$ git clone -n https://src.fedoraproject.org/rpms/kmail.git /var/lib/mock/f40-build-802971-144152/root/chroot_tmpdir/scmroot/kmail
Cloning into '/var/lib/mock/f40-build-802971-144152/root/chroot_tmpdir/scmroot/kmail'...
$ git fetch origin b01d9c41fe08dffa337d380876b8374479c28e5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmail
 * [new ref]         b01d9c41fe08dffa337d380876b8374479c28e5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b01d9c4 24.02.1