+eval "$(make --no-print-directory -C $(dirname $DIR) nix-path)"
+nix-env -r -i -A myEnvironments.immae-eu -f "<nixpkgs>" "$@"
+result=$?
+
+cat >> $(dirname $DIR)/versions_log <<EOF
+Ran $(date) with args "$@" and returned "$result"
+$(make --no-print-directory -C $(dirname $DIR) nix-info | sed -e "s/^/ /")
+EOF