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To: user@ant.apache.org
From: Daniel Smith <dansbox@byu.edu>
Subject: uptodate with a target directory
Date: Tue, 7 Mar 2006 11:00:18 -0600
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uptodate does not seem to handle target directories properly.  It =20
will incorrectly determine that a generated directory with an out-of-=20
date timestamp is actually up to date.  Example script:

<project name=3D"test-uptodate">

   <target name=3D"update-source" >
     <touch file=3D"source" />
     <echo message=3D"Source updated.  Target is out of date." />
   </target>

   <target name=3D"update-target" depends=3D"check-generate" =20
unless=3D"generated" >
     <delete dir=3D"target" />
     <mkdir dir=3D"target" />
   </target>

   <fileset id=3D"source-files" dir=3D"${basedir}" includes=3D"source" =
/>

   <target name=3D"check-generate">
     <uptodate property=3D"generated" targetfile=3D"target">
       <srcfiles refid=3D"source-files" />
     </uptodate>
   </target>

</project>


If, in an empty directory, I do the following:
- ant update-source (to generate the source file)
- ant update-target (to generate the target directory)
- ant update-source (to change the timestamp on the source file)
- ant update-target (to generate a *new* target directory)

On the second "update-target" uptodate incorrectly determines that =20
the directory is up to date.

If I modify my script to do the following:
  <uptodate property=3D"generated" srcfile=3D"source" =
targetfile=3D"target" />
it will work as expected.

It also works as expected if I generate a target *file* instead of a =20
target *directory*.

I'm using Ant 1.6.2 and Java 1.5.0_05.

=97Dan Smith


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