Function cmd_range_diff

builtin/range-diff.c:35–197

}

int cmd_range_diff(int argc,
		   const char **argv,
		   const char *prefix,
		   struct repository *repo UNUSED)
{
	struct diff_options diffopt = { NULL };
	struct strvec log_arg = STRVEC_INIT;
	struct strvec diff_merges_arg = STRVEC_INIT;
	struct range_diff_options range_diff_opts = {
		.creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT,
		.max_memory = RANGE_DIFF_MAX_MEMORY_DEFAULT,
		.diffopt = &diffopt,
		.log_arg = &log_arg
	};
	int simple_color = -1, left_only = 0, right_only = 0;
	struct option range_diff_options[] = {
		OPT_INTEGER(0, "creation-factor",
			    &range_diff_opts.creation_factor,
			    N_("percentage by which creation is weighted")),
		OPT_BOOL(0, "no-dual-color", &simple_color,
			    N_("use simple diff colors")),
		OPT_PASSTHRU_ARGV(0, "notes", &log_arg,
				  N_("notes"), N_("passed to 'git log'"),
				  PARSE_OPT_OPTARG),
		OPT_PASSTHRU_ARGV(0, "diff-merges", &diff_merges_arg,
				  N_("style"), N_("passed to 'git log'"), 0),
		OPT_CALLBACK(0, "max-memory", &range_diff_opts.max_memory,
			     N_("size"),
			     N_("maximum memory for cost matrix (default 4G)"),
			     parse_max_memory),
		OPT_PASSTHRU_ARGV(0, "remerge-diff", &diff_merges_arg, NULL,
				  N_("passed to 'git log'"), PARSE_OPT_NOARG),
		OPT_BOOL(0, "left-only", &left_only,
			 N_("only emit output related to the first range")),
		OPT_BOOL(0, "right-only", &right_only,
			 N_("only emit output related to the second range")),
		OPT_END()
	};
	struct option *options;
	int i, dash_dash = -1, res = 0;
	struct strbuf range1 = STRBUF_INIT, range2 = STRBUF_INIT;
	struct object_id oid;
	const char *three_dots = NULL;

	repo_config(the_repository, git_diff_ui_config, NULL);

	repo_diff_setup(the_repository, &diffopt);

	options = add_diff_options(range_diff_options, &diffopt);
	argc = parse_options(argc, argv, prefix, options,
			     builtin_range_diff_usage, PARSE_OPT_KEEP_DASHDASH);

	diff_setup_done(&diffopt);

	/* force color when --dual-color was used */
	if (!simple_color)
		diffopt.use_color = GIT_COLOR_ALWAYS;