% strace -o /tmp/wtf -f arc land --onto production                                                                                                                                                                (git)-[staging] [] 11:11:47
Landing current branch 'staging'.
You have untracked files in this working copy.

  Working copy: /home/bougyclear/g/ops/

  Untracked files in working copy:
    .arcconfig

Since you don't have '.gitignore' rules for these files and have not listed
them in '.git/info/exclude', you may have forgotten to 'git add' them to your
commit.


    Do you want to add this file to the commit? [y/N] n

Switched to branch production. Updating branch...
The following commit(s) will be landed:

b809133 Merge branch 'hotfix_20141006' into staging
b31ebe0 Cole is in the Management team now; add to the 'execs' group here such that he can see all reports.
64b2ed5 Merge branch 'hotfix_20141006' into staging
18b259a https://*.airbrake.io/projects/39/groups/126096986...4814137918 Another airbrake related to our "account_id NOT NULL" DB constraint.
fd241a8 Merge branch 'production' into staging

Switched to branch staging. Identifying and merging...
Landing revision 'D13: Prod HOTFIX release'...
Merging staging into production
Already up-to-date.