mirror of
https://codeberg.org/hyperreal/admin-scripts
synced 2024-11-25 09:03:41 +01:00
30 lines
832 B
Plaintext
30 lines
832 B
Plaintext
|
#!/usr/bin/env bash
|
||
|
|
|
||
|
|
# A script to perform incremental backups with rsync
|
||
|
|
# Source: https://linuxconfig.org/how-to-create-incremental-backups-using-rsync-on-linux
|
||
|
|
|
||
|
|
set -o errexit
|
||
|
|
set -o nounset
|
||
|
|
set -o pipefail
|
||
|
|
|
||
|
|
readonly BACKUP_DIR="/mnt/backup"
|
||
|
|
readonly DATETIME
|
||
|
|
DATETIME="$(date '+%Y-%m-%d_%H:%M:%S')"
|
||
|
|
readonly BACKUP_PATH="${BACKUP_DIR}/${DATETIME}"
|
||
|
|
readonly LATEST_LINK="${BACKUP_DIR}/latest"
|
||
|
|
readonly TEMP_DIR
|
||
|
|
TEMP_DIR=$(mktemp -d || echo "Failed to make temp dir"; exit 1)
|
||
|
|
chmod 700 "${TEMP_DIR}"
|
||
|
|
trap 'rm -rf "${TEMP_DIR}"; exit 0' 0 1 2 3 15
|
||
|
|
|
||
|
|
mkdir -p "${BACKUP_DIR}"
|
||
|
|
|
||
|
|
while read -r line; do
|
||
|
|
rsync -aAX "$line" "${TEMP_DIR}";
|
||
|
|
done </etc/rsync-includes.txt
|
||
|
|
|
||
|
|
rsync -av --delete "${TEMP_DIR}/" --link-dest "${LATEST_LINK}" --exclude=".cache" "${BACKUP_PATH}"
|
||
|
|
|
||
|
|
rm -rf "${LATEST_LINK}"
|
||
|
|
ln -s "${BACKUP_PATH}" "${LATEST_LINK}"
|