build.fsx

open System.Runtime.ExceptionServices

#I @"tools/FAKE/tools"
#r "FakeLib.dll"

open System
open System.IO
open System.Text


open Fake
open Fake.DotNetCli
open Fake.DocFxHelper
open Fake.NuGet.Install

// Variables
let configuration = "Release"
let solution = System.IO.Path.GetFullPath(string "./src/Akka.sln")

// Directories
let toolsDir = __SOURCE_DIRECTORY__ @@ "tools"
let output = __SOURCE_DIRECTORY__  @@ "bin"
let outputTests = __SOURCE_DIRECTORY__ @@ "TestResults"
let outputPerfTests = __SOURCE_DIRECTORY__ @@ "PerfResults"
let outputBinaries = output @@ "binaries"
let outputNuGet = output @@ "nuget"
let outputMultiNode = outputTests @@ "multinode"
let outputFailedMultiNode = outputTests @@ "multinode" @@ "FAILED_SPECS_LOGS"
let outputBinariesNet45 = outputBinaries @@ "net45"
let outputBinariesNetStandard = outputBinaries @@ "netstandard2.0"
let outputBinariesNet = outputBinaries @@ "net7.0"

let buildNumber = environVarOrDefault "BUILD_NUMBER" "0"
let hasTeamCity = (not (buildNumber = "0")) // check if we have the TeamCity environment variable for build # set
let preReleaseVersionSuffix = "beta" + (if (not (buildNumber = "0")) then (buildNumber) else DateTime.UtcNow.Ticks.ToString())

let releaseNotes =
    File.ReadLines (__SOURCE_DIRECTORY__ @@ "RELEASE_NOTES.md")
    |> ReleaseNotesHelper.parseReleaseNotes

let versionFromReleaseNotes =
    match releaseNotes.SemVer.PreRelease with
    | Some r -> r.Origin
    | None -> ""

let versionSuffix =
    match (getBuildParam "nugetprerelease") with
    | "dev" -> preReleaseVersionSuffix
    | "" -> versionFromReleaseNotes
    | str -> str


// Incremental builds
let runIncrementally = hasBuildParam "incremental"
let incrementalistReport = output @@ "incrementalist.txt"

// Configuration values for tests
let testNetFrameworkVersion = "net471"
let testNetCoreVersion = "netcoreapp3.1"
let testNetVersion = "net7.0"

Target "Clean" (fun _ ->
    ActivateFinalTarget "KillCreatedProcesses"

    CleanDir output
    CleanDir outputTests
    CleanDir outputPerfTests
    CleanDir outputBinaries
    CleanDir outputNuGet
    CleanDir outputMultiNode
    CleanDir outputBinariesNet45
    CleanDir outputBinariesNetStandard
    CleanDir outputBinariesNet
    CleanDir "docs/_site"

    CleanDirs !! "./**/bin"
    CleanDirs !! "./**/obj"
)


//--------------------------------------------------------------------------------
// Incrementalist targets
//--------------------------------------------------------------------------------
// Pulls the set of all affected projects detected by Incrementalist from the cached file
let getAffectedProjectsTopology =
    lazy(
        log (sprintf "Checking inside %s for changes" incrementalistReport)

        let incrementalistFoundChanges = File.Exists incrementalistReport

        log (sprintf "Found changes via Incrementalist? %b - searched inside %s" incrementalistFoundChanges incrementalistReport)
        if not incrementalistFoundChanges then None
        else
            let sortedItems = (File.ReadAllLines incrementalistReport) |> Seq.map (fun x -> (x.Split ','))
                              |> Seq.map (fun items -> (items.[0], items))
            let d = dict sortedItems
            Some(d)
    )

let getAffectedProjects =
    lazy(
        let finalProjects = getAffectedProjectsTopology.Value
        match finalProjects with
        | None -> None
        | Some p -> Some (p.Values |> Seq.concat)
    )

