$ git clone -n https://src.fedoraproject.org/rpms/discount.git /var/lib/mock/f40-build-2344003-59890/root/chroot_tmpdir/scmroot/discount
Cloning into '/var/lib/mock/f40-build-2344003-59890/root/chroot_tmpdir/scmroot/discount'...
$ git fetch origin fe8402c8bd0a525a7541f109918a615090306d1a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/discount
 * [new ref]         fe8402c8bd0a525a7541f109918a615090306d1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe8402c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild