$ git clone -n https://src.fedoraproject.org/rpms/colord.git /var/lib/mock/f45-build-4365-331/root/chroot_tmpdir/scmroot/colord
Cloning into '/var/lib/mock/f45-build-4365-331/root/chroot_tmpdir/scmroot/colord'...
$ git fetch origin ce3987b44223e38ac561fec45910e81dc30b7357:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/colord
 * [new ref]         ce3987b44223e38ac561fec45910e81dc30b7357 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce3987b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild