{"action":"opened","issue":{"url":"https://api.github.com/repos/dlang/dub/issues/1005","repository_url":"https://api.github.com/repos/dlang/dub","labels_url":"https://api.github.com/repos/dlang/dub/issues/1005/labels{/name}","comments_url":"https://api.github.com/repos/dlang/dub/issues/1005/comments","events_url":"https://api.github.com/repos/dlang/dub/issues/1005/events","html_url":"https://github.com/dlang/dub/issues/1005","id":192017165,"number":1005,"title":"Configurations fail to resolve in a diamond shape dependency constellation","user":{"login":"s-ludwig","id":1645969,"avatar_url":"https://avatars.githubusercontent.com/u/1645969?v=3","gravatar_id":"","url":"https://api.github.com/users/s-ludwig","html_url":"https://github.com/s-ludwig","followers_url":"https://api.github.com/users/s-ludwig/followers","following_url":"https://api.github.com/users/s-ludwig/following{/other_user}","gists_url":"https://api.github.com/users/s-ludwig/gists{/gist_id}","starred_url":"https://api.github.com/users/s-ludwig/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/s-ludwig/subscriptions","organizations_url":"https://api.github.com/users/s-ludwig/orgs","repos_url":"https://api.github.com/users/s-ludwig/repos","events_url":"https://api.github.com/users/s-ludwig/events{/privacy}","received_events_url":"https://api.github.com/users/s-ludwig/received_events","type":"User","site_admin":false},"labels":[{"id":17967233,"url":"https://api.github.com/repos/dlang/dub/labels/bug","name":"bug","color":"fc2929","default":true}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-11-28T14:18:16Z","updated_at":"2016-11-28T14:18:16Z","closed_at":null,"body":"Consider four packages:\r\n```\r\nroot depends on b (sub config y) and c\r\nc depends on a\r\na depends on b\r\nb (config x and y)\r\n```\r\n\r\nThe configuration resolution algorithm will try to go forward through the dependency tree to resolve the configuration of b. During this process, it resolves the configuration to x, coming from c->a->b and to y coming from root->b, and errors out. But since a requires no particular sub configuration for b, it should instead resolve to y without conflicts."}}
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