[PATCH] for-each-ref: remove multiple xstrdup() in get_short_ref()

[Bert Wesarg <bert.wesarg@googlemail.com>]

Now that get_short_ref() always return an malloced string, consolidate to
one xstrcpy() call.

Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com>

---
Also an 

Acked-by: Bert Wesarg <bert.wesarg@googlemail.com>

for Jeffs patch.

 builtin-for-each-ref.c |   11 +++++------
 1 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c
index 4aaf75c..108c128 100644
--- a/builtin-for-each-ref.c
+++ b/builtin-for-each-ref.c
@@ -596,13 +596,13 @@ static char *get_short_ref(const char *ref)
 		}
 	}
 
-	/* bail out if there are no rules */
-	if (!nr_rules)
-		return xstrdup(ref);
-
 	/* buffer for scanf result, at most ref must fit */
 	short_name = xstrdup(ref);
 
+	/* bail out if there are no rules */
+	if (!nr_rules)
+		return short_name;
+
 	/* skip first rule, it will always match */
 	for (i = nr_rules - 1; i > 0 ; --i) {
 		int j;
@@ -641,8 +641,7 @@ static char *get_short_ref(const char *ref)
 			return short_name;
 	}
 
-	free(short_name);
-	return xstrdup(ref);
+	return strcpy(short_name, ref);
 }
 
 
-- 
tg: (e9786d7..) bw/ammend-jk/refactor-get_short_ref (depends on: jk/refactor-get_short_ref)