message: Better error handling in branch merge
diff: @@ -203,7 +203,9 @@ module.exports = class Writer {
  // make sure only one push is ongoing at a time, by creating a chain of
  // promises here
  this._gitChainPromise = Promise.resolve(this._gitChainPromise).then(() =>
  - this.gitChain.push(this.hyperledgerConfig.tag)
  + this.gitChain.push(this.hyperledgerConfig.tag).catch(e => {
  + log.error("Error pushing to hyperledger:", e, e.stack);
  + })
  );
  }
  }
  