id] = inv.root
351
for fid in inv:
352
entry = inv[fid]
353
if entry.parent_id in (None, orig_root_id):
354
entry.parent_id = inv.root.file_id
355
self._write_inventory(inv)
265
bailout('sorry, branch format %r not supported' % fmt,
266
['use a different bzr version',
267
'or remove the .bzr directory and "bzr init" again'])
268
356
269
357
270
def read_working_inventory(self):
358
271
"""Read the working inventory."""
359
from bzrlib.inventory import Inventory
360
from bzrlib.xml import unpack_xml
361
from time import time
362
before = time()
363
self.lock_read()
364
try:
365
# ElementTree does its own conversion from UTF-8, so open in
366
# binary.
367
inv = unpack_xml(Inventory,
368
self.controlfile('inventory', 'rb'))
369
mutter("loaded inventory of %d items in %f"
370
% (len(inv), time() - before))
371
return inv
372
finally:
373
self.unlock()
374
272
self._need_readlock()
273
before = time.time()
274
# ElementTree does its own conversion from UTF-8, so open in
275
# binary.
276
inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
277
mutter("loaded inventory of %d items in %f"
278
% (len(inv), time.time() - before))
279
return inv
280
375
281
376
282
def _write_inventory(self, inv):
377
283
"""Update the working inventory.
379
285
That is to say, the inventory describing changes underway, that
380
286
will be committed to the next revision.
381
287
"""
382
from bzrlib.atomicfile import AtomicFile
383
from bzrlib.xml import pack_xml
384
385
self.lock_write()
386
try:
387
f = AtomicFile(self.controlfilename('inventory'), 'wb')
388
try:
389
pack_xml(inv, f)
390
f.commit()
391
finally:
392
f.close()
393
finally:
394
self.unlock()
395
288
self._need_writelock()
289
## TODO: factor out to atomicfile? is rename safe on windows?
290
## TODO: Maybe some kind of clean/dirty marker on inventory?
291
tmpfname = self.controlfilename('inventory.tmp')
292
tmpf = file(tmpfname, 'wb')
293
inv.write_xml(tmpf)
294
tmpf.close()
295
inv_fname = self.controlfilename('inventory')
296
if sys.platform == 'win32':
297
os.remove(inv_fname)
298
os.rename(tmpfname, inv_fname)
396
299
mutter('wrote working inventory')
397
300
398
301
399
302
inventory = property(read_working_inventory, _write_inventory, None,
400
303
"""Inventory for the working copy.""")
401
304
402
305
403
def add(self, files, verbose=False, ids=None):
306
def add(self, files, verbose=False):
404
307
"""Make files versioned.
405
308
406
309
Note that the command line normally calls smart_add instead.
408
311
This puts the files in the Added state, so that they will be
409
312
recorded by the next commit.
410
313
411
files
412
List of paths to add, relative to the base of the tree.
413
414
ids
415
If set, use these instead of automatically generated ids.
416
Must be the same length as the list of files, but may
417
contain None for ids that are to be autogenerated.
418
419
314
TODO: Perhaps have an option to add the ids even if the files do
420
not (yet) exist.
315
not (yet) exist.
421
316
422
317
TODO: Perhaps return the ids of the files? But then again it
423
is easy to retrieve them if they're needed.
318
is easy to retrieve them if they're needed.
319
320
TODO: Option to specify file id.
424
321
425
322
TODO: Adding a directory should optionally recurse down and
426
add all non-ignored children. Perhaps do that in a
427
higher-level method.
323
add all non-ignored children. Perhaps do that in a
324
higher-level method.
325
326
>>> b = ScratchBranch(files=['foo'])
327
>>> 'foo' in b.unknowns()
328
True
329
>>> b.show_status()
330
? foo
331
>>> b.add('foo')
332
>>> 'foo' in b.unknowns()
333
False
334
>>> bool(b.inventory.path2id('foo'))
335
True
336
>>> b.show_status()
337
A foo
338
339
>>> b.add('foo')
340
Traceback (most recent call last):
341
...
342
BzrError: ('foo is already versioned', [])
343
344
>>> b.add(['nothere'])
345
Traceback (most recent call last):
346
BzrError: ('cannot add: not a regular file or directory: nothere', [])
428
347
"""
348
self._need_writelock()
349
429
350
# TODO: Re-adding a file that is removed in the working copy
430
351
# should probably put it back with the previous ID.
431
if isinstance(files, basestring):
432
assert(ids is None or isinstance(ids, basestring))
352
if isinstance(files, types.StringTypes):
433
353
files = [files]
434
if ids is not None:
435
ids = [ids]
436
437
if ids is None:
438
ids = [None] * len(files)
439
else:
440
assert(len(ids) == len(files))
441
442
self.lock_write()
443
try:
444
inv = self.read_working_inventory()
445
for f,file_id in zip(files, ids):
446
if is_control_file(f):
447
raise BzrError("cannot add control file %s" % quotefn(f))
448
449
fp = splitpath(f)
450
451
if len(fp) == 0:
452
raise BzrError("cannot add top-level %r" % f)
453
454
fullpath = os.path.normpath(self.abspath(f))
455
456
try:
457
kind = file_kind(fullpath)
458
except OSError:
