to be ran in a docker container - get the list of debs a list of packages installs for monero-gui Dockerfile.linux

get_debs.sh

#!/bin/bash

# Generate the tuple containing required debs '"download path" "filename" "md5sum"'
parse_apt_uris() {
    local packagelist=$2
    local formatted_strings=()
    local tuple_name=$1
    # Multi line comment https://stackoverflow.com/a/43158193
    #: ' 
    apt-get update >/dev/null 2>&1

    # due to scoping issues with pipes we have to process captured_output outside of the wihle loop 
    # for some reason --no-install-recommends breaks when we build the git repos 
    captured_output=$(apt-get install --print-uris --yes --no-install-recommends \
    $packagelist | grep \'http | while read -r line; do
    #'
        #line="'http://archive.ubuntu.com/ubuntu/pool/main/m/mesa/filaneme.deb' filaname.deb size MD5Sum:hash"
        stringarray=($line) # https://stackoverflow.com/a/13402368
        url=${stringarray[0]:1:-1} # remove single quotes via substring https://stackoverflow.com/a/428580
        # Strip the domain and depth further into the slashes (adjustable) to for mirror file path
        # Split using https://stackoverflow.com/a/5257398 then paramater expansion magic
        url_split=(${url//\// })
        depth=3
        rebuilt_url=$(printf "%s/" "${url_split[@]:$depth}"); rebuilt_url="${rebuilt_url:0:-1}" # remove trailing slash
        # todo filename isnt the tail uri, use actual OS filename arg2
        #filename="${url##*/}" #https://stackoverflow.com/a/39823597
        filename=${stringarray[1]}
        size=${stringarray[2]}
        md5=${stringarray[3]}
        parsed_md5=${md5#*:} # https://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html
        #"pool/.../-1.5_amd64.deb" "libatm1_2.5.1-1.5_amd64.deb" "660841797374d33e8cafd0f541bea7cf"
        # we will split later using "::"
        printf '"%s" "%s" "%s"::' $rebuilt_url $filename $parsed_md5
        # append formatted string to a list for printing later
    done)
    #formatted_strings_list=(${formatted_strings//::/ })
    IFS='::' read -ra formatted_strings_list <<< "$captured_output"

    echo "$tuple_name=("
    for item in "${formatted_strings_list[@]}"; do
        # don't echo empty items
        [[ -n "$item" ]] && echo "    $item"
    done
    echo ")"
}

#parse_apt_uris "debs_downloader_linux" "automake autopoint bison gettext git gperf libgl1-mesa-dev libglib2.0-dev libpng-dev libpthread-stubs0-dev libsodium-dev libtool-bin libudev-dev libusb-1.0-0-dev mesa-common-dev pkg-config python wget xutils-dev"
parse_apt_uris "debs_gitcloner" "git ca-certificates"
#parse_apt_uris "debs_downloader_windows" "build-essential cmake g++-mingw-w64 gettext git libtool pkg-config python"