return !!(st.f_flag & ST_RDONLY);
}
+
+int path_is_os_tree(const char *path) {
+ char *p;
+ int r;
+
+ /* We use /etc/os-release as flag file if something is an OS */
+
+ p = strappenda(path, "/etc/os-release");
+ r = access(p, F_OK);
+
+ return r < 0 ? 0 : 1;
+}