Script to download packages in debian linux with all dependencies for installation in offline servers

debian-package-downloader

#!/bin/bash

function contains() {
    local n=$#
    local value=${!n}
    for ((i=1;i < $#;i++)) {
            if [ "${!i}" == "${value}" ]; then
                echo "y"
                return 0
            fi
    }
    echo "n"
    return 1
}

download_all() {
    # Download package itself
    echo Download $1
    sudo apt-get download $1
    echo -e "All: ${packages[@]}"
    # Download dependencies
    for i in $(apt-cache depends $1 | grep -E 'Depends' | cut -d ':' -f 2,3 | sed -e s/'<'/''/ -e s/'>'/''/); do
            # Check if package already been downloaded)
            if [ $(contains "${packages[@]}" "$i") == "n" ]; then
                    # Add the package
                    packages+=($i);
                    # download the package + dependencies recursivly
                    download_all $i;
            fi
    done
}


# ==== Main =====
declare -a packages
# TODO: add for loop here to support multi argument in the script
packages=($1)
download_all $1