459
# maybe something better?
460
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
461
462
if kind != 'file' and kind != 'directory':
463
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
464
465
if file_id is None:
466
file_id = gen_file_id(f)
467
inv.add_path(f, kind=kind, file_id=file_id)
468
469
if verbose:
470
print 'added', quotefn(f)
471
472
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
473
474
self._write_inventory(inv)
475
finally:
476
self.unlock()
477
354
355
inv = self.read_working_inventory()
356
for f in files:
357
if is_control_file(f):
358
bailout("cannot add control file %s" % quotefn(f))
359
360
fp = splitpath(f)
361
362
if len(fp) == 0:
363
bailout("cannot add top-level %r" % f)
364
365
fullpath = os.path.normpath(self.abspath(f))
366
367
try:
368
kind = file_kind(fullpath)
369
except OSError:
370
# maybe something better?
371
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
372
373
if kind != 'file' and kind != 'directory':
374
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
375
376
file_id = gen_file_id(f)
377
inv.add_path(f, kind=kind, file_id=file_id)
378
379
if verbose:
380
show_status('A', kind, quotefn(f))
381
382
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
383
384
self._write_inventory(inv)
385
478
386
479
387
def print_file(self, file, revno):
480
388
"""Print `file` to stdout."""
481
self.lock_read()
482
try:
483
tree = self.revision_tree(self.lookup_revision(revno))
484
# use inventory as it was in that revision
485
file_id = tree.inventory.path2id(file)
486
if not file_id:
487
raise BzrError("%r is not present in revision %s" % (file, revno))
488
tree.print_file(file_id)
489
finally:
490
self.unlock()
491
389
self._need_readlock()
390
tree = self.revision_tree(self.lookup_revision(revno))
391
# use inventory as it was in that revision
392
file_id = tree.inventory.path2id(file)
393
if not file_id:
394
bailout("%r is not present in revision %d" % (file, revno))
395
tree.print_file(file_id)
396
492
397
493
398
def remove(self, files, verbose=False):
494
399
"""Mark nominated files for removal from the inventory.
497
402
498
403
TODO: Refuse to remove modified files unless --force is given?
499
404
405
>>> b = ScratchBranch(files=['foo'])
406
>>> b.add('foo')
407
>>> b.inventory.has_filename('foo')
408
True
409
>>> b.remove('foo')
410
>>> b.working_tree().has_filename('foo')
411
True
412
>>> b.inventory.has_filename('foo')
413
False
414
415
>>> b = ScratchBranch(files=['foo'])
416
>>> b.add('foo')
417
>>> b.commit('one')
418
>>> b.remove('foo')
419
>>> b.commit('two')
420
>>> b.inventory.has_filename('foo')
421
False
422
>>> b.basis_tree().has_filename('foo')
423
False
424
>>> b.working_tree().has_filename('foo')
425
True
426
500
427
TODO: Do something useful with directories.
501
428
502
429
TODO: Should this remove the text or not? Tough call; not
506
433
"""
507
434
## TODO: Normalize names
508
435
## TODO: Remove nested loops; better scalability
509
if isinstance(files, basestring):
436
self._need_writelock()
437
438
if isinstance(files, types.StringTypes):
510
439
files = [files]
511
512
self.lock_write()
513
514
try:
515
tree = self.working_tree()
516
inv = tree.inventory
517
518
# do this before any modifications
519
for f in files:
520
fid = inv.path2id(f)
521
if not fid:
522
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
523
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
524
if verbose:
525
# having remove it, it must be either ignored or unknown
526
if tree.is_ignored(f):
527
new_status = 'I'
528
else:
529
new_status = '?'
530
show_status(new_status, inv[fid].kind, quotefn(f))
531
del inv[fid]
532
533
self._write_inventory(inv)
534
finally:
535
self.unlock()
536
537
538
# FIXME: this doesn't need to be a branch method
539
def set_inventory(self, new_inventory_list):
540
from bzrlib.inventory import Inventory, InventoryEntry
541
inv = Inventory(self.get_root_id())
542
for path, file_id, parent, kind in new_inventory_list:
543
name = os.path.basename(path)
544
if name == "":
545
continue
546
inv.add(InventoryEntry(file_id, name, kind, parent))
440
441
tree = self.working_tree()
442
inv = tree.inventory
443
444
# do this before any modifications
445
for f in files:
446
fid = inv.path2id(f)
447
if not fid:
448
bailout("cannot remove unversioned file %s" % quotefn(f))
449
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
450
if verbose:
451
# having remove it, it must be either ignored or unknown
452
if tree.is_ignored(f):
453
new_status = 'I'
454
else:
455
new_status = '?'
456
show_status(new_status, inv[fid].kind, quotefn(f))
457
del inv[fid]
458
547
459
self._write_inventory(inv)
548
460
549
461
566
478
return self.working_tree().unknowns()
567
479
568
480
569
def append_revision(self, *revision_ids):
570
from bzrlib.atomicfile import AtomicFile
571
572
for revision_id in revision_ids:
573
mutter("add {%s} to revision-history" % revision_id)
574
481
def commit(self, message, timestamp=None, timezone=None,
482
committer=None,
483
verbose=False):
484
"""Commit working copy as a new revision.
485
486
The basic approach is to add all the file texts into the
487
store, then the inventory, then make a new revision pointing
488
to that inventory and store that.
489
490
This is not quite safe if the working copy changes during the
491
commit; for the moment that is simply not allowed. A better
492
approach is to make a temporary copy of the files before
493
computing their hashes, and then add those hashes in turn to
494
the inventory. This should mean at least that there are no
495
broken hash pointers. There is no way we can get a snapshot
496
of the whole directory at an instant. This would also have to
497
be robust against files disappearing, moving, etc. So the
498
whole thing is a bit hard.
