Subject: [PATCH] commit-tree: simplify parsing of option -S using skip_prefix()

From: René Scharfe <[email-masked]>
Date: Wed, 24 Dec 2014 01:18:11 +0100

Signed-off-by: Rene Scharfe <[email-masked]>
---
 builtin/commit-tree.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/builtin/commit-tree.c b/builtin/commit-tree.c
index 8a66c74..25aa2cd 100644
--- a/builtin/commit-tree.c
+++ b/builtin/commit-tree.c
@@ -66,10 +66,8 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix)
 			continue;
 		}
 
-		if (!memcmp(arg, "-S", 2)) {
-			sign_commit = arg + 2;
+		if (skip_prefix(arg, "-S", &sign_commit))
 			continue;
-		}
 
 		if (!strcmp(arg, "--no-gpg-sign")) {
 			sign_commit = NULL;
-- 
2.2.1