Target "ComputeIncrementalChanges" (fun _ ->
    if runIncrementally then
        let targetBranch = match getBuildParam "targetBranch" with
                            | "" -> "dev"
                            | null -> "dev"
                            | b -> b
        let incrementalistPath =
                let incrementalistDir = toolsDir @@ "incrementalist"
                let globalTool = tryFindFileOnPath "incrementalist.exe"
                match globalTool with
                    | Some t -> t
                    | None -> if isWindows then findToolInSubPath "incrementalist.exe" incrementalistDir
                              elif isMacOS then incrementalistDir @@ "incrementalist"
                              else incrementalistDir @@ "incrementalist"


        let args = StringBuilder()
                |> append "-b"
                |> append targetBranch
                |> append "-s"
                |> append solution
                |> append "-f"
                |> append incrementalistReport
                |> toText

        let result = ExecProcess(fun info ->
            info.FileName <- incrementalistPath
            info.WorkingDirectory <- __SOURCE_DIRECTORY__
            info.Arguments <- args) (System.TimeSpan.FromMinutes 5.0) (* Reasonably long-running task. *)

        if result <> 0 then failwithf "Incrementalist failed. %s" args
    else
        log "Skipping Incrementalist - not enabled for this build"
)

let filterProjects selectedProject =
    if runIncrementally then
        let affectedProjects = getAffectedProjects.Value

        (*
        if affectedProjects.IsSome then
            log (sprintf "Searching for %s inside [%s]" selectedProject (String.Join(",", affectedProjects.Value)))
        else
            log "No affected projects found"
        *)

        match affectedProjects with
        | None -> None
        | Some x when x |> Seq.exists (fun n -> n.Contains (System.IO.Path.GetFileName(string selectedProject))) -> Some selectedProject
        | _ -> None
    else
        log "Not running incrementally"
        Some selectedProject

//--------------------------------------------------------------------------------
// Build targets
//--------------------------------------------------------------------------------
let skipBuild =
    lazy(
        match getAffectedProjects.Value with
        | None when runIncrementally -> true
        | _ -> false
    )

let headProjects =
    lazy(
        match getAffectedProjectsTopology.Value with
        | None when runIncrementally -> [||]
        | None -> [|solution|]
        | Some p -> p.Keys |> Seq.toArray
    )

Target "AssemblyInfo" (fun _ ->
    XmlPokeInnerText "./src/common.props" "//Project/PropertyGroup/VersionPrefix" releaseNotes.AssemblyVersion
    XmlPokeInnerText "./src/common.props" "//Project/PropertyGroup/PackageReleaseNotes" (releaseNotes.Notes |> String.concat "\n")
)

Target "Build" (fun _ ->
    if not skipBuild.Value then
        let additionalArgs = if versionSuffix.Length > 0 then [sprintf "/p:VersionSuffix=%s" versionSuffix] else []
        let buildProject proj =
            DotNetCli.Build
                (fun p ->
                    { p with
                        Project = proj
                        Configuration = configuration
                        AdditionalArgs = additionalArgs })

        match getAffectedProjects.Value with
        | Some p -> p |> Seq.iter buildProject
        | None -> buildProject solution // build the entire solution if incrementalist is disabled
)

//--------------------------------------------------------------------------------
// Tests targets
//--------------------------------------------------------------------------------
type Runtime =
    | NetCore
    | Net
    | NetFramework

let getTestAssembly runtime project =
    let assemblyPath = match runtime with
                        | NetCore -> !! ("src" @@ "**" @@ "bin" @@ "Release" @@ testNetCoreVersion @@ fileNameWithoutExt project + ".dll")
                        | NetFramework -> !! ("src" @@ "**" @@ "bin" @@ "Release" @@ testNetFrameworkVersion @@ fileNameWithoutExt project + ".dll")
                        | Net -> !! ("src" @@ "**" @@ "bin" @@ "Release" @@ testNetVersion @@ fileNameWithoutExt project + ".dll")

    if Seq.isEmpty assemblyPath then
        None
    else
        Some (assemblyPath |> Seq.head)

module internal ResultHandling =
    let (|OK|Failure|) = function
        | 0 -> OK
        | x -> Failure x

    let buildErrorMessage = function
        | OK -> None
        | Failure errorCode ->
            Some (sprintf "xUnit2 reported an error (Error Code %d)" errorCode)

    let failBuildWithMessage = function
        | DontFailBuild -> traceError
        | _ -> (fun m -> raise(FailedTestsException m))

    let failBuildIfXUnitReportedError errorLevel =
        buildErrorMessage
        >> Option.iter (failBuildWithMessage errorLevel)

