It's slightly more complicated than that. The `git` command line itself was done in shell. Initially, `git foo` just ran `git-foo-script`, and then those were a

It's slightly more complicated than that. The `git` command line itself was done in shell. Initially, `git foo` just ran `git-foo-script`, and then those were also written in shell. But the actual sha1 and packfile stuff was always in C from the beginning. Source: https://git.kernel.org/pub/scm/git/git.git/commit/git?h=v0.99&id=e764b8e8b3c50b131be825532ba26fa346d6586e https://git.kernel.org/pub/scm/git/git.git/commit/git?h=v0.9...