added log module

haxetool/env.js

@@ -0,0 +1,20 @@
+const path = require('path');
+
+
+class Env {
+
+    static set(key, value) {
+        process.env[key] = value;
+    }
+
+    static addPath(value, key='PATH') {
+        if (!process.env[key]) {
+            process.env[key] = value;
+        } else if (process.env[key].split(path.delimiter).indexOf(value) === -1) {
+            process.env[key] = [process.env[key], value].join(path.delimiter);
+        }
+    }
+}
+
+
+module.exports = Env;