8342609: jpackage test helper function incorrectly removes a directory instead of its contents only

[GoeLin]

I backport this for parity with 21.0.7-oracle.
17 has the same issue.

Resolved Copyright, probably clean anyways.

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Progress

• JDK-8342609 needs maintainer approval
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Warning

 ⚠️ Found leading lowercase letter in issue title for 8342609: jpackage test helper function incorrectly removes a directory instead of its contents only

Issue

• JDK-8342609: jpackage test helper function incorrectly removes a directory instead of its contents only (Bug - P4 - Requested)

Reviewing

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$ git checkout pull/3165

Update a local copy of the PR:
$ git checkout pull/3165
$ git pull https://git.openjdk.org/jdk17u-dev.git pull/3165/head

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https://git.openjdk.org/jdk17u-dev/pull/3165.diff

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[bridgekeeper]

👋 Welcome back goetz! 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 change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

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

[openjdk]

@GoeLin Please do not rebase or force-push to an active PR as it invalidates existing review comments. Note for future reference, the bots always squash all changes into a single commit automatically as part of the integration. See OpenJDK Developers’ Guide for more information.

[openjdk]

⚠️ @GoeLin This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

Webrevs

• 00: Full (0a9f55c5)

[GoeLin]

GHA failure: well konwn wget issue, unrelated.