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  • Committer: Jelmer Vernooij
  • Date: 2019-06-03 23:48:08 UTC
  • mfrom: (7316 work)
  • mto: This revision was merged to the branch mainline in revision 7328.
  • Revision ID: jelmer@jelmer.uk-20190603234808-15yk5c7054tj8e2b
Merge trunk.

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Lines of Context:
breezy/repository.py
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                                                      self.unlock)
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class WriteGroup(object):
 
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    """Context manager that manages a write group.
 
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    Raising an exception will result in the write group being aborted.
 
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    """
 
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    def __init__(self, repository, suppress_errors=False):
 
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        self.repository = repository
 
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        self._suppress_errors = suppress_errors
 
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    def __enter__(self):
 
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        self.repository.start_write_group()
 
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        return self
 
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    def __exit__(self, exc_type, exc_val, exc_tb):
 
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        if exc_type:
 
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            self.repository.abort_write_group(self._suppress_errors)
 
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            return False
 
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        else:
 
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            self.repository.commit_write_group()
 
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######################################################################
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# Repositories
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        partial_history = [known_revid]
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        distance_from_known = known_revno - revno
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        if distance_from_known < 0:
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            raise ValueError(
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                'requested revno (%d) is later than given known revno (%d)'
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                % (revno, known_revno))
 
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            raise errors.RevnoOutOfBounds(revno, (0, known_revno))
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        try:
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            _iter_for_revno(
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                self, partial_history, stop_index=distance_from_known)
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        except errors.RevisionNotPresent as err:
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            if err.revision_id == known_revid:
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                # The start revision (known_revid) wasn't found.
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                raise
 
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                raise errors.NoSuchRevision(self, known_revid)
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            # This is a stacked repository with no fallbacks, or a there's a
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            # left-hand ghost.  Either way, even though the revision named in
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            # the error isn't in this repo, we know it's the next step in this