wehub-resource-sync
68 lines
2.1 KiB
Bash
68 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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# rtk-hook-version: 1
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# RTK Cursor Agent hook — rewrites shell commands to use rtk for token savings.
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# Works with both Cursor editor and cursor-cli (they share ~/.cursor/hooks.json).
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# Cursor preToolUse hook format: receives JSON on stdin, returns JSON on stdout.
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# Requires: rtk >= 0.23.0, jq
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#
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# This is a thin delegating hook: all rewrite logic lives in `rtk rewrite`,
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# which is the single source of truth (src/discover/registry.rs).
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# To add or change rewrite rules, edit the Rust registry — not this file.
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if ! command -v jq &>/dev/null; then
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echo "[rtk] WARNING: jq is not installed. Hook cannot rewrite commands. Install jq: https://jqlang.github.io/jq/download/" >&2
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exit 0
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fi
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if ! command -v rtk &>/dev/null; then
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echo "[rtk] WARNING: rtk is not installed or not in PATH. Hook cannot rewrite commands. Install: https://github.com/rtk-ai/rtk#installation" >&2
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exit 0
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fi
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# Version guard: rtk rewrite was added in 0.23.0.
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RTK_VERSION=$(rtk --version 2>/dev/null | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | head -1)
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if [ -n "$RTK_VERSION" ]; then
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MAJOR=$(echo "$RTK_VERSION" | cut -d. -f1)
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MINOR=$(echo "$RTK_VERSION" | cut -d. -f2)
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if [ "$MAJOR" -eq 0 ] && [ "$MINOR" -lt 23 ]; then
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echo "[rtk] WARNING: rtk $RTK_VERSION is too old (need >= 0.23.0). Upgrade: cargo install rtk" >&2
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exit 0
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fi
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fi
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INPUT=$(cat)
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CMD=$(echo "$INPUT" | jq -r '.tool_input.command // empty')
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if [ -z "$CMD" ]; then
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echo '{}'
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exit 0
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fi
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# Delegate all rewrite logic to the Rust binary.
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# Exit codes: 0 = allow rewrite, 1 = no rewrite (passthrough),
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# 2 = deny, 3 = ask.
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REWRITTEN=$(rtk rewrite "$CMD" 2>/dev/null)
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RC=$?
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if [ "$RC" -ne 0 ] && [ "$RC" -ne 3 ]; then
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echo '{}'
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exit 0
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fi
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# No change — nothing to do.
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if [ -z "$REWRITTEN" ] || [ "$CMD" = "$REWRITTEN" ]; then
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echo '{}'
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exit 0
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fi
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# RC 3 = ask (not enforced by Cursor yet, but future-proof).
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PERMISSION="allow"
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if [ "$RC" -eq 3 ]; then
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PERMISSION="ask"
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fi
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jq -n --arg cmd "$REWRITTEN" --arg perm "$PERMISSION" '{
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"continue": true,
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"permission": $perm,
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"updated_input": { "command": $cmd }
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}'
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