RFR: 8276743: Make openjdk build Zip Archive generation "reproducible" [v4]

[Magnus Ihse Bursie]

On Thu, 11 Nov 2021 19:48:04 GMT, Andrew Leonard <aleonard at openjdk.org> wrote:

>> This PR adds a new openjdk build tool GenerateZip, which generates a final "zip" file from an input folder, and creates it in a deterministic way, ensuring ordering and timestamps are set as specified.
>> 
>> Using this tool in ZipArchive.gmk will ensure src.zip is then created deterministically.
>> 
>> Signed-off-by: Andrew Leonard <anleonar at redhat.com>
>
> Andrew Leonard has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR.

In the future, please refrain from force pushing to a PR. It makes history hard to follow for reviewers, and is generally strongly discouraged. OpenJDK uses the Skara tools which will automatically squash and rebase the commits in the PR.

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PR: https://git.openjdk.java.net/jdk/pull/6311