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- Committer: Martin Pool
- Date: 2005-05-11 06:20:05 UTC
- Revision ID: mbp@sourcefrog.net-20050511062005-297af3451635dae0
- Don't lose first line of command help!
- files added:
- bzrlib/tests.py
- files removed:
- bzr-man.py
- bzrlib/selftest
- patches
- plugins
- plugins/changeset
- 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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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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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_file, sha_string, file_kind, local_time_offset, appendpath
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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 BzrError
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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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return remotebranch.RemoteBranch(f, **args)
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else:
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return Branch(f, **args)
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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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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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114
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):
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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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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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fmt = self.controlfile('branch-format', 'r').read()
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fmt.replace('\r\n', '')
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if fmt != BZR_BRANCH_FORMAT:
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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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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."""
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self._need_readlock()
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before = time.time()
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# ElementTree does its own conversion from UTF-8, so open in
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# binary.
325
self.lock_read()
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try:
327
inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
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mutter("loaded inventory of %d items in %f"
329
% (len(inv), time.time() - before))
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return inv
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finally:
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self.unlock()
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inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
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mutter("loaded inventory of %d items in %f"
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% (len(inv), time.time() - before))
280
return inv
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def _write_inventory(self, inv):
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"""Update the working inventory.
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That is to say, the inventory describing changes underway, that
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will be committed to the next revision.
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288
"""
341
self.lock_write()
342
try:
343
from bzrlib.atomicfile import AtomicFile
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f = AtomicFile(self.controlfilename('inventory'), 'wb')
346
try:
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inv.write_xml(f)
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f.commit()
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finally:
350
f.close()
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finally:
352
self.unlock()
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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')
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tmpf = file(tmpfname, 'wb')
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inv.write_xml(tmpf)
295
tmpf.close()
296
inv_fname = self.controlfilename('inventory')
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if sys.platform == 'win32':
298
os.remove(inv_fname)
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os.rename(tmpfname, inv_fname)
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mutter('wrote working inventory')
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inventory = property(read_working_inventory, _write_inventory, None,
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"""Inventory for the working copy.""")
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def add(self, files, verbose=False, ids=None):
307
def add(self, files, verbose=False):
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"""Make files versioned.
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Note that the command line normally calls smart_add instead.
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This puts the files in the Added state, so that they will be
367
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recorded by the next commit.
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369
files
370
List of paths to add, relative to the base of the tree.
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ids
373
If set, use these instead of automatically generated ids.
374
Must be the same length as the list of files, but may
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contain None for ids that are to be autogenerated.
376
377
315
TODO: Perhaps have an option to add the ids even if the files do
378
not (yet) exist.
316
not (yet) exist.
379
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380
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TODO: Perhaps return the ids of the files? But then again it
381
is easy to retrieve them if they're needed.
319
is easy to retrieve them if they're needed.
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TODO: Option to specify file id.
382
322
383
323
TODO: Adding a directory should optionally recurse down and
384
add all non-ignored children. Perhaps do that in a
385
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
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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', [])
386
348
"""
349
self._need_writelock()
350
387
351
# TODO: Re-adding a file that is removed in the working copy
388
352
# should probably put it back with the previous ID.
389
353
if isinstance(files, types.StringTypes):
390
assert(ids is None or isinstance(ids, types.StringTypes))
391
354
files = [files]
392
if ids is not None:
393
ids = [ids]
394
395
if ids is None:
396
ids = [None] * len(files)
397
else:
398
assert(len(ids) == len(files))
399
400
self.lock_write()
401
try:
402
inv = self.read_working_inventory()
403
for f,file_id in zip(files, ids):
404
if is_control_file(f):
405
raise BzrError("cannot add control file %s" % quotefn(f))
406
407
fp = splitpath(f)
408
409
if len(fp) == 0:
410
raise BzrError("cannot add top-level %r" % f)
411
412
fullpath = os.path.normpath(self.abspath(f))
413
414
try:
415
kind = file_kind(fullpath)
416
except OSError:
417
# maybe something better?
418
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
419
420
if kind != 'file' and kind != 'directory':
421
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
422
423
if file_id is None:
424
file_id = gen_file_id(f)
425
inv.add_path(f, kind=kind, file_id=file_id)
426
427
if verbose:
428
print 'added', quotefn(f)
429
430
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
431
432
self._write_inventory(inv)
433
finally:
434
self.unlock()
435
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
436
387
437
388
def print_file(self, file, revno):
438
389
"""Print `file` to stdout."""
