--TEST--
Installing an old alias that doesn't exist anymore from a lock is possible
--COMPOSER--
{
    "repositories": [
        {
            "type": "package",
            "package": [
                {
                    "name": "a/a", "version": "dev-master",
                    "extra": { "branch-alias": { "dev-master": "2.2.x-dev" } },
                    "source": { "reference": "master", "type": "git", "url": "" }
                }
            ]
        }
    ],
    "require": {
        "a/a": "2.1.*"
    },
    "minimum-stability": "dev"
}
--LOCK--
{
    "packages": [
        {
            "name": "a/a", "version": "dev-master", "version_normalized": "9999999-dev",
            "extra": { "branch-alias": { "dev-master": "2.1.x-dev" } },
            "source": { "reference": "oldmaster", "type": "git", "url": "" },
            "type": "library"
        }
    ],
    "packages-dev": [],
    "aliases": [],
    "minimum-stability": "dev",
    "stability-flags": {},
    "prefer-stable": false,
    "prefer-lowest": false
}
--RUN--
install
--EXPECT--
Installing a/a (dev-master oldmaster)
Marking a/a (2.1.x-dev oldmaster) as installed, alias of a/a (dev-master oldmaster)