curlShowErrors.sh

curlShowErrors() {
  local exitCode=0
  local output
  local status
  output="$(curl -sS -w '%{http_code}' "$@" | base64 -w 0)" || exitCode="$?"
  status="$(printf %s "$output" | base64 -d | tail -c 3)"
  if [[ "$status" =~ 2.. ]]; then
    printf %s "$output" | base64 -d | head -c -3
  else
    printf %s "http $status: " >&2
    printf %s "$output" | base64 -d | head -c -3 >&2
    printf '\n' >&2
    if [[ "$exitCode" == 0 ]]; then
      exitCode="10$(printf %s "$status" | head -c 1)"
    fi
  fi
  return "$exitCode"
}