this post was submitted on 18 Feb 2024
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That's essentially what
nix-shell -p
does. Not a special feature of nix, just nix's way of doing the above.Actually using it though is pretty convenient; it disappears on its own when I exit the shell. I used it just the other day with
nix-shell -p ventoy
to install ventoy onto an ssd, I may not need that program again for years. Just used it with audible-cli to download my library and strip the DRM with ffmpeg. Probably won't be needing that for a while either.The other thing to keep in mind is that since Nix is meant to be declarative, everything goes in a config file, which screams semi-permenant. Having to do that with ventoy and audible-cli would just be pretty inconvenient. That's why it exists; due to how Nix is, you need a subcommand for temporary one-off operations.