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#! /bin/bash
set -euo pipefail
function join_by { local IFS="$1"; shift; echo "$*"; }
usage () {
echo "Usage: $0 [i686|dual]"
}
if [ "$#" -eq 0 ] ; then
echo "No architecture specified, selecting 'i686'"
arch="i686"
elif [ "$#" -eq 1 ] ; then
echo "Selecting architecture '$1'"
arch="$1"
else
usage
echo "Too many arguments, exiting" >&2
exit 1
fi
fg_green="\033[32m"
fg_red="\033[31m"
fg_blue="\033[34m"
fg_reset="\033[0m"
fg_bold="\033[1m"
MIRRORLIST_FILE="https://raw.githubusercontent.com/archlinux32/packages/master/core/pacman-mirrorlist/mirrorlist"
mirrorlist="$(curl "$MIRRORLIST_FILE" 2>/dev/null | grep Server | cut -d '=' -f 2 | sed -e 's/\s//g;s_$arch/$repo_archisos/_')"
declare -a available_mirrors
read -r -p "Date of the ISO: " iso_date
iso_string="archlinux-$iso_date-$arch.iso"
for i in $mirrorlist ; do
echo -n -e "$fg_reset${fg_bold}Checking $fg_reset$fg_blue$i$fg_reset "
curl -g "$i" 2>/dev/null | grep -q "$iso_string" && (
echo -e "$fg_reset${fg_green}OK$fg_reset"
) || ( echo -e "$fg_reset${fg_red}Failed$fg_reset" ; false ) || continue
available_mirrors=(${available_mirrors[@]} "$i")
done
echo "${#available_mirrors[@]} mirrors available"
if [ ! -f "$iso_string" ] ; then
echo -e "$fg_reset${fg_bold}Downloading iso...$fg_reset"
curl -O "${available_mirrors[0]}$iso_string"
else
echo -e "$fg_reset${fg_bold}Reusing already downloaded iso...$fg_reset"
fi
echo -e "$fg_reset${fg_bold}Downloading verification files...$fg_reset"
curl -O "${available_mirrors[0]}$iso_string.sig"
curl -O "${available_mirrors[0]}sha512sums"
echo -n -e "$fg_reset${fg_bold}Checking PGP signature...$fg_reset "
gpg --verify "$iso_string.sig" "$iso_string" || exit 100
echo -e "$fg_reset${fg_green}OK"
echo -e "$fg_reset${fg_bold}Checking SHA512 sums...$fg_reset"
sha512sum --ignore-missing --check sha512sums || exit 101
echo -e "$fg_reset${fg_bold}Create torrent file...$fg_reset"
mktorrent --announce=http://dopsi.ch:6969/announce --web-seed="$(join_by ',' "${available_mirrors[@]}")" "$iso_string"
# vim: set ts=4 sw=4:
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