6.5 Following Content

As we talked about in Copying Files—or Not, Git can track when the content moves within a file and even when it moves to another file. This is useful when you’re trying to track down the original commit and author of a few lines of code.

To keep from matching lines like a closing bracket in C or a simple constructor in Python, Git tries to match at least three lines when it tries to detect a copy and paste.

Let’s create a new file to demonstrate this functionality. Call it original.txt, and put the following three lines in it:

 
​This is the first line.​
 
​This happens to be the second line.​
 
​And this, it is the third and final line.​

Once you’ve saved your new file, add it to the ...

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