configs/releng/airootfs/usr/local/bin/choose-mirror


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#!/bin/bash

get_cmdline() {
    local param
    for param in $(< /proc/cmdline); do
        case "${param}" in
            $1=*) echo "${param##*=}";
            return 0
            ;;
        esac
    done
}

mirror=$(get_cmdline mirror)
[[ $mirror = auto ]] && mirror=$(get_cmdline archiso_http_srv)
[[ $mirror ]] || exit 0

mv /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.orig
cat >/etc/pacman.d/mirrorlist << EOF
#
# Arch Linux repository mirrorlist
# Generated by archiso
#

Server = ${mirror%%/}/\$repo/os/\$arch
EOF