composer.json

{
    "require": {
        "facebook/xhp-lib": "^4.0",
        "hhvm": "4.164.*",
        "usox/hackttp": "~0.5.3",
        "hhvm/hhvm-autoload": "^3.0",
        "hhvm/type-assert": "^4.0",
        "facebook/hack-codegen": "^4.0",
        "facebook/hack-router-codegen": ">=0.14 <1.0",
        "facebook/hack-router": ">= 0.18 <1.0",
        "hhvm/hsl": "^4.25",
        "hhvm/hsl-experimental": "^4.93",
        "facebook/fbmarkdown": "^1.0",
        "facebook/hh-apidoc": "^0.8"
    },
    "require-dev": {
        "hhvm/hhast": "^4.0",
        "facebook/definition-finder": "^2.0.0",
        "hhvm/hacktest": "^2.0",
        "facebook/fbexpect": "^2.6.1"
    },
    "scripts": {
        "post-install-cmd": "patch --dry-run -Rf -p1 -i hackttp.patch || patch -p1 -i hackttp.patch",
        "post-update-cmd": "patch --dry-run -Rf -p1 -i hackttp.patch || patch -p1 -i hackttp.patch"
    },
    "config": {
        "allow-plugins": {
            "hhvm/hhvm-autoload": true
        }
    }
}