From 479057fdcc6faab8abb4612fe8a0e5efdaa86285 Mon Sep 17 00:00:00 2001
From: jvyden <jvyden@jvyden.xyz>
Date: Fri, 19 Nov 2021 00:18:21 -0500
Subject: [PATCH] Add ability for git version/branch to be embedded in builds
 of lighthouse

---
 .gitignore                                    |  4 +-
 ProjectLighthouse/Helpers/GitVersionHelper.cs | 39 +++++++++++++++++++
 ProjectLighthouse/Program.cs                  |  2 +
 ProjectLighthouse/ProjectLighthouse.csproj    | 14 ++++++-
 4 files changed, 57 insertions(+), 2 deletions(-)
 create mode 100644 ProjectLighthouse/Helpers/GitVersionHelper.cs

diff --git a/.gitignore b/.gitignore
index 585487d8..d03fbb3d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,4 +12,6 @@ riderModule.iml
 /ProjectLighthouse/logs/*
 /ProjectLighthouse/ProjectLighthouse.csproj.user
 .vs/
-lighthouse.config.json
\ No newline at end of file
+lighthouse.config.json
+gitBranch.txt
+gitVersion.txt
\ No newline at end of file
diff --git a/ProjectLighthouse/Helpers/GitVersionHelper.cs b/ProjectLighthouse/Helpers/GitVersionHelper.cs
new file mode 100644
index 00000000..ecfe9d78
--- /dev/null
+++ b/ProjectLighthouse/Helpers/GitVersionHelper.cs
@@ -0,0 +1,39 @@
+using System;
+using System.IO;
+using Kettu;
+using LBPUnion.ProjectLighthouse.Logging;
+
+namespace LBPUnion.ProjectLighthouse.Helpers
+{
+    public static class GitVersionHelper
+    {
+        static GitVersionHelper()
+        {
+            try
+            {
+                CommitHash = readManifestFile("gitVersion.txt");
+                Branch = readManifestFile("gitBranch.txt");
+                CanCheckForUpdates = true;
+            }
+            catch
+            {
+                Logger.Log("Project Lighthouse was built incorrectly. Please make sure git is available when building.", LoggerLevelStartup.Instance);
+                CommitHash = "invalid";
+                Branch = "invalid";
+                CanCheckForUpdates = false;
+            }
+        }
+
+        private static string readManifestFile(string fileName)
+        {
+            using Stream stream = typeof(Program).Assembly.GetManifestResourceStream($"{typeof(Program).Namespace}.{fileName}");
+            using StreamReader reader = new(stream ?? throw new Exception("The assembly or manifest resource is null."));
+
+            return reader.ReadToEnd().Trim();
+        }
+
+        public static string CommitHash { get; set; }
+        public static string Branch { get; set; }
+        public static bool CanCheckForUpdates { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/ProjectLighthouse/Program.cs b/ProjectLighthouse/Program.cs
index 8c2c4e6d..030f20d2 100644
--- a/ProjectLighthouse/Program.cs
+++ b/ProjectLighthouse/Program.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Diagnostics;
 using Kettu;
+using LBPUnion.ProjectLighthouse.Helpers;
 using LBPUnion.ProjectLighthouse.Logging;
 using LBPUnion.ProjectLighthouse.Types.Settings;
 using Microsoft.AspNetCore.Hosting;
@@ -28,6 +29,7 @@ namespace LBPUnion.ProjectLighthouse
             Logger.AddLogger(new LighthouseFileLogger());
 
             Logger.Log("Welcome to Project Lighthouse!", LoggerLevelStartup.Instance);
+            Logger.Log($"Running {ServerStatics.ServerName} {GitVersionHelper.CommitHash}@{GitVersionHelper.Branch}", LoggerLevelStartup.Instance);
 
             // This loads the config, see ServerSettings.cs for more information
             Logger.Log("Loaded config file version " + ServerSettings.Instance.ConfigVersion, LoggerLevelStartup.Instance);
diff --git a/ProjectLighthouse/ProjectLighthouse.csproj b/ProjectLighthouse/ProjectLighthouse.csproj
index 51f3117d..082c9930 100644
--- a/ProjectLighthouse/ProjectLighthouse.csproj
+++ b/ProjectLighthouse/ProjectLighthouse.csproj
@@ -21,7 +21,19 @@
     </ItemGroup>
 
     <ItemGroup>
-        <Compile Remove="Types\SlotXsd.cs"/>
+        <None Remove="gitVersion.txt"/>
+        <EmbeddedResource Include="gitVersion.txt">
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+        </EmbeddedResource>
+        <None Remove="gitBranch.txt"/>
+        <EmbeddedResource Include="gitBranch.txt">
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+        </EmbeddedResource>
     </ItemGroup>
 
+    <Target Name="PreBuild" BeforeTargets="PreBuildEvent">
+        <Exec Command="git describe --long --always --dirty --exclude=\* --abbrev=8 &gt; &quot;$(ProjectDir)/gitVersion.txt&quot;"/>
+        <Exec Command="git branch --show-current &gt; &quot;$(ProjectDir)/gitBranch.txt&quot;"/>
+    </Target>
+
 </Project>