tree f998b6ec8e8d47f986b92cdc405e17461b41ac34
parent 8f65b429890c05a367dc1630453c739caec23bd2
author Wyatt Hepler <hepler@google.com> 1589475445 -0700
committer Wyatt Hepler <hepler@google.com> 1589561871 +0000

pw_presubmit: Split tools.py into three modules

- tools.py has general purpose functions.
- git_repo.py has functions for working with files in a Git repo.
- presubmit.py has abstractions for running a presubmit program
- Rename a few functions to work better with the new module names.

Change-Id: Ie632514e1bbcaa8681bcd733bfe9783cc25c855f