--TEST-- The locked version will not get overwritten by an install --COMPOSER-- { "repositories": [ { "type": "package", "package": [ { "name": "foo/bar", "version": "1.0.0" }, { "name": "foo/baz", "version": "1.0.0" }, { "name": "foo/baz", "version": "2.0.0" } ] } ], "require": { "foo/bar": "2.0.0", "foo/baz": "2.0.0" } } --LOCK-- { "packages": [ { "name": "foo/bar", "version": "1.0.0" }, { "name": "foo/baz", "version": "2.0.0" } ], "packages-dev": [], "aliases": [], "minimum-stability": "stable", "stability-flags": [], "prefer-stable": false, "prefer-lowest": false } --INSTALLED-- [ { "name": "foo/bar", "version": "1.0.0" }, { "name": "foo/baz", "version": "1.0.0" } ] --RUN-- install --EXPECT-- Upgrading foo/baz (1.0.0 => 2.0.0)