--TEST--
Partial update from lock file with root aliases should work
--COMPOSER--
{
    "repositories": [
        {
            "type": "package",
            "package": [
                { "name": "a/dep", "version": "1.0.0", "require": { "c/aliased": "2.0.0" } },
                { "name": "b/dep", "version": "1.0.0", "require": { "c/aliased": "1.0.0" } },
                { "name": "c/aliased", "version": "1.0.0" },
                { "name": "c/aliased", "version": "2.0.0" }
            ]
        }
    ],
    "require": {
        "a/dep": "*",
        "b/dep": "*",
        "c/aliased": "1.0.0 as 2.0.0"
    }
}
--LOCK--
{
    "packages": [
        { "name": "a/dep", "version": "1.0.0", "require": { "c/aliased": "2.0.0" } },
        { "name": "b/dep", "version": "1.0.0", "require": { "c/aliased": "1.0.0" } },
        { "name": "c/aliased", "version": "1.0.0" }
    ],
    "packages-dev": [],
    "aliases": [
        {
            "package": "c/aliased",
            "version": "1.0.0.0",
            "alias": "2.0.0",
            "alias_normalized": "2.0.0.0"
        }
    ],
    "minimum-stability": "stable",
    "stability-flags": {},
    "prefer-stable": false,
    "prefer-lowest": false,
    "platform": {},
    "platform-dev": {}
}
--INSTALLED--
[
    { "name": "a/dep", "version": "1.0.0", "require": { "c/aliased": "2.0.0" } },
    { "name": "b/dep", "version": "1.0.0", "require": { "c/aliased": "1.0.0" } },
    { "name": "c/aliased", "version": "1.0.0" }
]
--RUN--
update --lock
--EXPECT-LOCK--
{
    "packages": [
        { "name": "a/dep", "version": "1.0.0", "require": { "c/aliased": "2.0.0" }, "type": "library" },
        { "name": "b/dep", "version": "1.0.0", "require": { "c/aliased": "1.0.0" }, "type": "library" },
        { "name": "c/aliased", "version": "1.0.0", "type": "library" }
    ],
    "packages-dev": [],
    "aliases": [
        {
            "package": "c/aliased",
            "version": "1.0.0.0",
            "alias": "2.0.0",
            "alias_normalized": "2.0.0.0"
        }
    ],
    "minimum-stability": "stable",
    "stability-flags": {},
    "prefer-stable": false,
    "prefer-lowest": false,
    "platform": {},
    "platform-dev": {}
}
--EXPECT--
Marking c/aliased (2.0.0) as installed, alias of c/aliased (1.0.0)