composer - packages.json: create project from packages.json (packages.json contains location of source (.zip), .zip contains composer.json describe information of module) composer create-project --repository-url packages.json acme/hello-world

composer-wordpress.json

/*
ref: http://roots.io/using-composer-with-wordpress/
*/
{
  "repositories": [
    {
      "type": "package",
      "package": {
        "name": "wordpress",
        "type": "webroot",
        "version": "3.8",
        "dist": {
          "type": "zip",
          "url": "https://github.com/WordPress/WordPress/archive/3.8.zip"
        },
        "require" : {
          "fancyguy/webroot-installer": "1.0.0"
        }
      }
    }
  ],
  "require": {
    "php": ">=5.3.0",
    "wordpress": "3.8",
    "fancyguy/webroot-installer": "1.0.0"
  },
  "extra": {
    "webroot-dir": "wp",
    "webroot-package": "wordpress"
  }
}

delete cache.txt

where: ~/.composer/cache/files
delete: rm -rf ~/.composer/cache/files/...

packages.json

{
    "acme/hello-world": {
        "name": "acme/hello-world",
        "version": "1.0.0",
        "dist": {
            "type": "zip",
            "url": "http://localhost/yii20/Archive.zip"
        }
    }
}