remote: refactor code into alloc_delete_ref()

Will be useful in next patches. No functional changes.

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

diff --git a/remote.c b/remote.c
index 4b06a11732cfc66747178d697f56ef39d7a1eb72..c3cf736600efbec2e7ceae8c45e511ba0ffb91df 100644 (file)
--- a/remote.c
+++ b/remote.c
@@ -978,16 +978,20 @@ static void tail_link_ref(struct ref *ref, struct ref ***tail)
        *tail = &ref->next;
 }
 
+static struct ref *alloc_delete_ref(void)
+{
+       struct ref *ref = alloc_ref("(delete)");
+       hashclr(ref->new_sha1);
+       return ref;
+}
+
 static struct ref *try_explicit_object_name(const char *name)
 {
        unsigned char sha1[20];
        struct ref *ref;
 
-       if (!*name) {
-               ref = alloc_ref("(delete)");
-               hashclr(ref->new_sha1);
-               return ref;
-       }
+       if (!*name)
+               return alloc_delete_ref();
        if (get_sha1(name, sha1))
                return NULL;
        ref = alloc_ref(name);