102 lines
1.8 KiB
Markdown
102 lines
1.8 KiB
Markdown
# flakes
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Do not forget to `git add` the `flake.nix` file! Or you'll face the `does not exist` error.
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```sh
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> nix flake check
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> nix build
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> nix flake show
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```
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## Simplying
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First step:
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```nix
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{
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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};
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outputs = inputs: {
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packages."x86_64-linux".default = derivation {
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name = "simple";
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builder = "${inputs.nixpkgs.legacyPackages."x86_64-linux".bash}/bin/bash";
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args = [ "-c" "echo foo > $out" ];
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src = ./.;
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system = "x86_64-linux";
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};
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};
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}
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```
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Second step:
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```nix
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{
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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};
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outputs = { self, nixpkgs }: {
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packages."x86_64-linux".default = derivation {
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name = "simple";
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builder = "${nixpkgs.legacyPackages."x86_64-linux".bash}/bin/bash";
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args = [ "-c" "echo foo > $out" ];
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src = ./.;
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system = "x86_64-linux";
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};
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};
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}
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```
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Third:
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```nix
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{
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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};
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outputs = { self, nixpkgs }:
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let
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system = "x86_64-linux";
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in
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{
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packages.${system}.default = derivation {
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name = "simple";
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builder = "${nixpkgs.legacyPackages.${system}.bash}/bin/bash";
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args = [ "-c" "echo foo > $out" ];
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src = ./.;
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system = system;
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};
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};
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}
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```
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Fourth:
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```nix
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{
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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};
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outputs = { self, nixpkgs }:
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let
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name = "simple";
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system = "x86_64-linux";
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pkgs = nixpkgs.legacyPackages.${system};
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src = ./.;
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in
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{
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packages.${system}.default = derivation {
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inherit name src system;
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builder = with pkgs; "${bash}/bin/bash";
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args = [ "-c" "echo foo > $out" ];
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};
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};
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}
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```
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