$ git clone -n https://gitee.com/enkilee/grep.git /var/lib/mock/dist-an7_9-updates-build-375309-71677/root/chroot_tmpdir/scmroot/grep
Cloning into '/var/lib/mock/dist-an7_9-updates-build-375309-71677/root/chroot_tmpdir/scmroot/grep'...
$ git fetch origin ff9e95d5a8b271ec0a15d486847065019e5558d3:KOJI_FETCH_HEAD
From https://gitee.com/enkilee/grep
 * [new ref]         ff9e95d5a8b271ec0a15d486847065019e5558d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff9e95d spec: add doc sub package