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List:       gump
Subject:    [jira] Created: (GUMP-103) design conventions for marking up the gump.model and modifying behaviour
From:       "Leo Simons (JIRA)" <general () gump ! apache ! org>
Date:       2005-03-27 21:48:16
Message-ID: 1793521795.1111960096563.JavaMail.jira () ajax ! apache ! org
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design conventions for marking up the gump.model and modifying behaviour
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         Key: GUMP-103
         URL: http://issues.apache.org/jira/browse/GUMP-103
     Project: Gump
        Type: Task
  Components: Python-based Gump  
    Versions: Gump3-alpha    
    Reporter: Leo Simons
     Fix For: Gump3-alpha


A whole bunch of plugins will want to execute commands as part of "building" some \
project. What should be the workflow inside gump to make that happen?

It might make sense to have components like the MkdirPlugin and AntPlugin mark up \
their commands with the exit code, as well as output log and/or error log.

Then there might be a StateDetectionPlugin that looks at the state of all projects \
after the "builder" plugins are done, and sets a project failure|success|prereq \
failure state or something like that on the project itself, in addition perhaps \
having a "blame" list pointing at the commands that failed, sorting that in some \
logical order (if ant failed due to mkdir failing, blame the mkdir, not ant).

There could be several StateDetectionPLugins so we can try out different algorithms \
in dealing with success/failure. The key bit is to keep the builders and the like \
simple and preferably very linear in their behaviour, with little branching. The less \
they have to do, the easier it is to add new ones :-D

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