Cleanup some exec/system issues
commit2cfb1e03708d76da1b0f373ab8d838e282c16acc
authorMark Williams <mwilliams@fb.com>
Fri, 20 Apr 2018 22:34:39 +0000 (20 15:34 -0700)
committerHhvm Bot <hhvm-bot@users.noreply.github.com>
Fri, 20 Apr 2018 22:36:47 +0000 (20 15:36 -0700)
tree37f7dc618943670e1dfe158e577de964f554d842
parente95e089e652f5b786f0fa20e9c4086a881ce7854
Cleanup some exec/system issues

Summary:
- get_hhvm_ini_values can use exec to avoid writing to a temp file
 - a couple of other places should use exec to avoid writing to the
   console
 - most uses of exec need to redirect stderr, to avoid writing to
   the console

Reviewed By: alexeyt

Differential Revision: D7653551

fbshipit-source-id: 58a45f35446c4f907b4e18a383636776337b777f
hphp/test/run