[VersionControl] Added tagging support.

3 files changed, 136 insertions, 5 deletions

diff --git a/main/src/addins/VersionControl/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/GitBranchTests.cs b/main/src/addins/VersionControl/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/GitBranchTests.cs
index 57c781b5ce..a588ed44a3 100644
--- a/main/src/addins/VersionControl/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/GitBranchTests.cs
+++ b/main/src/addins/VersionControl/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/GitBranchTests.cs
@@ -29,6 +29,8 @@ using NUnit.Framework;
 using System.Threading.Tasks;
 using NUnit.Framework.Internal;
 using System.IO;
+using System.Diagnostics;
+using System.Linq;
 
 namespace MonoDevelop.VersionControl.Git.ClientLibrary.Tests
 {
@@ -52,12 +54,100 @@ namespace MonoDevelop.VersionControl.Git.ClientLibrary.Tests
 	public class GitBranchTests : GitTestBase
 	{
 		[Test]
-		public Task GetCurrentBranch()
+		public Task GetCurrentBranchTest ()
 		{
 			return RunTest (async root => {
 				var currentBranch = await BranchUtil.GetCurrentBranchAsync (root);
 				Assert.AreEqual ("master", currentBranch.Name);
 			});
 		}
+
+		[Test]
+		public Task CreateTagTest ()
+		{
+			return RunTest (async root => {
+				Setup (root);
+				var result = await BranchUtil.CreateNewTagAsync (root, "newTag");
+				Assert.IsTrue (result.Success, result.ErrorMessage);
+			});
+		}
+
+		[Test]
+		public Task CreateExistingTagTest ()
+		{
+			return RunTest (async root => {
+				Setup (root);
+				var result = await BranchUtil.CreateNewTagAsync (root, "newTag");
+				Assert.IsTrue (result.Success, result.ErrorMessage);
+
+				result = await BranchUtil.CreateNewTagAsync (root, "newTag");
+				Assert.IsFalse (result.Success, "has to fail.");
+			});
+		}
+
+		[Test]
+		public Task DeleteTagTest ()
+		{
+			return RunTest (async root => {
+				Setup (root);
+				var result = await BranchUtil.CreateNewTagAsync (root, "newTag");
+				Assert.IsTrue (result.Success, result.ErrorMessage);
+
+				result = await BranchUtil.DeleteTagAsync (root, "newTag");
+				Assert.IsTrue (result.Success, result.ErrorMessage);
+			});
+		}
+
+		[Test]
+		public Task DeleteNonExistingTagTest ()
+		{
+			return RunTest (async root => {
+				Setup (root);
+				var result = await BranchUtil.DeleteTagAsync (root, "notExist");
+				Assert.IsFalse (result.Success, result.ErrorMessage);
+			});
+		}
+
+		[Test]
+		public Task ListAllTagsTest ()
+		{
+			return RunTest (async root => {
+				Setup (root);
+				var result = await BranchUtil.CreateNewTagAsync (root, "newTag");
+				Assert.IsTrue (result.Success, result.ErrorMessage);
+				result = await BranchUtil.CreateNewTagAsync (root, "newTag2");
+				Assert.IsTrue (result.Success, result.ErrorMessage);
+				result = await BranchUtil.CreateNewTagAsync (root, "otherTag");
+				Assert.IsTrue (result.Success, result.ErrorMessage);
+
+				var allTags = await BranchUtil.GetAllTagsAsync (root);
+				Assert.IsTrue (allTags.Count == 3);
+
+				Assert.IsTrue (allTags.Single (t => t.Name == "newTag") != null);
+				Assert.IsTrue (allTags.Single (t => t.Name == "newTag2") != null);
+				Assert.IsTrue (allTags.Single (t => t.Name == "otherTag") != null);
+			});
+		}
+
+		void Setup (string root)
+		{
+			var path = Path.Combine (root, "foo.txt");
+			File.WriteAllText (path, "Test content.");
+			var si = new ProcessStartInfo ("git") {
+				WorkingDirectory = root,
+				Arguments = "add foo.txt"
+			};
+			var p = Process.Start (si);
+			p.WaitForExit ();
+			Assert.AreEqual (0, p.ExitCode);
+
+			si = new ProcessStartInfo ("git") {
+				WorkingDirectory = root,
+				Arguments = "commit -a -m 'first commit.'"
+			};
+			p = Process.Start (si);
+			p.WaitForExit ();
+			Assert.AreEqual (0, p.ExitCode);
+		}
 	}
 }
diff --git a/main/src/addins/VersionControl/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/TestUtil.cs b/main/src/addins/VersionControl/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/TestUtil.cs
index 27d436b4f4..86d6ab91fd 100644
--- a/main/src/addins/VersionControl/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/TestUtil.cs
+++ b/main/src/addins/VersionControl/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/MonoDevelop.VersionControl.Git.ClientLibrary.Tests/TestUtil.cs
@@ -31,10 +31,9 @@ namespace MonoDevelop.VersionControl.Git.ClientLibrary.Tests
 {
 	static class TestUtil
 	{
-
 		public static string CreateTempDirectory ()
 		{
-			Random rnd = new Random ();
+			var rnd = new Random ();
 			string result;
 			while (true) {
 				result = Path.Combine (Path.GetTempPath (), "gitLibTest_" + rnd.Next ());
diff --git a/main/src/addins/VersionControl/MonoDevelop.VersionControl.Git.ClientLibrary/MonoDevelop.VersionControl.Git.ClientLibrary/Branches/BranchUtil.cs b/main/src/addins/VersionControl/MonoDevelop.VersionControl.Git.ClientLibrary/MonoDevelop.VersionControl.Git.ClientLibrary/Branches/BranchUtil.cs
index 72ab31c7fa..0657cd17fd 100644
--- a/main/src/addins/VersionControl/MonoDevelop.VersionControl.Git.ClientLibrary/MonoDevelop.VersionControl.Git.ClientLibrary/Branches/BranchUtil.cs
+++ b/main/src/addins/VersionControl/MonoDevelop.VersionControl.Git.ClientLibrary/MonoDevelop.VersionControl.Git.ClientLibrary/Branches/BranchUtil.cs
@@ -30,6 +30,7 @@ using System.Text;
 using System.Threading;
 using System.Text.RegularExpressions;
 using System.IO;
+using System.Collections.Generic;
 
