sha1_name: remove no-op

'at' is always 0, since we can reach this point only if
!len && reflog_len, and len=at when reflog is assigned.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/sha1_name.c b/sha1_name.c
index 3820f28ae757cce54a95014629ade4f7feb56efc..01e49a92dd1fe7ae9f37f8967fc2710b7d45897d 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -464,7 +464,7 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1)
                struct strbuf buf = STRBUF_INIT;
                int ret;
                /* try the @{-N} syntax for n-th checkout */
-               ret = interpret_branch_name(str+at, &buf);
+               ret = interpret_branch_name(str, &buf);
                if (ret > 0) {
                        /* substitute this branch name and restart */
                        return get_sha1_1(buf.buf, buf.len, sha1, 0);