[Buildbot] #2981: Bitbucket hook doesn't work when specifying project

[Buildbot trac]

#2981: Bitbucket hook doesn't work when specifying project
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Reporter:  jpihl      |      Owner:
    Type:  undecided  |     Status:  new
Priority:  minor      |  Milestone:  undecided
 Version:  0.8.9      |   Keywords:  bitbucket, hook
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 If you setup a hook to a bitbucket project and specify the project in the
 hook (like so http://buildbot.company.com/change_hook/bitbucket?project
 =my-project-name) you will get an error resembling the following:
 http://pastebin.com/2fVV5fx5.

 I've tried to fix the error and it seems the project name should be a
 string and not a list with a string.

 It actually seems to be fixed for the github hook
 https://github.com/buildbot/buildbot/blob/master/master/buildbot/status/web/hooks/github.py#L40-41

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Ticket URL: <http://trac.buildbot.net/ticket/2981>
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