dotfiles/bin/update_mirrorlist

#!/bin/sh
# Copyright (c) 2015, Rodolphe Breard
# Author: Rodolphe Breard
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

pacman_dir="/etc/pacman.d"
mirror_file="${pacman_dir}/mirrorlist"
mirror_pacnew="${mirror_file}.pacnew"
mirror_orig="${mirror_file}.orig"
mirror_tmp="/tmp/mirrorlist.tmp"

if [ -f "$mirror_pacnew" ]; then
    echo "Using $mirror_pacnew"
    mv "$mirror_pacnew" "$mirror_orig"
fi

if [ ! -f "$mirror_orig" ]; then
    echo "$mirror_orig: file not found" >&2
    exit 1
fi

grep 'Server' "$mirror_orig" | tr -d "#" > "$mirror_tmp"
rankmirrors -n 6 "$mirror_tmp" > "$mirror_file"
rm -f "$mirror_tmp"
pacman -Syy