Require and test supported versions, don't lint on nightlies

Summary: Pull Request resolved: #19

Differential Revision: D16078325

fbshipit-source-id: e30407f67969bd395f6bcf92ad46f0ee51c95810

Author: fredemmott

.travis.sh

@@ -14,4 +14,6 @@ composer install
 hh_client
 
 vendor/bin/hacktest tests/
-vendor/bin/hhast-lint
+if !(hhvm --version | grep -q -- -dev); then
+  vendor/bin/hhast-lint
+fi

.travis.yml

@@ -2,6 +2,8 @@ sudo: required
 language: generic
 services: docker
 env:
+ - HHVM_VERSION=4.7-latest
+ - HHVM_VERSION=4.8-latest
  - HHVM_VERSION=latest
  - HHVM_VERSION=nightly
 install:

composer.json

@@ -7,6 +7,7 @@
       }
     },
     "require": {
+        "hhvm": "^4.7",
         "hhvm/hsl": "^4.0"
     },
     "require-dev": {