fix script permissions for npmjs.com

package.json

@@ -1,14 +1,14 @@
 {
   "name": "rclnodejs-cli",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Commandline tools for the ROS2 rclnodejs client library",
   "main": "index.js",
   "bin": "./index.js",
   "directories": {
     "test": "test"
   },
   "scripts": {
-    "postinstall": "colcon build --base-paths package-creation-tool",
+    "postinstall": "colcon build --base-paths package-creation-tool && node scripts/set_script_permissions.js",
     "test": "mocha",
     "lint": "eslint --max-warnings=0 --ext js index.js src message-generator-tool package-creation-tool test"
   },

scripts/set_script_permissions.js

@@ -0,0 +1,18 @@
+#!/usr/bin/env node
+
+const fs = require('fs');
+const path = require('path');
+
+function updateScriptPermissions() {
+  if (process.platform == 'win32') return;
+
+  let folder = path.join(__dirname, '..', 'package-creation-tool', 'scripts');
+  let fd = fs.openSync(folder, 'r');
+  fs.fchmodSync(fd, 0o775);
+
+  let script = path.join(folder, 'create_ros_nodejs_pkg.sh');
+  fd = fs.openSync(script, 'r');
+  fs.fchmodSync(fd, 0o775);
+}
+
+updateScriptPermissions();