1 files changed, 17 insertions, 0 deletions

diff --git a/scripts/nix_env b/scripts/nix_env
new file mode 100644
index 00000000..6326243b
--- /dev/null
+++ b/scripts/nix_env
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+if [ -z "$NIXOPS_DEPLOYMENT" ]; then
+  # This will automatically upgrade to latest version at each build
+  nixpkgs="https://nixos.org/channels/nixos-19.03/nixexprs.tar.xz"
+else
+  nixpkgs="https://releases.nixos.org/nixos/19.03/nixos-19.03.172530.096e2f137b6/nixexprs.tar.xz"
+fi
+nixpkgsPrevious="$nixpkgs"
+nixpkgsNext="$nixpkgs"
+export NIX_PATH="nixpkgs=$nixpkgs:nixpkgsNext=$nixpkgsNext:nixpkgsPrevious=$nixpkgsPrevious"
+
+nixops_custom () {
+  DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+  d=$(nix-build --no-out-link -E "with import <nixpkgs> { overlays = builtins.attrValues (import $(dirname $DIR)/overlays); }; nixops")
+  ${d}/bin/nixops "$@"
+}