Add config for Earthworm (#19)

home-manager/rider/default.nix

@@ -0,0 +1,49 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  src = ./GlobalSettingsStorage.DotSettings;
+in let
+  link = ./link.sh;
+in let
+  riderconfig = pkgs.stdenv.mkDerivation {
+    name = "rider-config";
+    version = "2023.1";
+    __contentAddressed = true;
+
+    src = src;
+    phases = ["unpackPhase"];
+    unpackPhase = ''
+      mkdir -p "$out"
+      cp ${src} "$out/GlobalSettingsStorage.DotSettings"
+      cp ${link} "$out/link.sh"
+      chmod u+x "$out/link.sh"
+      sed -i 's_NIX-DOTNET-SDK_${config.rider.dotnet}_' "$out/GlobalSettingsStorage.DotSettings"
+      sed -i "s!NIX-RIDER-CONFIG!$out!" "$out/link.sh"
+    '';
+
+    installPhase = ''
+    '';
+  };
+in {
+  options = {
+    rider.enable = lib.mkOption {default = false;};
+    rider.username = lib.mkOption {
+      type = lib.types.str;
+      example = "Patrick";
+    };
+    rider.dotnet = lib.mkOption {default = pkgs.dotnet-sdk;};
+  };
+
+  config = lib.mkIf config.rider.enable {
+    home.activation.jetbrains-rider-settings = lib.hm.dag.entryAfter ["writeBoundary"] ''
+
+      dest="/Users/${config.rider.username}/Library/Application Support/JetBrains"
+      if [ -e "$dest" ]; then
+        find "$dest" -maxdepth 1 -type d -name 'Rider*' -exec sh -c '${riderconfig}/link.sh "$0"' {} \;
+      fi
+    '';
+  };
+}