499
500
timestamp -- if not None, seconds-since-epoch for a
501
postdated/predated commit.
502
"""
503
self._need_writelock()
504
505
## TODO: Show branch names
506
507
# TODO: Don't commit if there are no changes, unless forced?
508
509
# First walk over the working inventory; and both update that
510
# and also build a new revision inventory. The revision
511
# inventory needs to hold the text-id, sha1 and size of the
512
# actual file versions committed in the revision. (These are
513
# not present in the working inventory.) We also need to
514
# detect missing/deleted files, and remove them from the
515
# working inventory.
516
517
work_inv = self.read_working_inventory()
518
inv = Inventory()
519
basis = self.basis_tree()
520
basis_inv = basis.inventory
521
missing_ids = []
522
for path, entry in work_inv.iter_entries():
523
## TODO: Cope with files that have gone missing.
524
525
## TODO: Check that the file kind has not changed from the previous
526
## revision of this file (if any).
527
528
entry = entry.copy()
529
530
p = self.abspath(path)
531
file_id = entry.file_id
532
mutter('commit prep file %s, id %r ' % (p, file_id))
533
534
if not os.path.exists(p):
535
mutter(" file is missing, removing from inventory")
536
if verbose:
537
show_status('D', entry.kind, quotefn(path))
538
missing_ids.append(file_id)
539
continue
540
541
# TODO: Handle files that have been deleted
542
543
# TODO: Maybe a special case for empty files? Seems a
544
# waste to store them many times.
545
546
inv.add(entry)
547
548
if basis_inv.has_id(file_id):
549
old_kind = basis_inv[file_id].kind
550
if old_kind != entry.kind:
551
bailout("entry %r changed kind from %r to %r"
552
% (file_id, old_kind, entry.kind))
553
554
if entry.kind == 'directory':
555
if not isdir(p):
556
bailout("%s is entered as directory but not a directory" % quotefn(p))
557
elif entry.kind == 'file':
558
if not isfile(p):
559
bailout("%s is entered as file but is not a file" % quotefn(p))
560
561
content = file(p, 'rb').read()
562
563
entry.text_sha1 = sha_string(content)
564
entry.text_size = len(content)
565
566
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
567
if (old_ie
568
and (old_ie.text_size == entry.text_size)
569
and (old_ie.text_sha1 == entry.text_sha1)):
570
## assert content == basis.get_file(file_id).read()
571
entry.text_id = basis_inv[file_id].text_id
572
mutter(' unchanged from previous text_id {%s}' %
573
entry.text_id)
574
575
else:
576
entry.text_id = gen_file_id(entry.name)
577
self.text_store.add(content, entry.text_id)
578
mutter(' stored with text_id {%s}' % entry.text_id)
579
if verbose:
580
if not old_ie:
581
state = 'A'
582
elif (old_ie.name == entry.name
583
and old_ie.parent_id == entry.parent_id):
584
state = 'M'
585
else:
586
state = 'R'
587
588
show_status(state, entry.kind, quotefn(path))
589
590
for file_id in missing_ids:
591
# have to do this later so we don't mess up the iterator.
592
# since parents may be removed before their children we
593
# have to test.
594
595
# FIXME: There's probably a better way to do this; perhaps
596
# the workingtree should know how to filter itself.
597
if work_inv.has_id(file_id):
598
del work_inv[file_id]
599
600
601
inv_id = rev_id = _gen_revision_id(time.time())
602
603
inv_tmp = tempfile.TemporaryFile()
604
inv.write_xml(inv_tmp)
605
inv_tmp.seek(0)
606
self.inventory_store.add(inv_tmp, inv_id)
607
mutter('new inventory_id is {%s}' % inv_id)
608
609
self._write_inventory(work_inv)
610
611
if timestamp == None:
612
timestamp = time.time()
613
614
if committer == None:
615
committer = username()
616
617
if timezone == None:
618
timezone = local_time_offset()
619
620
mutter("building commit log message")
621
rev = Revision(timestamp=timestamp,
622
timezone=timezone,
623
committer=committer,
624
precursor = self.last_patch(),
625
message = message,
626
inventory_id=inv_id,
627
revision_id=rev_id)
628
629
rev_tmp = tempfile.TemporaryFile()
630
rev.write_xml(rev_tmp)
631
rev_tmp.seek(0)
632
self.revision_store.add(rev_tmp, rev_id)
633
mutter("new revision_id is {%s}" % rev_id)
634
635
## XXX: Everything up to here can simply be orphaned if we abort
636
## the commit; it will leave junk files behind but that doesn't
637
## matter.
638
639
## TODO: Read back the just-generated changeset, and make sure it
640
## applies and recreates the right state.
641
642
## TODO: Also calculate and store the inventory SHA1
643
mutter("committing patch r%d" % (self.revno() + 1))
644
645
646
self.append_revision(rev_id)
647
648
if verbose:
649
note("commited r%d" % self.revno())
650
651
652
def append_revision(self, revision_id):
653
mutter("add {%s} to revision-history" % revision_id)
575
654
rev_history = self.revision_history()
576
rev_history.extend(revision_ids)
577
578
f = AtomicFile(self.controlfilename('revision-history'))
579
try:
580
for rev_id in rev_history:
581
print >>f, rev_id
582
f.commit()
583
finally:
584
f.close()
585
586
587
def get_revision_xml(self, revision_id):
588
"""Return XML file object for revision object."""
