Re: [PATCH 12/12] receive-pack: send keepalives during quiet periods

diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 1cba120..54f2cfb 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c

@@ -1626,6 +1626,7 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
 	struct pack_idx_option opts;
 	unsigned char pack_sha1[20];
 	unsigned foreign_nr = 1;	/* zero is a "good" value, assume bad */
+	int report_end_of_input = 0;
 
 	if (argc == 2 && !strcmp(argv[1], "-h"))
 		usage(index_pack_usage);

@@ -1697,6 +1698,8 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
 				verbose = 1;
 			} else if (!strcmp(arg, "--show-resolving-progress")) {
 				show_resolving_progress = 1;
+			} else if (!strcmp(arg, "--report-end-of-input")) {
+				report_end_of_input = 1;
 			} else if (!strcmp(arg, "-o")) {
 				if (index_name || (i+1) >= argc)
 					usage(index_pack_usage);

@@ -1754,6 +1757,8 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
 		obj_stat = xcalloc(st_add(nr_objects, 1), sizeof(struct object_stat));
 	ofs_deltas = xcalloc(nr_objects, sizeof(struct ofs_delta_entry));
 	parse_pack_objects(pack_sha1);
+	if (report_end_of_input)
+		write_in_full(2, "\0", 1);
 	resolve_deltas();
 	conclude_pack(fix_thin_pack, curr_pack, pack_sha1);
 	free(ofs_deltas);