Merge pull request #1319 from trondd/master

Add GitVersionHelper (take 2)

src/app/FakeLib/FakeLib.fsproj

@@ -187,6 +187,7 @@
     <Compile Include="SonarQubeHelper.fs" />
     <Compile Include="AzureKudu.fs" />
     <Compile Include="DocFxHelper.fs" />
+    <Compile Include="GitVersionHelper.fs" />
   </ItemGroup>
   <ItemGroup>
     <Reference Include="ICSharpCode.SharpZipLib">
@@ -506,4 +507,4 @@
       </ItemGroup>
     </When>
   </Choose>
-</Project>
+</Project>

src/app/FakeLib/GitVersionHelper.fs

@@ -0,0 +1,63 @@
+/// Containts helper function for GitVersion - a tool to help you achieve Semantic Versioning on your project.
+///
+/// To install GitVersion.exe on Windows, start PowerShell as Administrator and run choco install gitversion.portable -s https://chocolatey.org/api/v2"
+/// For Mac and Unix, install the NuGet version.
+
+module Fake.GitVersionHelper
+
+open FSharp.Data
+open Newtonsoft.Json
+open System
+
+type GitversionParams = {
+    ToolPath : string
+}
+
+let GitversionDefaults = {
+    ToolPath = findToolInSubPath "GitVersion.exe" (environVarOrDefault "ChocolateyInstall" currentDirectory)
+}
+
+type GitVersionProperties = {
+                                Major : int;
+                                Minor : int;
+                                Patch : int;
+                                PreReleaseTag : string;
+                                PreReleaseTagWithDash : string;
+                                PreReleaseLabel : string;
+                                PreReleaseNumber : int;
+                                BuildMetaData : string;
+                                BuildMetaDataPadded : string;
+                                FullBuildMetaData : string;
+                                MajorMinorPatch : string;
+                                SemVer : string;
+                                LegacySemVer : string;
+                                LegacySemVerPadded : string;
+                                AssemblySemVer : string;
+                                FullSemVer : string;
+                                InformationalVersion : string;
+                                BranchName : string;
+                                Sha : string;
+                                NuGetVersionV2 : string;
+                                NuGetVersion : string;
+                                CommitsSinceVersionSource : int;
+                                CommitsSinceVersionSourcePadded : string;
+                                CommitDate : string;
+                            }
+
+/// Runs [GitVersion](https://gitversion.readthedocs.io/en/latest/) on a .NET project file.
+/// ## Parameters
+///
+///  - `setParams` - Function used to manipulate the GitversionDefaults value.
+///
+/// ## Sample
+///
+///      GitVersion id // Use Defaults
+///      GitVersion (fun p -> { p with ToolPath = currentDirectory @@ "tools" }
+let GitVersion (setParams : GitversionParams -> GitversionParams) =
+    let parameters = GitversionDefaults |> setParams
+    let timespan =  TimeSpan.FromMinutes 1.
+
+    let result = ExecProcessAndReturnMessages (fun info ->
+        info.FileName <- parameters.ToolPath) timespan
+    if result.ExitCode <> 0 then failwithf "GitVersion.exe failed with exit code %i" result.ExitCode
+    result.Messages |> String.concat "" |> fun j -> JsonConvert.DeserializeObject<GitVersionProperties>(j)