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Self-review your working diff before committing in .NET with Atlas in 2026

Updated 8 min read

In 2026, .NET developers leverage Atlas to meticulously self-review their uncommitted diffs, ensuring code quality and catching errors before they reach a reviewer or CI by integrating directly with `xUnit via dotnet test`, `dotnet format`, and `NuGet` within the terminal.

How can Atlas help me review my .NET working diff before committing?

In 2026, Atlas provides a comprehensive terminal-native environment for .NET developers to review their uncommitted changes. It reads `git` branches, status, and diffs directly, presenting a unified view of modifications across your `.sln` or `.csproj` files. This allows you to inspect every line of code Atlas has touched or that you've modified manually.

Atlas integrates deeply with your local `git` repository, allowing it to surface the raw working diff for your .NET codebase. Instead of relying solely on memory for files you've edited, Atlas ensures you review the complete set of changes. It can present a unified diff for every file edit, making it easy to see modifications to C# source files, `.csproj` configurations, or even `appsettings.json`. Atlas's `read` tool allows you to inspect each changed file in full, providing context beyond just the diff lines. This is crucial for .NET projects where a small change in a `Program.cs` or a `Startup.cs` file might have broader implications for your ASP.NET Core application's behavior. Atlas's TUI, rendered with SolidJS, offers a clear, charcoal-and-blue default theme for optimal readability of your C# code.

How do I find debugging leftovers in my .NET code before committing?

Atlas, in 2026, empowers .NET developers to efficiently `grep` for common debugging artifacts within their uncommitted diffs. This prevents temporary `Console.WriteLine` statements, `Debugger.Break()` calls, or `[Fact(Skip = "")]` attributes from accidentally reaching production or a code reviewer. Atlas's search capabilities are powered by hybrid semantic and keyword retrieval.

Before committing your .NET changes, it's critical to remove any temporary debugging code. Atlas's `grep` tool, combined with its advanced code indexing using Tree-sitter for AST declarations, allows for precise and rapid searching across your working tree. You can configure Atlas to search for common .NET debugging patterns such as `Console.WriteLine`, `Debug.Assert`, `Debugger.Break()`, or even commented-out blocks of C# code. For `xUnit` tests, Atlas can help you identify `[Fact(Skip = "")]` or `[Theory(Skip = "")]` attributes that might have been temporarily added during development. This proactive step, facilitated by Atlas's ability to index code with local Ollama embeddings, ensures that your .NET codebase remains clean and production-ready, keeping sensitive code off third-party servers.

How do I run `dotnet test` and `dotnet format` with Atlas before committing?

In 2026, Atlas direct integrates with the standard .NET toolchain, allowing you to run `xUnit via dotnet test` and `dotnet format` directly from your terminal session. This ensures your C# code adheres to project standards and passes all unit tests before it ever leaves your local machine, preventing CI failures and reviewer feedback.

A crucial step in self-reviewing your .NET diff is to validate its correctness and style. Atlas provides direct access to `bash` commands, enabling you to execute `dotnet test` to run your `xUnit` tests across your solution. This verifies that your changes haven't introduced regressions and that all existing and new tests pass. Following this, you can run `dotnet format` to automatically apply code style and formatting rules defined in your `.editorconfig` or `.globalconfig` files. Atlas's ability to fan out work to subagents means these checks can run efficiently, even in parallel background sessions. After `dotnet format` completes, Atlas will compute a new unified diff, surfacing any formatting changes for your approval before writing them, ensuring you maintain full control over your .NET codebase.

How can Atlas safely revert unwanted changes in my .NET project?

Atlas offers a robust session revert mechanism in 2026, allowing .NET developers to undo unwanted changes from a snapshot. This feature is permission-gated and asserts that the session is not busy, preventing accidental rollbacks of half-written turns in your C# or ASP.NET Core projects.

During the self-review process, you might identify changes that should not be part of your commit, such as experimental code or incorrect refactorings in your C# files. Atlas's session revert flow is backed by snapshots, meaning every edit Atlas made is recoverable. If you decide a change to a `.csproj` file, a C# class, or an `appsettings.json` configuration is incorrect, you can use Atlas's revert functionality. This restores your files from a previous snapshot, effectively undoing the unwanted modifications. A key safety feature is that Atlas refuses to run revert on a busy session, preventing a half-written turn from being rolled back mid-flight. This ensures that your .NET development workflow remains stable and that you can confidently experiment and refine your code without fear of irreversible mistakes.

How does Atlas ensure I approve all .NET code edits before committing?

