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  • Committer: Robert Collins
  • Date: 2009-08-04 04:36:34 UTC
  • mfrom: (4583 +trunk)
  • mto: This revision was merged to the branch mainline in revision 4593.
  • Revision ID: robertc@robertcollins.net-20090804043634-2iu9wpcgs273i97s
Merge bzr.dev.

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bzrlib/mutabletree.py
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        raise NotImplementedError(self._gather_kinds)
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    @needs_read_lock
 
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    def has_changes(self, from_tree):
 
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        """Quickly check that the tree contains at least one change.
 
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        :return: True if a change is found. False otherwise
 
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        """
 
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        changes = self.iter_changes(from_tree)
 
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        try:
 
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            change = changes.next()
 
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            # Exclude root (talk about black magic... --vila 20090629)
 
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            if change[4] == (None, None):
 
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                change = changes.next()
 
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            return True
 
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        except StopIteration:
 
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            # No changes
 
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            return False
 
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    @needs_read_lock
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    def last_revision(self):
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        """Return the revision id of the last commit performed in this tree.
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        for commit which is not required to handle situations that do not arise
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        outside of commit.
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        See the inventory developers documentation for the theory behind
 
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        inventory deltas.
 
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        :param new_revid: The new revision id for the trees parent.
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        :param delta: An inventory delta (see apply_inventory_delta) describing
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            the changes from the current left most parent revision to new_revid.