message: ci: Normalize variable names and string interpolation
  Ref
diff: @@ -53,14 +53,14 @@ timestamps {
  sh 'git config user.name "ZNC-Jenkins"'
  sh 'git config user.email jenkins@znc.in'
  sh 'git status'
  - def gitStatusShort = sh (script: 'git status --short', returnStdout: true)
  - def modifiedLocales = sh (
  + def git_status_short = sh (script: 'git status --short', returnStdout: true)
  + def modified_locales = sh (
  script: 'git status --short | grep -o -E "[^ ]+\\.po$" | sed "s/.po//g" | grep -o -E "[a-z]{2}_[A-Z]{2}$" | sort -u | tr "\\n" " " | sed -E "s/ $//"',
  returnStdout: true
  )
  sh 'git add .'
  try {
  - sh 'git commit -m "Update translations from Crowdin for ' + modifiedLocales + '"'
  + sh "git commit -m Update translations from Crowdin for ${modified_locales}"
  } catch(e) {
  echo 'No changes found'
  return
  @@ -80,9 +80,9 @@ timestamps {
  def pulls = httpRequest consoleLogResponseBody: true, customHeaders: headers, url: "https://api.github.com/repos/${upstream_user}/${upstream_repo}/pulls?head=${my_user}:${my_branch}&base=${upstream_branch}"
  pulls = new JsonSlurper().parseText(pulls.content)
  if (!pulls) {
  - def bodyContents = 'Crowdin: https://crowdin.com/project/znc-bouncer\nJenkins Build: ' + env.BUILD_URL
  - bodyContents += "\n\nModified locales:\n" + modifiedLocales
  - bodyContents += "\n\n<details><summary>Modified files</summary>" + gitStatusShort + '</details>'
  + def bodyContents = "Crowdin: https://crowdin.com/project/znc-bouncer\nJenkins Build: ${env.BUILD_URL}"
  + bodyContents += "\n\nModified locales:\n${modified_locales}"
  + bodyContents += "\n\n<details><summary>Modified files</summary>${git_status_short}</details>"
  httpRequest consoleLogResponseBody: true,
  customHeaders: headers,
  @@ -92,7 +92,7 @@ timestamps {
  [
  head: my_user + ':' + my_branch,
  base: upstream_branch,
  - title: 'Update translations in ' + upstream_branch + ' (' + modifiedLocales + ')',
  + title: "Update translations in ${upstream_branch} (${modified_locales})",
  body: bodyContents
  ]
  )
  