Function graph_write

builtin/commit-graph.c:222–339

}

static int graph_write(int argc, const char **argv, const char *prefix,
		       struct repository *repo UNUSED)
{
	struct string_list pack_indexes = STRING_LIST_INIT_DUP;
	struct strbuf buf = STRBUF_INIT;
	struct oidset commits = OIDSET_INIT;
	struct odb_source *source = NULL;
	int result = 0;
	enum commit_graph_write_flags flags = 0;
	struct progress *progress = NULL;

	static struct option builtin_commit_graph_write_options[] = {
		OPT_BOOL(0, "reachable", &opts.reachable,
			N_("start walk at all refs")),
		OPT_BOOL(0, "stdin-packs", &opts.stdin_packs,
			N_("scan pack-indexes listed by stdin for commits")),
		OPT_BOOL(0, "stdin-commits", &opts.stdin_commits,
			N_("start walk at commits listed by stdin")),
		OPT_BOOL(0, "append", &opts.append,
			N_("include all commits already in the commit-graph file")),
		OPT_BOOL(0, "changed-paths", &opts.enable_changed_paths,
			N_("enable computation for changed paths")),
		OPT_CALLBACK_F(0, "split", &write_opts.split_flags, NULL,
			N_("allow writing an incremental commit-graph file"),
			PARSE_OPT_OPTARG | PARSE_OPT_NONEG,
			write_option_parse_split),
		OPT_INTEGER(0, "max-commits", &write_opts.max_commits,
			N_("maximum number of commits in a non-base split commit-graph")),
		OPT_INTEGER(0, "size-multiple", &write_opts.size_multiple,
			N_("maximum ratio between two levels of a split commit-graph")),
		OPT_EXPIRY_DATE(0, "expire-time", &write_opts.expire_time,
			N_("only expire files older than a given date-time")),
		OPT_CALLBACK_F(0, "max-new-filters", &write_opts.max_new_filters,
			NULL, N_("maximum number of changed-path Bloom filters to compute"),
			0, write_option_max_new_filters),
		OPT_BOOL(0, "progress", &opts.progress,
			 N_("force progress reporting")),
		OPT_END(),
	};
	struct option *options = add_common_options(builtin_commit_graph_write_options);

	opts.progress = isatty(2);
	opts.enable_changed_paths = -1;
	write_opts.size_multiple = 2;
	write_opts.max_commits = 0;
	write_opts.expire_time = 0;
	write_opts.max_new_filters = -1;

	trace2_cmd_mode("write");

	repo_config(the_repository, git_commit_graph_write_config, &opts);

	argc = parse_options(argc, argv, prefix,
			     options,
			     builtin_commit_graph_write_usage, 0);
	if (argc)
		usage_with_options(builtin_commit_graph_write_usage, options);