$ git clone -n https://src.fedoraproject.org/rpms/gtkpod.git /var/lib/mock/f41-build-side-1-2999371-36242/root/chroot_tmpdir/scmroot/gtkpod
Cloning into '/var/lib/mock/f41-build-side-1-2999371-36242/root/chroot_tmpdir/scmroot/gtkpod'...
$ git fetch origin fac7614f9a12c3fca4a3d228988154d1d6947f83:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtkpod
 * [new ref]         fac7614f9a12c3fca4a3d228988154d1d6947f83 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fac7614 Bump EVR