Enhance dotnet-roslyn prfinder to support AzDO repos.

RoslynTools.sln

@@ -64,8 +64,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "roslyn.optprof.runsettings.
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GitHubCreateMergePRs", "src\GitHubCreateMergePRs\GitHubCreateMergePRs.csproj", "{491D6953-5267-463F-9796-E9906B2FE516}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PRFinder", "src\RoslynInsertionTool\PRFinder\PRFinder.csproj", "{15BE78E3-355F-4B15-ABB4-FA750B2D846B}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CreateTagsForVSRelease", "src\CreateTagsForVSRelease\CreateTagsForVSRelease.csproj", "{08AAEF36-C81B-4BAE-8172-EA0D3139B0BE}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NugetDependencyFinder", "src\NugetDependencyFinder\NugetDependencyFinder.csproj", "{7A6963D6-1F40-4CC6-9941-7F912252F877}"
@@ -336,18 +334,6 @@ Global
 		{491D6953-5267-463F-9796-E9906B2FE516}.Release|x64.Build.0 = Release|Any CPU
 		{491D6953-5267-463F-9796-E9906B2FE516}.Release|x86.ActiveCfg = Release|Any CPU
 		{491D6953-5267-463F-9796-E9906B2FE516}.Release|x86.Build.0 = Release|Any CPU
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B}.Debug|x64.ActiveCfg = Debug|Any CPU
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B}.Debug|x64.Build.0 = Debug|Any CPU
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B}.Debug|x86.Build.0 = Debug|Any CPU
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B}.Release|Any CPU.Build.0 = Release|Any CPU
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B}.Release|x64.ActiveCfg = Release|Any CPU
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B}.Release|x64.Build.0 = Release|Any CPU
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B}.Release|x86.ActiveCfg = Release|Any CPU
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B}.Release|x86.Build.0 = Release|Any CPU
 		{08AAEF36-C81B-4BAE-8172-EA0D3139B0BE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{08AAEF36-C81B-4BAE-8172-EA0D3139B0BE}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{08AAEF36-C81B-4BAE-8172-EA0D3139B0BE}.Debug|x64.ActiveCfg = Debug|Any CPU
@@ -409,7 +395,6 @@ Global
 		{01128CF6-4519-436E-B21F-F691DC6A9832} = {821F3F43-E221-4507-95BD-64843868AC11}
 		{CCE71F35-DCD5-4008-9DC5-677431E87494} = {821F3F43-E221-4507-95BD-64843868AC11}
 		{44B80D37-F395-40CF-8BB6-9AAEB5606672} = {821F3F43-E221-4507-95BD-64843868AC11}
-		{15BE78E3-355F-4B15-ABB4-FA750B2D846B} = {54B3835F-17DD-4749-B40D-1533BD81D36C}
 		{7A6963D6-1F40-4CC6-9941-7F912252F877} = {732A897A-76AE-41E3-A7E4-55F16C1D56EB}
 		{1D14C80C-B4C3-42C1-BA4C-8A81427CA44D} = {C68033E0-FB8F-4327-BFB5-B340A5A7778F}
 	EndGlobalSection

src/dotnet-roslyn/Commands/CreateReleaseTagsCommand.cs

@@ -16,7 +16,7 @@ internal class CreateReleaseTagsCommand
 
     public static Symbol GetCommand()
     {
-        var command = new Command("create-release-tags", "Generates tags for VS releases in the Roslyn repo.")
+        var command = new Command("create-release-tags", "Generates git tags for VS releases in the Roslyn repo.")
         {
             VerbosityOption
         };

src/dotnet-roslyn/Commands/PRFinderCommand.cs

@@ -30,14 +30,14 @@ public static Symbol GetCommand()
 
     private class PrFinderCommandDefaultHandler : ICommandHandler
     {
-        public async Task<int> InvokeAsync(InvocationContext context)
+        public Task<int> InvokeAsync(InvocationContext context)
         {
             var logger = context.SetupLogging();
 
             var previousCommit = context.ParseResult.GetValueForOption(PreviousCommitShaOption)!;
             var currentCommit = context.ParseResult.GetValueForOption(CurrentCommitSHAOption)!;
 
