RFR: 8309841: Jarsigner should print a warning if an entry is removed [v2]

[Hai-May Chao]

On Thu, 12 Sep 2024 15:32:44 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> There ~are two~ is one change~s~:
>> 
>> 1. In `jarsigner -verify`, check a .SF file contains un-existing entries and print them out as
>> 
>> Warning: nonexistent signed entries detected: [a]
>> 
>> ~2. In `JarSigner::sign0`, when creating a new .SF file, only include signed file entries.~
>> 
>> *Update*: Even when the JAR file is re-signed, the hash entry for the missing file will be in the new .SF file. There is no way to tell if this is for a file entry or a user-defined entry.
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   test enhancements

Suggest to add testcases to remove more than one entry or file ending with "*" in RemovedFiles.

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PR Comment: https://git.openjdk.org/jdk/pull/19599#issuecomment-2347297843