Extending Guix
Summary
A developer-focused Guix blog post describing extending Guix with new guix commands and extensions. It covers locating extensions via GUIX_EXTENSIONS_PATH and the new extension schema, writing a basic extension in Guile Scheme (guix-hello), exposing help, and packaging the extension with a guix.scm build definition. The post includes runnable examples and instructions for testing with guix shell and sharing extensions via the guix-extensions project.