add rewrite_if_changed, improve /etc/hosts

vz/azbyka/createbytask.int.sh

@@ -20,20 +20,41 @@ assure $NAME
 assure $AUSER
 assure $ACONF
 
+# copied from nginx-etersoft's apache2 generating
+# new file -> old file
+rewrite_if_changed()
+{
+        local NEWFILE="$1" OLDFILE="$2"
+        if [ -r $OLDFILE ] ; then
+                if diff -u $OLDFILE $NEWFILE ; then
+                        echo "$OLDFILE not changed"
+                        rm -f $NEWFILE
+                        return 1
+                fi
+        fi
+        mv -f $NEWFILE $OLDFILE
+}
+
+
 tune_hosts()
 {
-if ! grep -q "Azbyka's hosts" /etc/hosts ; then
-cat <<EOF >>/etc/hosts
+cat <<EOF >>/etc/hosts.tmpCB
 # Azbyka's hosts
 192.168.3.188	memcached.azbyka
+192.168.3.185	sphinx.azbyka
 192.168.3.186	redis.azbyka
 192.168.3.191	mysql.azbyka
 192.168.3.191	mysql
 192.168.3.191	mysql.$AUSER
+192.168.3.190	mariadb.azbyka
+192.168.3.190	mariadb
+192.168.3.190	mariadb.$AUSER
 EOF
-fi
+rewrite_if_changed /etc/hosts.tmpCB /etc/hosts && update_chrooted_conf
+
 }
 
+
 tune_logrotate()
 {
 cat <<EOF >>/etc/logrotate.d/apache-home-local