#!/command/with-contenv bash
# shellcheck shell=bash disable=SC2015,SC2016,SC1091,SC2001,SC2154

#---------------------------------------------------------------------------------------------
# Script to remove Globe_History files older than xxx days - this to ensure that the disk 
# doesn't fill up with (unwanted) history files)

# Copyright (C) 2023-2024, Ramon F. Kolb (kx1t) and contributors
# Core script copyright and provided by Matthias Wirth (wiedehopf), used with permission
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with this program.
# If not, see <https://www.gnu.org/licenses/>.
#---------------------------------------------------------------------------------------------

source /scripts/common

if [[ -z "$MAX_GLOBE_HISTORY" ]]; then
    "${s6wrap[@]}" echo "MAX_GLOBE_HISTORY not set - we will not expire any globe_history files"
    exec sleep infinity
fi

cutoffepoch="$(date -d"-${MAX_GLOBE_HISTORY} days" +%s)"

"${s6wrap[@]}" echo "Purging globe_history older than $MAX_GLOBE_HISTORY days (before $(date -d"-${MAX_GLOBE_HISTORY} days" +%d-%b-%Y))"
for dir in $(find /var/globe_history -maxdepth 3 -mindepth 3 | grep -o -E -e '[0-9]{4}/[0-9]{2}/[0-9]{2}$'); do
    if (( $(date -d "$dir" +%s) < cutoffepoch )); then
        rm -rf "/var/globe_history/$dir"
    fi
done
"${s6wrap[@]}" echo "Done - next purge will be in 24 hours"
exec sleep 24h