51 lines
1.8 KiB
Bash
51 lines
1.8 KiB
Bash
#!/bin/bash
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# Stop hook management for the agent loop.
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#
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# The Stop hook sends SIGINT to the loop's parent process when a claude session
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# finishes. This is how claude signals "I'm done" back to the bash loop —
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# the Ralph pattern (ghuntley.com/ralph).
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#
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# Without this hook, claude would exit to an interactive prompt instead of
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# returning control to the loop script.
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SETTINGS_FILE="${PROJECT_ROOT}/.claude/settings.local.json"
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install_hooks() {
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if [ ! -f "$SETTINGS_FILE" ]; then
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mkdir -p "$(dirname "$SETTINGS_FILE")"
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echo '{}' > "$SETTINGS_FILE"
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fi
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if command -v jq &>/dev/null; then
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jq '.hooks.Stop = [{"matcher": "", "hooks": [{"type": "command", "command": "kill -INT $PPID || true"}]}]' \
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"$SETTINGS_FILE" > "${SETTINGS_FILE}.tmp" && mv "${SETTINGS_FILE}.tmp" "$SETTINGS_FILE"
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else
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python3 -c "
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import json, os
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p = '$SETTINGS_FILE'
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s = json.load(open(p)) if os.path.exists(p) else {}
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s.setdefault('hooks', {})['Stop'] = [{'matcher': '', 'hooks': [{'type': 'command', 'command': 'kill -INT \$PPID || true'}]}]
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json.dump(s, open(p, 'w'), indent=2)
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"
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fi
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log "Stop hook installed"
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}
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remove_hooks() {
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if [ -f "$SETTINGS_FILE" ]; then
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if command -v jq &>/dev/null; then
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jq 'del(.hooks.Stop)' "$SETTINGS_FILE" > "${SETTINGS_FILE}.tmp" && mv "${SETTINGS_FILE}.tmp" "$SETTINGS_FILE"
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jq 'if .hooks == {} then del(.hooks) else . end' "$SETTINGS_FILE" > "${SETTINGS_FILE}.tmp" && mv "${SETTINGS_FILE}.tmp" "$SETTINGS_FILE"
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else
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python3 -c "
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import json
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s = json.load(open('$SETTINGS_FILE'))
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s.get('hooks', {}).pop('Stop', None)
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if not s.get('hooks'): s.pop('hooks', None)
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json.dump(s, open('$SETTINGS_FILE', 'w'), indent=2)
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"
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fi
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log "Stop hook removed"
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fi
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}
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