builtin/fetch.c: comment that branch->remote_name is usable when has_merge
Save future readers the trouble of tracing code to determine that the two
uses of branch->remote_name are safe when has_merge is set, by adding a
comment explaining that it is so.
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/fetch.c b/builtin/fetch.c
index fccc9cb..6fc5047 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -148,6 +148,7 @@
int has_merge = branch_has_merge_config(branch);
if (remote &&
(remote->fetch_refspec_nr ||
+ /* Note: has_merge implies non-NULL branch->remote_name */
(has_merge && !strcmp(branch->remote_name, remote->name)))) {
for (i = 0; i < remote->fetch_refspec_nr; i++) {
get_fetch_map(remote_refs, &remote->fetch[i], &tail, 0);
@@ -162,6 +163,8 @@
* if the remote we're fetching from is the same
* as given in branch.<name>.remote, we add the
* ref given in branch.<name>.merge, too.
+ *
+ * Note: has_merge implies non-NULL branch->remote_name
*/
if (has_merge &&
!strcmp(branch->remote_name, remote->name))
