Function fmt_ident

ident.c:456–542

}

const char *fmt_ident(const char *name, const char *email,
		      enum want_ident whose_ident, const char *date_str, int flag)
{
	static int index;
	static struct strbuf ident_pool[2] = { STRBUF_INIT, STRBUF_INIT };
	int strict = (flag & IDENT_STRICT);
	int want_date = !(flag & IDENT_NO_DATE);
	int want_name = !(flag & IDENT_NO_NAME);

	struct strbuf *ident = &ident_pool[index];
	index = (index + 1) % ARRAY_SIZE(ident_pool);

	if (!email) {
		if (whose_ident == WANT_AUTHOR_IDENT && git_author_email.len)
			email = git_author_email.buf;
		else if (whose_ident == WANT_COMMITTER_IDENT && git_committer_email.len)
			email = git_committer_email.buf;
	}
	if (!email) {
		if (strict && ident_use_config_only
		    && !(ident_config_given & IDENT_MAIL_GIVEN)) {
			ident_env_hint(whose_ident);
			die(_("no email was given and auto-detection is disabled"));
		}
		email = ident_default_email();
		if (strict && default_email_is_bogus) {
			ident_env_hint(whose_ident);
			die(_("unable to auto-detect email address (got '%s')"), email);
		}
	}

	if (want_name) {
		int using_default = 0;
		if (!name) {
			if (whose_ident == WANT_AUTHOR_IDENT && git_author_name.len)
				name = git_author_name.buf;
			else if (whose_ident == WANT_COMMITTER_IDENT &&
					git_committer_name.len)
				name = git_committer_name.buf;
		}
		if (!name) {
			if (strict && ident_use_config_only
			    && !(ident_config_given & IDENT_NAME_GIVEN)) {
				ident_env_hint(whose_ident);
				die(_("no name was given and auto-detection is disabled"));
			}
			name = ident_default_name();
			using_default = 1;
			if (strict && default_name_is_bogus) {
				ident_env_hint(whose_ident);
				die(_("unable to auto-detect name (got '%s')"), name);
			}
		}
		if (!*name) {
			struct passwd *pw;
			if (strict) {
				if (using_default)
					ident_env_hint(whose_ident);