X-Git-Url: https://git.grml.org/?p=grml-live.git;a=blobdiff_plain;f=etc%2Fgrml%2Ffai%2Fconfig%2Fscripts%2FGRMLBASE%2F96-apt-listbugs;h=65a1f530528719b0297e70e128ba81b50a9d53cb;hp=06518e9cc71d137ecf9f92489acb5643cfd32e24;hb=6c00c3c1fd1e3fee0d10c1f1b4f6257d21d663d9;hpb=2def18e419f1474c3904672ce297babbb4b9b501

diff --git a/etc/grml/fai/config/scripts/GRMLBASE/96-apt-listbugs b/etc/grml/fai/config/scripts/GRMLBASE/96-apt-listbugs
index 06518e9..65a1f53 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 +22,28 @@ if ifclass RELEASE ; then
   [ -n "$HOSTNAME" ] || HOSTNAME=grml
 
   if [ -r /etc/resolv.conf ] ; then
-     if [ -d $target/etc/resolvconf/run ] ; then
-        cat /etc/resolv.conf >> $target/etc/resolvconf/run/resolv.conf
-     elif [ ! -L $target/etc/resolv.conf ] ; then
-        cat /etc/resolv.conf >> $target/etc/resolv.conf
-     fi
+    if [ -d $target/etc/resolvconf/run ] ; then # resolvconf without /run
+      # 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
+      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
+    elif [ -L $target/etc/resolvconf/run ] ; then # resolvconf with /run
+      # /etc/resolvconf/run symlinks to /run/resolvconf
+      mkdir -p $target/run/resolvconf
+      cat /etc/resolv.conf >> $target/run/resolvconf/resolv.conf
+    else # no resolvconf installed in chroot
+      if ! [ -L $target/etc/resolv.conf ] ; then
+	cat /etc/resolv.conf >> $target/etc/resolv.conf
+      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 ] && \