X-Git-Url: https://git.grml.org/?a=blobdiff_plain;f=etc%2Fgrml%2Ffai%2Fconfig%2Fscripts%2FGRMLBASE%2F96-apt-listbugs;h=bbe6117309e4e15b547cb61c1a7b221fec8c3a8a;hb=16a29e1cd80caf1c63430038e653be3fa4258e0a;hp=06518e9cc71d137ecf9f92489acb5643cfd32e24;hpb=2def18e419f1474c3904672ce297babbb4b9b501;p=grml-live.git

diff --git a/etc/grml/fai/config/scripts/GRMLBASE/96-apt-listbugs b/etc/grml/fai/config/scripts/GRMLBASE/96-apt-listbugs
index 06518e9..bbe6117 100755
--- a/etc/grml/fai/config/scripts/GRMLBASE/96-apt-listbugs
+++ b/etc/grml/fai/config/scripts/GRMLBASE/96-apt-listbugs
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Filename:      /etc/grml/fai/config/scripts/GRMLBASE/96-apt-listbugs
 # Purpose:       retreive list of bugreports of installed packages inside chroot
 # Authors:       grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
@@ -22,11 +22,24 @@ if ifclass RELEASE ; then
   [ -n "$HOSTNAME" ] || HOSTNAME=grml
 
   if [ -r /etc/resolv.conf ] ; then
-     if [ -d $target/etc/resolvconf/run ] ; then
+    if [ -d $target/etc/resolvconf/run ] ; then # resolvconf
+      # sanity check to avoid "input file is output file",
+      # see http://bts.grml.org/grml/issue984
+      if ! [ -L $target/etc/resolvconf/run/resolv.conf ] ; then
         cat /etc/resolv.conf >> $target/etc/resolvconf/run/resolv.conf
-     elif [ ! -L $target/etc/resolv.conf ] ; then
+      else
+        echo "Error: /etc/resolvconf/run/resolv.conf in chroot should not be a symlink." >&2
+        echo "       Looks like something is wrong, please fix manually." >&2
+        exit 1
+      fi
+    else # no resolvconf installed in chroot
+      if ! [ -L $target/etc/resolv.conf ] ; then
         cat /etc/resolv.conf >> $target/etc/resolv.conf
-     fi
+      else
+        echo "Error: /etc/resolv.conf in chroot should not be a symlink (resolvconf not installed)." >&2
+        exit 1
+      fi
+    fi
   fi
 
   if [ -x $target/usr/sbin/apt-listbugs -a -x $target/usr/bin/apt-show-source ] && \