$ git clone -n https://src.fedoraproject.org/rpms/kmime.git /var/lib/mock/f40-build-1221778-22752/root/chroot_tmpdir/scmroot/kmime
Cloning into '/var/lib/mock/f40-build-1221778-22752/root/chroot_tmpdir/scmroot/kmime'...
$ git fetch origin ff1199981d533649c039fa620ffa0e78c35a5171:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmime
 * [new ref]         ff1199981d533649c039fa620ffa0e78c35a5171 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff11999 24.05.0