$ git clone -n https://src.fedoraproject.org/rpms/polkit-kde.git /var/lib/mock/f40-build-2536769-61850/root/chroot_tmpdir/scmroot/polkit-kde
Cloning into '/var/lib/mock/f40-build-2536769-61850/root/chroot_tmpdir/scmroot/polkit-kde'...
$ git fetch origin fa67adde86b1123f74855d7ae6ce1c0f77f106f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/polkit-kde
 * [new ref]         fa67adde86b1123f74855d7ae6ce1c0f77f106f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa67add 6.0.2