build/f_isoroot/f_repobuild/select_ubuntu_repo.sh

   1 #!/bin/bash
   2 cleanup() {
   3     rm -f $TMPFILE
   4 }
   5
   6 debugmsg() {
   7     test -n "$DEBUG" && echo "$@" >&2
   8 }
   9
  10 # Check mirror's integrity
  11 check_mirror () {
  12     mirror=$1
  13     status=0
  14     for packdir in dists/trusty-updates/main/binary-amd64 \
  15         dists/trusty-updates/restricted/binary-amd64 \
  16         dists/trusty-updates/universe/binary-amd64 \
  17         dists/trusty-updates/multiverse/binary-amd64 \
  18         dists/trusty-security/main/binary-amd64 \
  19         dists/trusty-security/restricted/binary-amd64 \
  20         dists/trusty-security/universe/binary-amd64 \
  21         dists/trusty-security/multiverse/binary-amd64 \
  22         dists/trusty-proposed/main/binary-amd64 \
  23         dists/trusty-proposed/restricted/binary-amd64 \
  24         dists/trusty-proposed/universe/binary-amd64 \
  25         dists/trusty-proposed/multiverse/binary-amd64 \
  26         dists/trusty/main/binary-amd64 \
  27         dists/trusty/restricted/binary-amd64 \
  28         dists/trusty/universe/binary-amd64 \
  29         dists/trusty/multiverse/binary-amd64 \
  30         dists/trusty-backports/main/binary-amd64 \
  31         dists/trusty-backports/restricted/binary-amd64 \
  32         dists/trusty-backports/universe/binary-amd64 \
  33         dists/trusty-backports/multiverse/binary-amd64
  34     do
  35         for packfile in Release Packages.gz
  36         do
  37             if [ $status -ne 1 ]; then
  38                 curl --output /dev/null --silent --head --fail \
  39                     $mirror/$packdir/$packfile
  40                 if [ $? -ne 0 ]; then
  41                     debugmsg "$mirror: Faulty (at least missing $packdir/$packfile)"
  42                     status=1
  43                 fi
  44             fi
  45         done
  46     done
  47     return $status
  48 }
  49
  50 if [ "$1" == "-d" ]; then
  51     DEBUG=1
  52 fi
  53
  54 # Hardcode for testing purposes
  55 DEBUG=1
  56
  57 TMPFILE=$(mktemp /tmp/mirrorsXXXXX)A
  58 trap cleanup exit
  59
  60 # Generated a list of mirrors considered as "up"
  61 curl -s  https://launchpad.net/ubuntu/+archivemirrors | \
  62     grep -P -B8 "statusUP|statusSIX" | \
  63     grep -o -P "(f|ht)tp.*\""  | \
  64     sed 's/"$//' | sort | uniq > $TMPFILE
  65
  66 # Iterate over "close" mirror, check that they are considered up
  67 # and sane.
  68 for url in $(curl -s http://mirrors.ubuntu.com/mirrors.txt)
  69 do
  70     grep -q $url $TMPFILE || debugmsg "$url Faulty (detected by Ubuntu)"
  71     if [ -z $BESTURL ]; then
  72         if grep -q $url $TMPFILE && check_mirror $url; then
  73             debugmsg "$url: OK (setting as primary URL)"
  74             BESTURL=$url
  75             test -z "$DEBUG" && break
  76         fi
  77     else
  78         grep -q $url $TMPFILE && check_mirror $url && debugmsg "$url: OK"
  79     fi
  80 done
  81
  82 echo "$BESTURL"