RFR: 8263204: Add Gradle Wrapper Validation Action

Mon Mar 8 20:41:09 UTC 2021

On Mon, 8 Mar 2021 20:34:05 GMT, John Neffenger <github.com+1413266+jgneff at openjdk.org> wrote:

> 1. This commit adds a tampered Gradle Wrapper JAR file, which should go undetected.
> 2. The next commit will add the Official Gradle Wrapper Validation Action, which should detect the tampered file.
> 3. The final commit will remove the tampered file and replace it with the original Gradle 4.8 Wrapper.

This sounds like a good plan to test it.

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PR: https://git.openjdk.java.net/jfx/pull/419