00fa1af898
Hook source of truth now in hooks/, symlinked from ~/.claude/hooks/. HOOKS.md covers what each hook does and installation steps. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
31 lines
1.2 KiB
Bash
Executable File
31 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Pre-compact hook: save a copy of the session transcript before compaction.
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# Claude Code pipes JSON to stdin with session_id, transcript_path, cwd, etc.
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set -euo pipefail
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# Parse stdin JSON for transcript path and session ID
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INPUT="$(cat)"
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TRANSCRIPT_PATH="$(echo "$INPUT" | python3 -c "import sys,json; print(json.load(sys.stdin).get('transcript_path',''))" 2>/dev/null)"
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SESSION_ID="$(echo "$INPUT" | python3 -c "import sys,json; print(json.load(sys.stdin).get('session_id',''))" 2>/dev/null)"
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TRIGGER="$(echo "$INPUT" | python3 -c "import sys,json; print(json.load(sys.stdin).get('trigger','unknown'))" 2>/dev/null)"
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if [ -z "$TRANSCRIPT_PATH" ] || [ ! -f "$TRANSCRIPT_PATH" ]; then
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echo "pre-compact-backup: no transcript found, skipping" >&2
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exit 0
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fi
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# Save to ~/.claude/transcript-backups/ with timestamp
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BACKUP_DIR="$HOME/.claude/transcript-backups"
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mkdir -p "$BACKUP_DIR"
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TIMESTAMP="$(date +%Y%m%d-%H%M%S)"
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BACKUP_FILE="${BACKUP_DIR}/${TIMESTAMP}-${SESSION_ID:0:8}-${TRIGGER}.jsonl"
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cp "$TRANSCRIPT_PATH" "$BACKUP_FILE"
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# Prune backups older than 30 days
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find "$BACKUP_DIR" -name "*.jsonl" -mtime +30 -delete 2>/dev/null || true
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echo "pre-compact-backup: saved $(wc -l < "$BACKUP_FILE") lines to ${BACKUP_FILE##*/}" >&2
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