#!/bin/bash
set -vx

get_mirrorlist() 
{ local list=$( ncftpls ${FTP_BASE}/ | grep pacman-mirrorlist ); curl -s -S "${FTP_BASE}/${list}" | tar -xzf - -O etc/pacman.d/mirrorlist ; }

get_mirrors()
{ get_mirrorlist | sed -e "/^#Server.*=.*\/\$repo\/os\/${os}/!d"; }

get_servers()
{ get_mirrors | sed -e 's/#Server =.*:\/\/\([^\/]*\).*\/$repo.*/\1/g' ; }

resolve_servers()
{ for FF in `get_servers`; do host -qQ -t ANY -s 8 $FF &>/dev/null; test $? -ne 0 && host -qQ -t ANY -s 8 $FF; done ; }

rank_servers()
{ 
  local f="$1"
  get_mirrors | sed -e "s#^\#Server.*= *\(.*\)/\$repo/os/#\1/$repo/os/$os/$f#g" | xargs -iUR -P10 curl -o /dev/null --connect-timeout 10 --retry 2 --no-keepalive -w "%{time_total} %{speed_download} %{url_effective}\n" -m 20 -s --url "UR" |\
  tee -a rank_mirrors.`echo $f|sed -e 's|[/.-]|_|g'`.log
}



os=`uname -m`
repo=current
FTP_BASE=ftp://ftp.archlinux.org/$repo/os/$os


rank_servers core.db.tar.gz
rank_servers `ncftpls -l $FTP_BASE/|awk '{print $5,$9}' |sort -nr|grep gcc- -m 1|awk '{print $2}'`



pacget() {
 [[ $# -ne 2 ]] && echo "Usage: pacget URL(S) OUTFILE"
 
 os=${1//*\/os\//};os=${os%%\/*};
 repo=$( basename ${1//%\/os\/*\/*} )[[ -z "$repo" ]] && repo=custom
 pacfile=$( basename $2.pacget )




/usr/bin/aria2c \
--no-conf \
--log=pacget.log \
--log-level=notice \
--dir=/var/cache/pacman/pkg/ \
--allow-overwrite=true \
--file-allocation=none \
--out="${pacfile}" \
--max-tries=5 \
--max-file-not-found=5 \
--connect-timeout=10 \
--split=5 \
--max-concurrent-downloads=15 \
--enable-http-keep-alive=true \
--uri-selector=adaptive \
--user-agent="Mozilla/5.0 (Windows; en-US) Gecko/2 Firefox/3.5" \
--summary-interval=0 \
--server-stat-if=pacget.stats \
--server-stat-of=pacget.stats \
--no-netrc \
--ftp-pasv=true
--remote-time=true \
"$1"
[[ ! -f "${pacfile}.aria2" ]] && mv -v "${pacfile}" $2 && chmod -c 644 $2
}