Target "RunTests" (fun _ ->
    let projects =
        let rawProjects = match (isWindows) with
                            | true -> !! "./src/**/*.Tests.*sproj"
                                      ++ "./src/**/Akka.Streams.Tests.TCK.csproj"
                                      -- "./src/**/*.Tests.MultiNode.csproj"
                                      -- "./src/examples/**"
                            | _ -> !! "./src/**/*.Tests.*sproj" // if you need to filter specs for Linux vs. Windows, do it here
                                   -- "./src/**/*.Tests.MultiNode.csproj"
                                   -- "./src/examples/**"
        rawProjects |> Seq.choose filterProjects

    let runSingleProject project =
        let arguments =
            match (hasTeamCity) with
            | true -> (sprintf "test -c Release --blame-crash --blame-hang-timeout 30s --no-build --logger:trx --logger:\"console;verbosity=normal\" --framework %s --results-directory \"%s\" -- -parallel none -teamcity" testNetFrameworkVersion outputTests)
            | false -> (sprintf "test -c Release --blame-crash --blame-hang-timeout 30s --no-build --logger:trx --logger:\"console;verbosity=normal\" --framework %s --results-directory \"%s\" -- -parallel none" testNetFrameworkVersion outputTests)

        let result = ExecProcess(fun info ->
            info.FileName <- "dotnet"
            info.WorkingDirectory <- (Directory.GetParent project).FullName
            info.Arguments <- arguments) (TimeSpan.FromMinutes 30.0)

        ResultHandling.failBuildIfXUnitReportedError TestRunnerErrorLevel.Error result

    CreateDir outputTests
    projects |> Seq.iter (runSingleProject)
)

Target "RunTestsNetCore" (fun _ ->
    if not skipBuild.Value then
        let projects =
            let rawProjects = match (isWindows) with
                                | true -> !! "./src/**/*.Tests.*sproj"
                                          ++ "./src/**/Akka.Streams.Tests.TCK.csproj"
                                          -- "./src/**/*.Tests.MultiNode.csproj"
                                          -- "./src/examples/**"
                                | _ -> !! "./src/**/*.Tests.*sproj" // if you need to filter specs for Linux vs. Windows, do it here
                                       -- "./src/**/*.Tests.MultiNode.csproj"
                                       -- "./src/examples/**"
            rawProjects |> Seq.choose filterProjects

        let runSingleProject project =
            let arguments =
                match (hasTeamCity) with
                | true -> (sprintf "test -c Release --blame-crash --blame-hang-timeout 30s --no-build --logger:trx --logger:\"console;verbosity=normal\" --framework %s --results-directory \"%s\" -- -parallel none -teamcity" testNetCoreVersion outputTests)
                | false -> (sprintf "test -c Release --blame-crash --blame-hang-timeout 30s --no-build --logger:trx --logger:\"console;verbosity=normal\" --framework %s --results-directory \"%s\" -- -parallel none" testNetCoreVersion outputTests)

            let result = ExecProcess(fun info ->
                info.FileName <- "dotnet"
                info.WorkingDirectory <- (Directory.GetParent project).FullName
                info.Arguments <- arguments) (TimeSpan.FromMinutes 30.0)

            ResultHandling.failBuildIfXUnitReportedError TestRunnerErrorLevel.Error result

        CreateDir outputTests
        projects |> Seq.iter (runSingleProject)
)

Target "RunTestsNet" (fun _ ->
    if not skipBuild.Value then
        let projects =
            let rawProjects = match (isWindows) with
                                | true -> !! "./src/**/*.Tests.*sproj"
                                          ++ "./src/**/Akka.Streams.Tests.TCK.csproj"
                                          -- "./src/**/*.Tests.MultiNode.csproj"
                                          -- "./src/examples/**"
                                | _ -> !! "./src/**/*.Tests.*sproj" // if you need to filter specs for Linux vs. Windows, do it here
                                       -- "./src/**/*.Tests.MultiNode.csproj"
                                       -- "./src/examples/**"
            rawProjects |> Seq.choose filterProjects

        let runSingleProject project =
            let arguments =
                match (hasTeamCity) with
                | true -> (sprintf "test -c Release --blame-crash --blame-hang-timeout 30s --no-build --logger:trx --logger:\"console;verbosity=normal\" --framework %s --results-directory \"%s\" -- -parallel none -teamcity" testNetVersion outputTests)
                | false -> (sprintf "test -c Release --blame-crash --blame-hang-timeout 30s --no-build --logger:trx --logger:\"console;verbosity=normal\" --framework %s --results-directory \"%s\" -- -parallel none" testNetVersion outputTests)

            let result = ExecProcess(fun info ->
                info.FileName <- "dotnet"
                info.WorkingDirectory <- (Directory.GetParent project).FullName
                info.Arguments <- arguments) (TimeSpan.FromMinutes 30.0)

