#!/bin/bash
-# This will automatically upgrade to latest version at each build
-# nixpkgsNext="https://nixos.org/channels/nixos-19.03/nixexprs.tar.xz"
-nixpkgsNext="https://releases.nixos.org/nixos/19.03/nixos-19.03beta171840.23fd1394dc6/nixexprs.tar.xz"
-nixpkgsPrevious="$nixpkgsNext"
-nixpkgs="$nixpkgsNext"
-export NIX_PATH="nixpkgs=$nixpkgs:nixpkgsNext=$nixpkgsNext:nixpkgsPrevious=$nixpkgsPrevious"
-nix-env -r -i -A immaePackages -f "<nixpkgs>" "$@"
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+source $(dirname $DIR)/nix_path_env
+nix-env -r -i -A myEnvironments.immae-eu -f "<nixpkgs>" "$@"
+
+cat >> $(dirname $DIR)/versions_log <<EOF
+# Ran $(date) with args "$@"
+$($DIR/nix_infos | sed -e "s/^/# /")
+EOF