$ git clone -n https://gitee.com/opencloudos-stream/nss-altfiles.git /home/lib/mock/dist-ocs23-build-240126-21765/root/chroot_tmpdir/scmroot/nss-altfiles
Cloning into '/home/lib/mock/dist-ocs23-build-240126-21765/root/chroot_tmpdir/scmroot/nss-altfiles'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/nss-altfiles
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 331bd15 Rebuilt for loongarch release