Merge branch 'feature/54748_fix_etc_hosts_check' into 'master'

fix_etc_hosts: Don't add 127.0.1.1 if it isn't already there

See merge request os2borgerpc/os2borgerpc-scripts!195

Author: Marcus Funch

os2borgerpc/os2borgerpc/fix_etc_hosts.sh

@@ -2,5 +2,8 @@
 
 HOSTS=/etc/hosts
 
-sed --in-place /127.0.1.1/d $HOSTS
-sed --in-place "2i 127.0.1.1	$(hostname)" $HOSTS
+# Don't add 127.0.1.1 if it isn't already there
+if grep --quiet 127.0.1.1 $HOSTS; then
+  sed --in-place /127.0.1.1/d $HOSTS
+  sed --in-place "2i 127.0.1.1	$(hostname)" $HOSTS
+fi