439
self.lock_read()
440
try:
441
tree = self.revision_tree(self.lookup_revision(revno))
442
# use inventory as it was in that revision
443
file_id = tree.inventory.path2id(file)
444
if not file_id:
445
raise BzrError("%r is not present in revision %d" % (file, revno))
446
tree.print_file(file_id)
447
finally:
448
self.unlock()
449
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
450
398
451
399
def remove(self, files, verbose=False):
452
400
"""Mark nominated files for removal from the inventory.
455
403
456
404
TODO: Refuse to remove modified files unless --force is given?
457
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
458
428
TODO: Do something useful with directories.
459
429
460
430
TODO: Should this remove the text or not? Tough call; not
464
434
"""
465
435
## TODO: Normalize names
466
436
## TODO: Remove nested loops; better scalability
437
self._need_writelock()
438
467
439
if isinstance(files, types.StringTypes):
468
440
files = [files]
469
470
self.lock_write()
471
472
try:
473
tree = self.working_tree()
474
inv = tree.inventory
475
476
# do this before any modifications
477
for f in files:
478
fid = inv.path2id(f)
479
if not fid:
480
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
481
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
482
if verbose:
483
# having remove it, it must be either ignored or unknown
484
if tree.is_ignored(f):
485
new_status = 'I'
486
else:
487
new_status = '?'
488
show_status(new_status, inv[fid].kind, quotefn(f))
489
del inv[fid]
490
491
self._write_inventory(inv)
492
finally:
493
self.unlock()
494
495
496
# FIXME: this doesn't need to be a branch method
497
def set_inventory(self, new_inventory_list):
498
inv = Inventory()
499
for path, file_id, parent, kind in new_inventory_list:
500
name = os.path.basename(path)
501
if name == "":
502
continue
503
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
504
460
self._write_inventory(inv)
505
461
506
462
523
479
return self.working_tree().unknowns()
524
480
525
481
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
526
653
def append_revision(self, revision_id):
527
from bzrlib.atomicfile import AtomicFile
528
529
654
mutter("add {%s} to revision-history" % revision_id)
530
rev_history = self.revision_history() + [revision_id]
531
532
f = AtomicFile(self.controlfilename('revision-history'))
533
try:
534
for rev_id in rev_history:
535
print >>f, rev_id
536
f.commit()
537
finally:
538
f.close()
655
rev_history = self.revision_history()
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
539
670
540
671
541
672
def get_revision(self, revision_id):
542
673
"""Return the Revision object for a named revision"""
543
if not revision_id or not isinstance(revision_id, basestring):
544
raise ValueError('invalid revision-id: %r' % revision_id)
674
self._need_readlock()
545
675
r = Revision.read_xml(self.revision_store[revision_id])
546
676
assert r.revision_id == revision_id
547
677
return r
548
678
549
def get_revision_sha1(self, revision_id):
550
"""Hash the stored value of a revision, and return it."""
551
# In the future, revision entries will be signed. At that
552
# point, it is probably best *not* to include the signature
553
# in the revision hash. Because that lets you re-sign
554
# the revision, (add signatures/remove signatures) and still
555
# have all hash pointers stay consistent.
556
# But for now, just hash the contents.
557
return sha_file(self.revision_store[revision_id])
558
559
679
560
680
def get_inventory(self, inventory_id):
561
681
"""Get Inventory object by hash.
563
683
TODO: Perhaps for this and similar methods, take a revision
564
684
parameter which can be either an integer revno or a
565
685
string hash."""
686
self._need_readlock()
566
687
i = Inventory.read_xml(self.inventory_store[inventory_id])
567
688
return i
568
689
569
def get_inventory_sha1(self, inventory_id):
570
"""Return the sha1 hash of the inventory entry
571
"""
572
return sha_file(self.inventory_store[inventory_id])
573
574
690
575
691
def get_revision_inventory(self, revision_id):
576
692
"""Return inventory of a past revision."""
