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This workflow will close PRs that have binary (executables) and archive files. It also rejects the PR if the changes include meta files specific to other programming language ecosystems. It will accept image graphic files (which are treated as binary) though.
Improves upon @prjctimg's work in #793. - Add permissions block for pull-requests: write - Add fetch-depth: 0 for full git history - Add step to fetch base branch before diff - Use github.base_ref instead of hardcoded origin/main - Fix multiline grep pattern (single line now) - Fix MIME type extraction using file --mime-type -b - Fix SVG mime type to svg+xml - Add GH_TOKEN env for gh pr close command - Use ::error:: annotations for better GitHub UI integration
Block by extension: - .exe, .dll (Windows binaries) - .out (Go coverage) - .ezdb, .db, .sqlite, .sqlite3 (databases) Block folders: - .idea/, .vs/ (IDE junk) - __pycache__/ (Python) Block OS junk: - Thumbs.db, Desktop.ini, .DS_Store
SchoolyB
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Apr 3, 2026
ci: add PR sanity check workflow
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Summary
Adds a GitHub Actions workflow that automatically rejects PRs containing:
Based on @prjctimg's work in #793, with fixes applied to make the workflow functional.
Changes from #793
permissionsblock forpull-requests: writefetch-depth: 0for full git history accessorigin/maintoorigin/${{ github.base_ref }}svg+xml)GH_TOKENenv variable forgh pr close::error::annotations for GitHub Actions UICloses #793