cargo-recursive-clean

#!/usr/bin/ion

let pwd = @(pwd)

for dir in @split(@(exa -D))
    cd $pwd/$dir
    echo -e "\nIn $pwd/$dir"
    if test -f Cargo.toml && not test -f rust-toolchain
        echo -e "Cleaning $dir"
        cargo clean
    end
    for ndir in @split(@(exa -D))
        if test -f $ndir/Cargo.toml
            cargo-recursive-clean
        end
    end
end