$ git clone -n https://src.fedoraproject.org/rpms/packetdrill.git /var/lib/mock/f45-build-21269-582/root/chroot_tmpdir/scmroot/packetdrill
Cloning into '/var/lib/mock/f45-build-21269-582/root/chroot_tmpdir/scmroot/packetdrill'...
$ git fetch origin fdcbbdf7bfa0f24a32d467fc544a308e63701866:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/packetdrill
 * [new ref]         fdcbbdf7bfa0f24a32d467fc544a308e63701866 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fdcbbdf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild