{"action":"opened","issue":{"url":"https://api.github.com/repos/dart-lang/pub/issues/785","labels_url":"https://api.github.com/repos/dart-lang/pub/issues/785/labels{/name}","comments_url":"https://api.github.com/repos/dart-lang/pub/issues/785/comments","events_url":"https://api.github.com/repos/dart-lang/pub/issues/785/events","html_url":"https://github.com/dart-lang/pub/issues/785","id":85644711,"number":785,"title":"Support \"pub downgrade\"","user":{"login":"DartBot","id":8958862,"avatar_url":"https://avatars.githubusercontent.com/u/8958862?v=3","gravatar_id":"","url":"https://api.github.com/users/DartBot","html_url":"https://github.com/DartBot","followers_url":"https://api.github.com/users/DartBot/followers","following_url":"https://api.github.com/users/DartBot/following{/other_user}","gists_url":"https://api.github.com/users/DartBot/gists{/gist_id}","starred_url":"https://api.github.com/users/DartBot/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/DartBot/subscriptions","organizations_url":"https://api.github.com/users/DartBot/orgs","repos_url":"https://api.github.com/users/DartBot/repos","events_url":"https://api.github.com/users/DartBot/events{/privacy}","received_events_url":"https://api.github.com/users/DartBot/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/dart-lang/pub/labels/enhancement","name":"enhancement","color":"84b6eb"},{"url":"https://api.github.com/repos/dart-lang/pub/labels/Fixed","name":"Fixed","color":"ededed"},{"url":"https://api.github.com/repos/dart-lang/pub/labels/Priority-Medium","name":"Priority-Medium","color":"ededed"}],"state":"open","locked":false,"assignee":{"login":"nex3","id":188,"avatar_url":"https://avatars.githubusercontent.com/u/188?v=3","gravatar_id":"","url":"https://api.github.com/users/nex3","html_url":"https://github.com/nex3","followers_url":"https://api.github.com/users/nex3/followers","following_url":"https://api.github.com/users/nex3/following{/other_user}","gists_url":"https://api.github.com/users/nex3/gists{/gist_id}","starred_url":"https://api.github.com/users/nex3/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nex3/subscriptions","organizations_url":"https://api.github.com/users/nex3/orgs","repos_url":"https://api.github.com/users/nex3/repos","events_url":"https://api.github.com/users/nex3/events{/privacy}","received_events_url":"https://api.github.com/users/nex3/received_events","type":"User","site_admin":false},"milestone":null,"comments":1,"created_at":"2015-06-05T22:14:37Z","updated_at":"2015-06-05T22:14:37Z","closed_at":null,"body":"<a href=\"https://github.com/nex3\"><img src=\"https://avatars.githubusercontent.com/u/188?v=3\" align=\"left\" width=\"96\" height=\"96\"hspace=\"10\"></img></a> **Issue by [nex3](https://github.com/nex3)**\n_Originally opened as dart-lang/sdk#15670_\n\n----\n\nPub should support a command to downgrade all dependencies of a package to the lowest versions allowed by their version constraints. This will make it easier to test that a package's constraints aren't too broad.\n\n&quot;pub downgrade&quot; should probably not affect the user's lockfile, so it can be undone easily with &quot;pub install&quot;."}}