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The Plumbing

So far we've been using Git in a "porcelain" manner. But to sate our insatiable curiosity, let's take a look at some of the "plumbing".

It's Just Files All the Way Down

All the data in a Git repository is stored directly in the (hidden) .git directory. That includes all the commits, branches, tags, and other objects we'll learn about later.

Git is made up of objects that are stored in the .git/objects directory. A commit is just a type of object.

Assignment
  1. Use git log -n 10 to find your commit hash again.
  2. Use ls -l .git/objects to list the contents of the .git/objects directory.
  3. Look for a directory that matches the first two characters of your commit hash.
  4. Use ls -al .git/objects/XX/ (replacing XX with your two characters) to list the contents of that directory. You should see a file whose name is the remaining characters of the hash. For the question, provide the full path to that object file (not just the directory).