DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-source $(dirname $DIR)/nix_path_env
+eval "$(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 $(date) with args "$@"
-$($DIR/nix_infos | sed -e "s/^/# /")
+Ran $(date) with args "$@" and returned "$result"
+$(make --no-print-directory -C $(dirname $DIR) nix-info | sed -e "s/^/ /")
EOF