Merge lp:~andrewsomething/bzr-grep/bzr2.6compat into lp:bzr-grep

[Andrew Starr-Bochicchio]

Update to use 'graph.iter_lefthand_ancestry' instead of
'repo.iter_reverse_revision_history' making compatible with bzr 2.6

[Jelmer Vernooij (jelmer)]

Note that bzr-grep has been merged into bzr core in newer versions of bzr.

Unmerged revisions

148. By Andrew Starr-Bochicchio on 2012-09-27

Make compatible with bzr 2.6

=== modified file 'grep.py'
--- grep.py	2011-12-20 15:39:20 +0000
+++ grep.py	2012-09-27 03:50:24 +0000
@@ -67,7 +67,10 @@
 def _linear_view_revisions(branch, start_rev_id, end_rev_id):
     # requires that start is older than end
     repo = branch.repository
-    for revision_id in repo.iter_reverse_revision_history(end_rev_id):
+    graph = repo.get_graph()
+    rev_sequence = graph.iter_lefthand_ancestry(end_rev_id,
+                                               (_mod_revision.NULL_REVISION,))
+    for revision_id in rev_sequence:
         revno = branch.revision_id_to_dotted_revno(revision_id)
         revno_str = '.'.join(str(n) for n in revno)
         if revision_id == start_rev_id: