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From "Vallon, Justin" <jval...@bear.com>
Subject import re-imports top-level build.xml
Date Mon, 28 Jan 2008 22:55:14 GMT
When <import> is given the same path twice, it skips the second import.
However, if <import> is given a path to the original (top-level)
build-file, it does not consider it a duplicate import, and imports it
(again) ... unless ant is invoked as "ant -f /full/path/to/build.xml" -
then import does recognize that the file has already been imported.

 

I would expect that import should not (ever) import the top-level build
file again.

 

Is this a bug?  I can submit a bug report and try to fix it.

 

Why import the top-level file?  In a (parent, subproject1, subproject2,
subproject3) setup, my parent project imports the subprojects and the
subprojects import the parents - subprojects do not import each other.
When the parent is built, the top-level project imports subproject A,
and subproject A imports the parent.  The import of the parent is not
suppressed because the top-level build was not invoked with a full-path
to the build file, and confusion ensues.

 

Example:

 

$ cat build.xml

<project name="test">

        <echo message="test-top" />

        <import file="./build.xml" />

        <echo message="test-bottom" />

</project>

 

$ ant

Buildfile: build.xml

     [echo] test-top

     [echo] test-top

     [echo] test-bottom

     [echo] test-bottom

 

BUILD SUCCESSFUL

Total time: 0 seconds

 

$ ant -f $PWD/build.xml

Buildfile: /a/vallon/tmp/tmp.20080128/build.xml

     [echo] test-top

     [echo] test-bottom

 

BUILD SUCCESSFUL

Total time: 0 seconds

 

$ ant -version

Apache Ant version 1.7.0 compiled on December 13 2006

 

 

-Justin

office 8-383-6725, 212-272-6725; cell 917-861-6042

 


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