#!/usr/bin/env bash
# 服务器上拉代码并重启 PM2.
# 用法(/opt/crypto_okx 下 root):
#   bash deploy/pull_and_restart.sh
#   bash deploy/pull_and_restart.sh --dry-run
set -e
set -u
if [ -n "${BASH_VERSION:-}" ]; then
  set -o pipefail
fi

REPO="${REPO:-/opt/crypto_okx}"
PM2_APP_NAME="${PM2_APP_NAME:-crypto_okx}"
DRY=0
if [[ "${1:-}" == "--dry-run" ]]; then
  DRY=1
  echo "(dry-run mode)"
fi

cd "${REPO}"
echo ">>> git pull"
git pull

if [[ "${DRY}" -eq 1 ]]; then
  echo "(dry-run, skip pm2 restart)"
  exit 0
fi

echo ">>> pm2 restart ${PM2_APP_NAME} --update-env"
if command -v pm2 >/dev/null 2>&1; then
  if pm2 pid "${PM2_APP_NAME}" >/dev/null 2>&1; then
    pm2 restart "${PM2_APP_NAME}" --update-env
  elif [[ -f ecosystem.config.cjs ]]; then
    pm2 start ecosystem.config.cjs
  else
    echo "warn: 未找到 PM2 进程 ${PM2_APP_NAME}" >&2
  fi
else
  echo "warn: 未安装 pm2" >&2
fi

echo "done"