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  • Committer: Vincent Ladeuil
  • Date: 2009-07-08 13:36:29 UTC
  • mto: (4524.1.1 integration)
  • mto: This revision was merged to the branch mainline in revision 4525.
  • Revision ID: v.ladeuil+lp@free.fr-20090708133629-hb2ipu8s13ek0bm7
Take review comments into account.

* bzrlib/tests/intertree_implementations/test_compare.py:
(TestIterChanges.check_has_changes): Test has_changes only if one
the trees is mutable.

* bzrlib/tree.py:
(Tree.has_changes): Moved to MutableTree.

* bzrlib/mutabletree.py:
(MutableTree.has_changes): Moved from Tree as required.

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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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