$ git clone -n https://gitee.com/src-opencloudos-rpms/nss.git /var/lib/mock/dist-oc8-build-252909-84242/root/chroot_tmpdir/scmroot/nss
Cloning into '/var/lib/mock/dist-oc8-build-252909-84242/root/chroot_tmpdir/scmroot/nss'...
$ git fetch origin 3beb7a6cef8544a7bee8cadcac0a7047cc17729c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/nss
 * [new ref]         3beb7a6cef8544a7bee8cadcac0a7047cc17729c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3beb7a6 import nss-3.124.0-5.tl3