From 5296876da512d948177cd88e4a7661d30ad47fde 2015-03-25 18:06:24
From: Min RK <benjaminrk@gmail.com>
Date: 2015-03-25 18:06:24
Subject: [PATCH] update already-backported search pattern

catches PRs merged before splitting the 3.x branch
---

diff --git a/tools/backport_pr.py b/tools/backport_pr.py
index baec9bb..21df4b3 100755
--- a/tools/backport_pr.py
+++ b/tools/backport_pr.py
@@ -107,7 +107,7 @@ def backport_pr(branch, num, project='ipython/ipython'):
 
     return 0
 
-backport_re = re.compile(r"[Bb]ackport.*?(\d+)")
+backport_re = re.compile(r"(?:[Bb]ackport|[Mm]erge).*#(\d+)")
 
 def already_backported(branch, since_tag=None):
     """return set of PRs that have been backported already"""