strip and treat as string git cmd result
strip and treat as string git cmd result

Test Plan: will add a test

Reviewers: jing, cramer

Reviewed By: cramer

Differential Revision: https://tails.corp.dropbox.com/D56557

bowlofstew/changes,wfxiang08/changes,wfxiang08/changes,dropbox/changes,dropbox/changes,wfxiang08/changes,bowlofstew/changes,dropbox/changes,bowlofstew/changes,bowlofstew/changes,wfxiang08/changes,dropbox/changes