Package alttpo/sni as a flake.

.gitignore

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+result

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1702645756,
+        "narHash": "sha256-qKI6OR3TYJYQB3Q8mAZ+DG4o/BR9ptcv9UnRV2hzljc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "40c3c94c241286dd2243ea34d3aef8a488f9e4d0",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-23.11",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Super Nintendo Interface";
+
+  # Nixpkgs / NixOS version to use.
+  inputs.nixpkgs.url = "nixpkgs/nixos-23.11";
+
+  outputs = {
+    self,
+    nixpkgs,
+  }: let
+    # to work with older version of flakes
+    lastModifiedDate = self.lastModifiedDate or self.lastModified or "19700101";
+
+    version = "0.0.95";
+
+    # System types to support.
+    supportedSystems = ["x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin"];
+
+    # Helper function to generate an attrset '{ x86_64-linux = f "x86_64-linux"; ... }'.
+    forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+
+    # Nixpkgs instantiated for supported system types.
+    nixpkgsFor = forAllSystems (system: import nixpkgs {inherit system;});
+  in {
+    # Provide some binary packages for selected system types.
+    packages = forAllSystems (system: let
+      pkgs = nixpkgsFor.${system};
+    in rec {
+      default = sni;
+
+      sni = pkgs.buildGoModule {
+        pname = "sni";
+        inherit version;
+
+        src = pkgs.fetchFromGitHub {
+          owner = "alttpo";
+          repo = "sni";
+          rev = "v${version}";
+          hash = "sha256-lk4RIeObwdyTJzPcDYhSxkT9VG8Y6FWnsHQcjGJdfwI=";
+        };
+
+        buildInputs = with pkgs; [
+          gtk3.dev
+          libayatana-appindicator.dev
+        ];
+        nativeBuildInputs = [
+          pkgs.pkg-config
+        ];
+
+        subPackages = "./cmd/sni";
+
+        # This hash locks the dependencies of this package. It is
+        # necessary because of how Go requires network access to resolve
+        # VCS.  See https://www.tweag.io/blog/2021-03-04-gomod2nix/ for
+        # details. Normally one can build with a fake sha256 and rely on native Go
+        # mechanisms to tell you what the hash should be or determine what
+        # it should be "out-of-band" with other tooling (eg. gomod2nix).
+        # To begin with it is recommended to set this, but one must
+        # remeber to bump this hash when your dependencies change.
+        vendorHash = "sha256-hvIfGu7SQ+OV5iPYlvuOIpE9OqMLRCuUpl5YCpsmBWI=";
+
+        meta = with pkgs.lib; {
+          description = "An interface that allows multiple concurrent applications to access various kinds of Super Nintendo devices connected to the computer";
+          homepage = "https://github.com/alttpo/sni";
+          license = licenses.mit;
+          maintainers = with maintainers; [island_usurper];
+        };
+      };
+    });
+  };
+}