A script to generate an APT mirrors.list file from the official ubuntu mirrors list.

generate-ubuntu-mirrors-list.sh

#!/bin/bash

NETSELECT_VERSION="0.3.ds1-29"

echo -n "Checking netselect installation status..." >/dev/stderr
INSTALLED=$(dpkg --list | egrep -iw netselect | egrep '^ii')

if [ "${INSTALLED}" != "" ]; then
    echo "INSTALLED!" >/dev/stderr
else
    echo "MISSING" >/dev/stderr

    DOWNLOAD_URL="https://ftp.debian.org/debian/pool/main/n/netselect/netselect_${NETSELECT_VERSION}_amd64.deb"
    TMPFILE="/tmp/${NETSELECT_VERSION}"

    echo -n "Downloading netselect..." >/dev/stderr
    wget -qO ${TMPFILE} ${DOWNLOAD_URL}
    RES=$?

    if [ ! -f ${TMPFILE} ]; then
        echo "ERROR!" >/dev/stderr
        echo "Got [${RES}] while downloading netselect. Bailing." >/dev/stderr
        exit 1
    else
        echo "DONE" >/dev/stderr
    fi

    echo -n "Installing netselect..." >/dev/stderr
    sudo dpkg -i ${TMPFILE} >/dev/null
    RES=$?

    if [ ! -f ${TMPFILE} ]; then
        echo "ERROR!" >/dev/stderr
        echo "Got [${RES}] while installing netselect. Bailing." >/dev/stderr
        exit 2
    else
        echo "DONE" >/dev/stderr
    fi
fi

TEMPLATE=$(cat /etc/apt/sources.list | egrep -v '^(#|$)|security' | egrep '^deb\ .*\ (main|restricted|universe|multiverse)' | perl -pe 's|deb\ http.*/\ (.*)|deb REPO $1|g')
EXCLUDE_HOSTS=$(cat /etc/apt/sources.list | egrep ^deb | awk -F'/' '{ print $3 }' | sort -u | xargs | sed 's/ /|/g')

echo "Finding mirrors..." >/dev/stderr
MIRRORS_DATA=$(wget -qO - mirrors.ubuntu.com/mirrors.txt | egrep -v ${EXCLUDE_HOSTS} | egrep https | xargs)

sudo netselect -s 5 -t 40 ${MIRRORS_DATA} | awk '{print $2 }' | head -5 | while read MIRROR_URL; do
    echo "${TEMPLATE}" | sed "s|REPO|${MIRROR_URL}|g"
done