zig/ci/travis_osx_before_install

#!/bin/sh

set -x

brew update
travis: add macos script 2017-08-27 13:07:06 +08:00			`#!/bin/sh`

travis again 2017-08-27 13:25:34 +08:00			`set -x`

travis: add macos script 2017-08-27 13:07:06 +08:00			`brew update`