powerful)
----------------
-$ git-whatchanged -p --root
+$ git-whatchanged -p
----------------
and you will see exactly what has changed in the repository over its
short history.
[NOTE]
-The `\--root` flag is a flag to `git-diff-tree` to tell it to
-show the initial aka 'root' commit too. Normally you'd probably not
-want to see the initial import diff, but since the tutorial project
-was started from scratch and is so small, we use it to make the result
-a bit more interesting.
+When using the above two commands, the initial commit will be shown.
+If this is a problem because it is huge, you can hide it by setting
+the log.showroot configuration variable to false. Having this, you
+can still show it for each command just adding the `\--root` option,
+which is a flag for `git-diff-tree` accepted by both commands.
With that, you should now be having some inkling of what git does, and
can explore on your own.
$ git diff my-first-tag
----------------
-to diff your current state against that tag (which at this point will
+to diff your current state against that tag which at this point will
obviously be an empty diff, but if you continue to develop and commit
stuff, you can use your tag as an "anchor-point" to see what has changed
since you tagged it.