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From "Shackelford, John-Mason" <Sha...@ncs.com>
Subject RE: strange behavior with antcall
Date Tue, 30 Jul 2002 14:06:20 GMT
Should I submit this Bugzilla?


John-Mason Shackelford

Software Developer
NCS Pearson - Measurement Services
2510 North Dodge St.
Iowa City, IA 52245
319-354-9200x6214
shacjo@ncs.com

> -----Original Message-----
> From: Shackelford, John-Mason [mailto:ShacJo@ncs.com]
> Sent: Monday, July 29, 2002 9:42 AM
> To: 'Ant Users List'
> Subject: RE: strange behavior with antcall
> 
> 
> Greetings,
> 
> I have come to the conclusion that the problem I was having 
> with antcall is
> either a bug in ant or a problem with the docs. The 
> documentation for both
> antcall and ant states:
> 
> You can also set properties in the new project from the old 
> project by using
> nested param tags. These properties are always passed 
> regardless of the
> setting of inheritAll. This allows you to parameterize your 
> subprojects.
> 
> I have written a few short build files to demonstrate that this is not
> always the case.
> 
> Run the following test:
> 
> $ ant -buildfile zoo.xml feed.one feed.two feed.three
> 
> This will display the properties listed in the property file 
> as expected.
> 
> Now try:
> 
> $ ant -buildfile zoo.xml feed.one feed.two feed.three feed.two
> 
> Instead of repeating the line for animal two:
> 
> [echo] John-Mason is going to feed the tiger his favorite: people 
> 
> you will see a fourth animal mentioned:
> 
> [echo] John-Mason is going to feed the monkey (default) his favorite:
> bananas (default)
> 
> This, I contend, is the bug. Instead of taking the value from 
> the params
> passed in as previously, on the second antcall from a single 
> target the
> properties are drawn from the caller's environment. 
> 
> By using inheritAll=false this behavior is illiminated. You 
> will see this by
> trying:
> 
> $ ant -buildfile zoo.xml feed.one feed.two feed.three feed.three
> 
> The third animal line is repeated as expected. While this is a viable
> workaround, according to the docs when nested param tags are used, the
> properties are always passed in regardless of the setting of 
> inheritAll.
> 
> I have also enclosed zoo2.xml and zoo-callable.xml. These 
> domonstrate that
> the same bug exists when using ant instead of antcall. Use 
> the same args:
> 
> $ ant -buildfile zoo2.xml feed.one feed.two feed.three feed.two
> $ ant -buildfile zoo2.xml feed.one feed.two feed.three feed.three
> 
> 
> If I have missed something here, please send your gentle rebuke.
> 
> John-Mason Shackelford
> 
> Software Developer
> NCS Pearson - Measurement Services
> 2510 North Dodge St.
> Iowa City, IA 52245
> 319-354-9200x6214
> shacjo@ncs.com
> 
> 
> 

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