Borg backup script using Borgmatic and ntfy.sh

backup.sh

#!/usr/bin/env bash

function _trap_exit () {
    ret=$?

   if [ $ret -ne 0 ]; then
        echo "Backup failed on '${BASH_COMMAND}'"
        notify "max" "skull" "Borgmatic backup failed on '${BASH_COMMAND}'"
   else
        notify "default" "+1" "Borgmatic backup completed successfully"
   fi

    echo "[exit with status ${ret}]"
    exit $ret
}
trap _trap_exit EXIT

function _trap_ctrl_c() {
    echo "** Trapped CTRL-C"
    exit -1
}
trap _trap_ctrl_c INT

IFS=$'\n\t'
set -o errexit
set -o pipefail
set -o nounset
# set -o xtrace

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

if [ "$EUID" -ne 0 ] ; then
   echo "Please run script as root (use sudo)"
   exit 1
fi

echo "[start]"

notify () {
    # $1 = priority (eg: default)
    # $2 = tags (eg: +1)
    # $3 = message (eq "Success")
    curl \
        -H "Title: My Server Backup" \
        -H "Priority: ${1}" \
        -H "Tags: borgmatic,${2}" \
        -d "${3}" \
        https://ntfy.sh/my_unique_ntfy_url
}

notify "min" "clock2" "Borgmatic backup started"

export BORG_CACHE_DIR=/my/custom/cache/dir/dont/want/user/dir
export BORG_PASSPHRASE=Pa55phraseHere!

echo "Create backup..."
borgmatic --config config.yaml  --verbosity 1 create

echo "Cleanup old backups..."
borgmatic --config config.yaml prune

echo "Cleanup diskspace"
borgmatic --config config.yaml compact

echo "Backup status"
borgmatic --config config.yaml info

echo "[done]"