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Error definition changes

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Summary of Changes

Hello @learnthusalearner, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refines the error message presented by a Semgrep rule designed to flag the use of pull_request_target in GitHub Actions. The change aims to enhance the clarity and comprehensiveness of the warning, ensuring developers better understand the security implications and recommended practices when configuring workflow triggers.

Highlights

  • Semgrep Rule Message Update: The warning message for the pull_request_target Semgrep rule has been updated to provide clearer and more detailed guidance.
  • Improved Clarity: The revised message now explicitly states the high-risk nature of pull_request_target and suggests safer alternatives, along with instructions for dismissal if necessary.
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Code Review

This pull request updates the message for the pull-request-target-needs-exception semgrep rule to be more explicit about the risks. The change is good, but the YAML formatting for the multi-line message can be improved to ensure newlines are preserved for better readability in the output, as noted in the specific comment.

Comment on lines +6 to +9
message: 'pull_request_target is a high-risk event and should only be used in exceptional cases.
Please choose a safer trigger whenever possible.
If you are certain this workflow requires pull_request_target, you may dismiss this alert and proceed with the merge.
For more details, see: https://google.github.io/github-team/semgrep-rules/pull-request-target-needs-exception.html'

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medium

The new message is much clearer. However, by using a single-quoted string ('...'), the newlines will be folded into spaces, resulting in a single long line of text. If you intend for the message to have line breaks for better readability in the Semgrep output, you should use a literal block scalar (|). This will preserve the newlines and make the message easier to read. The trailing double spaces at the end of sentences are also no longer necessary with this change.

    message: |
      pull_request_target is a high-risk event and should only be used in exceptional cases.
      Please choose a safer trigger whenever possible.
      If you are certain this workflow requires pull_request_target, you may dismiss this alert and proceed with the merge.
      For more details, see: https://google.github.io/github-team/semgrep-rules/pull-request-target-needs-exception.html

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