Using URLs and SWHIDs directly in guix pull and guix time-machine

Today I stumbled upon a recently published (one month ago) blog post by the Guix team: Time travel without borders . It was a worthwhile read. guix time-machine is used to go back or forward in time (relative to the current Guix profile) and call other Guix subcommands. For instance, to run the yt-dlp binary from the latest Guix commit: Terminal window guix time-machine -q -- shell yt-dlp --…