debian/patches/26_support_dns_bootoption.patch

   1 #! /bin/sh /usr/share/dpatch/dpatch-run
   2 ## 26_support_dns_bootoption.dpatch by Michael Prokop <mika@grml.org>
   3 ##
   4 ## All lines beginning with `## DP:' are a description of the patch.
   5 ## DP: Support dns bootoption. Usage examples: dns=8.8.8.8 / dns=8.8.8.8,1.2.3.4
   6
   7 @DPATCH@
   8 Index: b/scripts/live
   9 ===================================================================
  10 --- a/scripts/live      2011-07-24 22:08:11.000000000 +0200
  11 +++ b/scripts/live      2011-07-24 22:08:13.000000000 +0200
  12 @@ -77,6 +77,18 @@
  13                                 BOOTIF="${x#BOOTIF=}"
  14                                 ;;
  15
  16 +                       dns=*)
  17 +                               DNSSERVER="${ARGUMENT#*=}"
  18 +                               if echo "${DNSSERVER}" | grep -q , ; then
  19 +                                       DNSSERVER1="${DNSSERVER%,*}"
  20 +                                       DNSSERVER2="${DNSSERVER#*,}"
  21 +                                       export DNSSERVER1 DNSSERVER2
  22 +                               else
  23 +                                       DNSSERVER1="$DNSSERVER"
  24 +                                       export DNSSERVER1
  25 +                               fi
  26 +                               unset DNSSERVER
  27 +                               ;;
  28                         debug)
  29                                 DEBUG="Yes"
  30                                 export DEBUG
  31 Index: b/scripts/live-bottom/23networking_grml
  32 ===================================================================
  33 --- a/scripts/live-bottom/23networking_grml     2011-07-24 22:08:07.000000000 +0200
  34 +++ b/scripts/live-bottom/23networking_grml     2011-07-24 22:08:13.000000000 +0200
  35 @@ -44,7 +44,12 @@
  36
  37  # prepare a new /etc/network/interfaces file (and, possibly, a new /etc/resolv.conf)
  38  IFFILE="/root/etc/network/interfaces"
  39 -RESOLVCONF="/root/etc/resolv.conf"
  40 +if [ -L /root/etc/resolv.conf ] ; then
  41 +  # assume we have resolvconf
  42 +  RESOLVCONF=/root/etc/resolvconf/resolv.conf.d/base
  43 +else
  44 +  RESOLVCONF="/root/etc/resolv.conf"
  45 +fi
  46
  47  # config for loopback networking
  48  cat > $IFFILE << EOF
  49 @@ -105,3 +110,17 @@
  50
  51      echo>> $IFFILE
  52  done
  53 +
  54 +# dns bootoption
  55 +if [ -n "$DNSSERVER1" ]
  56 +then
  57 +       # disable any existing entries
  58 +       if [ -r $RESOLVCONF ]
  59 +       then
  60 +               sed -i 's/nameserver/# nameserver/' $RESOLVCONF
  61 +       fi
  62 +       for i in $DNSSERVER1 $DNSSERVER2
  63 +       do
  64 +               echo "nameserver $i" >> $RESOLVCONF
  65 +       done
  66 +fi