mirror of
https://github.com/Dvorinka/Productier.git
synced 2026-06-04 04:23:00 +00:00
Tomas Dvorak
48 lines
1.2 KiB
Bash
Executable File
48 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
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BACKUP_ROOT="${1:-$ROOT_DIR/backups}"
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KEEP_COUNT="${2:-14}"
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if [[ "${1:-}" == "--help" || "${1:-}" == "-h" ]]; then
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cat <<'USAGE'
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Usage:
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scripts/ops/prune-backups.sh [backup-root] [keep-count]
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Examples:
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scripts/ops/prune-backups.sh
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scripts/ops/prune-backups.sh /var/backups/productier 30
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USAGE
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exit 0
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fi
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if ! [[ "$KEEP_COUNT" =~ ^[0-9]+$ ]] || [[ "$KEEP_COUNT" -lt 1 ]]; then
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echo "[error] keep-count must be a positive integer" >&2
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exit 1
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fi
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if [[ ! -d "$BACKUP_ROOT" ]]; then
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echo "[info] backup root does not exist; nothing to prune"
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exit 0
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fi
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mapfile -t backup_dirs < <(
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find "$BACKUP_ROOT" -mindepth 1 -maxdepth 1 -type d -printf '%f\n' \
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| grep -E '^[0-9]{8}T[0-9]{6}Z$' \
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| sort -r
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)
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if [[ "${#backup_dirs[@]}" -le "$KEEP_COUNT" ]]; then
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echo "[info] no pruning needed (${#backup_dirs[@]} backup(s), keep=$KEEP_COUNT)"
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exit 0
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fi
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for backup_name in "${backup_dirs[@]:$KEEP_COUNT}"; do
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target="$BACKUP_ROOT/$backup_name"
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echo "[step] removing old backup: $target"
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rm -rf "$target"
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done
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echo "[ok] pruned backups, kept latest $KEEP_COUNT"
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