Add suggestions to git errors with init command

Author: PineappleIOnic

templates/cli/lib/commands/init.js.twig

@@ -92,9 +92,20 @@ const initFunction = async () => {
   }
 
   // Execute the child process but do not print any std output
-  childProcess.execSync(gitInitCommands, { stdio: 'pipe', cwd: functionDir });
-
-  childProcess.execSync(gitPullCommands, { stdio: 'pipe', cwd: functionDir });
+  try {
+    childProcess.execSync(gitInitCommands, { stdio: 'pipe', cwd: functionDir });
+
+    childProcess.execSync(gitPullCommands, { stdio: 'pipe', cwd: functionDir });
+  } catch (error) {
+    // Specialised errors with recommended actions to take
+    if (error.message.includes('error: unknown option `--sparse')) {
+      throw new Error(`Error: ${error.message} \n\n Suggestion: Try updating your git to the latest version, then trying to run this command again.`)
+    } else if (error.message.includes('is not recognized as an internal or external command,') || error.message.includes('command not found')) {
+      throw new Error(`Error: ${error.message} \n\n Suggestion: It appears that git is not installed, try installing git then trying to run this command again.`)
+    } else {
+      throw error;
+    }
+  }
 
   fs.rmSync(path.join(functionDir, ".git"), { recursive: true });
   const copyRecursiveSync = (src, dest) => {