[Termux] Cursh CLI Install

function crush_install
    set -l url $argv[1]

    if test -z "$url"
        echo "Usage: crush_install <url>"
        return 1
    end

    set -l filename (basename $url)
    set -l archive_name (string replace -r '\.tar\.gz$' '' $filename)

    cd ~/bin

    curl -LO $url

    tar -xzf $filename

    rm $filename
    rm -rf crush-cli/

    mv $archive_name crush-cli
end