Github user mikewallace1979 commented on a diff in the pull request: https://github.com/apache/couchdb-couch-replicator/pull/11#discussion_r31609446 --- Diff: src/couch_replicator_api_wrap.erl --- @@ -83,9 +83,16 @@ db_open(#httpdb{} = Db1, _Options, Create) -> ok end) end, - send_req(Db, [{method, head}], - fun(200, _, _) -> - {ok, Db}; + send_req(Db, [{method, get}], + fun(200, _, {Props}) -> + case get_value(<<"update_seq">>, Props) of --- End diff -- I'm not quite sure I'm following this. The current PR code is using the presence of `update_seq` as a proxy for "this is a response from an actual database" (as opposed to a response from a resource which returns a 200 but isn't a database at all). @kxepal Is your suggestion that we should also check for the presence of `instance_start_time` in order to detect the case where a resource happens to provide an `update_seq` but no `instance_start_time`?
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