693
self._need_readlock()
577
694
if revision_id == None:
578
695
return Inventory()
579
696
else:
586
703
>>> ScratchBranch().revision_history()
587
704
[]
588
705
"""
589
self.lock_read()
590
try:
591
return [l.rstrip('\r\n') for l in
592
self.controlfile('revision-history', 'r').readlines()]
593
finally:
594
self.unlock()
595
596
597
def common_ancestor(self, other, self_revno=None, other_revno=None):
598
"""
599
>>> import commit
600
>>> sb = ScratchBranch(files=['foo', 'foo~'])
601
>>> sb.common_ancestor(sb) == (None, None)
602
True
603
>>> commit.commit(sb, "Committing first revision", verbose=False)
604
>>> sb.common_ancestor(sb)[0]
605
1
606
>>> clone = sb.clone()
607
>>> commit.commit(sb, "Committing second revision", verbose=False)
608
>>> sb.common_ancestor(sb)[0]
609
2
610
>>> sb.common_ancestor(clone)[0]
611
1
612
>>> commit.commit(clone, "Committing divergent second revision",
613
... verbose=False)
614
>>> sb.common_ancestor(clone)[0]
615
1
616
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
617
True
618
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
619
True
620
>>> clone2 = sb.clone()
621
>>> sb.common_ancestor(clone2)[0]
622
2
623
>>> sb.common_ancestor(clone2, self_revno=1)[0]
624
1
625
>>> sb.common_ancestor(clone2, other_revno=1)[0]
626
1
627
"""
628
my_history = self.revision_history()
629
other_history = other.revision_history()
630
if self_revno is None:
631
self_revno = len(my_history)
632
if other_revno is None:
633
other_revno = len(other_history)
634
indices = range(min((self_revno, other_revno)))
635
indices.reverse()
636
for r in indices:
637
if my_history[r] == other_history[r]:
638
return r+1, my_history[r]
639
return None, None
706
self._need_readlock()
707
return [l.rstrip('\r\n') for l in self.controlfile('revision-history', 'r').readlines()]
708
640
709
641
710
def enum_history(self, direction):
642
711
"""Return (revno, revision_id) for history of branch.
657
726
yield i, rh[i-1]
658
727
i -= 1
659
728
else:
660
raise ValueError('invalid history direction', direction)
729
raise BzrError('invalid history direction %r' % direction)
661
730
662
731
663
732
def revno(self):
665
734
666
735
That is equivalent to the number of revisions committed to
667
736
this branch.
737
738
>>> b = ScratchBranch()
739
>>> b.revno()
740
0
741
>>> b.commit('no foo')
742
>>> b.revno()
743
1
668
744
"""
669
745
return len(self.revision_history())
670
746
671
747
672
748
def last_patch(self):
673
749
"""Return last patch hash, or None if no history.
750
751
>>> ScratchBranch().last_patch() == None
752
True
674
753
"""
675
754
ph = self.revision_history()
676
755
if ph:
677
756
return ph[-1]
678
757
else:
679
758
return None
680
681
682
def missing_revisions(self, other, stop_revision=None):
683
"""
684
If self and other have not diverged, return a list of the revisions
685
present in other, but missing from self.
686
687
>>> from bzrlib.commit import commit
688
>>> bzrlib.trace.silent = True
689
>>> br1 = ScratchBranch()
690
>>> br2 = ScratchBranch()
691
>>> br1.missing_revisions(br2)
692
[]
693
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
694
>>> br1.missing_revisions(br2)
695
[u'REVISION-ID-1']
696
>>> br2.missing_revisions(br1)
697
[]
698
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
699
>>> br1.missing_revisions(br2)
700
[]
701
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
702
>>> br1.missing_revisions(br2)
703
[u'REVISION-ID-2A']
704
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
705
>>> br1.missing_revisions(br2)
706
Traceback (most recent call last):
707
DivergedBranches: These branches have diverged.
708
"""
709
self_history = self.revision_history()
710
self_len = len(self_history)
711
other_history = other.revision_history()
712
other_len = len(other_history)
713
common_index = min(self_len, other_len) -1
714
if common_index >= 0 and \
715
self_history[common_index] != other_history[common_index]:
716
raise DivergedBranches(self, other)
717
718
if stop_revision is None:
719
stop_revision = other_len
720
elif stop_revision > other_len:
721
raise NoSuchRevision(self, stop_revision)
722
723
return other_history[self_len:stop_revision]
724
725
726
def update_revisions(self, other, stop_revision=None):
727
"""Pull in all new revisions from other branch.
728
729
>>> from bzrlib.commit import commit
730
>>> bzrlib.trace.silent = True
731
>>> br1 = ScratchBranch(files=['foo', 'bar'])
732
>>> br1.add('foo')
733
>>> br1.add('bar')
734
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
735
>>> br2 = ScratchBranch()
736
>>> br2.update_revisions(br1)
737
Added 2 texts.
