DO NOT REPLY [Bug 5092] - task always rebuilds

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=5092

<jar> task always rebuilds





------- Additional Comments From tom_brus@nl.compuware.com  2001-12-06 00:47 -------
This bug bit me to. I have a simple fix for this bug that, as far as I can see, 
is a permanent fix. This is a bug in class Zip, not Jar, so it has more impact 
then just Jar. 

Analysis:
When isUpToDate() is called the zipFile does not exist anymore because class 
Zip has renamed it to tmp.<i> in execute() just before calling isUpToDate(). 
Therefore Jar can not open the file and considers it out of date.
I believe that Zip's isUpToDate() also checks if the file exists and will 
therefore also always consider it out of date.

Fix:
Swap the rename and uptodate check code in execute() in Zip.

I will attach a patch.

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