handle downloadSync for windows < 10

Author: 07souravkunda

lib/LocalBinary.js

@@ -87,11 +87,25 @@ function LocalBinary(){
       });
     }
 
-    const cmd = `curl`;
-    const opts = ['-o', binaryPath, options.href];
+    const osPlatform = os.platform();
+    const osVersion = parseInt(os.release());
 
-    if(conf.proxyHost && conf.proxyPort) {
-      opts.push('--proxy', `${conf.proxyHost}:${conf.proxyPort}`);
+    let cmd, opts;
+
+    if(osPlatform.includes('win') && osVersion < 10) {
+      cmd = 'wget';
+      opts = [];
+      if(conf.proxyHost && conf.proxyPort) {
+        opts.push('-e', `https_proxy=${conf.proxyHost}:${conf.proxyPort}`, "--no-check-certificate");
+      }
+      opts.push('-O', binaryPath, options.href);
+    }else{
+      cmd = `curl`;
+      opts = ['-o', binaryPath, options.href];
+  
+      if(conf.proxyHost && conf.proxyPort) {
+        opts.push('--proxy', `${conf.proxyHost}:${conf.proxyPort}`);
+      }
     }
 
     try{