morgane
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30 lines
800 B
Bash
Executable File
30 lines
800 B
Bash
Executable File
#!/bin/bash
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# Daily backup of EverShelf database (local only)
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# Retention follows BACKUP_RETENTION_DAYS from .env (default 3)
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set -euo pipefail
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INSTALL_DIR="$(cd "$(dirname "$0")" && pwd)"
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BACKUP_DIR="${INSTALL_DIR}/data/backups"
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ENV_FILE="${INSTALL_DIR}/.env"
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RETENTION=3
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if [ -f "$ENV_FILE" ]; then
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val=$(grep -E '^BACKUP_RETENTION_DAYS=' "$ENV_FILE" | tail -1 | cut -d= -f2)
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if [[ "$val" =~ ^[0-9]+$ ]] && [ "$val" -ge 1 ]; then
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RETENTION="$val"
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fi
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fi
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mkdir -p "$BACKUP_DIR"
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DB_FILE="${INSTALL_DIR}/data/evershelf.db"
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if [ ! -f "$DB_FILE" ]; then
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exit 0
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fi
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DATE=$(date '+%Y-%m-%d_%H%M')
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cp "$DB_FILE" "${BACKUP_DIR}/evershelf_${DATE}.db"
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# Keep only the newest N backups
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ls -t "${BACKUP_DIR}"/evershelf_*.db 2>/dev/null | tail -n +$((RETENTION + 1)) | xargs -r rm --
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