--TEST--
Update aliased package does not mess up the lock file
--COMPOSER--
{
    "repositories": [
        {
            "type": "package",
            "package": [
                {
                    "name": "a/a", "version": "dev-master",
                    "extra": { "branch-alias": { "dev-master": "1.0.x-dev" } },
                    "source": { "reference": "master", "type": "git", "url": "" }
                }
            ]
        },
        {
            "type": "package",
            "package": [
                {
                    "name": "a/a", "version": "dev-master",
                    "extra": { "branch-alias": { "dev-master": "1.0.x-dev" } },
                    "source": { "reference": "lowpriomaster", "type": "git", "url": "" }
                }
            ]
        }
    ],
    "require": {
        "a/a": "1.*"
    },
    "minimum-stability": "dev"
}
--INSTALLED--
[
    {
        "name": "a/a", "version": "dev-master",
        "extra": { "branch-alias": { "dev-master": "1.0.x-dev" } },
        "source": { "reference": "1234", "type": "git", "url": "" }
    }
]
--RUN--
update
--EXPECT-LOCK--
{
    "packages": [
        {
            "name": "a/a", "version": "dev-master",
            "extra": { "branch-alias": { "dev-master": "1.0.x-dev" } },
            "source": { "reference": "master", "type": "git", "url": "" },
            "type": "library"
        }
    ],
    "packages-dev": [],
    "aliases": [],
    "minimum-stability": "dev",
    "stability-flags": {},
    "prefer-stable": false,
    "prefer-lowest": false,
    "platform": {},
    "platform-dev": {}
}
--EXPECT--
Upgrading a/a (dev-master 1234 => dev-master master)