Replace ASP.NET Core version-fix patch with source-mutation (#2005)

See: #1644

Author: omajid

.github/ISSUE_TEMPLATE/releases/release_checklist.md

@@ -37,6 +37,7 @@
       - [3.1 / 5.0]
         - [ ] Verify that the `PrivateSourceBuiltArtifactsPackageVersion` in `eng/Versions.props` matches N-1 release artifacts.
         - [ ] Update the `global.json` SDK version to N-1: the latest released "3.1.XYY" SDK version, where "3.1.X" matches the SDK we're building.
+        - [ ] Update the `eng/Versions.props` with the latest product versions.
 1.  - [ ] [2.1] Fetch internal git data for submodules.
       1.  Run `git submodule update --init --recursive` and see errors due to missing commits.
       1.  Run `fetch-vsts-commits.sh` with a PAT to automatically fetch internal refs.

eng/Versions.props

@@ -1,5 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!-- SDK/Runtime Version Information -->
+  <PropertyGroup>
+    <MajorVersion>5</MajorVersion>
+    <MinorVersion>0</MinorVersion>
+    <RuntimePatchVersion>2</RuntimePatchVersion>
+    <SdkPatchVersion>102</SdkPatchVersion>
+    <RuntimeProductVersion>$(MajorVersion).$(MinorVersion).$(RuntimePatchVersion)</RuntimeProductVersion>
+    <AspNetCoreProductVersion>$(MajorVersion).$(MinorVersion).$(RuntimePatchVersion)</AspNetCoreProductVersion>
+    <SdkProductVersion>$(MajorVersion).$(MinorVersion).$(SdkPatchVersion)</SdkProductVersion>
+  </PropertyGroup>
+
   <!-- Repo Version Information -->
   <PropertyGroup>
     <VersionPrefix>0.1.0</VersionPrefix>

patches/aspnetcore/0016-Fix-version-number.patch

@@ -65,6 +65,27 @@
     <EnvironmentVariables Include="DotNetPackageVersionPropsPath=$(PackageVersionPropsPath)" />
   </ItemGroup>
 
+  <UsingTask AssemblyFile="$(XPlatSourceBuildTasksAssembly)" TaskName="ReplaceRegexInFiles" />
+
+  <Target Name="FixAspNetCoreVersion"
+          AfterTargets="ApplyPatches">
+
+    <ItemGroup>
+      <MinifiedJavascriptFile Include="$(ProjectDirectory)**\blazor.server.js" />
+    </ItemGroup>
+
+    <!--
+        Patch the version embedded in minified js files. Because they are
+        minified files, git patch doesn't work too well and produces unreadable
+        binary patches.
+    -->
+    <ReplaceRegexInFiles
+      InputFiles="@(MinifiedJavascriptFile)"
+      OldTextRegex=",l=&quot;5\.0\.\d+&quot;}]\);"
+      NewText=",l=&quot;$(AspNetCoreProductVersion)&quot;}]);" />
+
+  </Target>
+
   <Target Name="SetOutputList" AfterTargets="Package" BeforeTargets="GatherBuiltPackages">
     <ItemGroup>
       <PackagesOutputList Include="$(ShippingPackagesOutput)" />

repos/aspnetcore.proj

@@ -0,0 +1,39 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.IO;
+using System.Text.RegularExpressions;
+using Microsoft.Build.Framework;
+using Microsoft.Build.Utilities;
+
+namespace Microsoft.DotNet.Build.Tasks
+{
+    public class ReplaceRegexInFiles : Task
+    {
+        [Required]
+        public string[] InputFiles { get; set; }
+
+        [Required]
+        public string OldTextRegex { get; set; }
+
+        [Required]
+        public string NewText { get; set; }
+
+        public override bool Execute()
+        {
+            Log.LogMessage($"Replacing '{OldTextRegex}' with '{NewText}'");
+            foreach (string file in InputFiles)
+            {
+                string fileContents = File.ReadAllText(file);
+
+                fileContents = Regex.Replace(fileContents, OldTextRegex, NewText);
+
+                File.WriteAllText(file, fileContents);
+            }
+
+            return true;
+        }
+    }
+}