pack: move has_pack_index()

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

cache.h

@@ -1226,8 +1226,6 @@ extern int has_object_file_with_flags(const struct object_id *oid, int flags);
  */
 extern int has_loose_object_nonlocal(const unsigned char *sha1);
 
-extern int has_pack_index(const unsigned char *sha1);
-
 extern void assert_sha1_type(const unsigned char *sha1, enum object_type expect);
 
 /* Helper to check and "touch" a file */

packfile.c

@@ -1846,3 +1846,11 @@ int has_sha1_pack(const unsigned char *sha1)
 	struct pack_entry e;
 	return find_pack_entry(sha1, &e);
 }
+
+int has_pack_index(const unsigned char *sha1)
+{
+	struct stat st;
+	if (stat(sha1_pack_index_name(sha1), &st))
+		return 0;
+	return 1;
+}

packfile.h

@@ -122,4 +122,6 @@ extern int find_pack_entry(const unsigned char *sha1, struct pack_entry *e);
 
 extern int has_sha1_pack(const unsigned char *sha1);
 
+extern int has_pack_index(const unsigned char *sha1);
+
 #endif

sha1_file.c

@@ -1623,14 +1623,6 @@ int force_object_loose(const unsigned char *sha1, time_t mtime)
 	return ret;
 }
 
-int has_pack_index(const unsigned char *sha1)
-{
-	struct stat st;
-	if (stat(sha1_pack_index_name(sha1), &st))
-		return 0;
-	return 1;
-}
-
 int has_sha1_file_with_flags(const unsigned char *sha1, int flags)
 {
 	if (!startup_info->have_repository)