tree c91e88124c0b97dc1090e9106dc5e8fd77e0e6e7
parent 18c5c8fab4f9f86941370af11b6bd70f013cc938
author Shawn Pearce <sop@google.com> 1368208908 -0700
committer Shawn Pearce <sop@google.com> 1369872598 -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