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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2008-09-22 06:45:55 UTC
  • mfrom: (3703.3.9 faster-empty-push)
  • Revision ID: pqm@pqm.ubuntu.com-20080922064555-jayr5evddyn8w7g6
Faster push when there are no new revisions,
        and when there are no local tags. (Andrew Bennetts)

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bzrlib/branch.py
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        result.source_branch = self
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        result.target_branch = target
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        result.old_revno, result.old_revid = target.last_revision_info()
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        # We assume that during 'push' this repository is closer than
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        # the target.
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        graph = self.repository.get_graph(target.repository)
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        target.update_revisions(self, stop_revision, overwrite=overwrite,
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                                graph=graph)
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        result.tag_conflicts = self.tags.merge_to(target.tags, overwrite)
 
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        if result.old_revid != self.last_revision():
 
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            # We assume that during 'push' this repository is closer than
 
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            # the target.
 
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            graph = self.repository.get_graph(target.repository)
 
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            target.update_revisions(self, stop_revision, overwrite=overwrite,
 
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                                    graph=graph)
 
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        if self._push_should_merge_tags():
 
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            result.tag_conflicts = self.tags.merge_to(target.tags, overwrite)
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        result.new_revno, result.new_revid = target.last_revision_info()
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        return result
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    def _push_should_merge_tags(self):
 
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        """Should _basic_push merge this branch's tags into the target?
 
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        The default implementation returns False if this branch has no tags,
 
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        and True the rest of the time.  Subclasses may override this.
 
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        """
 
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        return self.tags.supports_tags() and self.tags.get_tag_dict()
 
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    def get_parent(self):
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        """See Branch.get_parent."""
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        parent = self._get_parent_location()