Version control systems also make it easy for a software developer team to remain in sync with each other while they make changes to a project’s source code. Check-in is also a less popular term for commits. Commit is a noun and a verb programmers commit (or save) their commits (or snapshots). That way, you can roll back to any previous snapshot if you ever need to. Git allows you to save the state of your project files, called snapshots or commits, as you make changes to them.
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#Install meld through package manager how to
In this chapter, you’ll learn how to set up files for code projects and use Git to track their changes. Git, Mercurial, and Subversion are popular version control applications, although Git is by far the most popular. Learning to use a version control system saves you time and headaches in the long run. Copying folders might be simple, but the approach doesn’t scale. If you keep making changes, you’ll eventually have to make another copy named myProject-copy2, then myProject-cop圓, myProject-cop圓b, myProject-copyAsOfWednesday, and so on.
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This is preferable to, say, making a copy of your myProject folder and naming it myProject-copy. Or if you discover a new bug, you can go back to earlier versions to identify when it first appeared and which code change caused it.Ī version control system manages files as you make changes to them. For example, if you replace a function and then later decide you liked the old one better, you can restore your code to the original version. Think of these tools as sophisticated undo features.
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Version control systems are tools that record all source code changes and make it easy to retrieve older versions of the code.