templates: cleanup

1 files changed, 69 insertions, 0 deletions

diff --git a/templates/standard/flake.nix b/templates/standard/flake.nix
new file mode 100644
index 0000000..9c80e4b
--- /dev/null
+++ b/templates/standard/flake.nix
@@ -0,0 +1,69 @@
+{
+  description = "";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+  outputs =
+    { self, nixpkgs }:
+    let
+      inherit (nixpkgs) lib;
+
+      systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ];
+
+      forAllSystems = lib.genAttrs systems;
+      nixpkgsFor = nixpkgs.legacyPackages;
+    in
+    {
+      checks = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgsFor.${system};
+
+          mkCheck =
+            name: deps: script:
+            pkgs.runCommand name { nativeBuildInputs = deps; } script;
+        in
+        {
+          nixfmt = mkCheck "check-nixfmt" [ pkgs.nixfmt-rfc-style ] ''
+            nixfmt --check ${self}
+
+            touch $out
+          '';
+        }
+      );
+
+      devShells = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgsFor.${system};
+        in
+        {
+          default = pkgs.mkShell {
+            packages = [ pkgs.bash ];
+
+            inputsFrom = [ self.packages.${system}.hello ];
+          };
+        }
+      );
+
+      formatter = forAllSystems (system: nixpkgsFor.${system}.nixfmt-rfc-style);
+
+      packages = forAllSystems (
+        system:
+        let
+          pkgs = import ./default.nix {
+            pkgs = nixpkgsFor.${system};
+          };
+
+          isAvailable = lib.meta.availableOn { inherit system; };
+          pkgs' = lib.filterAttrs (_: isAvailable) pkgs;
+        in
+        pkgs // { default = pkgs'.hello or pkgs.emptyFile; }
+      );
+    };
+}