$ git clone -n https://src.fedoraproject.org/rpms/kontactinterface.git /var/lib/mock/f41-build-side-1-3063842-38514/root/chroot_tmpdir/scmroot/kontactinterface
Cloning into '/var/lib/mock/f41-build-side-1-3063842-38514/root/chroot_tmpdir/scmroot/kontactinterface'...
$ git fetch origin 43cfcde48f9d19089a4cd04bba07dfdab7e57199:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kontactinterface
 * [new ref]         43cfcde48f9d19089a4cd04bba07dfdab7e57199 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43cfcde Rebuild (qt6)