anchor.diff:          handler.AutomaticDecompression <- DecompressionMethods.GZip ||| DecompressionMethods.Deflate
   
           let client = new HttpClient(handler)
  -        let githubToken = getGithubToken()
  -
           match auth with
           | None when not (isNull githubToken) ->
               client.DefaultRequestHeaders.Authorization <-
  
positive.code:         let env = env.ToLowerInvariant()
          env = "true" || env = "yes" || env = "y"
  
  let private getGithubToken () =
      Environment.GetEnvironmentVariable "PAKET_GITHUB_API_TOKEN"
  
  let createHttpClient (url,auth:Auth option) =
  #if !NO_WINCLIENTHANDLER
      if isWindows && not useDefaultHandler then
          // See https://github.com/dotnet/corefx/issues/31098
  
negative.code:     client.Headers.Add("User-Agent", "Paket")
      client.Proxy <- getDefaultProxyFor url
  
      let githubToken = Environment.GetEnvironmentVariable "PAKET_GITHUB_API_TOKEN"
  
      match auth with
      | Some (Credentials({Username = username; Password = password; Type = AuthType.Basic})) ->
  