738
Added 1 inventories.
739
Added 1 revisions.
740
>>> br2.revision_history()
741
[u'REVISION-ID-1']
742
>>> br2.update_revisions(br1)
743
Added 0 texts.
744
Added 0 inventories.
745
Added 0 revisions.
746
>>> br1.text_store.total_size() == br2.text_store.total_size()
747
True
748
"""
749
from bzrlib.progress import ProgressBar
750
751
pb = ProgressBar()
752
753
pb.update('comparing histories')
754
revision_ids = self.missing_revisions(other, stop_revision)
755
revisions = []
756
needed_texts = sets.Set()
757
i = 0
758
for rev_id in revision_ids:
759
i += 1
760
pb.update('fetching revision', i, len(revision_ids))
761
rev = other.get_revision(rev_id)
762
revisions.append(rev)
763
inv = other.get_inventory(str(rev.inventory_id))
764
for key, entry in inv.iter_entries():
765
if entry.text_id is None:
766
continue
767
if entry.text_id not in self.text_store:
768
needed_texts.add(entry.text_id)
769
770
pb.clear()
771
772
count = self.text_store.copy_multi(other.text_store, needed_texts)
773
print "Added %d texts." % count
774
inventory_ids = [ f.inventory_id for f in revisions ]
775
count = self.inventory_store.copy_multi(other.inventory_store,
776
inventory_ids)
777
print "Added %d inventories." % count
778
revision_ids = [ f.revision_id for f in revisions]
779
count = self.revision_store.copy_multi(other.revision_store,
780
revision_ids)
781
for revision_id in revision_ids:
782
self.append_revision(revision_id)
783
print "Added %d revisions." % count
784
785
786
def commit(self, *args, **kw):
787
from bzrlib.commit import commit
788
commit(self, *args, **kw)
789
759
790
760
791
761
def lookup_revision(self, revno):
805
775
806
776
`revision_id` may be None for the null revision, in which case
807
777
an `EmptyTree` is returned."""
808
# TODO: refactor this to use an existing revision object
809
# so we don't need to read it in twice.
778
self._need_readlock()
810
779
if revision_id == None:
811
780
return EmptyTree()
812
781
else:
824
793
"""Return `Tree` object for last revision.
825
794
826
795
If there are no revisions yet, return an `EmptyTree`.
796
797
>>> b = ScratchBranch(files=['foo'])
798
>>> b.basis_tree().has_filename('foo')
799
False
800
>>> b.working_tree().has_filename('foo')
801
True
802
>>> b.add('foo')
803
>>> b.commit('add foo')
804
>>> b.basis_tree().has_filename('foo')
805
True
827
806
"""
828
807
r = self.last_patch()
829
808
if r == None:
838
817
839
818
This can change the directory or the filename or both.
840
819
"""
841
self.lock_write()
820
self._need_writelock()
821
tree = self.working_tree()
822
inv = tree.inventory
823
if not tree.has_filename(from_rel):
824
bailout("can't rename: old working file %r does not exist" % from_rel)
825
if tree.has_filename(to_rel):
826
bailout("can't rename: new working file %r already exists" % to_rel)
827
828
file_id = inv.path2id(from_rel)
829
if file_id == None:
830
bailout("can't rename: old name %r is not versioned" % from_rel)
831
832
if inv.path2id(to_rel):
833
bailout("can't rename: new name %r is already versioned" % to_rel)
834
835
to_dir, to_tail = os.path.split(to_rel)
836
to_dir_id = inv.path2id(to_dir)
837
if to_dir_id == None and to_dir != '':
838
bailout("can't determine destination directory id for %r" % to_dir)
839
840
mutter("rename_one:")
841
mutter(" file_id {%s}" % file_id)
842
mutter(" from_rel %r" % from_rel)
843
mutter(" to_rel %r" % to_rel)
844
mutter(" to_dir %r" % to_dir)
845
mutter(" to_dir_id {%s}" % to_dir_id)
846
847
inv.rename(file_id, to_dir_id, to_tail)
848
849
print "%s => %s" % (from_rel, to_rel)
850
851
from_abs = self.abspath(from_rel)
852
to_abs = self.abspath(to_rel)
842
853
try:
843
tree = self.working_tree()
844
inv = tree.inventory
845
if not tree.has_filename(from_rel):
846
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
847
if tree.has_filename(to_rel):
848
raise BzrError("can't rename: new working file %r already exists" % to_rel)
849
850
file_id = inv.path2id(from_rel)
851
if file_id == None:
852
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
853
854
if inv.path2id(to_rel):
855
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
856
857
to_dir, to_tail = os.path.split(to_rel)
858
to_dir_id = inv.path2id(to_dir)
859
