$ git clone -n https://src.fedoraproject.org/rpms/cscope.git /var/lib/mock/f41-build-side-1-2633643-25947/root/chroot_tmpdir/scmroot/cscope
Cloning into '/var/lib/mock/f41-build-side-1-2633643-25947/root/chroot_tmpdir/scmroot/cscope'...
$ git fetch origin a4d105ed18317c43e41fd20934509f8f250edc68:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cscope
 * [new ref]         a4d105ed18317c43e41fd20934509f8f250edc68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4d105e Fix signal handling at exit