feat: allow use of desc: id for mainMonitor

common/vars.nix

@@ -27,9 +27,10 @@
     };
 
     mainMonitor = mkOption {
-      type = types.nullOr types.str;
+      type = types.str;
       description = ''
-        The name of the main monitor used for Hyprland and Regreet
+        The name of the main monitor used for Hyprland
+        and Regreet which also uses Hyprland
       '';
       default = "null";
     };

devices/binto/default.nix

@@ -18,7 +18,7 @@
   vars = {
     user = "matt";
     hostName = "binto";
-    mainMonitor = "DP-5";
+    mainMonitor = "desc:GIGA-BYTE TECHNOLOGY CO. LTD. G27QC 0x00000B1D";
     greetdDupe = false;
     fontSize = 12.5;
   };

modules/greetd/default.nix

@@ -23,16 +23,20 @@
 
   # Show Regreet on all monitors
   dupeMonitors = pkgs.writeShellScriptBin "dupeMonitors" ''
-    names=($(${hyprBin}/hyprctl -j monitors | ${pkgs.jq}/bin/jq -r '.[] .name'))
     main="${config.vars.mainMonitor}"
+    names=($(${hyprBin}/hyprctl -j monitors | ${pkgs.jq}/bin/jq -r '.[] .description'))
 
-    if [[ $(echo "$main") == "null" ]]; then
+    if [[ "$main" == "null" ]]; then
         main="''${names[0]}"
     fi
 
     for (( i=0; i<''${#names[@]}; i++ )); do
-        if [[ ''${names[$i]} != "$main" ]]; then
+
-          ${hyprBin}/hyprctl keyword monitor ''${names[$i]},preferred,auto,1,mirror,"$main"
+        name=$(echo "''${names[$i]}" | sed 's/.*(\(.*\))/\1/')
+        desc=$(echo "''${names[$i]}" | sed 's/ (.*//')
+
+        if [[ "$name" != "$main" && "desc:$desc" != "$main" ]]; then
+          ${hyprBin}/hyprctl keyword monitor "$name",preferred,auto,1,mirror,"$main"
         fi
     done
   '';