fix: windows PATH setting for python configuration (#476)

fixes #474

appveyor.yml

@@ -6,7 +6,7 @@ environment:
   GITHUB_TOKEN:
     secure: 3wuEGJsppSKFvdwhp3jprUA9Zkc3WINlc/9oFXjhAR6J05lYMXP7Fl7lXTKpkGZx
 install:
-  - ps: Install-Product node 6
+  - ps: Install-Product node 8
   - yarn
 build: off
 test: off

package.json

@@ -2,7 +2,7 @@
   "name": "nexe",
   "description": "Create a single executable out of your Node.js application",
   "license": "MIT",
-  "version": "2.0.0-rc.26",
+  "version": "2.0.0-rc.27",
   "contributors": [
     "Craig Condon <craig.j.condon@gmail.com> (http://crcn.io)",
     "Jared Allard <jaredallard@outlook.com>",

src/compiler.ts

@@ -31,7 +31,7 @@ interface NexeHeader {
 
 export class NexeCompiler<T extends NexeOptions = NexeOptions> {
   private start = Date.now()
-  private env = { ...process.env }
+  private env: any
   private compileStep: LogStep
   public log = new Logger(this.options.loglevel)
   public src: string
@@ -58,8 +58,13 @@ export class NexeCompiler<T extends NexeOptions = NexeOptions> {
     this.log.step('nexe ' + version, 'info')
     if (python) {
       if (isWindows) {
-        this.env.PATH = '"' + dequote(normalize(python)) + '";' + this.env.PATH
+        // Do a little shuffling to correctly set the PATH regardless of property name case sensitivity
+        const originalPath = process.env.PATH
+        process.env.PATH = dequote(normalize(python)) + ';' + originalPath
+        this.env = { ...process.env }
+        process.env.PATH = originalPath
       } else {
+        this.env = { ...process.env }
         this.env.PYTHON = python
       }
     }