X-Git-Url: https://git.grml.org/?p=grml-debootstrap.git;a=blobdiff_plain;f=chroot-script;h=0e93220ad2d70fa5ab1de25f480d2fa2cbcd31fd;hp=072fb4c048a968e23e560d317049ed6b3e735358;hb=98cab0af4f596d4645109426d6ea3ea618c7e910;hpb=420ac27e61ea1add01319a4f666bd8fb9dc72bd1

diff --git a/chroot-script b/chroot-script
index 072fb4c..0e93220 100755
--- a/chroot-script
+++ b/chroot-script
@@ -249,13 +249,25 @@ passwords()
 
 # set up /etc/hosts {{{
 hosts() {
-  if ! [ -f /etc/hosts ] ; then
-     echo "Setting up /etc/hosts"
-     echo "127.0.0.1       localhost  $HOSTNAME" > /etc/hosts
-  fi
-
-  if [ -n "$HOSTNAME" ] ; then
-     sed -i "s/grml/$HOSTNAME/g" /etc/hosts
+  if [ -f /etc/hosts ] ; then
+     sed -i "s#127.0.0.1 .*#127.0.0.1       localhost  $HOSTNAME#" /etc/hosts
+     [ -n "$HOSTNAME" ] && sed -i "s/grml/$HOSTNAME/g" /etc/hosts
+  else
+     cat > /etc/hosts << EOF
+127.0.0.1       localhost $HOSTNAME
+
+#127.0.0.1       localhost
+#127.0.1.1       $HOSTNAME.example.org $HOSTNAME
+
+# The following lines are desirable for IPv6 capable hosts
+#::1     ip6-localhost ip6-loopback $HOSTNAME
+::1     ip6-localhost ip6-loopback
+fe00::0 ip6-localnet
+ff00::0 ip6-mcastprefix
+ff02::1 ip6-allnodes
+ff02::2 ip6-allrouters
+ff02::3 ip6-allhosts
+EOF
   fi
 }
 # }}}
@@ -340,7 +352,7 @@ hostname() {
 
         # listen on loopback interface only:
         sed -i "s/^inet_interfaces = .*/inet_interfaces = loopback-only/" /etc/postfix/main.cf
-        grep inet_interfaces /etc/postfix/main.cf || echo 'inet_interfaces = loopback-only' >> /etc/postfix/main.cf
+        grep -q inet_interfaces /etc/postfix/main.cf || echo 'inet_interfaces = loopback-only' >> /etc/postfix/main.cf
      fi
   fi
 }