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  • Committer: Max Bowsher
  • Date: 2011-02-09 04:08:25 UTC
  • mfrom: (0.5074.6 lucid)
  • Revision ID: maxb@f2s.com-20110209040825-7jqm4i78b8ojoy9z
Merge beta-ppa into ppa upon release of 2.3.0.

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Lines of Context:
bzrlib/merge.py
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            elif len(lcas) == 1:
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                self.base_rev_id = list(lcas)[0]
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            else: # len(lcas) > 1
 
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                self._is_criss_cross = True
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                if len(lcas) > 2:
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                    # find_unique_lca can only handle 2 nodes, so we have to
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                    # start back at the beginning. It is a shame to traverse
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                else:
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                    self.base_rev_id = self.revision_graph.find_unique_lca(
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                                            *lcas)
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                self._is_criss_cross = True
 
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                sorted_lca_keys = self.revision_graph.find_merge_order(                
 
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                    revisions[0], lcas)
 
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                if self.base_rev_id == _mod_revision.NULL_REVISION:
 
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                    self.base_rev_id = sorted_lca_keys[0]
 
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            if self.base_rev_id == _mod_revision.NULL_REVISION:
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                raise errors.UnrelatedBranches()
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            if self._is_criss_cross:
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                trace.warning('Warning: criss-cross merge encountered.  See bzr'
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                              ' help criss-cross.')
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                trace.mutter('Criss-cross lcas: %r' % lcas)
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                interesting_revision_ids = [self.base_rev_id]
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                interesting_revision_ids.extend(lcas)
 
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                if self.base_rev_id in lcas:
 
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                    trace.mutter('Unable to find unique lca. '
 
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                                 'Fallback %r as best option.' % self.base_rev_id)
 
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                interesting_revision_ids = set(lcas)
 
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                interesting_revision_ids.add(self.base_rev_id)
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                interesting_trees = dict((t.get_revision_id(), t)
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                    for t in self.this_branch.repository.revision_trees(
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                        interesting_revision_ids))
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                self._cached_trees.update(interesting_trees)
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                self.base_tree = interesting_trees.pop(self.base_rev_id)
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                sorted_lca_keys = self.revision_graph.find_merge_order(
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                    revisions[0], lcas)
 
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                if self.base_rev_id in lcas:
 
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                    self.base_tree = interesting_trees[self.base_rev_id]
 
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                else:
 
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                    self.base_tree = interesting_trees.pop(self.base_rev_id)
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                self._lca_trees = [interesting_trees[key]
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                                   for key in sorted_lca_keys]
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            else:
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        return result
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    def fix_root(self):
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        try:
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            self.tt.final_kind(self.tt.root)
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        except errors.NoSuchFile:
 
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        if self.tt.final_kind(self.tt.root) is None:
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            self.tt.cancel_deletion(self.tt.root)
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        if self.tt.final_file_id(self.tt.root) is None:
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            self.tt.version_file(self.tt.tree_file_id(self.tt.root),
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            # the other tree's root is a non-root in the current tree (as when
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            # a previously unrelated branch is merged into another)
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            return
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        try:
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            self.tt.final_kind(other_root)
 
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        if self.tt.final_kind(other_root) is not None:
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            other_root_is_present = True
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        except errors.NoSuchFile:
 
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        else:
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            # other_root doesn't have a physical representation. We still need
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            # to move any references to the actual root of the tree.
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            other_root_is_present = False
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        for thing, child in self.other_tree.inventory.root.children.iteritems():
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            trans_id = self.tt.trans_id_file_id(child.file_id)
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            if not other_root_is_present:
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                # FIXME: Make final_kind returns None instead of raising
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                # NoSuchFile to avoid the ugly construct below -- vila 20100402
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                try:
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                    self.tt.final_kind(trans_id)
 
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                if self.tt.final_kind(trans_id) is not None:
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                    # The item exist in the final tree and has a defined place
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                    # to go already.
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                    continue
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                except errors.NoSuchFile, e:
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                    pass
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            # Move the item into the root
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            self.tt.adjust_path(self.tt.final_name(trans_id),
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                                self.tt.root, trans_id)
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            self.tt.version_file(file_id, trans_id)
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        # The merge has been performed, so the old contents should not be
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        # retained.
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        try:
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            self.tt.delete_contents(trans_id)
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        except errors.NoSuchFile:
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            pass
 
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        self.tt.delete_contents(trans_id)
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        return result
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    def _default_other_winner_merge(self, merge_hook_params):
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        if winner == 'this' and file_status != "modified":
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            return
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        trans_id = self.tt.trans_id_file_id(file_id)
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        try:
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            if self.tt.final_kind(trans_id) != "file":
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                return
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        except errors.NoSuchFile:
 
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        if self.tt.final_kind(trans_id) != "file":
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            return
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        if winner == "this":
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            executability = this_executable