$ git clone -n https://src.fedoraproject.org/rpms/xdg-desktop-portal-kde.git /var/lib/mock/f41-build-847721-164042/root/chroot_tmpdir/scmroot/xdg-desktop-portal-kde
Cloning into '/var/lib/mock/f41-build-847721-164042/root/chroot_tmpdir/scmroot/xdg-desktop-portal-kde'...
$ git fetch origin ca522bca8abe7aa3286f3f50f9ffe0d55b9bafd8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdg-desktop-portal-kde
 * [new ref]         ca522bca8abe7aa3286f3f50f9ffe0d55b9bafd8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca522bc 6.1.5