Question

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What is a version control system? How is Git useful?

I am new to Ruby on Rails platform, and so this may sound a little naive.

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Why and when do we store our work in a version control system like git?

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I mean what is the advantage of it ! Can’t we just keep it in our local machine ?

Answer 1

Advantages for using git/source control:

For yourself

• Remembering what you have coded and when you did it
• Being able to compare what you did to previous work
• Allow you to work on something experimental, and if it doesn’t work switch it back to where it was before

Working with a team

• It makes working with others easier – you can work on the same file at the same time and really easily combine your changes.
• It will allow you to work in multiple locations and easily have the most recent code
• It will help in deploying your code to a server

Git workflow for teams

Git branching model

When to store or commit your work:

You want to do this each time you finish on a particular “idea” or piece of work you are working on. This means you can have a useful commit message and can go back im time to that feature you just wrote or that bug that you just fixed.

How often and when to commit

Reasons for using Git over other source control

• Its fast (switching branches is really fast and you have a local copy, so you dont have to communicate to a server for a lot of things unless you want to push or pull changes to the server)