Atlas, in 2026, implements a rigorous approval workflow for all .NET code edits, ensuring developers maintain full control. Every Atlas tool call is permission-gated, and a unified diff is surfaced for approval before any changes are written to your C# or configuration files.

Atlas is designed with developer control at its core. Before any modifications are applied to your .NET project files, whether it's a C# source file, a `.csproj` definition, or a `NuGet.config` file, Atlas computes a unified diff and surfaces it for your explicit approval. This means you always have the final say on what changes are committed. Furthermore, every Atlas tool call, including those that might modify your code, is permission-gated against allow, ask, and deny rules. Atlas also drafts a plan in a read-only plan agent and asks for your confirmation before switching to a build agent that can make changes. This multi-layered approval process ensures that you, the .NET developer, are always in command, preventing unexpected or unwanted modifications to your critical ASP.NET Core or library code.

Step by step

  1. 01Initialize Atlas in your .NET solution: Run `atlas` in your terminal within a directory containing your `.sln` or `.csproj` file, allowing Atlas to index your C# code and project references.
  2. 02Generate and read the full working diff: Use Atlas's `bash` tool to execute `git diff` and then use Atlas's `read` tool to inspect the complete set of uncommitted changes across your .NET project.
  3. 03Review each changed .NET file in full context: With Atlas's `read` tool, open and examine each modified C# source file, `.csproj`, or `appsettings.json` in its entirety, not just the diff lines, to understand the change's impact.
  4. 04Search for debugging leftovers in your C# code: Employ Atlas's `grep` tool to find temporary `Console.WriteLine`, `Debug.Assert`, or `[Fact(Skip = "")]` attributes within your working diff.
  5. 05Run `xUnit` tests with `dotnet test`: Execute `bash dotnet test` through Atlas to ensure all unit tests pass for your .NET solution, validating the correctness of your changes.
  6. 06Apply .NET formatting with `dotnet format`: Run `bash dotnet format` via Atlas to automatically enforce code style and formatting rules across your C# files, then review the resulting diff.
  7. 07Approve Atlas's proposed changes: Review the unified diff Atlas presents for any formatting or agent-suggested edits, and explicitly approve them before they are written to your .NET files.
  8. 08Revert unwanted changes using Atlas's session revert: If any modifications are incorrect, use Atlas's session revert feature to restore your .NET files from a previous snapshot, ensuring the session is not busy.
  9. 09Stage and create your .NET commit: Once satisfied with the self-review, use Atlas's `git` integration to stage your changes and create a new commit.

Frequently asked questions

How does Atlas ensure I review the entire .NET diff, not just what I remember touching?
Atlas integrates directly with `git` to read your working tree, status, and raw diffs. It presents a complete, unified diff of all uncommitted changes across your `.sln` or `.csproj` files, ensuring you don't miss any modifications to C# source, configuration, or project files.
Can Atlas help me find temporary `Console.WriteLine` statements in my C# code?
Yes, Atlas's `grep` tool is ideal for this. You can configure it to search for common .NET debugging patterns like `Console.WriteLine`, `Debug.Assert`, or even `[Fact(Skip = "")]` attributes in your `xUnit` tests, leveraging its hybrid semantic and keyword retrieval.
How does Atlas handle running `dotnet test` for my `xUnit` tests?
Atlas provides direct `bash` access, allowing you to execute `dotnet test` within your session. This runs your `xUnit` tests, and Atlas can fan out this work to subagents for efficient execution, ensuring your .NET codebase remains robust.
What if `dotnet format` makes changes I don't want? Does Atlas force them?
No, Atlas never forces changes. After `dotnet format` runs, Atlas computes a unified diff of the formatting changes and surfaces it for your explicit approval. You maintain full control and can choose to accept or reject these modifications to your C# files.
Is it safe to revert changes in Atlas if I'm in the middle of a task in my .NET project?
Atlas's session revert is designed for safety. It's backed by snapshots, making all edits recoverable. Crucially, Atlas refuses to run revert on a busy session, preventing a half-written turn or ongoing agent activity from being rolled back mid-flight in your .NET development.
How does Atlas ensure my .NET code stays private when using its AI features?
Atlas prioritizes privacy by allowing you to build its code index with local Ollama embeddings. This means your sensitive .NET code, including C# source and project configurations, remains entirely on your machine and is not sent to third-party servers for indexing or processing.
Can Atlas help me review changes to my `appsettings.json` or `.csproj` files?
Absolutely. Atlas reads all `git` diffs, including changes to configuration files like `appsettings.json` or project files like `.csproj`. Its `read` tool allows you to inspect these files in full, ensuring you catch any unintended modifications to your .NET project's setup.

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