remote.h: replace struct extra_have_objects with struct sha1_array

The latter can do everything the former can and is used in many more
places.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/connect.c b/connect.c
index 06e88b0..48eec41 100644
--- a/connect.c
+++ b/connect.c
@@ -8,6 +8,7 @@
 #include "connect.h"
 #include "url.h"
 #include "string-list.h"
+#include "sha1-array.h"
 
 static char *server_capabilities;
 static const char *parse_feature_value(const char *, const char *, int *);
@@ -45,13 +46,6 @@
 	return check_ref(ref->name, strlen(ref->name), flags);
 }
 
-static void add_extra_have(struct extra_have_objects *extra, unsigned char *sha1)
-{
-	ALLOC_GROW(extra->array, extra->nr + 1, extra->alloc);
-	hashcpy(&(extra->array[extra->nr][0]), sha1);
-	extra->nr++;
-}
-
 static void die_initial_contact(int got_at_least_one_head)
 {
 	if (got_at_least_one_head)
@@ -122,7 +116,7 @@
  */
 struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
 			      struct ref **list, unsigned int flags,
-			      struct extra_have_objects *extra_have)
+			      struct sha1_array *extra_have)
 {
 	struct ref **orig_list = list;
 	int got_at_least_one_head = 0;
@@ -160,7 +154,7 @@
 
 		if (extra_have &&
 		    name_len == 5 && !memcmp(".have", name, 5)) {
-			add_extra_have(extra_have, old_sha1);
+			sha1_array_append(extra_have, old_sha1);
 			continue;
 		}