Prefer GITHUB_REPOSITORY for remote name (#594)

* Prefer GITHUB_REPOSITORY for remote name

* Fix reading remote name sometimes trimming last character when reading from .git

* update all usages

Author: Mpdreamz

src/Elastic.Markdown/BuildContext.cs

@@ -65,7 +65,7 @@ public BuildContext(DiagnosticsCollector collector, IFileSystem readFileSystem,
 		if (ConfigurationPath.FullName != SourcePath.FullName)
 			SourcePath = ConfigurationPath.Directory!;
 
-		Git = GitCheckoutInformation.Create(ReadFileSystem);
+		Git = GitCheckoutInformation.Create(SourcePath, ReadFileSystem);
 		Configuration = new ConfigurationFile(ConfigurationPath, SourcePath, this);
 	}
 

src/Elastic.Markdown/IO/Discovery/GitCheckoutInformation.cs

@@ -33,11 +33,11 @@ public record GitCheckoutInformation
 	public string? RepositoryName
 	{
 		get => _repositoryName ??= Remote.Split('/').Last();
-		set => _repositoryName = value;
+		init => _repositoryName = value;
 	}
 
 	// manual read because libgit2sharp is not yet AOT ready
-	public static GitCheckoutInformation Create(IFileSystem fileSystem)
+	public static GitCheckoutInformation Create(IDirectoryInfo source, IFileSystem fileSystem)
 	{
 		if (fileSystem is not FileSystem)
 		{
@@ -51,18 +51,18 @@ public static GitCheckoutInformation Create(IFileSystem fileSystem)
 		}
 
 		var fakeRef = Guid.NewGuid().ToString()[..16];
-		var gitConfig = Git(".git/config");
+		var gitConfig = Git(source, ".git/config");
 		if (!gitConfig.Exists)
 			return Unavailable;
 
-		var head = Read(".git/HEAD") ?? fakeRef;
+		var head = Read(source, ".git/HEAD") ?? fakeRef;
 		var gitRef = head;
 		var branch = head.Replace("refs/heads/", string.Empty);
 		//not detached HEAD
 		if (head.StartsWith("ref:"))
 		{
 			head = head.Replace("ref: ", string.Empty);
-			gitRef = Read(".git/" + head) ?? fakeRef;
+			gitRef = Read(source, ".git/" + head) ?? fakeRef;
 			branch = branch.Replace("ref: ", string.Empty);
 		}
 		else
@@ -73,15 +73,17 @@ public static GitCheckoutInformation Create(IFileSystem fileSystem)
 		using var streamReader = new StreamReader(stream);
 		ini.Load(streamReader);
 
-		var remote = BranchTrackingRemote(branch, ini);
+		var remote = Environment.GetEnvironmentVariable("GITHUB_REPOSITORY");
+		if (string.IsNullOrEmpty(remote))
+			remote = BranchTrackingRemote(branch, ini);
 		if (string.IsNullOrEmpty(remote))
 			remote = BranchTrackingRemote("main", ini);
 		if (string.IsNullOrEmpty(remote))
 			remote = BranchTrackingRemote("master", ini);
 		if (string.IsNullOrEmpty(remote))
-			remote = Environment.GetEnvironmentVariable("GITHUB_REPOSITORY") ?? "elastic/docs-builder-unknown";
+			remote = "elastic/docs-builder-unknown";
 
-		remote = remote.AsSpan().TrimEnd(".git").ToString();
+		remote = remote.AsSpan().TrimEnd("git").TrimEnd('.').ToString();
 
 		return new GitCheckoutInformation
 		{
@@ -91,11 +93,12 @@ public static GitCheckoutInformation Create(IFileSystem fileSystem)
 			RepositoryName = remote.Split('/').Last()
 		};
 
-		IFileInfo Git(string path) => fileSystem.FileInfo.New(Path.Combine(Paths.Root.FullName, path));
+		IFileInfo Git(IDirectoryInfo directoryInfo, string path) =>
+			fileSystem.FileInfo.New(Path.Combine(directoryInfo.FullName, path));
 
-		string? Read(string path)
+		string? Read(IDirectoryInfo directoryInfo, string path)
 		{
-			var gitPath = Git(path).FullName;
+			var gitPath = Git(directoryInfo, path).FullName;
 			return !fileSystem.File.Exists(gitPath)
 				? null
 				: fileSystem.File.ReadAllText(gitPath).Trim(Environment.NewLine.ToCharArray());

src/docs-assembler/Cli/LinkCommands.cs

@@ -10,6 +10,7 @@
 using ConsoleAppFramework;
 using Documentation.Assembler.Links;
 using Elastic.Markdown.CrossLinks;
+using Elastic.Markdown.IO;
 using Elastic.Markdown.IO.Discovery;
 using Microsoft.Extensions.Logging;
 
@@ -48,7 +49,9 @@ public async Task<int> ValidateLocalInboundLinks(string? repository = null, stri
 	{
 		AssignOutputLogger();
 		file ??= ".artifacts/docs/html/links.json";
-		repository ??= GitCheckoutInformation.Create(new FileSystem()).RepositoryName;
+		var fs = new FileSystem();
+		var root = fs.DirectoryInfo.New(Paths.Root.FullName);
+		repository ??= GitCheckoutInformation.Create(root, new FileSystem()).RepositoryName;
 		if (repository == null)
 			throw new Exception("Unable to determine repository name");
 

tests/Elastic.Markdown.Tests/DocSet/LinkReferenceTests.cs

@@ -2,6 +2,7 @@
 // Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
 // See the LICENSE file in the project root for more information
 
+using Elastic.Markdown.IO;
 using Elastic.Markdown.IO.Discovery;
 using Elastic.Markdown.IO.State;
 using FluentAssertions;
@@ -32,7 +33,8 @@ public class GitCheckoutInformationTests(ITestOutputHelper output) : NavigationT
 	[Fact]
 	public void Create()
 	{
-		var git = GitCheckoutInformation.Create(ReadFileSystem);
+		var root = ReadFileSystem.DirectoryInfo.New(Paths.Root.FullName);
+		var git = GitCheckoutInformation.Create(root, ReadFileSystem);
 
 		git.Should().NotBeNull();
 		git.Branch.Should().NotBeNullOrWhiteSpace();