set-hostname: fix missing quotes (thanks mrud)

[grml-autoconfig.git] / etc / grml / pump-scripts.d / set-hostname

diff --git a/etc/grml/pump-scripts.d/set-hostname b/etc/grml/pump-scripts.d/set-hostname
index 9c2c518..6682d3e 100755 (executable)
--- a/etc/grml/pump-scripts.d/set-hostname
+++ b/etc/grml/pump-scripts.d/set-hostname
@@ -9,16 +9,13 @@
 
 . /etc/grml/autoconfig.functions
 
-
 # only run if no nodhcphostname parameter is given
-if ! checkbootparam 'nodhcphostname' ; then
+# and if running in live mode
+if ! checkbootparam 'nodhcphostname' && [ -f /etc/grml_cd ] ; then
 
-    hostname=$(host $3) || exit 1
-    # dhcphostname is set, get the PTR for the ip
-    hostname=$(echo ${hostname} | awk '{ print substr($5, 0, length($5)-1) }')
+    hostname=$(busybox nslookup "$3" | awk '/Address 1: '$3'/ {print $4}')
+    [ -n "$hostname" ] || exit 1
 
-    if [ -n "$hostname" ] ; then
-        echo $hostname > /etc/hostname
-        hostname -F /etc/hostname
-    fi
+    grml-hostname "$hostname"
+    hostname -F /etc/hostname
 fi