$ git clone -n https://src.fedoraproject.org/rpms/rofimoji.git /var/lib/mock/f45-build-34597-688/root/chroot_tmpdir/scmroot/rofimoji
Cloning into '/var/lib/mock/f45-build-34597-688/root/chroot_tmpdir/scmroot/rofimoji'...
$ git fetch origin 03d32e5cbd083ea5e82bce08516ab97e70590fbf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rofimoji
 * [new ref]         03d32e5cbd083ea5e82bce08516ab97e70590fbf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03d32e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild