$ git clone -n https://src.fedoraproject.org/rpms/kf6-kio.git /var/lib/mock/f41-build-860860-169221/root/chroot_tmpdir/scmroot/kf6-kio
Cloning into '/var/lib/mock/f41-build-860860-169221/root/chroot_tmpdir/scmroot/kf6-kio'...
$ git fetch origin e219f6c114b75d64d5e021f00c52bd21fec84d02:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kio
 * [new ref]         e219f6c114b75d64d5e021f00c52bd21fec84d02 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e219f6c Merge branch 'rawhide' into f40