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Fix examples to work with Nix >= 2.7 (#467)

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Charlie Groves 2022-05-08 22:18:17 -04:00 committed by GitHub
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blog/nix-flakes-1-2022-02-21.markdown
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@ -207,12 +207,12 @@ Let's take a closer look at the higher level things in the flake:
your `flake.nix`. Ditto with "flake input" referring to the `inputs` attribute your `flake.nix`. Ditto with "flake input" referring to the `inputs` attribute
of your `flake.nix`.](conversation://Cadey/enby) of your `flake.nix`.](conversation://Cadey/enby)
When you ran `nix build` earlier, it defaulted to building the package in When you ran `nix build` earlier, it defaulted to building the `default` entry
`defaultPackage`. You can also build the `go-hello` package by running this in `packages`. You can also build the `default` package by running this
command: command:
```console ```console
$ nix build .#go-hello $ nix build .#default
``` ```
And if you want to build the copy I made for this post: And if you want to build the copy I made for this post:
@ -234,11 +234,13 @@ simplify that above `nix build` and `./result/bin/go-hello` cycle into a single
`go-hello` to be the default app: `go-hello` to be the default app:
```nix ```nix
# below defaultPackage # below packages
defaultApp = forAllSystems (system: { apps = forAllSystems (system: {
default = {
type = "app"; type = "app";
program = "${self.packages.${system}.go-hello}/bin/go-hello"; program = "${self.packages.${system}.default}/bin/go-hello";
};
}); });
``` ```
@ -281,8 +283,10 @@ can add it to your `flake.nix` using this:
devShell = forAllSystems (system: devShell = forAllSystems (system:
let pkgs = nixpkgsFor.${system}; let pkgs = nixpkgsFor.${system};
in pkgs.mkShell { in {
buildInputs = with pkgs; [ go gopls goimports go-tools ]; default = pkgs.mkShell {
buildInputs = with pkgs; [ go gopls gotools go-tools ];
};
}); });
``` ```