tree b92132b7aea22b1c5cc236e5481088827696c409
parent da0603430c39bd549c459bccc6a1bd0d718adc04
author Shawn Pearce <sop@google.com> 1368208908 -0700
committer Shawn Pearce <sop@google.com> 1374729005 -0700

genrule() should fail if any command fails

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