tree 0bea9f2163b83985fe11412cc6dc9aa35e341b01
parent 2aef43194c808b25034ce15fe4b9f32e1d3c78c7
author Shawn Pearce <sop@google.com> 1380141234 -0700
committer Michael Bolin <mbolin@fb.com> 1380152790 -0700

genrule() should fail if any command fails.

Summary:
From https://github.com/facebook/buck/pull/16.

If a genrule is a complex sequence of shell commands the rule
should fail if any of the commands fails and its exit status was
not examined.

Fixes https://github.com/facebook/buck/issues/21

Test Plan: Sandcastle builds.