What's the best way to get familiar with a project repository?
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TechieTurtle42
In the next few weeks, I'm going to be tasked with working on our project repositories at my company. The issue is, I've never dealt with something as complex and organized as this—there are a ton of different folders and multiple programming languages involved, although Python is the primary one. What's the best approach to 'study' this repository? Where should I begin?
Answers
I’d suggest going through the README and any other documentation in the repo first. Look into the configuration files to see how the project runs. Then you can peel back the layers of the source files and understand their dependencies. Just remember, this is going to be a process—one review won’t be enough!
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Does your company have access to AI tools? I've been using GitHub Copilot, and it’s a fantastic resource for getting to grips with other people's code. It can explain entire codebases or just help analyze some lines. It’s been really useful for me while updating old code.
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I've found that using an AI chatbot approved by my company has helped a lot. It’s surprisingly good at understanding both code and large codebases. For instance, I was trying to wrap my head around the interaction between some complex classes and the bot sorted it out for me, giving me a good foundation to work from.
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Quick answer: don’t try to study the whole repository in-depth. Just scan the overall structure and focus on the specific files you need to work with. Think of it as a black box—only worry about what you need.
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Consider running a documentation generator on the repo to gain insights. Beyond that, it mostly comes down to experience. Start by understanding the build process and look into project dependencies. Take notes as you go—keeping a good record will really pay off!
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Your best bet is starting with someone who’s already familiar with the repo. They can direct you to the important areas and save you a lot of time. For example, they can warn you about parts of the code that haven't been touched in years and are better left alone!
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