From 276b8549ee177ee584699638dd17eb358e25ace1 Mon Sep 17 00:00:00 2001
From: Michael Gottesman <mgottesman@apple.com>
Date: Fri, 26 Apr 2013 03:27:39 +0000
Subject: [PATCH] Use 'git svn find-rev' in git-svnrevert instead of shell
 script fu.

Thanks Chandler!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180592 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/git-svn/git-svnrevert | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/utils/git-svn/git-svnrevert b/utils/git-svn/git-svnrevert
index de4ff1cd466..06a9c440915 100755
--- a/utils/git-svn/git-svnrevert
+++ b/utils/git-svn/git-svnrevert
@@ -14,10 +14,9 @@ fi
 
 COMMIT=$1
 
-SVN_REVISION=$(git log -1 $COMMIT | grep git-svn-id | tr -s "@" " " | cut -f 4 -d " ")
-
-if [ -z "$SVN_REVISION" ]; then
-    echo "Error! Given commit is not a git-svn revision!"
+SVN_REVISION=$(git svn find-rev "$COMMIT")
+if [ $? -ne 0 ]; then
+    echo "Error! Could not find an svn revision for commit $COMMIT!"
     exit 1
 fi