In order to troubleshoot a bug in the very early history of a project using git, I needed a way to show the git diff from “nothing” to the first commit. Since git keeps a linked graph of commits, what I wanted was a diff from the commit before the first one. Searching the onlines dug up this answer on StackOverflow, showing that there’s a specific commit hash we can use to diff from “nothing” to the first commit:
