$ git clone -n https://src.fedoraproject.org/rpms/uucp.git /var/lib/mock/f45-build-37863-718/root/chroot_tmpdir/scmroot/uucp
Cloning into '/var/lib/mock/f45-build-37863-718/root/chroot_tmpdir/scmroot/uucp'...
$ git fetch origin c15ecc349ac765549be7afd4d822055477827a1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/uucp
 * [new ref]         c15ecc349ac765549be7afd4d822055477827a1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c15ecc3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild