$ git clone -n https://src.fedoraproject.org/rpms/kde-qdoc-common.git /var/lib/mock/f45-build-14658-462/root/chroot_tmpdir/scmroot/kde-qdoc-common
Cloning into '/var/lib/mock/f45-build-14658-462/root/chroot_tmpdir/scmroot/kde-qdoc-common'...
$ git fetch origin 93e813c71a2d6500cf5faee66e7b85152fbd03e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kde-qdoc-common
 * [new ref]         93e813c71a2d6500cf5faee66e7b85152fbd03e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93e813c Updated to latest git snapshot