589
if not revision_id or not isinstance(revision_id, basestring):
590
raise InvalidRevisionId(revision_id)
591
592
self.lock_read()
593
try:
594
try:
595
return self.revision_store[revision_id]
596
except IndexError:
597
raise bzrlib.errors.NoSuchRevision(revision_id)
598
finally:
599
self.unlock()
655
656
tmprhname = self.controlfilename('revision-history.tmp')
657
rhname = self.controlfilename('revision-history')
658
659
f = file(tmprhname, 'wt')
660
rev_history.append(revision_id)
661
f.write('\n'.join(rev_history))
662
f.write('\n')
663
f.close()
664
665
if sys.platform == 'win32':
666
os.remove(rhname)
667
os.rename(tmprhname, rhname)
668
600
669
601
670
602
671
def get_revision(self, revision_id):
603
672
"""Return the Revision object for a named revision"""
604
xml_file = self.get_revision_xml(revision_id)
605
606
try:
607
r = unpack_xml(Revision, xml_file)
608
except SyntaxError, e:
609
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
610
[revision_id,
611
str(e)])
612
673
self._need_readlock()
674
r = Revision.read_xml(self.revision_store[revision_id])
613
675
assert r.revision_id == revision_id
614
676
return r
615
677
616
678
617
def get_revision_delta(self, revno):
618
"""Return the delta for one revision.
619
620
The delta is relative to its mainline predecessor, or the
621
empty tree for revision 1.
622
"""
623
assert isinstance(revno, int)
624
rh = self.revision_history()
625
if not (1 <= revno <= len(rh)):
626
raise InvalidRevisionNumber(revno)
627
628
# revno is 1-based; list is 0-based
629
630
new_tree = self.revision_tree(rh[revno-1])
631
if revno == 1:
632
old_tree = EmptyTree()
633
else:
634
old_tree = self.revision_tree(rh[revno-2])
635
636
return compare_trees(old_tree, new_tree)
637
638
639
640
def get_revision_sha1(self, revision_id):
641
"""Hash the stored value of a revision, and return it."""
642
# In the future, revision entries will be signed. At that
643
# point, it is probably best *not* to include the signature
644
# in the revision hash. Because that lets you re-sign
645
# the revision, (add signatures/remove signatures) and still
646
# have all hash pointers stay consistent.
647
# But for now, just hash the contents.
648
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
649
650
651
679
def get_inventory(self, inventory_id):
652
680
"""Get Inventory object by hash.
653
681
654
682
TODO: Perhaps for this and similar methods, take a revision
655
683
parameter which can be either an integer revno or a
656
684
string hash."""
657
from bzrlib.inventory import Inventory
658
from bzrlib.xml import unpack_xml
659
660
return unpack_xml(Inventory, self.inventory_store[inventory_id])
661
662
663
def get_inventory_sha1(self, inventory_id):
664
"""Return the sha1 hash of the inventory entry
665
"""
666
return sha_file(self.inventory_store[inventory_id])
685
self._need_readlock()
686
i = Inventory.read_xml(self.inventory_store[inventory_id])
687
return i
667
688
668
689
669
690
def get_revision_inventory(self, revision_id):
670
691
"""Return inventory of a past revision."""
671
# bzr 0.0.6 imposes the constraint that the inventory_id
672
# must be the same as its revision, so this is trivial.
692
self._need_readlock()
673
693
if revision_id == None:
674
from bzrlib.inventory import Inventory
675
return Inventory(self.get_root_id())
694
return Inventory()
676
695
else:
677
return self.get_inventory(revision_id)
696
return self.get_inventory(self.get_revision(revision_id).inventory_id)
678
697
679
698
680
699
def revision_history(self):
683
702
>>> ScratchBranch().revision_history()
684
703
[]
685
704
"""
686
self.lock_read()
687
try:
688
return [l.rstrip('\r\n') for l in
689
self.controlfile('revision-history', 'r').readlines()]
690
finally:
691
self.unlock()
692
693
694
def common_ancestor(self, other, self_revno=None, other_revno=None):
695
"""
696
>>> import commit
697
>>> sb = ScratchBranch(files=['foo', 'foo~'])
698
>>> sb.common_ancestor(sb) == (None, None)
699
True
700
>>> commit.commit(sb, "Committing first revision", verbose=False)
701
>>> sb.common_ancestor(sb)[0]
702
1
703
>>> clone = sb.clone()
704
>>> commit.commit(sb, "Committing second revision", verbose=False)
705
>>> sb.common_ancestor(sb)[0]
706
2
707
>>> sb.common_ancestor(clone)[0]
708
1
709
>>> commit.commit(clone, "Committing divergent second revision",
710
... verbose=False)
711
>>> sb.common_ancestor(clone)[0]
712
1
713
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
714
True
715
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
716
True
717
>>> clone2 = sb.clone()
718
>>> sb.common_ancestor(clone2)[0]
719
2
720
>>> sb.common_ancestor(clone2, self_revno=1)[0]
721
1
722
>>> sb.common_ancestor(clone2, other_revno=1)[0]
723
1
724
"""
725
my_history = self.revision_history()
726
other_history = other.revision_history()
727
if self_revno is None:
728
self_revno = len(my_history)
729
if other_revno is None:
730
other_revno = len(other_history)
731
indices = range(min((self_revno, other_revno)))
732
indices.reverse()
733
for r in indices:
734
if my_history[r] == other_history[r]:
735
return r+1, my_history[r]
736
return None, None
705
self._need_readlock()
706
return [l.rstrip('\r\n') for l in self.controlfile('revision-history', 'r').readlines()]
707
708
709
def enum_history(self, direction):
710
"""Return (revno, revision_id) for history of branch.
