Function restore_test_env

tests/test_cli.c:360–367

}

static void restore_test_env(const char *name, char *saved) {
    if (saved) {
        cbm_setenv(name, saved, 1);
        free(saved);
    } else {
        cbm_unsetenv(name);
    }
}

/* Helper: mkdirp */
static int test_mkdirp(const char *path) {