$ git clone -n https://src.fedoraproject.org/rpms/xdg-desktop-portal-kde.git /var/lib/mock/f40-build-1512583-23909/root/chroot_tmpdir/scmroot/xdg-desktop-portal-kde
Cloning into '/var/lib/mock/f40-build-1512583-23909/root/chroot_tmpdir/scmroot/xdg-desktop-portal-kde'...
$ git fetch origin f4afd4862d7cce4e2efeda4b830c1064c01c4df5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdg-desktop-portal-kde
 * [new ref]         f4afd4862d7cce4e2efeda4b830c1064c01c4df5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f4afd48 Merge branch 'rawhide' into f40