Git blame, by default, doesn’t take into account lines that were either copied or moved. If that happens, it means you’ve successfully blamed across branches. So, start by cloning the project and accessing the resulting folder:ĭoing that will result in the file newfile being blamed, and your name will appear as the sole editor of the file. To make the git blame example feel more realistic, we’ll use a real repository from an open-source project on GitHub called AutoFixture. Now that you know the basics about git blame, let’s deepen your understanding of the command with some examples. To quit and return to the normal shell, press q (for quit) in the terminal. How Do I Get Out Of git blame?īy default, the result of git blame will be paginated, even if there’s not enough input for that. Scott Furman, a former developer at Netscape, claims to be possibly the creator of the term “blame.” In 1997, he created a utility called cvsblame, which annotated authors and revision numbers for each line of a file. It seems that Git simply copied the name from its predecessors, such as Subversion, which already had a blame command. “Blame” is a strong word, and often people object to it. The output above displays each line of the file, prefixed by the hash of the last commit that changed that line, each commit’s author, and the timestamp. For instance, suppose your repository contains a file called file.txt with the following content: The simplest way to use it, though, is to simply execute it, followed by the path to the file you want to blame. How Do You Use git blame?Īs is the case with most commands in Git, git blame offers a lot of options. Using git blame along with other commands, such as git diff, can significantly improve your odds of understanding the changes made to a codebase. For instance, if you’re investigating a bug, the command lets you know which commits last touched the lines you’re looking at and who made those changes. Given a specific file, for each line of the file, git blame will show you the author and commit hash that modified that line most recently.Īs such, git blame is an incredibly useful command regarding traceability. Git blame is a command that displays authorship information regarding the latest changes to every line in a file. Let’s start by covering some fundamental questions about the command. Surprises can happen, but all the commands we’ll show should work regardless of your platform preferences. We don’t make any assumptions regarding your operating system and shell choice. It’d be helpful if you knew at least a few basic commands. We assume you have Git installed on your machine. Among other things, you’ll learn the following: In this post, we’ll give you the ultimate guide on git blame. Despite its negative-sounding name, it is a crucial command for you to know. In Git, you use the git blame command for this. With traceability tools you can know exactly who made each change and when they made it. Source control tools give users many powers and one of the big ones is traceability.
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