$ git clone -n https://src.fedoraproject.org/rpms/routino.git /var/lib/mock/f45-build-34640-690/root/chroot_tmpdir/scmroot/routino
Cloning into '/var/lib/mock/f45-build-34640-690/root/chroot_tmpdir/scmroot/routino'...
$ git fetch origin fda720f861921427febd4cf1c18bc656e5851a11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/routino
 * [new ref]         fda720f861921427febd4cf1c18bc656e5851a11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fda720f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild