$ git clone -n https://gitee.com/src-opencloudos-rpms/rtla.git /var/lib/mock/dist-oc8-build-74954-51821/root/chroot_tmpdir/scmroot/rtla
Cloning into '/var/lib/mock/dist-oc8-build-74954-51821/root/chroot_tmpdir/scmroot/rtla'...
$ git fetch origin f8bf0ec609aff2c4490d90cd6cb3b6d0a35dcca9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rtla
 * [new ref]         f8bf0ec609aff2c4490d90cd6cb3b6d0a35dcca9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8bf0ec import rtla-6.6.0-1.tl3