I would like better error message when submitting an entire stack:

gt submit
:pancakes: Validating that this Graphite stack is ready to submit...

:pencil2:  Preparing to submit PRs for the following branches...
▸ jatwood/feature1 (Update code)
▸ jatwood/feature2 (Update code)
▸ jatwood/feature3 (New parent)
▸ jatwood/feature4 (Update code)

:incoming_envelope: Pushing to remote and creating/updating PRs...
ERROR: Command failed with error exit code 1:
git push -u origin --force-with-lease jatwood/feature1

[ run git pre-push checks]

[ checks fail ] 

[ massive error log]

error: failed to push some refs to '<http://github.com:myorg/myproject.git|github.com:myorg/myproject.git>'

I have to scroll all the way to the top to see which branch git was trying to push when the pre-push error failed. It would be great if Graphite could detect his error and log (at the very end) which branch just failed, so I immediately know which branch to checkout and fix.