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-rw-r--r--scripts/rankmirrors.sh.in212
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diff --git a/scripts/rankmirrors.sh.in b/scripts/rankmirrors.sh.in
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-#!/bin/bash
-#
-# rankmirrors - read a list of mirrors from a file and rank them by speed
-# @configure_input@
-#
-# Copyright (c) 2009 Matthew Bruenig <matthewbruenig@gmail.com>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-# traps interrupt key to spit out pre-interrupt info
-trap finaloutput INT
-
-usage() {
- echo "Usage: rankmirrors [options] MIRRORFILE | URL"
- echo
- echo "Ranks pacman mirrors by their connection and opening speed. Pacman mirror"
- echo "files are located in @sysconfdir@/pacman.d/. It can also rank one mirror if the URL is"
- echo "provided."
- echo
- echo "Options:"
- echo " --version show program's version number and exit"
- echo " -h, --help show this help message and exit"
- echo " -n NUM number of servers to output, 0 for all"
- echo " -t, --times only output mirrors and their response times"
- echo " -u, --url test a specific url"
- echo " -v, --verbose be verbose in ouptut"
- echo " -r, --repo specify a specific repo name instead of guessing"
- exit 0
-}
-
-version() {
- echo "rankmirrors (pacman) @PACKAGE_VERSION@"
- echo "Copyright (c) 2009 Matthew Bruenig <matthewbruenig@gmail.com>."
- echo
- echo "This is free software; see the source for copying conditions."
- echo "There is NO WARRANTY, to the extent permitted by law."
- exit 0
-}
-
-err() {
- echo "$1" >&2
- exit 1
-}
-
-# gettime fetchurl (e.g gettime http://foo.com/core/os/i686/core.db.tar.gz)
-# returns the fetching time, or timeout, or unreachable
-gettime() {
- IFS=' ' output=( $(curl -s -m 10 -w "%{time_total} %{http_code}" "$1" -o/dev/null) )
- (( $? == 28 )) && echo timeout && return
- (( ${output[1]} >= 400 || ! ${output[1]} )) && echo unreachable && return
- echo "${output[0]}"
-}
-
-# getfetchurl serverurl (e.g. getturl http://foo.com/core/os/i686)
-# if $repo is in the line, then assumes core
-# if $arch is in the line, then assumes $(uname -m)
-# returns a fetchurl (e.g. http://foo.com/core/os/i686/core.db.tar.gz)
-ARCH="$(uname -m)"
-getfetchurl() {
- local strippedurl="${1%/}"
-
- local replacedurl="${strippedurl//'$arch'/$ARCH}"
- if [[ ! $TARGETREPO ]]; then
- replacedurl="${replacedurl//'$repo'/core}"
- local tmp="${replacedurl%/*}"
- tmp="${tmp%/*}"
-
- local reponame="${tmp##*/}"
- else
- replacedurl="${replacedurl//'$repo'/$TARGETREPO}"
- local reponame="$TARGETREPO"
- fi
-
- if [[ -z $reponame || $reponame = $replacedurl ]]; then
- echo "fail"
- else
- local fetchurl="${replacedurl}/$reponame.db"
- echo "$fetchurl"
- fi
-}
-
-# This exists to remove the need for a separate interrupt function
-finaloutput() {
- IFS=$'\n' read -r -d '' -a sortedarray < \
- <(printf '%s\n' "${timesarray[@]}" | LC_COLLATE=C sort)
-
- # Final output for mirrorfile
- numiterator="0"
- if [[ $TIMESONLY ]]; then
- echo
- echo " Servers sorted by time (seconds):"
- for line in "${sortedarray[@]}"; do
- echo "${line#* } : ${line% *}"
- ((numiterator++))
- (( NUM && numiterator >= NUM )) && break
- done
- else
- for line in "${sortedarray[@]}"; do
- echo "Server = ${line#* }"
- ((numiterator++))
- (( NUM && numiterator >= NUM )) && break
- done
- fi
- exit 0
-}
-
-
-# Argument parsing
-[[ $1 ]] || usage
-while [[ $1 ]]; do
- if [[ ${1:0:2} = -- ]]; then
- case "${1:2}" in
- help) usage ;;
- version) version ;;
- times) TIMESONLY=1 ; shift ;;
- verbose) VERBOSE=1 ; shift ;;
- url) CHECKURL=1; [[ $2 ]] || err "Must specify url."; URL="$2"; shift 2;;
- repo) [[ $2 ]] || err "Must specify repo name."; TARGETREPO="$2"; shift 2;;
- *) err "\`$1' is an invalid argument."
- esac
- elif [[ ${1:0:1} = - ]]; then
-
- if [[ ! ${1:1:1} ]]; then
- [[ -t 0 ]] && err "Stdin is empty."
- IFS=$'\n' linearray=( $(</dev/stdin) )
- STDIN=1
- shift
- else
- snum=1
- for ((i=1 ; i<${#1}; i++)); do
- case ${1:$i:1} in
- h) usage ;;
- t) TIMESONLY=1 ;;
- v) VERBOSE=1 ;;
- u) CHECKURL=1; [[ $2 ]] || err "Must specify url."; URL="$2"; snum=2;;
- r) [[ $2 ]] || err "Must specify repo name."; TARGETREPO="$2"; snum=2;;
- n) [[ $2 ]] || err "Must specify number." ; NUM="$2" ; snum=2;;
- *) err "\`-$1' is an invald argument." ;;
- esac
- done
- shift $snum
- fi
- elif [[ -f $1 ]]; then
- FILE="1"
- IFS=$'\n' linearray=( $(<$1) )
- [[ $linearray ]] || err "File is empty."
- shift
- else
- err "\`$1' does not exist."
- fi
-done
-
-# Some sanity checks
-[[ $NUM ]] || NUM=0
-[[ $FILE && $CHECKURL ]] && err "Cannot specify a url and mirrorfile."
-[[ $FILE || $CHECKURL || $STDIN ]] || err "Must specify url, mirrorfile, or stdin."
-
-# Single url handling
-if [[ $CHECKURL ]]; then
- url="$(getfetchurl "$URL")"
- [[ $url = fail ]] && err "url \`$URL' is malformed."
- [[ $VERBOSE ]] && echo "Testing $url..."
- time=$(gettime "$url")
- echo "$URL : $time"
- exit 0
-fi
-
-# Get url results from mirrorfile, fill up the array, and so on
-if [[ $TIMESONLY ]]; then
- echo "Querying servers, this may take some time..."
-elif [[ $FILE ]]; then
- echo "# Server list generated by rankmirrors on $(date +%Y-%m-%d)"
-fi
-
-timesarray=()
-for line in "${linearray[@]}"; do
- if [[ $line =~ ^[[:space:]]*# ]]; then
- [[ $TIMESONLY ]] || echo $line
- elif [[ $line =~ ^[[:space:]]*Server ]]; then
-
- # Getting values and times and such
- server="${line#*= }"
- server="${server%%#*}"
- url="$(getfetchurl "$server")"
- [[ $url = fail ]] && err "url \`$URL' is malformed."
- time=$(gettime "$url")
- timesarray+=("$time $server")
-
- # Output
- if [[ $VERBOSE && $TIMESONLY ]]; then
- echo "$server ... $time"
- elif [[ $VERBOSE ]]; then
- echo "# $server ... $time"
- elif [[ $TIMESONLY ]]; then
- echo -n " *"
- fi
- fi
-done
-finaloutput
-
-# vim: set ts=2 sw=2 noet: