ArdupilotCustomFirmwareBuilder/scripts/fetch_releases_cronjob.sh

#!/bin/bash

# this script is intended to be run from a crontab owned by the
# www-data user on ArduPilot's autotest server

# CBS_REMOTES_RELOAD_TOKEN can be supplied as an environment
# variable in the crontab line, for example:

# 0 * * * * CBS_REMOTES_RELOAD_TOKEN=8d64ed06945 /home/custom/beta/CustomBuild/scripts/fetch_release_cronjob.sh

# or can be read from base/secrets/reload_token (the token from the file gets the preference)

CUSTOM_HOME=/home/custom
TOPDIR=$CUSTOM_HOME/beta
LOGDIR=$TOPDIR/cron
BASEDIR=$TOPDIR/base

# Maximum number of log files to retain
MAX_LOG_FILES=50

# Get the current timestamp
TIMESTAMP=$(date +"%Y%m%d_%H%M%S")

# Log file name
LOG_FILE="${LOGDIR}/fetch_releases_${TIMESTAMP}.log"

# Function to clean up old log files
cleanup_old_logs() {
  # Find and sort log files by modification time, oldest first
  LOG_FILES=($(ls -1t ${LOGDIR}/fetch_releases_*.log 2>/dev/null))

  # Count the number of log files
  NUM_LOG_FILES=${#LOG_FILES[@]}

  # If the number of log files is greater than the maximum allowed
  if [ $NUM_LOG_FILES -gt $MAX_LOG_FILES ]; then

    # Loop through and delete the oldest files
    for ((i = $MAX_LOG_FILES ; i < $NUM_LOG_FILES ; i++ )); do
      rm -f "${LOG_FILES[$i]}"
    done

  fi
}

# Call the cleanup function before executing the main script
cleanup_old_logs

# Call the main python script
python3 $TOPDIR/CustomBuild/scripts/fetch_releases.py \
        --appurl https://custom-beta.ardupilot.org/refresh_remotes \
        --basedir $BASEDIR \
        >> $LOG_FILE 2>&1