 namespace MonoDevelop.VersionControl.Git.ClientLibrary
 {
@@ -42,10 +43,51 @@ namespace MonoDevelop.VersionControl.Git.ClientLibrary
 			arguments.AddArgument ("symbolic-ref");
 			arguments.AddArgument ("--short");
 			arguments.AddArgument ("HEAD");
-			Console.WriteLine (arguments.Arguments);
 			await new GitProcess ().StartAsync (arguments, handler, false, cancellationToken);
-			Console.WriteLine (handler.Output);
 			return new GitLocalBranch (handler.Output.TrimEnd ());
 		}
+
+		#region Tags
+		public static async Task<GitResult> CreateNewTagAsync (string rootPath, string tagName, CancellationToken cancellationToken = default)
+		{
+			var handler = new GitOutputTrackerCallbackHandler ();
+			var arguments = new GitArguments (rootPath);
+			arguments.AddArgument ("tag");
+			arguments.AddArgument (tagName);
+			return await new GitProcess ().StartAsync (arguments, handler, false, cancellationToken);
+		}
+
+		public static async Task<GitResult> DeleteTagAsync (string rootPath, string tagName, CancellationToken cancellationToken = default)
+		{
+			var handler = new GitOutputTrackerCallbackHandler ();
+			var arguments = new GitArguments (rootPath);
+			arguments.AddArgument ("tag");
+			arguments.AddArgument ("-d");
+			arguments.AddArgument (tagName);
+			return await new GitProcess ().StartAsync (arguments, handler, false, cancellationToken);
+		}
+
+		class GitTagOutputHandler : GitOutputTrackerCallbackHandler
+		{
+			public List<GitTag> tags = new List<GitTag> ();
+
+			public override void OnOutput (string line)
+			{
+				tags.Add (new GitTag (line));
+			}
+		}
+
+		public static async Task<List<GitTag>> GetAllTagsAsync (string rootPath, CancellationToken cancellationToken = default)
+		{
+			var handler = new GitTagOutputHandler ();
+			var arguments = new GitArguments (rootPath);
+			arguments.AddArgument ("tag");
+			arguments.AddArgument ("-l");
+			var result = await new GitProcess ().StartAsync (arguments, handler, false, cancellationToken);
+			if (!result.Success)
+				throw new InvalidOperationException (result.ErrorMessage);
+			return handler.tags;
+		}
+		#endregion
 	}
 }