nix: make usage in non-flake setups easier (#296)

* nix: extract overlay into own file
* readme: document non-flake nixos usage
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Ruby Iris Juric 2025-08-19 08:41:49 +10:00 committed by GitHub
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3 changed files with 40 additions and 11 deletions

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@ -2344,7 +2344,7 @@ some recommended dependencies are enabled by default; [override the package](htt
## nixos module
for this setup, you will need a [flake-enabled](https://nixos.wiki/wiki/Flakes) installation of NixOS.
for [flake-enabled](https://nixos.wiki/wiki/Flakes) installations of NixOS:
```nix
{
@ -2371,6 +2371,33 @@ for this setup, you will need a [flake-enabled](https://nixos.wiki/wiki/Flakes)
}
```
if you don't use a flake in your configuration, you can use other dependency management tools like [npins](https://github.com/andir/npins), [niv](https://github.com/nmattia/niv), or even plain [`fetchTarball`](https://nix.dev/manual/nix/stable/language/builtins#builtins-fetchTarball), like so:
```nix
{ pkgs, ... }:
let
# npins example, adjust for your setup. copyparty should be a path to the downloaded repo
# for niv, just replace the npins folder import with the sources.nix file
copyparty = (import ./npins).copyparty;
# or with fetchTarball:
copyparty = fetchTarball "https://github.com/9001/copyparty/archive/hovudstraum.tar.gz";
in
{
# load the copyparty NixOS module
imports = [ "${copyparty}/contrib/nixos/modules/copyparty.nix" ];
# add the copyparty overlay to expose the package to the module
nixpkgs.overlays = [ "${copyparty}/contrib/package/nix/overlay.nix" ];
# (optional) install the package globally
environment.systemPackages = [ pkgs.copyparty ];
# configure the copyparty module
services.copyparty.enable = true;
}
```
copyparty on NixOS is configured via `services.copyparty` options, for example:
```nix
services.copyparty = {

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@ -0,0 +1,11 @@
final: prev: {
copyparty = final.python3.pkgs.callPackage ./copyparty {
ffmpeg = final.ffmpeg-full;
};
python3 = prev.python3.override {
packageOverrides = pyFinal: pyPrev: {
partftpy = pyFinal.callPackage ./partftpy { };
};
};
}

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@ -12,16 +12,7 @@
}:
{
nixosModules.default = ./contrib/nixos/modules/copyparty.nix;
overlays.default = final: prev: {
copyparty = final.python3.pkgs.callPackage ./contrib/package/nix/copyparty {
ffmpeg = final.ffmpeg-full;
};
python3 = prev.python3.override {
packageOverrides = pyFinal: pyPrev: {
partftpy = pyFinal.callPackage ./contrib/package/nix/partftpy { };
};
};
};
overlays.default = import ./contrib/package/nix/overlay.nix;
}
// flake-utils.lib.eachDefaultSystem (
system: