$ git clone -n https://git.cclinux.org/stage/rpms/ksh.git /var/lib/mock/dist-circle8-build-110365-66767/root/chroot_tmpdir/scmroot/ksh
Cloning into '/var/lib/mock/dist-circle8-build-110365-66767/root/chroot_tmpdir/scmroot/ksh'...
$ git fetch origin bd8e375e9f4ef0989729eba638f4f9dd415f2473:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/ksh
 * [new ref]         bd8e375e9f4ef0989729eba638f4f9dd415f2473 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd8e375 import ksh-20120801-259.el8