[tor-bugs] #1929 [- Select a component]: Setting *Nodes config options more than once means last entry is used

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#1929: Setting *Nodes config options more than once means last entry is used
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 Reporter:  Sebastian             |       Owner:     
     Type:  defect                |      Status:  new
 Priority:  normal                |   Milestone:     
Component:  - Select a component  |     Version:     
 Keywords:                        |      Parent:     
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 Scott Bennett was quite confused by this (see this thread for details,
 http://archives.seul.org/or/talk/Sep-2010/msg00023.html ).

 In theory we could change the ROUTERSET config type to be one of the types
 that you can only append to, not replace by setting another entry later
 on.

 I'm not sure we should change this for 0.2.2.x, first because we are in
 feature freeze and second because this changes behaviour that someone
 might rely upon (setting the option via controller for example, expecting
 this to overwrite, not append to the previously specified entry). For this
 reason I'm not sure that's a good idea at all; now with Tor warning about
 this kind of configuration setup we should at least confuse fewer users
 about thinking that they can use more than one line to specify *Nodes.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/1929>
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