如何增加gulp任务的堆栈跟踪？

$ gulp patch
[17:13:27] Requiring external module coffee-script/register
[17:13:28] Using gulpfile ~/source/sem-campaign.js/gulpfile.coffee
[17:13:28] Starting 'bump'...
[17:13:28] Starting 'add'...
[17:13:28] Bumped version to: 1.0.2
[17:13:28] Bumped version to: 1.0.2
[17:13:28] Finished 'bump' after 31 ms
[17:13:28]
[17:13:28] Finished 'add' after 30 ms
[17:13:28] Starting 'commit'...
[?] enter a commit msg, eg initial commit: initial commit
[17:13:32] Finished 'commit' after 3.26 s
[17:13:32] Starting 'patch'...
no buddy
[17:13:32] Finished 'patch' after 25 μs

events.js:72
        throw er; // Unhandled 'error' event
              ^
Error: Command failed:
  at ChildProcess.exithandler (child_process.js:648:15)
  at ChildProcess.emit (events.js:98:17)
  at maybeClose (child_process.js:756:16)
  at Socket.<anonymous> (child_process.js:969:11)
  at Socket.emit (events.js:95:17)
$ gulp patch
[17:13:27] Requiring external modu