$ git clone -n https://gitee.com/src-opencloudos-rpms/ksh.git /var/lib/mock/dist-oc8-build-249276-83805/root/chroot_tmpdir/scmroot/ksh
Cloning into '/var/lib/mock/dist-oc8-build-249276-83805/root/chroot_tmpdir/scmroot/ksh'...
$ git fetch origin b3bf74a0180e1426a1185946289d84ea37b15c2f:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ksh
 * [new ref]         b3bf74a0180e1426a1185946289d84ea37b15c2f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3bf74a import ksh-20120801-272.tl3