{"action":"created","comment":{"url":"https://api.github.com/repos/docker/docker/pulls/comments/56367702","id":56367702,"diff_hunk":"@@ -84,7 +84,9 @@ func continueOnError(err error) bool {\n func retryOnError(err error) error {\n \tswitch v := err.(type) {\n \tcase errcode.Errors:\n-\t\treturn retryOnError(v[0])\n+\t\tif len(v) != 0 {\n+\t\t\treturn retryOnError(v[0])\n+\t\t}","path":"distribution/errors.go","position":7,"original_position":7,"commit_id":"1b5c2e1d722757a55364fb45cf3fcec7f2c75fb4","original_commit_id":"1b5c2e1d722757a55364fb45cf3fcec7f2c75fb4","user":{"login":"aaronlehmann","id":10601430,"avatar_url":"https://avatars.githubusercontent.com/u/10601430?v=3","gravatar_id":"","url":"https://api.github.com/users/aaronlehmann","html_url":"https://github.com/aaronlehmann","followers_url":"https://api.github.com/users/aaronlehmann/followers","following_url":"https://api.github.com/users/aaronlehmann/following{/other_user}","gists_url":"https://api.github.com/users/aaronlehmann/gists{/gist_id}","starred_url":"https://api.github.com/users/aaronlehmann/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aaronlehmann/subscriptions","organizations_url":"https://api.github.com/users/aaronlehmann/orgs","repos_url":"https://api.github.com/users/aaronlehmann/repos","events_url":"https://api.github.com/users/aaronlehmann/events{/privacy}","received_events_url":"https://api.github.com/users/aaronlehmann/received_events","type":"User","site_admin":false},"body":"> this check won't be necessary after docker/distribution#1531 and distribution vendor is updated\r\n\r\nYep, was going to point this out. But it's defensive to have the check anyway, so I like this as-is.","created_at":"2016-03-16T16:37:28Z","updated_at":"2016-03-16T16:37:28Z","html_url":"https://github.com/docker/docker/pull/21212#discussion_r56367702","pull_request_url":"https://api.github.com/repos/docker/docker/pulls/21212","_links":{"self":{"href":"https://api.github.com/repos/docker/docker/pulls/comments/56367702"},"html":{"href":"https://github.com/docker/docker/pull/21212#discussion_r56367702"},"pull_request":{"href":"https://api.github.com/repos/docker/docker/pulls/21212"}}},"pull_request":{"url":"https://api.github.com/repos/docker/docker/pulls/21212","id":62879442,"html_url":"https://github.com/docker/docker/pull/21212","diff_url":"https://github.com/docker/docker/pull/21212.diff","patch_url":"https://github.com/docker/docker/pull/21212.patch","issue_url":"https://api.github.com/repos/docker/docker/issues/21212","number":21212,"state":"open","locked":false,"title":"distribution: errors: do not access the 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