TeamCity: added commit status publisher and PR integration.

Author: gfraiteur

src/PostSharp.Engineering.BuildTools/ContinuousIntegration/TeamCity/BuildSteps/BuildStep.cs

@@ -24,7 +24,7 @@ protected BuildStep( DockerSpec? dockerSpec )
     protected void AddParameter( BuildConfigurationParameter parameter ) => this._parameters.Add( parameter );
 
     public abstract string GenerateTeamCityCode();
-
+    
     public virtual void InsertPrerequisites( IReadOnlyList<BuildStep> previousSteps, Action<BuildStep> addStep )
     {
         if ( this._dockerSpec != null )

src/PostSharp.Engineering.BuildTools/ContinuousIntegration/TeamCity/Generation/TeamCitySettingsFile.cs

@@ -368,7 +368,8 @@ private static TeamCityBuildConfiguration CreateBuildConfiguration(
             BuildTriggers = configurationProperties.BuildConfigurationInfo.BuildTriggers,
             SnapshotDependencies = configurationProperties.SnapshotDependenciesForBuildConfiguration,
             SourceDependencies = product.BuildRequiresSourceDependencies ? productProperties.SourceDependencies : [],
-            IsSshAgentRequired = requiresUpstreamCheck && productProperties.IsRepoRemoteSsh
+            IsSshAgentRequired = requiresUpstreamCheck && productProperties.IsRepoRemoteSsh,
+            RequiresCommitStatusPublisher = true
         };
 
         return teamCityBuildConfiguration;

src/PostSharp.Engineering.BuildTools/ContinuousIntegration/TeamCity/TeamCityBuildConfiguration.cs

@@ -46,6 +46,8 @@ internal class TeamCityBuildConfiguration
 
         public BuildConfigurationParameter[]? Parameters { get; init; }
 
+        public bool RequiresCommitStatusPublisher { get; init; }
+
         public TeamCityBuildConfiguration(
             string objectName,
             string name,
@@ -193,7 +195,7 @@ void AddBuildStep( BuildStep newStep )
 
             var requiresSwabra = allBuildSteps.Count > 0;
             var requiresSshAgent = this.IsSshAgentRequired;
-            var requiresAnyFeatures = requiresSwabra || requiresSshAgent;
+            var requiresAnyFeatures = requiresSwabra || requiresSshAgent || this.RequiresCommitStatusPublisher ;
 
             // Features.
             if ( requiresAnyFeatures )
@@ -211,6 +213,39 @@ void AddBuildStep( BuildStep newStep )
         }}" );
                 }
 
+                if ( this.RequiresCommitStatusPublisher )
+                {
+                    // Report status to GitHub.
+                    writer.WriteLine(
+                        $$"""
+                              commitStatusPublisher {
+                                  vcsRootExtId = "{{this.VcsId}}"
+                                  publisher = github {
+                                      githubUrl = "https://api.github.com"
+                                      authType = personalToken {
+                                          token = "%env.{{EnvironmentVariableNames.GitHubToken}}%"
+                                      }
+                                  }
+                              }
+                          """ );
+                    
+                    // Integrate with PRs.
+                    writer.WriteLine($$"""
+                                       pullRequests {
+                                              vcsRootExtId = "{{this.VcsId}}"
+                                               provider = github {
+                                                   authType = token {
+                                                       token = "%env.{{EnvironmentVariableNames.GitHubToken}}%"
+                                                   }
+                                                  filterTargetBranch = "+:refs/heads/{{this.DefaultBranch}}"
+                                                  filterAuthorRole = PullRequests.GitHubRoleFilter.EVERYBODY
+                                              }
+                                          }
+                                       
+                                       
+                                       """);
+                }
+
                 if ( requiresSshAgent )
                 {
                     writer.WriteLine(

src/PostSharp.Engineering.BuildTools/ContinuousIntegration/TeamCity/TeamCityProject.cs

@@ -37,11 +37,8 @@ public void GenerateTeamcityCode( TextWriter writer )
             writer.WriteLine(
                 @"// This file is automatically generated by `Build.ps1 generate-scripts`.
 
-// Both Swabra and swabra need to be imported
 import jetbrains.buildServer.configs.kotlin.*
-import jetbrains.buildServer.configs.kotlin.buildFeatures.sshAgent
-import jetbrains.buildServer.configs.kotlin.buildFeatures.Swabra
-import jetbrains.buildServer.configs.kotlin.buildFeatures.swabra
+import jetbrains.buildServer.configs.kotlin.buildFeatures.*
 import jetbrains.buildServer.configs.kotlin.buildSteps.powerShell
 import jetbrains.buildServer.configs.kotlin.failureConditions.*
 import jetbrains.buildServer.configs.kotlin.triggers.*