Build Target and Web.config file transformations

gistfile1.txt

Target "Build" (fun _ ->

    !! "ContractLookup.sln"
    |> MSBuild buildDir "Build" [
             "Optimize", "True"
             "DebugSymbols", "True"
             "Configuration", "Debug"
             "Platform", "Any CPU"
          ]
    |> Log "Build-Output: "

    let fileMap = new WebConfigurationFileMap()
    fileMap.VirtualDirectories.Add("/config", new VirtualDirectoryMapping(webConfigDestDir, true))
    fileMap.VirtualDirectories.Add("/", new VirtualDirectoryMapping(webConfigDestDir, true, "web.config"))
    
    !! (srcWebDir @@ "\web.*.config")
    |> Seq.iter (fun file -> 
                    let webConfig = (srcWebDir @@ "Web.Config")
                    let transformResult = 
                        ExecProcess (fun info -> 
                            {info with
                                FileName = (DeployScriptsDir @@ "/ctt.exe")
                                WorkingDirectory = buildDir
                                Arguments = sprintf "s:'%s' d:'%s/web.config.test' t:'%s' i e:utf8" webConfig webConfigDestDir file} (TimeSpan.FromMinutes 5.0))
                    
                    if transformResult <> 0 then failwithf "Config file could not be transformed"
                    
                    try
                        WebConfigurationManager.OpenWebConfiguration fileMap destConfig
                    with
                        | :? System.Exception -> failwithf "Config file could not be validated")
    |> Log "Transform-Output: " 
    
    CopyDir (buildDir @@ "_PublishedWebsites/ContractLookup.Web") "ContractLookup" (fun f -> f.EndsWith ".config")
)