JDK-6643529 : Implement and use "quiet" -q switch to only suppress 7-Zip SDK LZMA copyright when required
  • Type: Bug
  • Component: deploy
  • Sub-Component: deployment_toolkit
  • Affected Version: 6u10
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: windows
  • CPU: generic
  • Submitted: 2007-12-19
  • Updated: 2010-09-08
  • Resolved: 2008-06-03
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6u10 b23Fixed
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Relates :  
The 7-Zip SDK LZMA compression public domain file contained a copyright printf that would have represented a big regression for Java Kernel users, putting text into standard error streams that might be automatically parsed, etc. CR 6642750 simply "pruned" this for the sake of a harse schedule for the fix. This CR will make a very simple change to put the copyright banner output on a switch that default to "on", but is set to "off" (-q) when Java Kernel invokes the LZMA code. This is about a 10 line change across two files and has already been prototyped. Also, provision is already in place to pass an arbitrary collection of options to the LZMA encoder/decoder functions, making this a trivial enhancement in return for the clear message to the open source community that we want to honor copyright banners when it is possible. The 7-Zip license agreement enables arbitrary changes to the public domain source file in question (see review #7309).

EVALUATION This is a trivial change that will have zero affect on visible behavior within a Java Kernel context.