WIP: flake-ify radicle-git

Signed-off-by: Fintan Halpenny <fintan.halpenny@gmail.com>
X-Clacks-Overhead: GNU Terry Pratchett

default.nix

@@ -8,24 +8,24 @@ let
   # TODO: remove once cargo-nextest is available in nixpkgs stable
   cargo-nextest = (pkgs.callPackage ./nix/cargo-nextest/default.nix { });
 in
-  with pkgs;
-  mkShell {
-    name = "build";
-    buildInputs = [
-        # cargo tooling
-        cargo-deny
-        cargo-nextest
-        cargo-watch
-        pkgs.rust-bin.nightly."2022-07-01".rustfmt
+with pkgs;
+mkShell {
+  name = "build";
+  buildInputs = [
+    # cargo tooling
+    cargo-deny
+    cargo-nextest
+    cargo-watch
+    pkgs.rust-bin.nightly."2022-07-01".rustfmt
 
-        # hard dependencies
-        cmake
-        openssl
-        pkgconfig
-        rust-overlay
+    # hard dependencies
+    cmake
+    openssl
+    pkgconfig
+    rust-overlay
 
-        # testing utilities
-        gettext # for `envsubst`
-        socat
-    ];
-  }
+    # testing utilities
+    gettext # for `envsubst`
+    socat
+  ];
+}

flake.nix

@@ -0,0 +1,65 @@
+{
+  description = "Radicle Git";
+
+  # Can use `input.` instead
+  outputs = { self, nixpkgs, systems, flake-utils, rust-overlay, treefmt-nix, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [ rust-overlay.overlays.default ];
+        };
+
+        # Small tool to iterate over each systems
+        treefmtEval = treefmt-nix.lib.evalModule pkgs {
+          # Used to find the project root
+          projectRootFile = "flake.nix";
+          programs.nixpkgs-fmt.enable = true;
+          programs.rustfmt.package = pkgs.rust-bin.nightly."2022-07-01".rustfmt;
+          programs.rustfmt.enable = true;
+        };
+      in
+      {
+        devShells.default = import ./shell.nix { inherit pkgs; };
+
+        # formatter = pkgs.alejandra;
+        # for `nix fmt`
+        formatter = treefmtEval.config.build.wrapper;
+        # for `nix flake check`
+        checks = {
+          # ci = pkgs.runCommand "ci/run" {
+          #   src = ./.;
+          #   _noChroot = true;
+          #   nativeBuildInputs = self.devShells.${system}.default.nativeBuildInputs ++ [ pkgs.cargo pkgs.rust-bin.nightly."2022-07-01".rustfmt pkgs.clippy ];
+          # } ''
+          #   set -eou pipefail
+
+          #   HOME=$(pwd)/rust-build
+          #   mkdir $HOME
+          #   export HOME
+
+          #   mkdir $HOME/.cargo -p
+          #   chmod +w -R $HOME/.cargo
+
+          #   cp $src ./build -r
+          #   cd ./build
+
+          #   cargo fmt -- --check
+          #   bash ./scripts/ci/lint
+          #   bash ./scripts/ci/build
+          #   bash ./scripts/ci/test
+          #   bash ./scripts/ci/docs
+          #   bash ./scripts/ci/advisory
+          # '';
+          formatting = treefmtEval.config.build.check self;
+        };
+      }
+    );
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-23.05";
+    rust-overlay.url = "https://github.com/oxalica/rust-overlay/archive/673e2d3d2a3951adc6f5e3351c9fce6ad130baed.tar.gz";
+    treefmt-nix.url = "github:numtide/treefmt-nix";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+}

nix/cargo-nextest/default.nix

@@ -22,8 +22,6 @@ rustPlatform.buildRustPackage rec {
   buildInputs = [
     openssl
     libiconv
-  ] ++ lib.optionals stdenv.isDarwin [
-    Security
   ];
 
   doCheck = false;

shell.nix

@@ -8,16 +8,16 @@ let
   rust-overlay = stable.override {
     extensions = [ "rust-src" "rust-analysis" ];
   };
-  devault = (pkgs.callPackage ./default.nix {});
+  devault = (pkgs.callPackage ./default.nix { });
 in
-  with pkgs;
-  mkShell {
-    name = "development";
-    buildInputs = devault.buildInputs ++ [
-        clang
-        lld
+with pkgs;
+mkShell {
+  name = "development";
+  buildInputs = devault.buildInputs ++ [
+    clang
+    lld
 
-        ripgrep
-        rust-analyzer
-    ];
-  }
+    ripgrep
+    rust-analyzer
+  ];
+}