claude-backup

#!/bin/bash
# Claude Code Conversation Backup
# Creates a timestamped backup of ~/.claude data

set -e

# Save original directory to return to it at the end
ORIGINAL_DIR="$(pwd)"

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# Load configuration
source "$SCRIPT_DIR/lib-claude-sync.sh"

# Handle --version flag
if [ "$1" = "--version" ] || [ "$1" = "-v" ]; then
    show_version "$SCRIPT_DIR" "claude-backup"
    exit 0
fi

load_config "$SCRIPT_DIR"

CLAUDE_DIR="$CLAUDE_DATA_DIR"
BACKUP_DIR="$SCRIPT_DIR/backups"
TIMESTAMP=$(date '+%Y%m%d-%H%M%S')
HOSTNAME=$(hostname)
BACKUP_NAME="${TIMESTAMP}-${HOSTNAME}"
BACKUP_PATH="$BACKUP_DIR/$BACKUP_NAME"

echo "=== Claude Code Backup ==="
echo ""

# Check if Claude directory exists
if [ ! -d "$CLAUDE_DIR" ]; then
    echo "Error: $CLAUDE_DIR does not exist."
    echo "Claude Code may not have been used yet on this machine."
    cd "$ORIGINAL_DIR"
    exit 1
fi

# Create backup directory
mkdir -p "$BACKUP_DIR"

echo "Creating backup: $BACKUP_NAME"
echo "Source: $CLAUDE_DIR"
echo "Destination: $BACKUP_PATH"
echo ""

# Create backup using tar for better compression and integrity
tar -czf "$BACKUP_PATH.tar.gz" \
    -C "$(dirname "$CLAUDE_DIR")" \
    --exclude='$(basename "$CLAUDE_DIR")/.credentials.json' \
    --exclude='$(basename "$CLAUDE_DIR")/debug' \
    --exclude='$(basename "$CLAUDE_DIR")/statsig' \
    "$(basename "$CLAUDE_DIR")"

echo "Backup created successfully!"
echo ""
echo "Backup file: $BACKUP_PATH.tar.gz"
echo "Size: $(du -h "$BACKUP_PATH.tar.gz" | cut -f1)"
echo ""

# Show number of backups
BACKUP_COUNT=$(ls -1 "$BACKUP_DIR"/*.tar.gz 2>/dev/null | wc -l)
echo "Total backups: $BACKUP_COUNT"

# Check retention policy
RETENTION_DAYS="$CLAUDE_BACKUP_RETENTION_DAYS"
if [ "$BACKUP_COUNT" -gt 20 ] || [ -n "$RETENTION_DAYS" ]; then
    echo ""
    echo "Retention policy: Keep backups for $RETENTION_DAYS days"

    # Auto-cleanup old backups based on retention
    if [ -n "$RETENTION_DAYS" ] && [ "$RETENTION_DAYS" -gt 0 ]; then
        OLD_BACKUPS=$(find "$BACKUP_DIR" -name "*.tar.gz" -type f -mtime +"$RETENTION_DAYS" 2>/dev/null)
        if [ -n "$OLD_BACKUPS" ]; then
            echo "Cleaning up backups older than $RETENTION_DAYS days..."
            echo "$OLD_BACKUPS" | while read old_backup; do
                echo "  Removing: $(basename "$old_backup")"
                rm "$old_backup"
            done
        fi
    elif [ "$BACKUP_COUNT" -gt 20 ]; then
        echo "Warning: You have $BACKUP_COUNT backups. Consider cleaning old ones:"
        echo "  ls -lth $BACKUP_DIR/"
        echo "  rm $BACKUP_DIR/<old-backup>.tar.gz"
    fi
fi

echo ""
echo "To restore this backup later, run:"
echo "  claude-restore $BACKUP_NAME"

# Return to original directory
cd "$ORIGINAL_DIR"