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Improve nix flake templates

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jD91mZM2 2020-11-21 12:54:54 +01:00 committed by Nicolas Mattia
parent ce273fa593
commit 76c537807c
1 changed files with 80 additions and 19 deletions
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99
README.md
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@ -103,31 +103,92 @@ naersk.buildPackage ./my-package
[niv]: https://github.com/nmattia/niv
## Using with Nix Flakes
Copy this `flake.nix` into your repo.
```nix
{
Copy this `flake.nix` into your repo.
``` nix
{
inputs = {
naersk.url = "github:nmattia/naersk/master";
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
utils.url = "github:numtide/flake-utils";
naersk.url = "github:nmattia/naersk";
};
outputs = { self, nixpkgs, utils, naersk }:
utils.lib.eachDefaultSystem (system:
let
pkgs = import nixpkgs { inherit system; };
naersk-lib = pkgs.callPackage naersk { };
in {
utils.lib.eachDefaultSystem (system: let
pkgs = nixpkgs.legacyPackages."${system}";
naersk-lib = naersk.lib."${system}";
in rec {
# `nix build`
packages.my-project = naersk-lib.buildPackage {
pname = "my-project";
root = ./.;
};
defaultPackage = packages.my-project;
defaultPackage = naersk-lib.buildPackage ./.;
# If you have a default binary in your project, add path to it here
# defaultApp = {
# type = "app";
# program = "${self.defaultPackage."${system}"}/bin/%BINARY_PATH_HERE%";
# };
});
# `nix run`
apps.my-project = utils.lib.mkApp {
drv = packages.my-project;
};
defaultApp = apps.my-project;
# `nix develop`
devShell = pkgs.mkShell {
nativeBuildInputs = with pkgs; [ rustc cargo ];
};
});
}
```
If you want to use a specific toolchain version instead of the latest stable
available in nixpkgs, you can use mozilla's nixpkgs overlay in your flake.
``` nix
{
inputs = {
utils.url = "github:numtide/flake-utils";
naersk.url = "github:nmattia/naersk";
mozillapkgs = {
url = "github:mozilla/nixpkgs-mozilla";
flake = false;
};
};
outputs = { self, nixpkgs, utils, naersk, mozillapkgs }:
utils.lib.eachDefaultSystem (system: let
pkgs = nixpkgs.legacyPackages."${system}";
# Get a specific rust version
mozilla = pkgs.callPackage (mozillapkgs + "/package-set.nix") {};
rust = (mozilla.rustChannelOf {
date = "2020-01-01"; # get the current date with `date -I`
channel = "nightly";
sha256 = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
}).rust;
# Override the version used in naersk
naersk-lib = naersk.lib."${system}".override {
cargo = rust;
rustc = rust;
};
in rec {
# `nix build`
packages.my-project = naersk-lib.buildPackage {
pname = "my-project";
root = ./.;
};
defaultPackage = packages.my-project;
# `nix run`
apps.my-project = utils.lib.mkApp {
drv = packages.my-project;
};
defaultApp = apps.my-project;
# `nix develop`
devShell = pkgs.mkShell {
# supply the specific rust version
nativeBuildInputs = [ rust ];
};
});
}
```