8240903: Add test to check that jmod hashes are reproducible

[RealCLanger]

Hi all,

This pull request contains a backport of JDK-8240903, commit 96952834 from the openjdk/jdk repository.

The commit being backported was authored by Dongbo He on 16 Apr 2022 and was reviewed by Alan Bateman.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8240903: Add test to check that jmod hashes are reproducible

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk18u pull/142/head:pull/142
$ git checkout pull/142

Update a local copy of the PR:
$ git checkout pull/142
$ git pull https://git.openjdk.java.net/jdk18u pull/142/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 142

View PR using the GUI difftool:
$ git pr show -t 142

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk18u/pull/142.diff

[bridgekeeper]

👋 Welcome back clanger! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@RealCLanger This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8240903: Add test to check that jmod hashes are reproducible

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[mlbridge]

Webrevs

• 00: Full (ce2224c6)

[RealCLanger]

Got fix approval.
/integrate

[openjdk]

Going to push as commit d554a32.

[openjdk]

@RealCLanger Pushed as commit d554a32.

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