{"action":"opened","issue":{"url":"https://api.github.com/repos/JuliaLang/Juleps/issues/19","repository_url":"https://api.github.com/repos/JuliaLang/Juleps","labels_url":"https://api.github.com/repos/JuliaLang/Juleps/issues/19/labels{/name}","comments_url":"https://api.github.com/repos/JuliaLang/Juleps/issues/19/comments","events_url":"https://api.github.com/repos/JuliaLang/Juleps/issues/19/events","html_url":"https://github.com/JuliaLang/Juleps/issues/19","id":193174731,"number":19,"title":"Pkg3: default pkg/depot precedence clarification","user":{"login":"Rory-Finnegan","id":5276097,"avatar_url":"https://avatars.githubusercontent.com/u/5276097?v=3","gravatar_id":"","url":"https://api.github.com/users/Rory-Finnegan","html_url":"https://github.com/Rory-Finnegan","followers_url":"https://api.github.com/users/Rory-Finnegan/followers","following_url":"https://api.github.com/users/Rory-Finnegan/following{/other_user}","gists_url":"https://api.github.com/users/Rory-Finnegan/gists{/gist_id}","starred_url":"https://api.github.com/users/Rory-Finnegan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Rory-Finnegan/subscriptions","organizations_url":"https://api.github.com/users/Rory-Finnegan/orgs","repos_url":"https://api.github.com/users/Rory-Finnegan/repos","events_url":"https://api.github.com/users/Rory-Finnegan/events{/privacy}","received_events_url":"https://api.github.com/users/Rory-Finnegan/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-12-02T17:38:04Z","updated_at":"2016-12-02T17:38:04Z","closed_at":null,"body":"Hi folks,\r\n\r\nThe Pkg3 julep looks really good so far! I was a little confused about the language describing pkg precedence across the union of depots.\r\n\r\n> Some environment and/or Julia variable – DEPOT_PATH maybe? – will control the set of depots visible to a Julia process. The registries, libraries, packages, and environments visible to Julia are the union across all depots in the depot path\r\n...\r\n> The set of installed library versions is the union across depots. If the same library version occurs multiple times in the depot path, the first occurance is used – different instances of the same library version may be different depending on how they are configured and installed. The set of installed package versions is the union across depots. If the same package version occurs multiple times in the depot path, the first occurance is used\r\n\r\nDoes this mean that the ordering of the depot paths in the `DEPOT_PATH` environment variable determines pkg precedence? For example, if we have something like `JULIA_DEPOT_PATH=/home/Julia/.julia:/usr/local/share/julia/system:/usr/local/share/julia/standard` then user packages would take precedence over system packages and so on?"}}
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