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| a3don | Hey! 👋 Can I make a flake that installs other packages to a profile individually, instead of as one package? | 03:06:51 |
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 elikoga | You could run nix profile install $(nix eval .#packages.x86_64-linux --apply builtins.attrNames --json | jq -r '.[] | ".#\(.) "') | 12:59:50 |
| elikoga | I don't know why but you could do that | 13:00:00 |
| a3don | The idea is that I'd like to take a set of packages installed on one machine and move them to another -- but still allow them to be upgraded independently in the future | 15:25:31 |
| elikoga | I think working with ad hoc shell scripts is your best bet with that use case. As you can see, a creative application of nix eval, jq, or tools like find or xargs can build many of the things you need | 15:27:21 |
| a3don | got it, thanks! | 15:56:27 |
| 31 Jan 2025 |
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| 2 Feb 2025 |
 llakala | Is anyone well-versed enough in Flakes internals to know how Nix turns a flakeref string (i.e. "github:nixos/nixpkgs") into a URL? Or, if it doesn't do that, how it works with the input without having an intermediary URL stage?
I have a project where I take the flake.lock data and reconstruct the input data into a URL, so I can use git ls-remote and see if the input has changed at all (so I can see which inputs would be updated, without waiting the 15-30 seconds for nix flake update to run). However, I've run into less easy input types to work with, and it's made me question whether I'm reinventing the wheel here.
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 Sandro 🐧 | github: is just a shorthand for github.com/nixos/nixpkgs that uses a special endpoint at github to fetch the archive efficiently | 20:43:44 |
| llakala | In reply to @sandro:supersandro.de
github: is just a shorthand for github.com/nixos/nixpkgs that uses a special endpoint at github to fetch the archive efficiently I didn't mean inputs of type GitHub specifically, but instead just how it resolves other types (and where I can find documentation on the types) | 23:37:00 |
| Sandro 🐧 | https://nix.dev/manual/nix/2.25/command-ref/new-cli/nix3-flake#types | 23:46:24 |
| llakala | In reply to @sandro:supersandro.de
https://nix.dev/manual/nix/2.25/command-ref/new-cli/nix3-flake#types oh IDK how I missed that, thank you | 23:47:40 |
| elikoga | Or try https://github.com/edolstra/flake-compat/blob/master/default.nix#L21 for a project that also does the fetching itself | 23:48:28 |
| Sandro 🐧 | In reply to @llakala:matrix.org
oh IDK how I missed that, thank you You can easily find it by searching for GitLab or sourcehut, anything but GitHub | 23:48:54 |
| llakala | In reply to @elikoga:matrix.org
Or try https://github.com/edolstra/flake-compat/blob/master/default.nix#L21 for a project that also does the fetching itself THIS is exactly what I needed, thank you | 23:49:32 |
| elikoga | https://github.com/NixOS/nix/blob/24d11d22c31dd7773cbcef6ea077e62ea114e2a3/src/libfetchers/github.cc#L364
Or this one
Keywords "api" "github.com" "libfetcher" "fetcher infrastructure" "fetchTree" | 23:52:13 |
