RFR: 8342704: GHA: Report truncation is broken after JDK-8341424

[Aleksey Shipilev]

On Mon, 21 Oct 2024 14:41:48 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> When GH output is too large, we do not actually truncate it after [JDK-8341424](https://bugs.openjdk.org/browse/JDK-8341424). The error log would be:
> 
> 
> Run bash ./.github/scripts/gen-test-results.sh "$GITHUB_STEP_SUMMARY"
> ./.github/scripts/gen-test-results.sh: line 28: report-utils.sh: No such file or directory
> ./.github/scripts/gen-test-results.sh: line 97: truncate_summary: command not found
> 
> Error: Process completed with exit code 127.
> Error: $GITHUB_STEP_SUMMARY upload aborted, supports content up to a size of 1024k, got 1579k. For more information see: https://docs.github.com/actions/using-workflows/workflow-commands-for-github-actions#adding-a-markdown-summary
> 
> 
> This is because we import report-utils.sh incorrectly: scripts try to find it in current directory, which is not the same directory where the importing scripts are located. And we never see it in normal cases, because scripts are just eating the errors without any other observable effects.
> 
> Additional testing: 
>   - [x] GHA checks work with deliberately failing tests

Thanks!

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PR Comment: https://git.openjdk.org/jdk/pull/21617#issuecomment-2428425762