Function cmd_init_db

builtin/init-db.c:72–264

* If you want to, you can share the DB area with any number of branches. * That has advantages: you can save space by sharing all the SHA1 objects. * On the other hand, it might just make lookup slower and messier. You * be the judge. The default case is to have one DB per managed directory. */

 * be the judge.  The default case is to have one DB per managed directory.
 */
int cmd_init_db(int argc,
		const char **argv,
		const char *prefix,
		struct repository *repo UNUSED)
{
	char *git_dir;
	const char *real_git_dir = NULL;
	char *real_git_dir_to_free = NULL;
	char *work_tree = NULL;
	const char *template_dir = NULL;
	char *template_dir_to_free = NULL;
	unsigned int flags = 0;
	const char *object_format = NULL;
	const char *ref_format = NULL;
	const char *initial_branch = NULL;
	int hash_algo = GIT_HASH_UNKNOWN;
	enum ref_storage_format ref_storage_format = REF_STORAGE_FORMAT_UNKNOWN;
	int init_shared_repository = -1;
	const struct option init_db_options[] = {
		OPT_STRING(0, "template", &template_dir, N_("template-directory"),
				N_("directory from which templates will be used")),
		OPT_SET_INT(0, "bare", &is_bare_repository_cfg,
				N_("create a bare repository"), 1),
		{
			.type = OPTION_CALLBACK,
			.long_name = "shared",
			.value = &init_shared_repository,
			.argh = N_("permissions"),
			.help = N_("specify that the git repository is to be shared amongst several users"),
			.flags = PARSE_OPT_OPTARG | PARSE_OPT_NONEG,
			.callback = shared_callback
		},
		OPT_BIT('q', "quiet", &flags, N_("be quiet"), INIT_DB_QUIET),
		OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"),
			   N_("separate git dir from working tree")),
		OPT_STRING('b', "initial-branch", &initial_branch, N_("name"),
			   N_("override the name of the initial branch")),
		OPT_STRING(0, "object-format", &object_format, N_("hash"),
			   N_("specify the hash algorithm to use")),
		OPT_STRING(0, "ref-format", &ref_format, N_("format"),
			   N_("specify the reference format to use")),
		OPT_END()
	};
	int ret;

	argc = parse_options(argc, argv, prefix, init_db_options, init_db_usage, 0);

	if (real_git_dir && is_bare_repository_cfg == 1)
		die(_("options '%s' and '%s' cannot be used together"), "--separate-git-dir", "--bare");

	if (real_git_dir && !is_absolute_path(real_git_dir))
		real_git_dir = real_git_dir_to_free = real_pathdup(real_git_dir, 1);

	if (template_dir && *template_dir && !is_absolute_path(template_dir))
		template_dir = template_dir_to_free = absolute_pathdup(template_dir);

	if (argc == 1) {
		int mkdir_tried = 0;