Merge pull request #84 from olisolomons/patch-1

Add git error message to create-wasm-app

Author: fitzgen

.bin/create-wasm-app.js

@@ -14,9 +14,16 @@ if (process.argv.length >= 3) {
 
 const clone = spawn("git", ["clone", "https://github.com/rustwasm/create-wasm-app.git", folderName]);
 
+let errorMessage = '';
+clone.stderr.on('data', data => {
+    errorMessage += data;
+});
+
 clone.on("close", code => {
   if (code !== 0) {
-    console.error("cloning the template failed!")
+    console.error("cloning the template failed!");
+    errorMessage = errorMessage.replace('\n', '\n    ');
+    console.log(`git output:\n    ${errorMessage}`)
     process.exit(code);
   } else {
     console.log("🦀 Rust + 🕸 Wasm = ❤");