Proper promise implementation

src/index.ts

@@ -32,9 +32,13 @@ async function parsePushHook(webhook: PushWebhook) {
     const safeResourceUri = tag
       .replace(/[^a-z0-9-./:]/gi, '')
     try {
-      await promisify(exec)(`./${safeFilename}.sh ${safeTag} ${safeResourceUri}`, {
+      const cmd = `${rootDir}/${safeFilename}.sh ${safeTag} ${safeResourceUri}`
-        cwd: rootDir
+      console.log(cmd)
-      });
+      await new Promise(((resolve, reject) => {
+        exec(cmd, (err, stdout, stderr) =>
+          (err || stderr) ? reject(err || stderr) : resolve(stdout)
+        );
+      }))
     } catch (e) {
       console.error(e)
     }