-            return await PRFinder.PRFinder.FindPRsAsync(previousCommit, currentCommit, logger);
+            return Task.FromResult(PRFinder.PRFinder.FindPRs(previousCommit, currentCommit, logger));
         }
     }
 }

src/dotnet-roslyn/Commands/RootRoslynCommand.cs

@@ -19,6 +19,7 @@ public static RootCommand GetRootCommand()
             VSBranchInfoCommand.GetCommand(),
         };
         command.Name = "roslyn";
+        command.Description = "The command line tool for performing Roslyn infrastructure tasks.";
         return command;
     }
 }

src/dotnet-roslyn/CreateReleaseTags/CreateReleaseTags.cs

@@ -6,6 +6,7 @@
 using Azure.Security.KeyVault.Secrets;
 using LibGit2Sharp;
 using Microsoft.Extensions.Logging;
+using Microsoft.Roslyn.Utilities;
 using Microsoft.TeamFoundation.SourceControl.WebApi;
 using Newtonsoft.Json.Linq;
 using System.Collections.Immutable;
@@ -148,7 +149,7 @@ public static async Task<int> CreateReleaseTagsAsync(ILogger logger)
         {
             return default;
         }
-        
+
         var parts = languageServicesUrlAndManifestName.Split(';');
         if (parts.Length != 2)
         {

src/dotnet-roslyn/PRFinder/Hosts/Azure.cs

@@ -0,0 +1,70 @@
+// 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.txt file in the project root for more information.
+
+using System.Text.RegularExpressions;
+using LibGit2Sharp;
+
+namespace Microsoft.Roslyn.Tool.PRFinder.Hosts;
+
+public class Azure : IRepositoryHost
+{
+    private static readonly Regex IsAzDOReleaseFlowCommit = new Regex(@"^Merged PR \d+: Merging .* to ");
+    private static readonly Regex IsAzDOMergePRCommit = new Regex(@"^Merged PR (\d+):");
+
+    public string GetCommitUrl(string repoUrl, string commitSha)
+        => $"{repoUrl}/commit/{commitSha}";
+
+    public string GetDiffUrl(string repoUrl, string previousSha, string currentSha)
+        // AzDO does not have a UI for comparing two commits. Instead generate the REST API call to retrieve commits between two SHAs.
+        => $"{repoUrl.Replace("_git", "_apis/git/repositories")}/commits?searchCriteria.itemVersion.version={previousSha}&searchCriteria.itemVersion.versionType=commit&searchCriteria.compareVersion.version={currentSha}&searchCriteria.compareVersion.versionType=commit";
+
+    public string GetPullRequestUrl(string repoUrl, string prNumber)
+        => $"{repoUrl}/pullrequest/{prNumber}";
+
+    public bool ShouldSkip(Commit commit, ref bool mergePRFound)
+    {
+        // Exclude arcade dependency updates
+        if (commit.Author.Name == "DotNet Bot")
+        {
+            mergePRFound = true;
+            return true;
+        }
+
+        // Exclude OneLoc localization PRs
+        if (commit.Author.Name == "Project Collection Build Service (devdiv)")
+        {
+            mergePRFound = true;
+            return true;
+        }
+
+        // Exclude merge commits from auto code-flow PRs (e.g. main to Dev17)
+        if (IsAzDOReleaseFlowCommit.Match(commit.MessageShort).Success)
+        {
+            mergePRFound = true;
+            return true;
+        }
+
+        return false;
+    }
+
+    public bool TryParseMergeInfo(Commit commit, out string prNumber, out string comment)
+    {
+        var match = IsAzDOMergePRCommit.Match(commit.Message);
+        if (match.Success)
+        {
+            // Merge PR Messages are in the form "Merged PR 320820: Resolving encoding issue on test summary pane, using UTF8 now\n\nAdded a StreamWriterWrapper to resolve encoding issue"
+            comment = commit.MessageShort;
+            prNumber = match.Groups[1].Value;
+            return true;
+        }
+        else
+        {
+            // Todo: Determine if there is a format for AzDO squash merges that preserves the PR #
+        }
+
+        comment = string.Empty;
+        prNumber = string.Empty;
+        return false;
+    }
+}