[nothrabannosir]

Last but decidedly not least: if you have `git-foo` on the PATH, you can do `git foo` and it will automatically pick up your program.

If I remember early git days correctly, that's how git was implemented: a bunch of separate utilities working together on the database which is the .git folder.

[gavmor]

These are called alternative "porcelains:"[0] third-party, user-friendly interfaces built on top of Git's stable, low-level plumbing commands.

0. https://git-scm.com/docs/git.html#_low_level_commands_plumbi...