$ git clone -n https://src.fedoraproject.org/rpms/kf5-kparts.git /var/lib/mock/f38-build-717663-96586/root/chroot_tmpdir/scmroot/kf5-kparts
Cloning into '/var/lib/mock/f38-build-717663-96586/root/chroot_tmpdir/scmroot/kf5-kparts'...
$ git fetch origin d135a205422fde5461f59136c2a00b69a91729a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kparts
 * [new ref]         d135a205422fde5461f59136c2a00b69a91729a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d135a20 5.106.0