Merge pull request #264008 from arcnmx/xmrig-mainProgram

xmrig: add meta.mainProgram

nixos/modules/services/misc/xmrig.nix

···
       after = [ "network.target" ];
       description = "XMRig Mining Software Service";
       serviceConfig = {
-        ExecStartPre = "${cfg.package}/bin/xmrig --config=${configFile} --dry-run";
-        ExecStart = "${cfg.package}/bin/xmrig --config=${configFile}";
+        ExecStartPre = "${lib.getExe cfg.package} --config=${configFile} --dry-run";
+        ExecStart = "${lib.getExe cfg.package} --config=${configFile}";
         # https://xmrig.com/docs/miner/randomx-optimization-guide/msr
         # If you use recent XMRig with root privileges (Linux) or admin
         # privileges (Windows) the miner configure all MSR registers

pkgs/applications/misc/xmrig/default.nix

···
     description = "Monero (XMR) CPU miner";
     homepage = "https://github.com/xmrig/xmrig";
     license = licenses.gpl3Plus;
+    mainProgram = "xmrig";
     platforms = platforms.unix;
     maintainers = with maintainers; [ kim0 ];
   };

pkgs/applications/misc/xmrig/moneroocean.nix

···
     description = "A fork of the XMRig CPU miner with support for algorithm switching";
     homepage = "https://github.com/MoneroOcean/xmrig";
     license = licenses.gpl3Plus;
+    mainProgram = "xmrig";
     platforms = platforms.unix;
     maintainers = with maintainers; [ j0hax ];
   };