scripts/diffcheck.sh: Use secure temp files and git archive for better safety #1924
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jonatack
reviewed
Aug 12, 2025
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LGTM, but I'm not a bash expert. Pinging file authors @kallewoof @achow101 for feedback.
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I didn't really write that code. The reason I'm on blame is because of the move that happened in #1432. That said, this PR seems to unnecessarily complicate things. This script is meant to be run in Github Actions. It's not meant to be run by users, and doesn't need "better safety". I have no strong opinion on the subject though so if others think this is useful, go ahead. |
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Thank you for the feedback @kallewoof. |
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Summary
Refactor
scripts/diffcheck.shto improve security and reliability by replacing fixed/tmppaths with secure temporary directories and avoiding destructivegit checkout.Changes
mktemp -dwith automatic cleanup viatrapinstead of hardcoded/tmppathsgit checkout HEAD^withgit archiveto avoid modifying working tree state