tree fd3bea1b10239a904a40eeff9fc7752145c756e0
parent dae48566ad4c841adf324ffc45d2d7d3225409e8
author Petr Hosek <phosek@google.com> 1497578801 -0700
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1497588347 +0000

Roll recipe_engine up to the latest

Changelog:
d732be8 [context] Split "env" values and prefixes.
a8816c7 [path] Add "base_path" to __contains__, add get.
e089e51 [url] Update vpython spec protobuf.
264e3ca [step] Remove config indirection.
cfff93a [path] bring PLATFORM back to config.
96221bc [generator_script] Make allowed keys strict and improve error handling.
060325b [path] Cleanup and use "C:\" for test Windows base
6d2596f [generator_script] constrain generator_script to have a stricter API.
c7595ad [file] fix "rmtree" on non-dir path
154ef7e [path] Add concept of a "cleanup" directory.
c916898 [context] fix treatment of None in env.
c40412c [context] Add path prefix/suffix manipulation.
db92090 Update vpython and spec to new text protobuf.
1ec7ad4 [file] add log listings to file.listdir and file.glob_paths.
267b922 [file] Derive user-facing error from StepFailure and set FAILURE status on step.
ddd1990 [bundle] switch implimentation to use git 2.13 attr pathspec.
a64a4d4 [file] No error in remove if file does not exist
e7ce425 [test] only clean up expectations if training was otherwise successful.
09efd6f Remove all mentions of example.py
d878bba [recipe_modules/file] add real file module to engine.

Change-Id: Ib613c69693003676d813440f7f79330df0996a01