Pragmatic Guide to Git

32	Comparing Differences

Git’s log provides you with the information about a change—who made it, what their intent was, and so on—but sometimes looking at the changes made to the code provides more information. git diff shows you the changes that were made between two commits.

You can use git diff to view the changes—referred to as diffs or patches—of two different commits or states. Most of the time it’s called as git diff with no parameters. That’s the same as telling Git, “Show me the changes between my working tree and the staging area.”

git diff considers changes that are staged and ready to be committed as part of the repository. You can tell Git to show the differences between what is staged and what is stored ...