This trick is for people who don't double-check what they're writing. If you pressed the Enter key too early, there's a way to modify the last commit message, using the git commit command with the --amend option:

$ git commit --amend -m "New commit message"

Please note that with the --amend option, you are actually redoing the commit, which will have a new hash; if you already pushed the previous commit, changing the last commit is not recommended; rather, it is deplorable and you will get in trouble.

Working on source code in a team, it is not uncommon to need to look at the last modifications made to a particular file to better understand how it evolved over time. To achieve this result, we can use the git blame <filename> command.

Let's try this inside the Spoon-Knife repository to see...