Capture local unstaged changes

Author: cotti

src/tooling/docs-builder/Cli/DiffCommands.cs

@@ -57,7 +57,7 @@ public async Task<int> ValidateRedirects([Argument] string? path = null, Cancel
 		var tracker = new LocalGitRepositoryTracker(collector, root);
 		var changed = tracker.GetChangedFiles(path);
 
-		foreach (var notFound in changed.Where(c => c.ChangeType is GitChangeType.Deleted or GitChangeType.Renamed
+		foreach (var notFound in changed.DistinctBy(c => c.FilePath).Where(c => c.ChangeType is GitChangeType.Deleted or GitChangeType.Renamed
 																	&& !redirects.ContainsKey(c is RenamedGitChange renamed ? renamed.OldFilePath : c.FilePath)))
 		{
 			if (notFound is RenamedGitChange renamed)

src/tooling/docs-builder/Tracking/LocalGitRepositoryTracker.cs

@@ -18,8 +18,11 @@ public IEnumerable<GitChange> GetChangedFiles(string lookupPath)
 		var defaultBranch = GetDefaultBranch();
 		var commitChanges = CaptureMultiple("git", "diff", "--name-status", $"{defaultBranch}...HEAD", "--", $"./{lookupPath}");
 		var localChanges = CaptureMultiple("git", "status", "--porcelain");
+		_ = Capture("git", "stash", "push", "--", $"./{lookupPath}");
+		var localUnstagedChanges = CaptureMultiple("git", "stash", "show", "--name-status", "-u");
+		_ = Capture("git", "stash", "pop");
 
-		return [.. GetCommitChanges(commitChanges), .. GetLocalChanges(localChanges)];
+		return [.. GetCommitChanges(commitChanges), .. GetLocalChanges(localChanges), .. GetCommitChanges(localUnstagedChanges)];
 	}
 
 	private string GetDefaultBranch()