711
712
direction
713
'forward' is from earliest to latest
714
'reverse' is from latest to earliest
715
"""
716
rh = self.revision_history()
717
if direction == 'forward':
718
i = 1
719
for rid in rh:
720
yield i, rid
721
i += 1
722
elif direction == 'reverse':
723
i = len(rh)
724
while i > 0:
725
yield i, rh[i-1]
726
i -= 1
727
else:
728
raise BzrError('invalid history direction %r' % direction)
737
729
738
730
739
731
def revno(self):
741
733
742
734
That is equivalent to the number of revisions committed to
743
735
this branch.
736
737
>>> b = ScratchBranch()
738
>>> b.revno()
739
0
740
>>> b.commit('no foo')
741
>>> b.revno()
742
1
744
743
"""
745
744
return len(self.revision_history())
746
745
747
746
748
747
def last_patch(self):
749
748
"""Return last patch hash, or None if no history.
749
750
>>> ScratchBranch().last_patch() == None
751
True
750
752
"""
751
753
ph = self.revision_history()
752
754
if ph:
753
755
return ph[-1]
754
756
else:
755
757
return None
756
757
758
def missing_revisions(self, other, stop_revision=None):
759
"""
760
If self and other have not diverged, return a list of the revisions
761
present in other, but missing from self.
762
763
>>> from bzrlib.commit import commit
764
>>> bzrlib.trace.silent = True
765
>>> br1 = ScratchBranch()
766
>>> br2 = ScratchBranch()
767
>>> br1.missing_revisions(br2)
768
[]
769
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
770
>>> br1.missing_revisions(br2)
771
[u'REVISION-ID-1']
772
>>> br2.missing_revisions(br1)
773
[]
774
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
775
>>> br1.missing_revisions(br2)
776
[]
777
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
778
>>> br1.missing_revisions(br2)
779
[u'REVISION-ID-2A']
780
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
781
>>> br1.missing_revisions(br2)
782
Traceback (most recent call last):
783
DivergedBranches: These branches have diverged.
784
"""
785
self_history = self.revision_history()
786
self_len = len(self_history)
787
other_history = other.revision_history()
788
other_len = len(other_history)
789
common_index = min(self_len, other_len) -1
790
if common_index >= 0 and \
791
self_history[common_index] != other_history[common_index]:
792
raise DivergedBranches(self, other)
793
794
if stop_revision is None:
795
stop_revision = other_len
796
elif stop_revision > other_len:
797
raise NoSuchRevision(self, stop_revision)
798
799
return other_history[self_len:stop_revision]
800
801
802
def update_revisions(self, other, stop_revision=None):
803
"""Pull in all new revisions from other branch.
804
805
>>> from bzrlib.commit import commit
806
>>> bzrlib.trace.silent = True
807
>>> br1 = ScratchBranch(files=['foo', 'bar'])
808
>>> br1.add('foo')
809
>>> br1.add('bar')
810
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
811
>>> br2 = ScratchBranch()
812
>>> br2.update_revisions(br1)
813
Added 2 texts.
814
Added 1 inventories.
815
Added 1 revisions.
816
>>> br2.revision_history()
817
[u'REVISION-ID-1']
818
>>> br2.update_revisions(br1)
819
Added 0 texts.
820
Added 0 inventories.
821
Added 0 revisions.
822
>>> br1.text_store.total_size() == br2.text_store.total_size()
823
True
824
"""
825
from bzrlib.progress import ProgressBar
826
827
pb = ProgressBar()
828
829
pb.update('comparing histories')
830
revision_ids = self.missing_revisions(other, stop_revision)
831
832
if hasattr(other.revision_store, "prefetch"):
833
other.revision_store.prefetch(revision_ids)
834
if hasattr(other.inventory_store, "prefetch"):
835
inventory_ids = [other.get_revision(r).inventory_id
836
for r in revision_ids]
837
other.inventory_store.prefetch(inventory_ids)
838
839
revisions = []
840
needed_texts = set()
841
i = 0
842
for rev_id in revision_ids:
843
i += 1
844
pb.update('fetching revision', i, len(revision_ids))
845
rev = other.get_revision(rev_id)
846
revisions.append(rev)
847
inv = other.get_inventory(str(rev.inventory_id))
848
for key, entry in inv.iter_entries():
849
if entry.text_id is None:
850
continue
851
if entry.text_id not in self.text_store:
852
needed_texts.add(entry.text_id)
853
854
pb.clear()
855
856
count = self.text_store.copy_multi(other.text_store, needed_texts)
857
print "Added %d texts." % count
858
inventory_ids = [ f.inventory_id for f in revisions ]
859
count = self.inventory_store.copy_multi(other.inventory_store,
860
inventory_ids)
861
print "Added %d inventories." % count
862
revision_ids = [ f.revision_id for f in revisions]
863
count = self.revision_store.copy_multi(other.revision_store,
864
revision_ids)
865
for revision_id in revision_ids:
866
self.append_revision(revision_id)
867
print "Added %d revisions." % count
868
869
870
def commit(self, *args, **kw):
871
from bzrlib.commit import commit
872
commit(self, *args, **kw)
873
874
875
def lookup_revision(self, revision):
876
"""Return the revision identifier for a given revision information."""
