$ git clone -n https://src.fedoraproject.org/rpms/kf6-kidletime.git /var/lib/mock/f41-build-856114-167447/root/chroot_tmpdir/scmroot/kf6-kidletime
Cloning into '/var/lib/mock/f41-build-856114-167447/root/chroot_tmpdir/scmroot/kf6-kidletime'...
$ git fetch origin 28fba25c337cdf3ea143b92011710a8f4f4e130e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kidletime
 * [new ref]         28fba25c337cdf3ea143b92011710a8f4f4e130e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28fba25 6.7.0