Update index.js

index.js

@@ -1,10 +1,12 @@
-const { exec } = require('node:child_process');
+const { exec } = require('child_process');
-var additional = process.env.INPUT_ADDITIONAL;
+exec('apk add bash git ' + additional, (error, stdout, stderr) => {
-exec('apk add bash git ' + additional, (err, output) => {
+  if (error) {
-    if (err) {
+    console.error(`Error: ${error.message}`);
-        console.log("Something went wrong...");
+    return;
-        console.log(output);
+  }
-    } else {
+  if (stderr) {
-        console.log("Successfully installed packages!");
+    console.error(`Stderr: ${stderr}`);
-    }
+    return;
-})
+  }
+  console.log(`Stdout: ${stdout}`);
+});