            ResultHandling.failBuildIfXUnitReportedError TestRunnerErrorLevel.Error result

        CreateDir outputTests
        projects |> Seq.iter (runSingleProject)
)

Target "MultiNodeTestsNetCore" (fun _ ->
    if not skipBuild.Value then
        setEnvironVar "AKKA_CLUSTER_ASSERT" "on" // needed to enable assert invariants for Akka.Cluster

        let projects =
            let rawProjects = match (isWindows) with
                                | true -> !! "./src/**/*.Tests.MultiNode.csproj"
                                | _ -> !! "./src/**/*.Tests.MultiNode.csproj" // if you need to filter specs for Linux vs. Windows, do it here
            rawProjects |> Seq.choose filterProjects

        let projectDlls = projects |> Seq.map ( fun project ->
                let assemblyName = fileNameWithoutExt project
                (directory project) @@ "bin" @@ "Release" @@ testNetCoreVersion @@ assemblyName + ".dll" 
            )
        
        let runSingleProject projectDll =
            let arguments =
                match (hasTeamCity) with
                | true -> (sprintf "test \"%s\" -l:\"console;verbosity=detailed\" --framework %s --results-directory \"%s\" -- -teamcity" projectDll testNetCoreVersion outputMultiNode)
                | false -> (sprintf "test \"%s\" -l:\"console;verbosity=detailed\" --framework %s --results-directory \"%s\"" projectDll testNetCoreVersion outputMultiNode)

            let resultPath = (directory projectDll)
            File.WriteAllText(
                (resultPath @@ "xunit.multinode.runner.json"),
                (sprintf "{\"outputDirectory\":\"%s\", \"useBuiltInTrxReporter\":true}" outputMultiNode).Replace("\\", "\\\\"))
            
            let result = ExecProcess(fun info ->
                info.FileName <- "dotnet"
                info.WorkingDirectory <- outputMultiNode
                info.Arguments <- arguments) (TimeSpan.FromMinutes 90.0)

            ResultHandling.failBuildIfXUnitReportedError TestRunnerErrorLevel.Error result

        CreateDir outputMultiNode
        projectDlls |> Seq.iter ( fun projectDll -> 
            runSingleProject projectDll
        )
)

Target "MultiNodeTestsNet" (fun _ ->
    if not skipBuild.Value then
        setEnvironVar "AKKA_CLUSTER_ASSERT" "on" // needed to enable assert invariants for Akka.Cluster

        let projects =
            let rawProjects = match (isWindows) with
                                | true -> !! "./src/**/*.Tests.MultiNode.csproj"
                                | _ -> !! "./src/**/*.Tests.MultiNode.csproj" // if you need to filter specs for Linux vs. Windows, do it here
            rawProjects |> Seq.choose filterProjects

        let projectDlls = projects |> Seq.map ( fun project ->
                let assemblyName = fileNameWithoutExt project
                (directory project) @@ "bin" @@ "Release" @@ testNetVersion @@ assemblyName + ".dll" 
            )
        
        let runSingleProject projectDll =
            let arguments =
                match (hasTeamCity) with
                | true -> (sprintf "test \"%s\" -l:\"console;verbosity=detailed\" --framework %s --results-directory \"%s\" -- -teamcity" projectDll testNetVersion outputMultiNode)
                | false -> (sprintf "test \"%s\" -l:\"console;verbosity=detailed\" --framework %s --results-directory \"%s\"" projectDll testNetVersion outputMultiNode)

            let resultPath = (directory projectDll)
            File.WriteAllText(
                (resultPath @@ "xunit.multinode.runner.json"),
                (sprintf "{\"outputDirectory\":\"%s\", \"useBuiltInTrxReporter\":true}" outputMultiNode).Replace("\\", "\\\\"))
            
            let result = ExecProcess(fun info ->
                info.FileName <- "dotnet"
                info.WorkingDirectory <- outputMultiNode
                info.Arguments <- arguments) (TimeSpan.FromMinutes 90.0)

