Git Submodules: One Repository Pinned Inside Another

Wed, 21 Oct 2026 11:00:00 +0000

This site is built with a Hugo theme I also maintain, nuno, and the theme lives in its own repository. The site needs an exact version of it, and I want to change the theme without copying files back and forth. Git’s answer is a submodule: a repository placed inside another repository, the superproject, which records exactly which commit of it to use. The site’s themes/nuno folder is one, and it is the example throughout this article.

Submodules on Artur Rios Lab

Git Submodules: One Repository Pinned Inside Another