1 files changed, 62 insertions, 0 deletions
diff --git a/third_party/git/builtin/multi-pack-index.c b/third_party/git/builtin/multi-pack-index.c
new file mode 100644
index 000000000000..b1ea1a6aa177
--- /dev/null
+++ b/third_party/git/builtin/multi-pack-index.c
@@ -0,0 +1,62 @@
+#include "builtin.h"
+#include "cache.h"
+#include "config.h"
+#include "parse-options.h"
+#include "midx.h"
+#include "trace2.h"
+
+static char const * const builtin_multi_pack_index_usage[] = {
+	N_("git multi-pack-index [--object-dir=<dir>] (write|verify|expire|repack --batch-size=<size>)"),
+	NULL
+};
+
+static struct opts_multi_pack_index {
+	const char *object_dir;
+	unsigned long batch_size;
+} opts;
+
+int cmd_multi_pack_index(int argc, const char **argv,
+			 const char *prefix)
+{
+	static struct option builtin_multi_pack_index_options[] = {
+		OPT_FILENAME(0, "object-dir", &opts.object_dir,
+		  N_("object directory containing set of packfile and pack-index pairs")),
+		OPT_MAGNITUDE(0, "batch-size", &opts.batch_size,
+		  N_("during repack, collect pack-files of smaller size into a batch that is larger than this size")),
+		OPT_END(),
+	};
+
+	git_config(git_default_config, NULL);
+
+	argc = parse_options(argc, argv, prefix,
+			     builtin_multi_pack_index_options,
+			     builtin_multi_pack_index_usage, 0);
+
+	if (!opts.object_dir)
+		opts.object_dir = get_object_directory();
+
+	if (argc == 0)
+		usage_with_options(builtin_multi_pack_index_usage,
+				   builtin_multi_pack_index_options);
+
+	if (argc > 1) {
+		die(_("too many arguments"));
+		return 1;
+	}
+
+	trace2_cmd_mode(argv[0]);
+
+	if (!strcmp(argv[0], "repack"))
+		return midx_repack(the_repository, opts.object_dir, (size_t)opts.batch_size);
+	if (opts.batch_size)
+		die(_("--batch-size option is only for 'repack' subcommand"));
+
+	if (!strcmp(argv[0], "write"))
+		return write_midx_file(opts.object_dir);
+	if (!strcmp(argv[0], "verify"))
+		return verify_midx_file(the_repository, opts.object_dir);
+	if (!strcmp(argv[0], "expire"))
+		return expire_midx_packs(the_repository, opts.object_dir);
+
+	die(_("unrecognized subcommand: %s"), argv[0]);
+}