            ResultHandling.failBuildIfXUnitReportedError TestRunnerErrorLevel.Error result

        CreateDir outputMultiNode
        projectDlls |> Seq.iter ( fun projectDll -> 
            runSingleProject projectDll
        )
)

Target "NBench" (fun _ ->
    ensureDirectory outputPerfTests
    let projects =
        let rawProjects = match (isWindows) with
                            | true -> !! "./src/**/*Tests.Performance.csproj"
                            | _ -> !! "./src/**/*Tests.Performance.csproj" // if you need to filter specs for Linux vs. Windows, do it here
        rawProjects |> Seq.choose filterProjects

    projects |> Seq.iter(fun project ->
        let args = new StringBuilder()
                |> append "run"
                |> append "--no-build"
                |> append "-c"
                |> append configuration
                |> append " -- "
                |> append "--output"
                |> append outputPerfTests
                |> append "--concurrent"
                |> append "true"
                |> append "--trace"
                |> append "true"
                |> append "--diagnostic"
                |> toText

        let result = ExecProcess(fun info ->
            info.FileName <- "dotnet"
            info.WorkingDirectory <- (Directory.GetParent project).FullName
            info.Arguments <- args) (System.TimeSpan.FromMinutes 15.0) (* Reasonably long-running task. *)
        if result <> 0 then failwithf "NBench.Runner failed. %s %s" "dotnet" args
    )
)

//--------------------------------------------------------------------------------
// Nuget targets
//--------------------------------------------------------------------------------

Target "CreateNuget" (fun _ ->
    CreateDir outputNuGet // need this to stop Azure pipelines copy stage from error-ing out
    if not skipBuild.Value then
        let projects =
            let rawProjects = !! "src/**/*.*sproj"
                            -- "src/**/*.Tests*.*sproj"
                            -- "src/benchmark/**/*.*sproj"
                            -- "src/examples/**/*.*sproj"
                            -- "src/**/*.MultiNodeTestRunner.csproj"
                            -- "src/**/*.MultiNodeTestRunner.Shared.csproj"
                            -- "src/**/*.NodeTestRunner.csproj"
            rawProjects |> Seq.choose filterProjects

        let runSingleProject project =
            DotNetCli.Pack
                (fun p ->
                    { p with
                        Project = project
                        Configuration = configuration
                        AdditionalArgs = ["--include-symbols"]
                        VersionSuffix = versionSuffix
                        OutputPath = "\"" + outputNuGet + "\"" })

        projects |> Seq.iter (runSingleProject)
)

Target "PublishNuget" (fun _ ->
    let nugetExe = FullName @"./tools/nuget.exe"
    let rec publishPackage url apiKey trialsLeft packageFile =
        let tracing = enableProcessTracing
        enableProcessTracing <- false
        let args p =
            match p with
            | (pack, key, "") -> sprintf "push \"%s\" %s" pack key
            | (pack, key, url) -> sprintf "push \"%s\" %s -source %s" pack key url

        tracefn "Pushing %s Attempts left: %d" (FullName packageFile) trialsLeft
        try
            DotNetCli.RunCommand
                (fun p ->
                    { p with
                        TimeOut = TimeSpan.FromMinutes 10. })
                (sprintf "nuget push %s --api-key %s --source %s" packageFile apiKey url)
        with exn ->
            if (trialsLeft > 0) then (publishPackage url apiKey (trialsLeft-1) packageFile)
            else raise exn
    let shouldPushNugetPackages = hasBuildParam "nugetkey"

    if (shouldPushNugetPackages) then
        printfn "Pushing nuget packages"
        if shouldPushNugetPackages then
            let normalPackages= !! (outputNuGet @@ "*.nupkg") |> Seq.sortBy(fun x -> x.ToLower())
            for package in normalPackages do
                try
                    publishPackage (getBuildParamOrDefault "nugetpublishurl" "https://api.nuget.org/v3/index.json") (getBuildParam "nugetkey") 3 package
                with exn ->
                    printfn "%s" exn.Message
)

