Legit: Git Commands as an Esoteric Programming Language

Presenting:

Programs written in legit are defined entirely by the graph of commits in a Git repository. You can find implementations of legit, as well as some example programs, on GitHub: The entry in the Esolang wiki is at each legit program, two data structures are available: A stack, and a brainfuck-like endless tape, with a head moving on it. For both, you’ll need Ruby, and the “rugged” Gem:

The compiler compiles a legit program to LLVM IR.

Source: morr.cc