Making nameserver assignment from ip= bootparameter work with persist…

…ence.
grml · Aug 14, 2012 · 3e6ca00 · 3e6ca00
1 parent ab6364d
commit 3e6ca00
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/scripts/boot/9990-netbase.sh b/scripts/boot/9990-netbase.sh
@@ -65,11 +65,13 @@ EOF
 
 			if [ -n "${nameserver}" ]
 			then
+				if [ -e "${DNSFILE}" ]
+				then
+					grep -v ^nameserver "${DNSFILE}" > "${DNSFILE}.tmp"
+					mv "${DNSFILE}.tmp" "${DNSFILE}"
+				fi
 
-cat >> "${DNSFILE}" << EOF
-nameserver ${nameserver}
-EOF
-
+				echo "nameserver ${nameserver}" >> "${DNSFILE}"
 			fi
 		done
 	else