RFR: 7903539: Please make jtreg build date reproducible [v2]

[Jonathan Gibbons]

On Sun, 3 Sep 2023 20:16:32 GMT, Vladimir Petko <vpetko at openjdk.org> wrote:

>> This PR is an upstream of the patch by Chris Lamb (lamby at debian.org)[1].
>> 
>> Testing:
>> 
>> $ export SOURCE_DATE_EPOCH=1
>> $ bash make/build.sh 
>> ...
>> $ cp build/images/jtreg/lib/jtreg.jar 1.jar
>> $ bash make/build.sh 
>> ...
>> $ strip-nondeterminism build/images/jtreg/lib/jtreg.jar 
>> $ strip-nondeterminism 1.jar 
>> $ diff 1.jar build/images/jtreg/lib/jtreg.jar 
>> $ jar xvf 1.jar
>> $ cat META-INF/MANIFEST.MF 
>> Manifest-Version: 1.0
>> Main-class: com.sun.javatest.regtest.Main
>> Class-Path: javatest.jar asmtools.jar
>> jtreg-Name: jtreg
>> jtreg-VersionString: 7.3.1-dev+0
>> jtreg-Version: 7.3.1
>> jtreg-Milestone: dev
>> jtreg-Build: 0
>> jtreg-BuildJavaVersion: Java(TM) 2 SDK, Version 17.0.8+7-Ubuntu-123.04
>> jtreg-BuildDate: January 01, 1970
>> Created-By: 17.0.8 (Private Build)
>> 
>> 
>> 
>> [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038957
>
> Vladimir Petko has updated the pull request incrementally with one additional commit since the last revision:
> 
>   changelog: Use SOURCE_BUILD_EPOCH to suppport reproducible builds

Marked as reviewed by jjg (Lead).

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PR Review: https://git.openjdk.org/jtreg/pull/170#pullrequestreview-1617803158