#!/bin/sh

set -e -o pipefail

apk add --upgrade --no-cache restic bash python3 py3-pip py3-click py3-docker-py py3-json-logger curl

# Todo use requirements file with specific versions
pip install --break-system-packages resticpy==1.0.2

if [ -n "$SSH_HOST_KEY" ]
then
    echo "$SSH_HOST_KEY" > /root/.ssh/known_hosts
fi

cron_schedule="${CRON_SCHEDULE:?CRON_SCHEDULE not set}"

if [ -n "$PUSH_URL_START" ]
then
    push_start_notification="curl -s '$PUSH_URL_START' &&"
fi

if [ -n "$PUSH_URL_FAIL" ]
then
    push_fail_notification="|| curl -s '$PUSH_URL_FAIL'"
fi

if [ -n "$PUSH_URL_SUCCESS" ]
then
    push_notification=" && (grep -q 'backup finished' /tmp/backup.log && curl -s '$PUSH_URL_SUCCESS' $push_fail_notification)"
fi

echo "$cron_schedule $push_start_notification backup --machine-logs create  2>&1 | tee /tmp/backup.log $push_notification" | crontab -
crontab -l

crond -f -d8 -L /dev/stdout