fixup: don't allow override of env variables set by this script explicitly

Author: wraithgar

lib/make-spawn-args.js

@@ -30,10 +30,10 @@ const makeSpawnArgs = options => {
   const spawnEnv = setPATH(path, binPaths, {
     // we need to at least save the PATH environment var
     ...process.env,
+    ...env,
     npm_package_json: resolve(path, 'package.json'),
     npm_lifecycle_event: event,
     npm_lifecycle_script: cmd,
-    ...env,
     npm_config_node_gyp,
   })