if to_dir_id == None and to_dir != '':
860
raise BzrError("can't determine destination directory id for %r" % to_dir)
861
862
mutter("rename_one:")
863
mutter(" file_id {%s}" % file_id)
864
mutter(" from_rel %r" % from_rel)
865
mutter(" to_rel %r" % to_rel)
866
mutter(" to_dir %r" % to_dir)
867
mutter(" to_dir_id {%s}" % to_dir_id)
868
869
inv.rename(file_id, to_dir_id, to_tail)
870
871
print "%s => %s" % (from_rel, to_rel)
872
873
from_abs = self.abspath(from_rel)
874
to_abs = self.abspath(to_rel)
875
try:
876
os.rename(from_abs, to_abs)
877
except OSError, e:
878
raise BzrError("failed to rename %r to %r: %s"
879
% (from_abs, to_abs, e[1]),
880
["rename rolled back"])
881
882
self._write_inventory(inv)
883
finally:
884
self.unlock()
854
os.rename(from_abs, to_abs)
855
except OSError, e:
856
bailout("failed to rename %r to %r: %s"
857
% (from_abs, to_abs, e[1]),
858
["rename rolled back"])
859
860
self._write_inventory(inv)
861
885
862
886
863
887
864
def move(self, from_paths, to_name):
895
872
Note that to_name is only the last component of the new name;
896
873
this doesn't change the directory.
897
874
"""
898
self.lock_write()
899
try:
900
## TODO: Option to move IDs only
901
assert not isinstance(from_paths, basestring)
902
tree = self.working_tree()
903
inv = tree.inventory
904
to_abs = self.abspath(to_name)
905
if not isdir(to_abs):
906
raise BzrError("destination %r is not a directory" % to_abs)
907
if not tree.has_filename(to_name):
908
raise BzrError("destination %r not in working directory" % to_abs)
909
to_dir_id = inv.path2id(to_name)
910
if to_dir_id == None and to_name != '':
911
raise BzrError("destination %r is not a versioned directory" % to_name)
912
to_dir_ie = inv[to_dir_id]
913
if to_dir_ie.kind not in ('directory', 'root_directory'):
914
raise BzrError("destination %r is not a directory" % to_abs)
915
916
to_idpath = inv.get_idpath(to_dir_id)
917
918
for f in from_paths:
919
if not tree.has_filename(f):
920
raise BzrError("%r does not exist in working tree" % f)
921
f_id = inv.path2id(f)
922
if f_id == None:
923
raise BzrError("%r is not versioned" % f)
924
name_tail = splitpath(f)[-1]
925
dest_path = appendpath(to_name, name_tail)
926
if tree.has_filename(dest_path):
927
raise BzrError("destination %r already exists" % dest_path)
928
if f_id in to_idpath:
929
raise BzrError("can't move %r to a subdirectory of itself" % f)
930
931
# OK, so there's a race here, it's possible that someone will
932
# create a file in this interval and then the rename might be
933
# left half-done. But we should have caught most problems.
934
935
for f in from_paths:
936
name_tail = splitpath(f)[-1]
937
dest_path = appendpath(to_name, name_tail)
938
print "%s => %s" % (f, dest_path)
939
inv.rename(inv.path2id(f), to_dir_id, name_tail)
940
try:
941
os.rename(self.abspath(f), self.abspath(dest_path))
942
except OSError, e:
943
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
944
["rename rolled back"])
945
946
self._write_inventory(inv)
947
finally:
948
self.unlock()
875
self._need_writelock()
876
## TODO: Option to move IDs only
877
assert not isinstance(from_paths, basestring)
878
tree = self.working_tree()
879
inv = tree.inventory
880
to_abs = self.abspath(to_name)
881
if not isdir(to_abs):
882
bailout("destination %r is not a directory" % to_abs)
883
if not tree.has_filename(to_name):
884
bailout("destination %r not in working directory" % to_abs)
885
to_dir_id = inv.path2id(to_name)
886
if to_dir_id == None and to_name != '':
887
bailout("destination %r is not a versioned directory" % to_name)
888
to_dir_ie = inv[to_dir_id]
889
if to_dir_ie.kind not in ('directory', 'root_directory'):
890
bailout("destination %r is not a directory" % to_abs)
891
892
to_idpath = Set(inv.get_idpath(to_dir_id))
893
894
for f in from_paths:
895
if not tree.has_filename(f):
896
bailout("%r does not exist in working tree" % f)
897
f_id = inv.path2id(f)
898
if f_id == None:
899
bailout("%r is not versioned" % f)
900
name_tail = splitpath(f)[-1]
901
dest_path = appendpath(to_name, name_tail)
902
if tree.has_filename(dest_path):
903
bailout("destination %r already exists" % dest_path)
904
if f_id in to_idpath:
905
bailout("can't move %r to a subdirectory of itself" % f)
