Re: [nant-dev] recursive includes

[Ian M. <ianm@ActiveState.com>]

I'll take a look at it. You're right it should only fail on circular 
includes - that was the idea anyway.

Ian
> Hi,
>  
> I want to create a hierarchy of included configuration files, where each 
> level of the hierarchy adds information.
>  
> eg.  I want to have the following directory structure :
>  
>     examples
>         mono
>             1.0
>                 Tutorials
>                     WebApp
>  
> in each directory I would want to have both a build file and a config file.
>  
> The buildfile in each directory would do an include of the config file 
> in the same directory.
>  
> And the config file in each directory would do an include of the config 
> file in the parent directory and add specific configuration information 
> on it's level.
>  
> For example :
>  
> in the examples\mono\1.0 directory, the nant.config would contain :
>  
>  <!-- Include parent configuration file -->
>  <include buildfile="../nant.config" failonerror="true" />
>  <!-- Set runtime version -->
>  <property name="project.runtime.version" value="1.0" readonly="false" />
> in the examples\mono directory, the nant.config would contain :
>  
>  <!-- Include parent configuration file -->
>  <include buildfile="../nant.config" failonerror="true" />
>  <!-- Set runtime configuration -->
>  <property name="project.runtime.config" value="mono" readonly="false" />
>  
> so for the buildfile in the examples\mono\1.0 directory, the following 
> properties would be available :
>  
>  <property name="project.runtime.version" value="1.0" readonly="false" />
>  <property name="project.runtime.config" value="mono" readonly="false" />
> 
> and if I was to decide that the project.runtime.config for all examples 
> in the examples\mono directory should be mono-something, then I would 
> only have to change the nant.config file in the examples\mono directory, 
> and all underlying buildfiles would automatically get the updated 
> property value.
>  
> So what I want is to be able to have each level manage only it's own 
> configuration properties, but Nant currently does not allow recursive 
> includes.  Right now, I get the following exception :
>  
> [NAnt.Task:include Generated Exception  - [] <>]
> Exception: SourceForge.NAnt.BuildException
> Message: D:\CVS\log4net\examples\mono\nant.config(4,3):
>  Recursive includes are not allowed.
> Source: NAnt.Core
>    at SourceForge.NAnt.Tasks.IncludeTask.InitializeTask(XmlNode taskNode)
>    at SourceForge.NAnt.Task.InitializeElement(XmlNode elementNode)
>    at SourceForge.NAnt.Element.Initialize(XmlNode elementNode)
>    at SourceForge.NAnt.Project.CreateTask(XmlNode taskNode, Target target)
>    at SourceForge.NAnt.Project.CreateTask(XmlNode taskNode)
>    at SourceForge.NAnt.Project.InitializeProjectDocument(XmlDocument doc)
>    at SourceForge.NAnt.Tasks.IncludeTask.ExecuteTask()
>    at SourceForge.NAnt.Task.Execute()
>    at SourceForge.NAnt.Project.InitializeProjectDocument(XmlDocument doc)
>    at SourceForge.NAnt.Tasks.IncludeTask.ExecuteTask()
>    at SourceForge.NAnt.Task.Execute()
>  
> 
> BUILD FAILED
> D:\CVS\log4net\examples\mono\nant.config(4,3):
>  Recursive includes are not allowed.
> Try 'nant -help' for more information
>  
> I never have circular references so I don't see why this shouldn't be 
> possible.
>  
> Can anyone comment on this ?
>  
> Thanks,
>  
> Gert
>  
>  
> 
>