From 5401ee26228e8e15490a45cb6132df27f5865a28 Mon Sep 17 00:00:00 2001
From: Matthias Koch <ithrowexceptions@gmail.com>
Date: Thu, 5 Dec 2024 00:23:26 +0100
Subject: [PATCH] chore: comment on resolved issues

---
 build/Build.GitFlow.cs                         |  4 ++--
 build/Build.cs                                 |  9 ++++++++-
 source/Nuke.Common/Tools/GitHub/GitHubTasks.cs | 10 ++++++++++
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/build/Build.GitFlow.cs b/build/Build.GitFlow.cs
index c87df305a..2e7602d27 100644
--- a/build/Build.GitFlow.cs
+++ b/build/Build.GitFlow.cs
@@ -23,14 +23,14 @@ partial class Build
     [Parameter] readonly bool Major;
 
     string MajorMinorPatchVersion => Major ? $"{GitVersion.Major + 1}.0.0" : GitVersion.MajorMinorPatch;
+    string MilestoneTitle => $"v{MajorMinorPatchVersion}";
 
     Target Milestone => _ => _
         .Unlisted()
         .OnlyWhenStatic(() => GitRepository.IsOnReleaseBranch() || GitRepository.IsOnHotfixBranch())
         .Executes(async () =>
         {
-            var milestoneTitle = $"v{MajorMinorPatchVersion}";
-            var milestone = await GitRepository.GetGitHubMilestone(milestoneTitle);
+            var milestone = await GitRepository.GetGitHubMilestone(MilestoneTitle);
             if (milestone == null)
                 return;
 
diff --git a/build/Build.cs b/build/Build.cs
index 62a5be0f7..47a28bda4 100644
--- a/build/Build.cs
+++ b/build/Build.cs
@@ -18,6 +18,7 @@
 using Nuke.Common.ProjectModel;
 using Nuke.Common.Tooling;
 using Nuke.Common.Tools.DotNet;
+using Nuke.Common.Tools.GitHub;
 using Nuke.Common.Tools.GitVersion;
 using Nuke.Common.Utilities;
 using Nuke.Components;
@@ -178,7 +179,13 @@ void DeletePackage(string id, string version)
         .Inherit<ICreateGitHubRelease>()
         .TriggeredBy<IPublish>()
         .ProceedAfterFailure()
-        .OnlyWhenStatic(() => GitRepository.IsOnMasterBranch());
+        .OnlyWhenStatic(() => GitRepository.IsOnMasterBranch())
+        .Executes(async () =>
+        {
+            var issues = await GitRepository.GetGitHubMilestoneIssues(MilestoneTitle);
+            foreach (var issue in issues)
+                await GitHubActions.Instance.CreateComment(issue.Number, $"Released in {MilestoneTitle}! 🎉");
+        });
 
     Target Install => _ => _
         .DependsOn<IPack>()
diff --git a/source/Nuke.Common/Tools/GitHub/GitHubTasks.cs b/source/Nuke.Common/Tools/GitHub/GitHubTasks.cs
index 52eb97d2e..27bdf4bd8 100644
--- a/source/Nuke.Common/Tools/GitHub/GitHubTasks.cs
+++ b/source/Nuke.Common/Tools/GitHub/GitHubTasks.cs
@@ -84,6 +84,16 @@ public static async Task<Milestone> GetGitHubMilestone(this GitRepository reposi
         return milestones.FirstOrDefault(x => x.Title == name);
     }
 
+    public static async Task<IReadOnlyList<Issue>> GetGitHubMilestoneIssues(this GitRepository repository, string name)
+    {
+        Assert.True(repository.IsGitHubRepository());
+        var milestone = await repository.GetGitHubMilestone(name).NotNull();
+        return await GitHubClient.Issue.GetAllForRepository(
+            repository.GetGitHubOwner(),
+            repository.GetGitHubName(),
+            new RepositoryIssueRequest { State = ItemStateFilter.All, Milestone = milestone.Number.ToString() });
+    }
+
     public static async Task TryCreateGitHubMilestone(this GitRepository repository, string title)
     {
         try