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open-coder-ai/block-destructive-commands

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Best-effort, on parsed commands (echo ignored); one verdict table shared with rtk-dangerous-actions-blocker. Blocks recursive deletes of root, home, abs paths or .git; mv/chmod/chown -R of system dirs; dd to devices, mkfs; lockouts; force, delete, mirror pushes; history rewrites; switch --discard; IaC destroy; cloud deletes; DB drops. Asks: rm -rf off a safe list, one named kubectl delete, bare lease, stash drop, -auto-approve, drain, prunes, API deletes. Dry runs pass. Pre-push: no non-ff. [Session-enforced by the PreToolUse hook under com.github.copilot/ in clients that read that namespace (documented for VS Code agent mode); a client that ignores it, as the Agent Plugins spec tells generic clients to, gets the advisory skill only. The hook needs git, a usable bash and a Python 3.11+ (python3, python or py, whichever actually runs). With no working Python it exits 2; without git or bash, fail-open clients allow silently and fail-closed clients refuse matched commands. If the guard itself crashes or times out, the hook asks for confirmation rather than allowing silently -- VS Code agent mode honours that ask and it overrides the client's own auto-approve.]