877
revno, info = self.get_revision_info(revision)
878
return info
879
880
def get_revision_info(self, revision):
881
"""Return (revno, revision id) for revision identifier.
882
883
revision can be an integer, in which case it is assumed to be revno (though
884
this will translate negative values into positive ones)
885
revision can also be a string, in which case it is parsed for something like
886
'date:' or 'revid:' etc.
887
"""
888
if revision is None:
889
return 0, None
890
revno = None
891
try:# Convert to int if possible
892
revision = int(revision)
893
except ValueError:
894
pass
895
revs = self.revision_history()
896
if isinstance(revision, int):
897
if revision == 0:
898
return 0, None
899
# Mabye we should do this first, but we don't need it if revision == 0
900
if revision < 0:
901
revno = len(revs) + revision + 1
902
else:
903
revno = revision
904
elif isinstance(revision, basestring):
905
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
906
if revision.startswith(prefix):
907
revno = func(self, revs, revision)
908
break
909
else:
910
raise BzrError('No namespace registered for string: %r' % revision)
911
912
if revno is None or revno <= 0 or revno > len(revs):
913
raise BzrError("no such revision %s" % revision)
914
return revno, revs[revno-1]
915
916
def _namespace_revno(self, revs, revision):
917
"""Lookup a revision by revision number"""
918
assert revision.startswith('revno:')
919
try:
920
return int(revision[6:])
921
except ValueError:
922
return None
923
REVISION_NAMESPACES['revno:'] = _namespace_revno
924
925
def _namespace_revid(self, revs, revision):
926
assert revision.startswith('revid:')
927
try:
928
return revs.index(revision[6:]) + 1
929
except ValueError:
930
return None
931
REVISION_NAMESPACES['revid:'] = _namespace_revid
932
933
def _namespace_last(self, revs, revision):
934
assert revision.startswith('last:')
935
try:
936
offset = int(revision[5:])
937
except ValueError:
938
return None
939
else:
940
if offset <= 0:
941
raise BzrError('You must supply a positive value for --revision last:XXX')
942
return len(revs) - offset + 1
943
REVISION_NAMESPACES['last:'] = _namespace_last
944
945
def _namespace_tag(self, revs, revision):
946
assert revision.startswith('tag:')
947
raise BzrError('tag: namespace registered, but not implemented.')
948
REVISION_NAMESPACES['tag:'] = _namespace_tag
949
950
def _namespace_date(self, revs, revision):
951
assert revision.startswith('date:')
952
import datetime
953
# Spec for date revisions:
954
# date:value
955
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
956
# it can also start with a '+/-/='. '+' says match the first
957
# entry after the given date. '-' is match the first entry before the date
958
# '=' is match the first entry after, but still on the given date.
959
#
960
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
961
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
962
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
963
# May 13th, 2005 at 0:00
964
#
965
# So the proper way of saying 'give me all entries for today' is:
966
# -r {date:+today}:{date:-tomorrow}
967
# The default is '=' when not supplied
968
val = revision[5:]
969
match_style = '='
970
if val[:1] in ('+', '-', '='):
971
match_style = val[:1]
972
val = val[1:]
973
974
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
975
if val.lower() == 'yesterday':
976
dt = today - datetime.timedelta(days=1)
977
elif val.lower() == 'today':
978
dt = today
979
elif val.lower() == 'tomorrow':
980
dt = today + datetime.timedelta(days=1)
981
else:
982
import re
983
# This should be done outside the function to avoid recompiling it.
984
_date_re = re.compile(
985
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
986
r'(,|T)?\s*'
987
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
988
)
989
m = _date_re.match(val)
990
if not m or (not m.group('date') and not m.group('time')):
991
raise BzrError('Invalid revision date %r' % revision)
992
993
if m.group('date'):
994
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
995
else:
996
year, month, day = today.year, today.month, today.day
997
if m.group('time'):
998
hour = int(m.group('hour'))
999
minute = int(m.group('minute'))
1000
if m.group('second'):
1001
second = int(m.group('second'))
1002
else:
1003
second = 0
1004
else:
1005
hour, minute, second = 0,0,0
1006
1007
dt = datetime.datetime(year=year, month=month, day=day,
1008
hour=hour, minute=minute, second=second)
1009
first = dt
1010
last = None
1011
reversed = False
1012
if match_style == '-':
1013
reversed = True
1014
elif match_style == '=':
1015
last = dt + datetime.timedelta(days=1)
1016
1017
if reversed:
1018
for i in range(len(revs)-1, -1, -1):
1019
r = self.get_revision(revs[i])
1020
# TODO: Handle timezone.
1021
dt = datetime.datetime.fromtimestamp(r.timestamp)
1022
if first >= dt and (last is None or dt >= last):
1023
return i+1
1024
else:
1025
for i in range(len(revs)):
1026
r = self.get_revision(revs[i])
1027
# TODO: Handle timezone.
1028
dt = datetime.datetime.fromtimestamp(r.timestamp)
1029
if first <= dt and (last is None or dt <= last):
1030
return i+1
1031
REVISION_NAMESPACES['date:'] = _namespace_date
758
759
760
def lookup_revision(self, revno):
761
"""Return revision hash for revision number."""
