--TEST--
Converting from one VCS type to another (including an URL change) should update the lock file.
--COMPOSER--
{
    "repositories": [
        {
            "type": "package",
            "package": [
                {
                    "name": "a/a", "version": "1.0.0",
                    "source": { "reference": "new-git-ref", "type": "git", "url": "new-git-url" }
                }
            ]
        }
    ],
    "require": {
        "a/a": "1.0.0"
    }
}
--INSTALLED--
[
    {
        "name": "a/a", "version": "1.0.0",
        "source": { "reference": "old-hg-ref", "type": "hg", "url": "old-hg-url" }
    }
]
--LOCK--
{
    "packages": [
        {
            "name": "a/a", "version": "1.0.0",
            "source": { "reference": "old-hg-ref", "type": "hg", "url": "old-hg-url" }
        }
    ],
    "packages-dev": [],
    "aliases": [],
    "minimum-stability": "dev",
    "stability-flags": [],
    "prefer-stable": false,
    "prefer-lowest": false,
    "platform": [],
    "platform-dev": []
}
--RUN--
update mirrors
--EXPECT-LOCK--
{
    "packages": [
        {
            "name": "a/a", "version": "1.0.0",
            "source": { "reference": "new-git-ref", "type": "git", "url": "new-git-url" },
            "type": "library"
        }
    ],
    "packages-dev": [],
    "aliases": [],
    "minimum-stability": "stable",
    "stability-flags": [],
    "prefer-stable": false,
    "prefer-lowest": false,
    "platform": [],
    "platform-dev": []
}
--EXPECT--
Upgrading a/a (1.0.0 old-hg-ref => 1.0.0 new-git-ref)