Understand source code management

Source code management helps you and your team to work quickly and collaborate efficiently. Learn all you need to know about source code management tools, when to use them, and how they work.

Learn about source code management

Learn about the key features of an effective version control system, like storing source code and assets, syncing changes with your teammates, managing large files, and more.

What is source code management?

Source code management (SCM) systems are tools that help teams collaborate on and modify the source code repository (sometimes called a “repo”) of their projects. These tools work by tracking changes to a code repository over time. 

Teams using source code management systems can work on the same project together simultaneously. Each individual change and update can be added to the source code repository in the form of a “commit,” which groups everything together. Changes grouped together in a single commit can be reviewed and updated individually, or the whole group can be undone. Having access to this complete history within the commit makes it easier to identify bugs, as well as to restore features that were previously removed.

Watch the video above to learn more about source code management and how to apply it.

What is version control?

Version control, also called source control, is how teams track and manage their projects’ code and asset updates. You can think of version control as the source of truth for the programmers, artists, and other team members who are contributing to your project’s codebase.

An effective version control system gives teams the ability to back up their projects at regular intervals and roll back to previous versions if unexpected events like merge conflicts occur. Merge conflicts happen when two different sets of changes are added to the source code simultaneously, and the version control system is unable to determine which one to merge into the project.

Version control is a central pillar of developer operations, allowing different stakeholders to work together and rapidly iterate to deliver quality projects on time.

Source code management tools

It’s important to find the best source code management tool for your team and implement it at the right time. The ideal time to introduce new source control tools is at the start or end of a project. Implementing them can be challenging, as this potentially requires your whole team to adapt their existing workflows – a process that’s more challenging when a project is in full swing.

Wondering what to look for as you consider a new tool for source code management? Consider factors like the types of files and file sizes you’ll be working with, the technical prowess of your entire team, cost, security requirements, and how much flexibility your team needs.

Learn more about how to evaluate your next version control tool on the Unity blog.

Why source code management tools are important

There are many reasons to implement source code management as part of the game development process. The most obvious is having greater control over your project. Effective source code management software empowers everyone, regardless of technical expertise, to work on their own parts of a project independently, while also making it easy to undo any changes that unintentionally break the source code. This is achieved through branching. 

A source code management tool that supports branching gives programmers the ability to isolate their own files from the main project (called the “trunk”) and test changes and updates on a separate “branch.” Once the changes are confirmed to be stable, they can then be merged back into the trunk.

Generally, source code management tools store information in the cloud or a distributed server, improving collaboration across time zones and geographies. These solutions also make it easier to work with larger project files, especially if they use file-based workflows. A file-based workflow allows team members such as artists to make changes to individual project files without downloading the entire project – a huge timesaver.

Plastic SCM gives you all of the benefits listed here. It is flexible and easy to use for programmers and artists, supports large repos and binary files, and works using a file-based workflow. Plastic SCM can support thousands of branches concurrently and is the only version control that offers visual branching.

Key features of version control by Plastic SCM

Learn how Unity’s source control management tool, Plastic SCM, seamlessly operates among your team and how it’s optimized to work with big projects.

Benefits of source code management

Introduction to source control by Plastic SCM

Source code management is useful for everyone on your team, making it the ideal for game development. As the only source code management tool with visual branching, Plastic SCM empowers every teammate, from artists to programmers, to contribute to projects independently without worrying about breaking the source code.

Create without compromise

With Plastic SCM for Unity, you can branch and merge, sync with teammates, and review the history of your project, all without leaving the Unity Platform. Benefit from powerful version control while staying focused on what’s important: creating.

Get started with source code management software

Use both distributed and centralized work structures, and manage large binary files easily using both file and change set-based workflows. Store your source code and assets and keep track of all project changes within a secure platform that works with any engine – but integrates best with Unity.

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