Merge pull request #3 from ArgusMagnus/check-for-updates

Check for updates

Author: ArgusMagnus

.github/workflows/main.yml

@@ -19,7 +19,7 @@ jobs:
   publish:
 
     runs-on: windows-latest
-    if: contains(github.ref, 'tags/v') # works only version tagged
+    if: startsWith(github.ref, 'refs/tags/v') # works only version tagged
     needs: [build]
 
     steps:
@@ -40,8 +40,11 @@ jobs:
           prerelease: false
       - name: Build
         run: |
-          dotnet publish -c Release -r win-x86 -o ./publish/x86
-          dotnet publish -c Release -r win-x64 -o ./publish/x64
+          $version = "${{ github.ref }}"
+          $version = $version.Substring(10)
+          echo "::set-env name=RELEASE_TAG::$version"
+          dotnet publish -c Release -r win-x86 -o ./publish/x86 -p:ReleaseTag=$version
+          dotnet publish -c Release -r win-x64 -o ./publish/x64 -p:ReleaseTag=$version
           Compress-Archive -Path ./publish/* -DestinationPath ./publish/win.zip -CompressionLevel Optimal
       - name: Upload Release Asset
         id: upload-release-asset 
@@ -51,5 +54,5 @@ jobs:
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
           asset_path: ./publish/win.zip
-          asset_name: ${{ github.ref }}-win.zip
+          asset_name: CSharpScriptRunner-${{ env.RELEASE_TAG }}-win.zip
           asset_content_type: application/zip

CSharpScriptRunner.csproj

@@ -5,6 +5,7 @@
     <TargetFramework>netcoreapp3.1</TargetFramework>
     <UseWPF>true</UseWPF>
     <UseWindowsForms>true</UseWindowsForms>
+    <ReleaseTag>dev</ReleaseTag>
   </PropertyGroup>
 
   <ItemGroup>
@@ -33,6 +34,7 @@ namespace CSharpScriptRunner
   {
     public const string RuntimeIdentifier = "$(RuntimeIdentifier)"%3B
     public const string Configuration = "$(Configuration)"%3B
+    public const string ReleaseTag = "$(ReleaseTag)"%3B
   }
 }
       </MyTextLines> 
@@ -45,6 +47,7 @@ namespace CSharpScriptRunner
   {
     public const string RuntimeIdentifier = "win-x64"%3B
     public const string Configuration = "$(Configuration)"%3B
+    public const string ReleaseTag = "$(ReleaseTag)"%3B
   }
 }
       </MyTextLines> 

Program.cs

@@ -34,6 +34,8 @@ static class Program
         [STAThread]
         static void Main(string[] args)
         {
+            Console.WriteLine($"{nameof(CSharpScriptRunner)}, {BuildInfo.ReleaseTag}");
+
             if (args == null || args.Length == 0)
                 return;
 
@@ -169,7 +171,7 @@ static bool TryBuild(string scriptFile, string assemblyFile, string hashFile, st
         {
             config = null;
             var lines = File.ReadAllLines(scriptFile);
-            Console.WriteLine($"Compiling script {scriptFile}...");
+            Console.WriteLine($"Compiling script '{scriptFile}'...");
             var options = ScriptOptions.Default
                 .WithEmitDebugInformation(true)
                 .WithFilePath(scriptFile)
@@ -256,6 +258,11 @@ static void RunScript(string[] args)
 
             if (!TryGetCache(assemblyFile, hashFile, configFile, scriptHash, out var config))
             {
+                // Check for new release only when compiling
+                var newRelease = Updates.CheckForNewRelease().Result;
+                if (newRelease != default)
+                    Console.WriteLine($"A new release of {nameof(CSharpScriptRunner)} ({newRelease.Version}) is available at {newRelease.Url}");
+
                 if (!TryBuild(scriptPath, assemblyFile, hashFile, configFile, scriptHash, buildReferences, out config))
                     return;
             }

Updates.cs

@@ -0,0 +1,50 @@
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Threading.Tasks;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.Collections.Generic;
+using System;
+
+namespace CSharpScriptRunner
+{
+    sealed class ReleaseInfo
+    {
+        [JsonPropertyName("tag_name")]
+        public string Version { get; set; }
+
+        [JsonPropertyName("html_url")]
+        public string Url { get; set; }
+    }
+
+    static class Updates
+    {
+        public static async Task<ReleaseInfo> CheckForNewRelease()
+        {
+            const string RequestUri = "https://api.github.com/repos/ArgusMagnus/CSharpScriptRunner/releases/latest";
+
+            if (!BuildInfo.ReleaseTag.StartsWith('v') || !Version.TryParse(BuildInfo.ReleaseTag.Substring(1), out var version))
+                return default;
+
+            using (var httpClient = new HttpClient())
+            {
+                httpClient.DefaultRequestHeaders.Accept.Clear();
+                httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+                httpClient.DefaultRequestHeaders.Add("User-Agent", "CSharpScriptRunner");
+                HttpResponseMessage response;
+                try { response = await httpClient.GetAsync(RequestUri); }
+                catch { return default; }
+                if (!response.IsSuccessStatusCode)
+                    return default;
+
+                var release = JsonSerializer.Deserialize<ReleaseInfo>(await response.Content.ReadAsByteArrayAsync());
+                if (string.IsNullOrEmpty(release.Version) || string.IsNullOrEmpty(release.Url) || !release.Version.StartsWith('v') || !Version.TryParse(release.Version.Substring(1), out var releaseVersion))
+                    return default;
+
+                if (version < releaseVersion)
+                    return release;
+            }
+            return default;
+        }
+    }
+}

publish.ps1

@@ -1,2 +1,2 @@
-dotnet publish -c Release -r win-x86 -o publish\x86
-dotnet publish -c Release -r win-x64 -o publish\x64
+dotnet publish -c Release -r win-x86 -o publish\x86 -p:ReleaseTag=dev
+dotnet publish -c Release -r win-x64 -o publish\x64 -p:ReleaseTag=dev