bot

#!/usr/bin/env bash

if [ -z "$BOT_LOG_FILE" ]; then
  echo "BOT_LOG_FILE missing"
  exit 1
fi
if [ -z "$BOT_BASE_PATH" ]; then
  echo "BOT_BASE_PATH missing"
  exit 1
fi
if [ -z "$BOT_CDNJS_CHECK_DIR" ]; then
  echo "BOT_CDNJS_CHECK_DIR missing"
  exit 1
fi
if [ -z "$BOT_CDNJS_NPM_TEMP" ]; then
  echo "BOT_CDNJS_NPM_TEMP missing"
  exit 1
fi

NVM_DIR="$HOME/.nvm"

if [ -s "$NVM_DIR/nvm.sh" ] && ! command -v nvm &> /dev/null; then
  . "$NVM_DIR/nvm.sh" --no-use
fi

if command -v nvm &> /dev/null; then
  nvm install 10
  echo "nvm version: $(nvm --version)"
fi

echo "git($(command -v git)) version: $(git --version | awk '{print $3}')"
echo "npm($(command -v npm)) version: $(npm --version)"
echo "node($(command -v node)) version: $(node --version)"
echo "BOT_LOG_FILE: $BOT_LOG_FILE"
echo "BOT_BASE_PATH: $BOT_BASE_PATH"
echo "BOT_CDNJS_CHECK_DIR: $BOT_CDNJS_CHECK_DIR"
echo "BOT_CDNJS_NPM_TEMP: $BOT_CDNJS_NPM_TEMP"

if [ "$1" = "debug" ]; then
  set -x
  export GIT_TRACE=true
fi

. "${BOT_BASE_PATH}/script/commonScript.sh" || exit

function log() {
  echo "$@" >> "${BOT_LOG_FILE}"
}

function print-log() {
  log "$@"
  echo "$@"
}

if ! type cowsay &> /dev/null; then
  alias cowsay="echo"
fi

while true; do
  # Prevent the bot to run when another bot is already running
  cdnjsBot2Status=$(systemctl is-active cdnjs-bot2)
  if [ "$cdnjsBot2Status" == "active" ]; then
    echo "cdnjs-bot2 is running; waiting"
    sleep 60
    continue
  fi

  touch $BOT_BASE_PATH/cdnjs-bot.lock

  cowsay "Hi, I'm cdnjs bot"
  StartTimestamp="$(date +%s)"
  print-log "Start time: $(date)"
  cd "${BOT_BASE_PATH}/cdnjs"
  CurrentCommit="$(git log -1 --oneline)"
  if [ "$(git branch | command grep ^* | awk '{print $2}')" != "master" ]; then
    git checkout -f master
  fi
  git diff --quiet || (autoadd)
  run git fetch origin master
  if [ "$(git log --oneline -1 origin/master)" != "$(git log --oneline -1 master)" ]; then
    run git rebase origin/master master
  fi
  run timelimit -q -t 180 -T 200 npm install --no-audit --prefix "${BOT_BASE_PATH}/autoupdate" && run timelimit -q -t 1200 -T 1230 "${BOT_BASE_PATH}/autoupdate/autoupdate.js" &
  run timelimit -q -t 180 -T 200 npm install --no-audit && run timelimit -q -t 1200 -T 1230 node --max-old-space-size=8192 ./auto-update.js run &
  wait
  (autoadd)
  if [ "${CurrentCommit}" = "$(git log -1 --oneline)" ]; then
    print-log "No update detected, bypass pull & push operation"
  else
    print-log "Update detected, now run pull & push operation"
    PUSHED=false
    OLD_MASTER="$(git log --oneline -1 origin/master)"
    run git fetch origin master
    NEW_MASTER="$(git log --oneline -1 origin/master)"
    if [ "${NEW_MASTER}" != "${OLD_MASTER}" ]; then
      print-log "old :${OLD_MASTER}"
      print-log "new :${NEW_MASTER}"
      print-log "Remote master branch update detected! Update local branch!"
      run git rebase origin/master master
    fi
    run git push --tags origin master && PUSHED=true
    if [ ${PUSHED} = false ]; then
      run git pull --rebase origin master
      run git push --tags origin master && PUSHED=true
    fi
    if [ ${PUSHED} = true ]; then
      run git push --tags gitlab master --no-verify
    fi
    run git status
  fi
  print-log "Clean up ..."
  rm -rf $BOT_CDNJS_CHECK_DIR $BOT_CDNJS_NPM_TEMP
  EndTimestamp="$(date +%s)"
  spent="$((EndTimestamp - StartTimestamp))"
  echo -e "\\nTotal time spent for this build is _${spent}_ second(s)\\n"
  print-log "End time: $(date)"
  print-log "Spent ${spent} second ..."
  sleepSecs=$((480 - spent))
  while [[ "${sleepSecs}" -le 60 ]]; do
    sleepSecs=$((480 + sleepSecs))
  done
  if [ "$(date +%a)" = "Sun" ] || [ "$(date +%a)" = "Sat" ]; then
    sleepSecs=$((300 + sleepSecs))
  fi

  rm $BOT_BASE_PATH/cdnjs-bot.lock
  run sleep "${sleepSecs}"
done