Initial commit

0001-patch-install-path.patch

@@ -0,0 +1,16 @@
+diff --git a/Makefile b/Makefile
+index bac0711..0e17fc4 100644
+--- a/Makefile
++++ b/Makefile
+@@ -30,8 +30,9 @@ RemoteCommand:	Log.o RemoteCommand.o UDPSocket.o
+ 
+ .PHONY install:
+ install: all
+-		install -m 755 MMDVMHost /usr/local/bin/
+-		install -m 755 RemoteCommand /usr/local/bin/
++		mkdir -p ${out}/bin
++		install -m 755 MMDVMHost ${out}/bin/
++		install -m 755 RemoteCommand ${out}/bin/
+ 
+ .PHONY install-service:
+ install-service: install /etc/MMDVM.ini

0002-fix-missing-include.patch

@@ -0,0 +1,12 @@
+diff --git a/M17Utils.cpp b/M17Utils.cpp
+index 4462c9b..a65ca13 100644
+--- a/M17Utils.cpp
++++ b/M17Utils.cpp
+@@ -20,6 +20,7 @@
+ #include "M17Defines.h"
+ 
+ #include <cassert>
++#include <cstdint>
+ 
+ const std::string M17_CHARS = " ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-/.";
+ 

0003-fix-null-controller.patch

@@ -0,0 +1,22 @@
+diff --git a/NullController.cpp b/NullController.cpp
+index edfeffe..598b783 100644
+--- a/NullController.cpp
++++ b/NullController.cpp
+@@ -20,6 +20,7 @@
+ 
+ #include <cstdio>
+ #include <cassert>
++#include <cstdint>
+ 
+ const unsigned char MMDVM_FRAME_START = 0xE0U;
+ 
+@@ -120,7 +121,8 @@ void CNullController::writeVersion()
+ 	::memset(reply + 7U, 0x00U, 16U);
+ 
+ 	uint8_t count = 23U;
+-	for (uint8_t i = 0U; HARDWARE[i] != 0x00U; i++, count++)
++	uint8_t i = 0;
++	for (i = 0U; HARDWARE[i] != 0x00U; i++, count++)
+ 		reply[count] = HARDWARE[i];
+ 
+ 	reply[1U] = count;

default.nix

@@ -0,0 +1,20 @@
+{ stdenv, fetchFromGitHub, ... }:
+
+stdenv.mkDerivation {
+  pname = "MMDVMHost";
+  version = "yolo";
+
+  src = fetchFromGitHub {
+    owner = "g4klx";
+    repo = "MMDVMHost";
+    rev = "b02560ccbc02bdb076b77aaef3e70655a714cd36";
+    sha256 = "sha256-y9mreTIsQuKr1HlUGuSZIdry9f1yFXkbEKKzAaK79v0=";
+  };
+
+  patches = [
+    ./0001-patch-install-path.patch
+    ./0002-fix-missing-include.patch
+    ./0003-fix-null-controller.patch
+  ];
+
+}

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1717179513,
+        "narHash": "sha256-vboIEwIQojofItm2xGCdZCzW96U85l9nDW3ifMuAIdM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "63dacb46bf939521bdc93981b4cbb7ecb58427a0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,26 @@
+{
+  description = "A flake for mmdvm DL0XK patches.";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/24.05";
+  };
+
+
+  outputs = inputs@{ self, nixpkgs, ... }:
+    let
+      lib = nixpkgs.lib;
+    in
+    {
+      formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixpkgs-fmt;
+
+      packages = {
+        x86_64-linux = {
+          default = nixpkgs.legacyPackages.x86_64-linux.callPackage ./default.nix { };
+        };
+      };
+
+      nixosModules.default = { config, pkgs, ... }: {
+        imports = [ ./module.nix ];
+        _module.args.mmdvm_host = self.packages;
+      };
+    };
+}

module.nix

@@ -0,0 +1,50 @@
+{ lib, config, pkgs, mmdvm_host, ... }:
+with lib;
+let
+  # Shorter name to access final settings a 
+  # user of hello.nix module HAS ACTUALLY SET.
+  # cfg is a typical convention.
+  cfg = config.services.mmdvm_host;
+in
+{
+
+  options.services.mmdvm_host = {
+    enable = mkEnableOption "mmdvm host service";
+    package = mkOption {
+      default = mmdvm_host.x86_64-linux.default;
+      type = types.package;
+    };
+    user = mkOption {
+      type = types.str;
+      default = "afg";
+    };
+  };
+
+
+  config = mkIf cfg.enable {
+    # List packages installed in system profile. To search, run:
+    # $ nix search wget
+    environment.systemPackages = [
+      cfg.package
+    ];
+
+    systemd.services.mmdvm_host = {
+      wantedBy = [ "multi-user.target" ];
+      wants = [ "network.target" ];
+      after = [ "network.target" ];
+      description = "mmdvm_host service";
+      serviceConfig = {
+        Type = "exec";
+        User = cfg.user;
+        Restart = "always";
+        RestartSec = "3s";
+        StartLimitIntervalSec = "0";
+        RuntimeDirectory = "mmdvm_host";
+      };
+      script = ''
+        exec ${cfg.package}/bin/mmdvm_host
+      '';
+    };
+  };
+
+}

result

@@ -0,0 +1 @@
+/nix/store/qq596qk2sm7jkn7kwpagq38aq4pggmph-MMDVMHost-yolo