38 lines
1.1 KiB
Nix
38 lines
1.1 KiB
Nix
# Shell for bootstrapping flake-enabled nix and home-manager, from any nix version
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{ pkgs ? let
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inherit (builtins) currentSystem pathExists fromJSON readFile;
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nixpkgs =
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if pathExists ./flake.lock
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then
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# If we have a lock, fetch locked nixpkgs
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let
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inherit ((fromJSON (readFile ./flake.lock)).nodes.nixpkgs) locked;
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in
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fetchTarball {
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url = "https://github.com/nixos/nixpkgs/archive/${locked.rev}.tar.gz";
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sha256 = locked.narHash;
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}
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else
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# If not (probably because not flake-enabled), fetch nixos-unstable impurely
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fetchTarball {
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url = "https://github.com/nixos/nixpkgs/archive/nixos-unstable.tar.gz";
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};
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system = currentSystem;
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overlays = [ ];
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in
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import nixpkgs { inherit system overlays; }
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, ...
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}:
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let
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# Enable experimental features without having to specify the argument
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nix = pkgs.writeShellScriptBin "nix" ''
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exec ${pkgs.nixFlakes}/bin/nix --experimental-features "nix-command flakes" "$@"
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'';
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in
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pkgs.mkShell {
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nativeBuildInputs = with pkgs; [ nix home-manager git ];
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}
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