PortValhalla/scripts/copy-repo.fish

#!/bin/env fish
begin
    set -l target "$argv[1]"
    set -l dir "$(status dirname)/.."
    git clone "$dir" "$target"
    git -C "$dir" diff HEAD | git -C "$target" apply --allow-empty &> /dev/null

    and git -C "$dir" ls-files --exclude-standard --others | \
        while read file
            and cp "$dir/$file" "$target/$file"
        end
end