26
from bzrlib.decorators import (
31
from bzrlib.lock import LogicalLockResult
32
26
from bzrlib.trace import mutter
34
28
from bzrlib.branch import (
36
BranchWriteLockResult,
38
from bzrlib.branchfmt.fullhistory import (
39
30
FullHistoryBzrBranch,
43
34
class BzrBranch4(FullHistoryBzrBranch):
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35
"""Branch format 4."""
46
def lock_write(self, token=None):
47
"""Lock the branch for write operations.
49
:param token: A token to permit reacquiring a previously held and
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:return: A BranchWriteLockResult.
53
if not self.is_locked():
55
# All-in-one needs to always unlock/lock.
56
self.repository._warn_if_deprecated(self)
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self.repository.lock_write()
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return BranchWriteLockResult(self.unlock,
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self.control_files.lock_write(token=token))
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self.repository.unlock()
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"""Lock the branch for read operations.
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:return: A bzrlib.lock.LogicalLockResult.
70
if not self.is_locked():
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# All-in-one needs to always unlock/lock.
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self.repository._warn_if_deprecated(self)
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self.repository.lock_read()
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self.control_files.lock_read()
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return LogicalLockResult(self.unlock)
79
self.repository.unlock()
82
@only_raises(errors.LockNotHeld, errors.LockBroken)
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if self.control_files._lock_count == 2 and self.conf_store is not None:
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self.conf_store.save_changes()
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self.control_files.unlock()
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# All-in-one needs to always unlock/lock.
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self.repository.unlock()
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if not self.control_files.is_locked():
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# we just released the lock
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self._clear_cached_state()
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37
def _get_checkout_format(self, lightweight=False):
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38
"""Return the most suitable metadir for a checkout of this branch.
added
removed
bzrlib/plugins/weave_fmt/branch.py
