--TEST-- Test that names provided by a dependent and root package cause a conflict only for replace --COMPOSER-- { "version": "1.2.3", "repositories": [ { "type": "package", "package": [ { "name": "provider/pkg", "version": "1.0.0", "provide": { "root-provided/transitive-provided": "2.*", "root-replaced/transitive-provided": "2.*" }, "replace": { "root-provided/transitive-replaced": "2.*", "root-replaced/transitive-replaced": "2.*" } } ] } ], "require": { "provider/pkg": "*" }, "provide": { "root-provided/transitive-replaced": "2.*", "root-provided/transitive-provided": "2.*" }, "replace": { "root-replaced/transitive-replaced": "2.*", "root-replaced/transitive-provided": "2.*" } } --RUN-- update --EXPECT-EXIT-CODE-- 2 --EXPECT-OUTPUT-- Loading composer repositories with package information Updating dependencies Your requirements could not be resolved to an installable set of packages. Problem 1 - __root__ is present at version 1.2.3 and cannot be modified by Composer - provider/pkg[1.0.0] cannot be installed as that would require removing __root__[1.2.3]. They both replace root-replaced/transitive-replaced and thus cannot coexist. - Root composer.json requires provider/pkg * -> satisfiable by provider/pkg[1.0.0]. --EXPECT--