TFVCのラベル名をファイルのバージョンに埋め込んで、Nugetリリースまでする(Build)

Build.yaml

pool:
  name: Azure Pipelines
steps:
- bash: 'env | sort'
  displayName: 'Bash Script'

- powershell: |
   $Src = @'
   using System;
   using System.IO;
   using System.Text.RegularExpressions;
   
   public static class ReleaseHelper
   {
       public static string GetNugetVersion(string buildSourceVersion)
       {
           var temp = buildSourceVersion.Substring(1).Split('.');
           var nugetVersion = string.Join(".", temp[0], temp[1], temp[3]);
           return nugetVersion;
       }
   
       public static string GetVersionEmbeddedCsProj(string csproj, string build_sourceversion)
       {
           var ret = csproj;
   
           var jst = TimeZoneInfo.FindSystemTimeZoneById("Tokyo Standard Time");
           var now_jst = TimeZoneInfo.ConvertTime(DateTime.Now, jst);
           var today_jst = TimeZoneInfo.ConvertTime(DateTime.Today, jst);
           var v1 = 1;
           var v2 = 0;
           var v3 = (today_jst - new DateTime(2000, 1, 1)).Days;
           var v4 = (int)(now_jst - today_jst).TotalSeconds / 2;
   
           var patchVersion = build_sourceversion.Substring(1);
           var fileVersion = string.Join(".", v1, v2, v3, v4);
           var productVersion = "1.0.0+" + patchVersion;
   
           var regPropertyGroup = Regex.Match(csproj, "<PropertyGroup>(?<PropertyGroupValue>.*)</PropertyGroup>", RegexOptions.Singleline);
   
           var newPropertyGroup = regPropertyGroup.Value;
   
           Func<string, string, string, string> vFunc = (string content, string tagName, string value) =>
           {
               var newContent = content;
               var reg = Regex.Match(newContent, "<" + tagName + ">.*</" + tagName + ">");
               if (reg.Success)
               {
                   newContent = newContent.Replace(reg.Value, "<" + tagName + ">" + value + "</" + tagName + ">");
               }
               else
               {
                   var pgv = regPropertyGroup.Groups["PropertyGroupValue"].Value;
                   var newpgv = pgv + "  " + "<" + tagName + ">" + value + "</" + tagName + ">" + Environment.NewLine + "  ";
                   newContent = newContent.Replace(pgv, newpgv);
               }
               return newContent;
           };
   
           newPropertyGroup = vFunc(newPropertyGroup, "Version", productVersion);
           newPropertyGroup = vFunc(newPropertyGroup, "FileVersion", fileVersion);
   
           ret = ret.Replace(regPropertyGroup.Value, newPropertyGroup);
   
           return ret;
       }
   }
   '@
   Add-Type -TypeDefinition $Src -Language CSharp
   
   $NugetVersion = [ReleaseHelper]::GetNugetVersion($env:BUILD_SOURCEVERSION)
   $csprojs = Get-ChildItem -Recurse -Force -Name -Include *.csproj -Path $PWD
   
   foreach($CsProjPath in $csprojs)
   {
     $CsProjContent = Get-Content $CsProjPath -raw
     $CsProjContent = [ReleaseHelper]::GetVersionEmbeddedCsProj($CsProjContent,$env:BUILD_SOURCEVERSION)
   
     echo "##vso[task.setvariable variable=PackageVersion]$NugetVersion"
     $CsProjContent | Out-File $CsProjPath
   }
   
  displayName: 'PowerShell Script'

- task: DotNetCoreCLI@2
  displayName: 'dotnet build'
  inputs:
    projects: '**/*.csproj'

- task: DotNetCoreCLI@2
  displayName: 'dotnet pack'
  inputs:
    command: pack

- task: PublishBuildArtifacts@1
  displayName: 'Publish Artifact: drop'