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#!/usr/bin/env bash
#
# made by Dennis Eriksen <dnns.no> in 2020.
# Exit on error. Append "|| true" if you expect an error.
set -o errexit
# Exit on error inside any functions or subshells.
set -o errtrace
# Do not allow use of undefined vars. Use ${VAR:-} to use an undefined VAR
set -o nounset
# Catch the error in case mysqldump fails (but gzip succeeds) in `mysqldump |gzip`
set -o pipefail
LOGDIR=/var/log/mkosibuild/
BACKUPDIR=/var/lib/machines/.backup
BACKUPNUM=5
EXEC=mkosibuild # This provides the exec is in your $PATH
CRONSUFFIX="-cron" # Suffix for backups made through cron
export CRON=true
export CRONSUFFIX
MACHINES=()
# Import config to override above config
[[ -r /etc/mkosibuild ]] && . /etc/mkosibuild
# Check if logdir exists, and create it if not
[[ -d "${LOGDIR}" ]] || mkdir "${LOGDIR}"
for machine in ${MACHINES[*]}; do
LOG="${LOGDIR}/${machine}.log"
BUILDLOG="${LOGDIR}/${machine}.buildlog.$(date +%Y%m%d%H%M%S)"
touch "${LOG}" && chmod 600 "${LOG}"
#exec >> "${LOG}"
echo "" >> "${LOG}"
echo "Starting build $(date +%Y-%m-%d_%H:%M:%S)" >> "${LOG}"
${EXEC} "$machine" &>> "${BUILDLOG}"
# Delete old backups
find "${BACKUPDIR}" -name "${machine}.*${CRONSUFFIX}" | tail -n +$((BACKUPNUM + 1)) | xargs rm -fv -- >> "${LOG}"
done
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