//--------------------------------------------------------------------------------
// Serialization
//--------------------------------------------------------------------------------
Target "Protobuf" <| fun _ ->

    let protocPath =
        if isWindows then findToolInSubPath "protoc.exe" "tools/Google.Protobuf.Tools/tools/windows_x64"
        elif isMacOS then findToolInSubPath "protoc" "tools/Google.Protobuf.Tools/tools/macosx_x64"
        else findToolInSubPath "protoc" "tools/Google.Protobuf.Tools/tools/linux_x64"

    let protoFiles = [
        ("WireFormats.proto", "/src/core/Akka.Remote/Serialization/Proto/");
        ("ContainerFormats.proto", "/src/core/Akka.Remote/Serialization/Proto/");
        ("ContainerFormats.proto", "/src/core/Akka.Remote/Serialization/Proto/");
        ("SystemMessageFormats.proto", "/src/core/Akka.Remote/Serialization/Proto/");
        ("ClusterMessages.proto", "/src/core/Akka.Cluster/Serialization/Proto/");
        ("ClusterClientMessages.proto", "/src/contrib/cluster/Akka.Cluster.Tools/Client/Serialization/Proto/");
        ("DistributedPubSubMessages.proto", "/src/contrib/cluster/Akka.Cluster.Tools/PublishSubscribe/Serialization/Proto/");
        ("ClusterShardingMessages.proto", "/src/contrib/cluster/Akka.Cluster.Sharding/Serialization/Proto/");
        ("TestConductorProtocol.proto", "/src/core/Akka.Remote.TestKit/Proto/");
        ("Persistence.proto", "/src/core/Akka.Persistence/Serialization/Proto/");
        ("StreamRefMessages.proto", "/src/core/Akka.Streams/Serialization/Proto/");
        ("ReplicatorMessages.proto", "/src/contrib/cluster/Akka.DistributedData/Serialization/Proto/");
        ("ReplicatedDataMessages.proto", "/src/contrib/cluster/Akka.DistributedData/Serialization/Proto/"); ]

    printfn "Using proto.exe: %s" protocPath

    let runProtobuf assembly =
        let protoName, destinationPath = assembly
        let args = StringBuilder()
                |> append (sprintf "-I=%s" (__SOURCE_DIRECTORY__ @@ "/src/protobuf/") )
                |> append (sprintf "-I=%s" (__SOURCE_DIRECTORY__ @@ "/src/protobuf/common") )
                |> append (sprintf "--csharp_out=internal_access:%s" (__SOURCE_DIRECTORY__ @@ destinationPath))
                |> append "--csharp_opt=file_extension=.g.cs"
                |> append (__SOURCE_DIRECTORY__ @@ "/src/protobuf" @@ protoName)
                |> toText

        let result = ExecProcess(fun info ->
            info.FileName <- protocPath
            info.WorkingDirectory <- (Path.GetDirectoryName (FullName protocPath))
            info.Arguments <- args) (System.TimeSpan.FromMinutes 45.0) (* Reasonably long-running task. *)
        if result <> 0 then failwithf "protoc failed. %s %s" protocPath args

    protoFiles |> Seq.iter (runProtobuf)

//--------------------------------------------------------------------------------
// Documentation
//--------------------------------------------------------------------------------
Target "DocFx" (fun _ ->
    // build the projects with samples
    let docsTestsProject = "./src/core/Akka.Docs.Tests/Akka.Docs.Tests.csproj"
    DotNetCli.Restore (fun p -> { p with Project = docsTestsProject })
    DotNetCli.Build (fun p -> { p with Project = docsTestsProject; Configuration = configuration })
    let docsTutorialsProject = "./src/core/Akka.Docs.Tutorials/Akka.Docs.Tutorials.csproj"
    DotNetCli.Restore (fun p -> { p with Project = docsTutorialsProject })
    DotNetCli.Build (fun p -> { p with Project = docsTutorialsProject; Configuration = configuration })

