$ git clone -n https://src.fedoraproject.org/rpms/kf6-kpty.git /var/lib/mock/f42-build-side-1-3583717-46890/root/chroot_tmpdir/scmroot/kf6-kpty
Cloning into '/var/lib/mock/f42-build-side-1-3583717-46890/root/chroot_tmpdir/scmroot/kf6-kpty'...
$ git fetch origin 3db2a66d3b0e952ef6023a1e50988910b407d429:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kpty
 * [new ref]         3db2a66d3b0e952ef6023a1e50988910b407d429 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3db2a66 6.16.0