Just use POSIX-compatible sh instead of bash. It's also not hard to use mostly POSIX-compatible commands (grep, sed, cat, cp, mkdir ...). For scripts where you

Just use POSIX-compatible sh instead of bash. It's also not hard to use mostly POSIX-compatible commands (grep, sed, cat, cp, mkdir ...). For scripts where you need something unstandardized, say, imagemagick, you would wind up with up with a dependency in most other languages as well.