906
907
# OK, so there's a race here, it's possible that someone will
908
# create a file in this interval and then the rename might be
909
# left half-done. But we should have caught most problems.
910
911
for f in from_paths:
912
name_tail = splitpath(f)[-1]
913
dest_path = appendpath(to_name, name_tail)
914
print "%s => %s" % (f, dest_path)
915
inv.rename(inv.path2id(f), to_dir_id, name_tail)
916
try:
917
os.rename(self.abspath(f), self.abspath(dest_path))
918
except OSError, e:
919
bailout("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
920
["rename rolled back"])
921
922
self._write_inventory(inv)
923
949
924
950
925
951
926
960
935
>>> isdir(bd)
961
936
False
962
937
"""
963
def __init__(self, files=[], dirs=[], base=None):
938
def __init__(self, files=[], dirs=[]):
964
939
"""Make a test branch.
965
940
966
941
This creates a temporary directory and runs init-tree in it.
967
942
968
943
If any files are listed, they are created in the working copy.
969
944
"""
970
init = False
971
if base is None:
972
base = tempfile.mkdtemp()
973
init = True
974
Branch.__init__(self, base, init=init)
945
Branch.__init__(self, tempfile.mkdtemp(), init=True)
975
946
for d in dirs:
976
947
os.mkdir(self.abspath(d))
977
948
979
950
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
980
951
981
952
982
def clone(self):
983
"""
984
>>> orig = ScratchBranch(files=["file1", "file2"])
985
>>> clone = orig.clone()
986
>>> os.path.samefile(orig.base, clone.base)
987
False
988
>>> os.path.isfile(os.path.join(clone.base, "file1"))
989
True
990
"""
991
base = tempfile.mkdtemp()
992
os.rmdir(base)
993
shutil.copytree(self.base, base, symlinks=True)
994
return ScratchBranch(base=base)
995
996
953
def __del__(self):
997
954
self.destroy()
998
955
999
956
def destroy(self):
1000
957
"""Destroy the test branch, removing the scratch directory."""
1001
958
try:
1002
if self.base:
1003
mutter("delete ScratchBranch %s" % self.base)
1004
shutil.rmtree(self.base)
959
mutter("delete ScratchBranch %s" % self.base)
960
shutil.rmtree(self.base)
1005
961
except OSError, e:
1006
962
# Work around for shutil.rmtree failing on Windows when
1007
963
# readonly files are encountered
1033
989
1034
990
1035
991
992
def _gen_revision_id(when):
993
"""Return new revision-id."""
994
s = '%s-%s-' % (user_email(), compact_date(when))
995
s += hexlify(rand_bytes(8))
996
return s
997
998
1036
999
def gen_file_id(name):
1037
1000
"""Return new file id.
1038
1001
1039
1002
This should probably generate proper UUIDs, but for the moment we
1040
1003
cope with just randomness because running uuidgen every time is
1041
1004
slow."""
1042
import re
1043
1044
# get last component
1045
1005
idx = name.rfind('/')
1046
1006
if idx != -1:
1047
1007
name = name[idx+1 : ]
1049
1009
if idx != -1:
1050
1010
name = name[idx+1 : ]
1051
1011
1052
# make it not a hidden file
1053
1012
name = name.lstrip('.')
1054
1013
1055
# remove any wierd characters; we don't escape them but rather
1056
# just pull them out
1057
name = re.sub(r'[^\w.]', '', name)
1058
1059
1014
s = hexlify(rand_bytes(8))
1060
1015
return '-'.join((name, compact_date(time.time()), s))
Loggerhead is a web-based interface for Breezy
Version: 2.0.1