ryujinx: Use nuget-to-nix in updater script

pkgs/misc/emulators/ryujinx/updater.sh

@@ -1,5 +1,5 @@
 #! /usr/bin/env nix-shell
-#! nix-shell -i bash -p coreutils gnused curl common-updater-scripts nix-prefetch-git jq dotnet-sdk_5
+#! nix-shell -i bash -p coreutils gnused curl common-updater-scripts nuget-to-nix nix-prefetch-git jq dotnet-sdk_5
 set -eo pipefail
 cd "$(dirname "${BASH_SOURCE[0]}")"
 
@@ -47,21 +47,7 @@ EOF
 
 dotnet restore Ryujinx.sln --configfile ./nuget_tmp.config
 
-echo "{ fetchNuGet }: [" >"$deps_file"
-while read pkg_spec; do
-  { read pkg_name; read pkg_version; } < <(
-    # Build version part should be ignored: `3.0.0-beta2.20059.3+77df2220` -> `3.0.0-beta2.20059.3`
-    sed -nE 's/.*<id>([^<]*).*/\1/p; s/.*<version>([^<+]*).*/\1/p' "$pkg_spec")
-  pkg_sha256="$(nix-hash --type sha256 --flat --base32 "$(dirname "$pkg_spec")"/*.nupkg)"
-  cat >>"$deps_file" <<EOF
-  (fetchNuGet {
-    name = "$pkg_name";
-    version = "$pkg_version";
-    sha256 = "$pkg_sha256";
-  })
-EOF
-done < <(find ./nuget_tmp.packages -name '*.nuspec' | sort)
-echo "]" >>"$deps_file"
+nuget-to-nix ./nuget_tmp.packages > "$deps_file"
 
 popd
 rm -r "$src"