762
if revno == 0:
763
return None
764
765
try:
766
# list is 0-based; revisions are 1-based
767
return self.revision_history()[revno-1]
768
except IndexError:
769
raise BzrError("no such revision %s" % revno)
770
1032
771
1033
772
def revision_tree(self, revision_id):
1034
773
"""Return Tree for a revision on this branch.
1035
774
1036
775
`revision_id` may be None for the null revision, in which case
1037
776
an `EmptyTree` is returned."""
1038
# TODO: refactor this to use an existing revision object
1039
# so we don't need to read it in twice.
777
self._need_readlock()
1040
778
if revision_id == None:
1041
779
return EmptyTree()
1042
780
else:
1054
792
"""Return `Tree` object for last revision.
1055
793
1056
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
1057
805
"""
1058
806
r = self.last_patch()
1059
807
if r == None:
1068
816
1069
817
This can change the directory or the filename or both.
1070
818
"""
1071
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)
1072
852
try:
1073
tree = self.working_tree()
1074
inv = tree.inventory
1075
if not tree.has_filename(from_rel):
1076
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1077
if tree.has_filename(to_rel):
1078
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1079
1080
file_id = inv.path2id(from_rel)
1081
if file_id == None:
1082
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1083
1084
if inv.path2id(to_rel):
1085
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1086
1087
to_dir, to_tail = os.path.split(to_rel)
1088
to_dir_id = inv.path2id(to_dir)
1089
if to_dir_id == None and to_dir != '':
1090
raise BzrError("can't determine destination directory id for %r" % to_dir)
1091
1092
mutter("rename_one:")
1093
mutter(" file_id {%s}" % file_id)
1094
mutter(" from_rel %r" % from_rel)
1095
mutter(" to_rel %r" % to_rel)
1096
mutter(" to_dir %r" % to_dir)
1097
mutter(" to_dir_id {%s}" % to_dir_id)
1098
1099
inv.rename(file_id, to_dir_id, to_tail)
1100
1101
print "%s => %s" % (from_rel, to_rel)
1102
1103
from_abs = self.abspath(from_rel)
1104
to_abs = self.abspath(to_rel)
1105
try:
1106
os.rename(from_abs, to_abs)
1107
except OSError, e:
1108
raise BzrError("failed to rename %r to %r: %s"
1109
% (from_abs, to_abs, e[1]),
1110
["rename rolled back"])
1111
1112
self._write_inventory(inv)
1113
finally:
1114
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
1115
861
1116
862
1117
863
def move(self, from_paths, to_name):
1125
871
Note that to_name is only the last component of the new name;
1126
872
this doesn't change the directory.
1127
873
"""
1128
self.lock_write()
1129
try:
1130
## TODO: Option to move IDs only
1131
assert not isinstance(from_paths, basestring)
1132
tree = self.working_tree()
1133
inv = tree.inventory
1134
to_abs = self.abspath(to_name)
1135
if not isdir(to_abs):
1136
raise BzrError("destination %r is not a directory" % to_abs)
1137
if not tree.has_filename(to_name):
1138
raise BzrError("destination %r not in working directory" % to_abs)
1139
to_dir_id = inv.path2id(to_name)
1140
if to_dir_id == None and to_name != '':
1141
raise BzrError("destination %r is not a versioned directory" % to_name)
1142
to_dir_ie = inv[to_dir_id]
1143
if to_dir_ie.kind not in ('directory', 'root_directory'):
1144
raise BzrError("destination %r is not a directory" % to_abs)
1145
1146
to_idpath = inv.get_idpath(to_dir_id)
1147
1148
for f in from_paths:
1149
if not tree.has_filename(f):
1150
raise BzrError("%r does not exist in working tree" % f)
1151
f_id = inv.path2id(f)
1152
if f_id == None:
1153
raise BzrError("%r is not versioned" % f)
1154
name_tail = splitpath(f)[-1]
1155
dest_path = appendpath(to_name, name_tail)
1156
if tree.has_filename(dest_path):
1157
raise BzrError("destination %r already exists" % dest_path)
1158
if f_id in to_idpath:
1159
raise BzrError("can't move %r to a subdirectory of itself" % f)
1160
1161
# OK, so there's a race here, it's possible that someone will
1162
# create a file in this interval and then the rename might be
1163
# left half-done. But we should have caught most problems.
1164
1165
for f in from_paths:
1166
name_tail = splitpath(f)[-1]
1167
dest_path = appendpath(to_name, name_tail)
1168
print "%s => %s" % (f, dest_path)
1169
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1170
try:
1171
os.rename(self.abspath(f), self.abspath(dest_path))
1172
except OSError, e:
1173
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1174
["rename rolled back"])
1175
1176
self._write_inventory(inv)
1177
finally:
1178
self.unlock()
1179
1180
1181
def revert(self, filenames, old_tree=None, backups=True):
1182
"""Restore selected files to the versions from a previous tree.
1183
1184
backups
1185
If true (default) backups are made of files before
1186
they're renamed.
