$ git clone -n https://src.fedoraproject.org/rpms/killbots.git /var/lib/mock/f40-build-2126079-50780/root/chroot_tmpdir/scmroot/killbots
Cloning into '/var/lib/mock/f40-build-2126079-50780/root/chroot_tmpdir/scmroot/killbots'...
$ git fetch origin bdd008b46e10dd6ca95e292da16ad1b9a1201669:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/killbots
 * [new ref]         bdd008b46e10dd6ca95e292da16ad1b9a1201669 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bdd008b 24.01.85