Update XDG config and distributed builds settings

- Add mimeapps.list creation for KDE desktops in default.nix
- Modify distributed builds settings for local-machine.nix
- Update supportedFeatures and add speedFactor, maxJobs in local-machine.nix.

home/common/optional/desktop/common/xdg/default.nix

@@ -1,4 +1,5 @@
-{pkgs, ...}: {
+{pkgs, config, lib, ...}: {
+
   xdg.desktopEntries = {
     firefox = {
       name = "Firefox";
@@ -31,8 +32,11 @@
     };
   };
 
+  # Forces creation of mimeapps.list if hm link has been overwritten by another application
+  # https://discourse.nixos.org/t/home-manager-and-the-mimeapps-list-file-on-plasma-kde-desktops/37694
+  xdg.configFile."mimeapps.list" = lib.mkIf config.xdg.mimeApps.enable { force = true; };
   xdg.mimeApps = {
-    enable = true;
+    enable = lib.mkDefault true;
     defaultApplications = {
       "application/pdf" = "zathura-wrapper.desktop";
 

hosts/common/optional/distributed_builds/local-machine.nix

@@ -10,9 +10,11 @@ in
     {
       hostName = remoteMachineIp;
       sshUser = "remotebuild";
+      speedFactor = 1;
+      maxJobs = 10;
       sshKey = "/root/.ssh/remotebuild";
       system = pkgs.stdenv.hostPlatform.system;
-      supportedFeatures = [ "nixos-test" "big-parallel" "kvm" ];
+      supportedFeatures = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
     }
   ];