1187
"""
1188
from bzrlib.errors import NotVersionedError, BzrError
1189
from bzrlib.atomicfile import AtomicFile
1190
from bzrlib.osutils import backup_file
1191
1192
inv = self.read_working_inventory()
1193
if old_tree is None:
1194
old_tree = self.basis_tree()
1195
old_inv = old_tree.inventory
1196
1197
nids = []
1198
for fn in filenames:
1199
file_id = inv.path2id(fn)
1200
if not file_id:
1201
raise NotVersionedError("not a versioned file", fn)
1202
if not old_inv.has_id(file_id):
1203
raise BzrError("file not present in old tree", fn, file_id)
1204
nids.append((fn, file_id))
1205
1206
# TODO: Rename back if it was previously at a different location
1207
1208
# TODO: If given a directory, restore the entire contents from
1209
# the previous version.
1210
1211
# TODO: Make a backup to a temporary file.
1212
1213
# TODO: If the file previously didn't exist, delete it?
1214
for fn, file_id in nids:
1215
backup_file(fn)
1216
1217
f = AtomicFile(fn, 'wb')
1218
try:
1219
f.write(old_tree.get_file(file_id).read())
1220
f.commit()
1221
finally:
1222
f.close()
1223
1224
1225
def pending_merges(self):
1226
"""Return a list of pending merges.
1227
1228
These are revisions that have been merged into the working
1229
directory but not yet committed.
1230
"""
1231
cfn = self.controlfilename('pending-merges')
1232
if not os.path.exists(cfn):
1233
return []
1234
p = []
1235
for l in self.controlfile('pending-merges', 'r').readlines():
1236
p.append(l.rstrip('\n'))
1237
return p
1238
1239
1240
def add_pending_merge(self, revision_id):
1241
from bzrlib.revision import validate_revision_id
1242
1243
validate_revision_id(revision_id)
1244
1245
p = self.pending_merges()
1246
if revision_id in p:
1247
return
1248
p.append(revision_id)
1249
self.set_pending_merges(p)
1250
1251
1252
def set_pending_merges(self, rev_list):
1253
from bzrlib.atomicfile import AtomicFile
1254
self.lock_write()
1255
try:
1256
f = AtomicFile(self.controlfilename('pending-merges'))
1257
try:
1258
for l in rev_list:
1259
print >>f, l
1260
f.commit()
1261
finally:
1262
f.close()
1263
finally:
1264
self.unlock()
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
1265
923
1266
924
1267
925
1276
934
>>> isdir(bd)
1277
935
False
1278
936
"""
1279
def __init__(self, files=[], dirs=[], base=None):
937
def __init__(self, files=[], dirs=[]):
1280
938
"""Make a test branch.
1281
939
1282
940
This creates a temporary directory and runs init-tree in it.
1283
941
1284
942
If any files are listed, they are created in the working copy.
1285
943
"""
1286
from tempfile import mkdtemp
1287
init = False
1288
if base is None:
1289
base = mkdtemp()
1290
init = True
1291
Branch.__init__(self, base, init=init)
944
Branch.__init__(self, tempfile.mkdtemp(), init=True)
1292
945
for d in dirs:
1293
946
os.mkdir(self.abspath(d))
1294
947
1296
949
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1297
950
1298
951
1299
def clone(self):
1300
"""
1301
>>> orig = ScratchBranch(files=["file1", "file2"])
1302
>>> clone = orig.clone()
1303
>>> os.path.samefile(orig.base, clone.base)
1304
False
1305
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1306
True
1307
"""
1308
from shutil import copytree
1309
from tempfile import mkdtemp
1310
base = mkdtemp()
1311
os.rmdir(base)
1312
copytree(self.base, base, symlinks=True)
1313
return ScratchBranch(base=base)
1314
1315
952
def __del__(self):
1316
953
self.destroy()
1317
954
1318
955
def destroy(self):
1319
956
"""Destroy the test branch, removing the scratch directory."""
1320
from shutil import rmtree
1321
957
try:
1322
if self.base:
1323
mutter("delete ScratchBranch %s" % self.base)
1324
rmtree(self.base)
958
mutter("delete ScratchBranch %s" % self.base)
959
shutil.rmtree(self.base)
1325
960
except OSError, e:
1326
961
# Work around for shutil.rmtree failing on Windows when
1327
962
# readonly files are encountered
1329
964
for root, dirs, files in os.walk(self.base, topdown=False):
1330
965
for name in files:
1331
966
os.chmod(os.path.join(root, name), 0700)
1332
rmtree(self.base)
967
shutil.rmtree(self.base)
1333
968
self.base = None
1334
969
1335
970
1353
988
1354
989
1355
990
991
def _gen_revision_id(when):
992
"""Return new revision-id."""
993
s = '%s-%s-' % (user_email(), compact_date(when))
994
s += hexlify(rand_bytes(8))
995
return s
996
997
1356
998
def gen_file_id(name):
1357
999
"""Return new file id.
1358
1000
1359
1001
This should probably generate proper UUIDs, but for the moment we
1360
1002
cope with just randomness because running uuidgen every time is
1361
1003
slow."""
1362
import re
1363
from binascii import hexlify
1364
from time import time
1365
1366
# get last component
1367
1004
idx = name.rfind('/')
1368
1005
if idx != -1:
1369
1006
name = name[idx+1 : ]
1371
1008
if idx != -1:
1372
1009
name = name[idx+1 : ]
1373
1010
1374
# make it not a hidden file
1375
1011
name = name.lstrip('.')
1376
1012
1377
# remove any wierd characters; we don't escape them but rather
1378
# just pull them out
1379
name = re.sub(r'[^\w.]', '', name)
1380
1381
1013
s = hexlify(rand_bytes(8))
1382
return '-'.join((name, compact_date(time()), s))
1383
1384
1385
def gen_root_id():
1386
"""Return a new tree-root file id."""
1387
return gen_file_id('TREE_ROOT')
1388
1014
return '-'.join((name, compact_date(time.time()), s))
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0