    // install MSDN references
    NugetInstall (fun p ->
            { p with
                ExcludeVersion = true
                Version = "0.1.0-alpha-1611021200"
                OutputDirectory = currentDirectory @@ "tools" }) "msdn.4.5.2"

    let docsPath = FullName "./docs"
    let docFxPath = FullName(findToolInSubPath "docfx.exe" "tools/docfx.console/tools")
    
    let args = StringBuilder()
                |> append (docsPath @@ "docfx.json" )
                |> append ("--warningsAsErrors")
                |> toText
    
    let result = ExecProcess(fun info ->
            info.FileName <- docFxPath
            info.WorkingDirectory <- (Path.GetDirectoryName (FullName docFxPath))
            info.Arguments <- args) (System.TimeSpan.FromMinutes 45.0) (* Reasonably long-running task. *)
    if result <> 0 then failwithf "DocFX failed. %s %s" docFxPath args
)

FinalTarget "KillCreatedProcesses" (fun _ ->
    log "Shutting down dotnet build-server"
    let result = ExecProcess(fun info ->
            info.FileName <- "dotnet"
            info.WorkingDirectory <- __SOURCE_DIRECTORY__
            info.Arguments <- "build-server shutdown") (System.TimeSpan.FromMinutes 2.0)
    if result <> 0 then failwithf "dotnet build-server shutdown failed"
)

//--------------------------------------------------------------------------------
// Help
//--------------------------------------------------------------------------------

Target "Help" <| fun _ ->
    List.iter printfn [
      "usage:"
      "/build [target]"
      ""
      " Targets for building:"
      " * Build      Builds"
      " * Nuget      Create and optionally publish nugets packages"
      " * RunTests   Runs tests"
      " * All        Builds, run tests, creates and optionally publish nuget packages"
      ""
      " Other Targets"
      " * Help       Display this help"
      ""]

Target "HelpNuget" <| fun _ ->
    List.iter printfn [
      "usage: "
      "build Nuget [nugetkey=<key> [nugetpublishurl=<url>]] [symbolskey=<key> symbolspublishurl=<url>]"
      ""
      "In order to publish a nuget package, keys must be specified."
      "If a key is not specified the nuget packages will only be created on disk"
      "After a build you can find them in build/nuget"
      ""
      "For pushing nuget packages and symbols to nuget.org"
      "you need to specify nugetkey=<key>"
      "   build Nuget nugetKey=<key for nuget.org>"
      ""
      "For pushing the ordinary nuget packages to another place than nuget.org specify the url"
      "  nugetkey=<key>  nugetpublishurl=<url>  "
      ""
      "For pushing symbols packages specify:"
      "  symbolskey=<key>  symbolspublishurl=<url> "
      ""
      "Examples:"
      "  build Nuget                      Build nuget packages to the build/nuget folder"
      ""
      "  build Nuget versionsuffix=beta1  Build nuget packages with the custom version suffix"
      ""
      "  build Nuget nugetkey=123         Build and publish to nuget.org and symbolsource.org"
      ""
      "  build Nuget nugetprerelease=dev nugetkey=123 nugetpublishurl=http://abcsymbolspublishurl=http://xyz"
      ""]

//--------------------------------------------------------------------------------
//  Target dependencies
//--------------------------------------------------------------------------------

Target "BuildRelease" DoNothing
Target "All" DoNothing
Target "Nuget" DoNothing
Target "RunTestsFull" DoNothing
Target "RunTestsNetCoreFull" DoNothing

// build dependencies
"Clean" ==> "AssemblyInfo" ==> "Build"
"Build" ==> "BuildRelease"
"ComputeIncrementalChanges" ==> "Build" // compute incremental changes

// tests dependencies
"Build" ==> "RunTests"
"Build" ==> "RunTestsNetCore"
"Build" ==> "RunTestsNet"
"Build" ==> "NBench"

"BuildRelease" ==> "MultiNodeTestsNetCore"
"BuildRelease" ==> "MultiNodeTestsNet"

// nuget dependencies
"BuildRelease" ==> "CreateNuget" ==> "PublishNuget" ==> "Nuget"

// docs
"BuildRelease" ==> "Docfx"

// all
"BuildRelease" ==> "All"
"RunTests" ==> "All"
"RunTestsNetCore" ==> "All"
"RunTestsNet" ==> "All"
"MultiNodeTestsNetCore" ==> "All"
"MultiNodeTestsNet" ==> "All"
"NBench" ==> "All"

RunTargetOrDefault "Help"