dotnet: use bash instead of tr to downcase package ids

Changed files
+3 -2
pkgs
development
compilers
dotnet
+3 -2
pkgs/development/compilers/dotnet/packages.nix
···
-m /_:package/_:metadata \
-v _:id -nl \
-v _:version -nl \
-
"$package"/*.nuspec \
-
| tr A-Z a-z | (
+
"$package"/*.nuspec | (
read id
read version
+
id=''${id,,}
+
version=''${version,,}
mkdir -p "$packages"/share/nuget/packages/"$id"
cp -r "$package" "$packages"/share/nuget/packages/"$id"/"$version"
echo {} > "$packages"/share/nuget/packages/"$id"/"$version"/.nupkg.metadata