$ git clone -n https://src.fedoraproject.org/rpms/shippy.git /var/lib/mock/f42-build-side-1-3539448-46565/root/chroot_tmpdir/scmroot/shippy
Cloning into '/var/lib/mock/f42-build-side-1-3539448-46565/root/chroot_tmpdir/scmroot/shippy'...
$ git fetch origin 9c118ebc1d5bb821465d9567111e2b9451aaa090:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/shippy
 * [new ref]         9c118ebc1d5bb821465d9567111e2b9451aaa090 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c118eb Fix license information.