Another great use of guix shell that I tend to do is for one off commands. I don't need OBS installed to use it occasionally, I can just do "guix shell obs -- o

Another great use of guix shell that I tend to do is for one off commands. I don't need OBS installed to use it occasionally, I can just do "guix shell obs -- obs" to run it once and not have it in my PATH, application launcher, etc. when I don't need it. Or better yet for running python or CL scripts, with something like 'guix shell python [python packages] -- python3 myscript.py "some argument"'. No need to carry around these libraries. This can be done with a manifest or guix.scm file as well, that guix shell will use automatically (once authorized, so you don't accidentally run something). This keeps things tidy in terms of just having packages I need all the time installed, while still being very quick after the first run. (There are some caveats about garbage collection, but I rarely do that.) And as the article mentioned there's also containers...lots of useful tools.