nuget-to-nix: generate SRI hash instead of sha256

pkgs/build-support/dotnet/nuget-to-nix/nuget-to-nix.sh

@@ -65,11 +65,11 @@ for package in *; do
     for source in "${remote_sources[@]}"; do
       url="${base_addresses[$source]}$package/$version/$package.$version.nupkg"
       if [[ "$source" == "$used_source" ]]; then
-        sha256="$(nix-hash --type sha256 --flat --base32 "$version/$package.$version".nupkg)"
+        hash="$(nix-hash --type sha256 --flat --sri "$version/$package.$version".nupkg)"
         found=true
         break
       else
-        if sha256=$(nix-prefetch-url "$url" 2>"$tmp"/error); then
+        if hash=$(nix-prefetch-url "$url" 2>"$tmp"/error); then
           # If multiple remote sources are enabled, nuget will try them all
           # concurrently and use the one that responds first. We always use the
           # first source that has the package.
@@ -91,9 +91,9 @@ for package in *; do
     fi
 
     if [[ "$source" != https://api.nuget.org/v3/index.json ]]; then
-      echo "  (fetchNuGet { pname = \"$id\"; version = \"$version\"; sha256 = \"$sha256\"; url = \"$url\"; })"
+      echo "  (fetchNuGet { pname = \"$id\"; version = \"$version\"; hash = \"$hash\"; url = \"$url\"; })"
     else
-      echo "  (fetchNuGet { pname = \"$id\"; version = \"$version\"; sha256 = \"$sha256\"; })"
+      echo "  (fetchNuGet { pname = \"$id\"; version = \"$version\"; hash = \"$hash\"; })"
     fi
   done
   cd ..