Function git_config_from_parameters

config.c:731–797

}

int git_config_from_parameters(config_fn_t fn, void *data)
{
	const char *env;
	struct strbuf envvar = STRBUF_INIT;
	struct strvec to_free = STRVEC_INIT;
	int ret = 0;
	char *envw = NULL;
	struct key_value_info kvi = KVI_INIT;

	kvi_from_param(&kvi);
	env = getenv(CONFIG_COUNT_ENVIRONMENT);
	if (env) {
		unsigned long count;
		char *endp;

		count = strtoul(env, &endp, 10);
		if (*endp) {
			ret = error(_("bogus count in %s"), CONFIG_COUNT_ENVIRONMENT);
			goto out;
		}
		if (count > INT_MAX) {
			ret = error(_("too many entries in %s"), CONFIG_COUNT_ENVIRONMENT);
			goto out;
		}

		for (unsigned long i = 0; i < count; i++) {
			const char *key, *value;

			strbuf_addf(&envvar, "GIT_CONFIG_KEY_%lu", i);
			key = getenv_safe(&to_free, envvar.buf);
			if (!key) {
				ret = error(_("missing config key %s"), envvar.buf);
				goto out;
			}
			strbuf_reset(&envvar);

			strbuf_addf(&envvar, "GIT_CONFIG_VALUE_%lu", i);
			value = getenv_safe(&to_free, envvar.buf);
			if (!value) {
				ret = error(_("missing config value %s"), envvar.buf);
				goto out;
			}
			strbuf_reset(&envvar);

			if (config_parse_pair(key, value, &kvi, fn, data) < 0) {
				ret = -1;
				goto out;
			}
		}
	}

	env = getenv(CONFIG_DATA_ENVIRONMENT);
	if (env) {
		/* sq_dequote will write over it */
		envw = xstrdup(env);
		if (parse_config_env_list(envw, &kvi, fn, data) < 0) {
			ret = -1;
			goto out;