$ git clone -n https://src.fedoraproject.org/rpms/libfep.git /var/lib/mock/f45-build-16160-483/root/chroot_tmpdir/scmroot/libfep
Cloning into '/var/lib/mock/f45-build-16160-483/root/chroot_tmpdir/scmroot/libfep'...
$ git fetch origin 990a0927ec287c4fe58c7b1b61117081fa01aa53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libfep
 * [new ref]         990a0927ec287c4fe58c7b1b61117081fa01aa53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 990a092 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild