$ git clone -n https://src.fedoraproject.org/rpms/killbots.git /var/lib/mock/f42-build-side-1-3517593-46098/root/chroot_tmpdir/scmroot/killbots
Cloning into '/var/lib/mock/f42-build-side-1-3517593-46098/root/chroot_tmpdir/scmroot/killbots'...
$ git fetch origin b6963984dcf8d3752163baf844445173a1b4abdc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/killbots
 * [new ref]         b6963984dcf8d3752163baf844445173a1b4abdc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b696398 25.04.0