#!/usr/bin/env bash

require_deploy_config
set_deploy_hosts

help() {
  echo -e "
${bldwht}Usage:${txtrst}
  edeliver deploy upgrade [[to] staging|production] [Options]

${txtbld}Options:${txtrst}
  --version=<release-version> The version to upgrade the running nodes to. The version
             of the upgrade must have been built before from the version that is running
             on all nodes and ${txtylw}must exist in the release store${txtrst}. If this option
             is omitted, you will be asked to select the version.
  --host=[u@]vwx.yz Deploy the upgrade only to that host, even if different hosts
             are configured.

${bldylw}Info:${txtrst}
  Deploys an upgrade on all staging (default) or production hosts ${txtgrn}using hot code upgrade${txtrst}.
  The ${txtylw}upgrade must have been built before${txtrst} by the ${bldwht}build upgrade${txtrst} command
  ${txtylw}from the version that is running on the nodes${txtrst} it will be deployed to.
  ${txtgrn}No restart of the nodes${txtrst} is required.
  "
}


run() {
  authorize_hosts
  authorize_release_store_host
  authorize_deploy_hosts_on_release_store
  select_release_from_store "upgrade"
  if [[ "$RELEASE_CMD" = "mix" ]]; then
    upload_release_archive "${DELIVER_TO}/${APP}/releases/${VERSION}"
    __remote "
      [ -f ~/.profile ] && source ~/.profile
      set -e
      cd ${DELIVER_TO}/${APP}/releases/${VERSION} $SILENCE
      mv \"${APP}_${VERSION}.tar.gz\" \"${APP}.tar.gz\"
    "
  else
    upload_release_archive "${DELIVER_TO}/${APP}/releases"
  fi
  upgrade_release
}