rearrange code according to OUR coding standard

remote-backup

@@ -85,43 +85,52 @@ fi
 # rotating snapshots of /home (fixme: this should be more general)
 
 # step 1: delete the oldest snapshot, if it exists:
-if [ -d $SNAPSHOT_RW/home/hourly.3 ] ; then			\
+if [ -d $SNAPSHOT_RW/home/hourly.3 ]
-$RM -rf $SNAPSHOT_RW/home/hourly.3 ;				\
+then
-fi ;
+	$RM -rf $SNAPSHOT_RW/home/hourly.3
+fi
 
 # step 2: shift the middle snapshots(s) back by one, if they exist
-if [ -d $SNAPSHOT_RW/home/hourly.2 ] ; then			\
+if [ -d $SNAPSHOT_RW/home/hourly.2 ]
-$MV $SNAPSHOT_RW/home/hourly.2 $SNAPSHOT_RW/home/hourly.3 ;	\
+then
-fi;
+	$MV $SNAPSHOT_RW/home/hourly.2 $SNAPSHOT_RW/home/hourly.3
-if [ -d $SNAPSHOT_RW/home/hourly.1 ] ; then			\
+fi
-$MV $SNAPSHOT_RW/home/hourly.1 $SNAPSHOT_RW/home/hourly.2 ;	\
+if [ -d $SNAPSHOT_RW/home/hourly.1 ]
-fi;
+then
+	$MV $SNAPSHOT_RW/home/hourly.1 $SNAPSHOT_RW/home/hourly.2
+fi
 
 # step 3: make a hard-link-only (except for dirs) copy of the latest snapshot,
 # if that exists
-if [ -d $SNAPSHOT_RW/home/hourly.0 ] ; then			\
+if [ -d $SNAPSHOT_RW/home/hourly.0 ]
-$CP -al $SNAPSHOT_RW/home/hourly.0 $SNAPSHOT_RW/home/hourly.1 ;	\
+then
-fi;
+	$CP -al $SNAPSHOT_RW/home/hourly.0 $SNAPSHOT_RW/home/hourly.1
+fi
 
 # step 4: rsync from the system into the latest snapshot (notice that
 # rsync behaves like cp --remove-destination by default, so the destination
 # is unlinked first.  If it were not so, this would copy over the other
 # snapshot(s) too!
-$RSYNC								\
+$RSYNC \
-	-va --delete --delete-excluded				\
+	-va \
-	--exclude-from="$EXCLUDES"				\
+	--delete \
-	/home/ $SNAPSHOT_RW/home/hourly.0 ;
+	--delete-excluded \
+	--exclude-from="$EXCLUDES" \
+	/home/ \
+	$SNAPSHOT_RW/home/hourly.0
 
 # step 5: update the mtime of hourly.0 to reflect the snapshot time
-$TOUCH $SNAPSHOT_RW/home/hourly.0 ;
+$TOUCH $SNAPSHOT_RW/home/hourly.0
 
 # and thats it for home.
 
 # now remount the RW snapshot mountpoint as readonly
-
+if [[ "$REMOUNT" == "true" ]]
-$MOUNT -o remount,ro $MOUNT_DEVICE $SNAPSHOT_RW ;
+then
-if (( $? )); then
+	$MOUNT -o remount,ro $MOUNT_DEVICE $SNAPSHOT_RW
-{
+	if (( $? ))
-	$ECHO "snapshot: could not remount $SNAPSHOT_RW readonly";
+	then
-	exit;
+		$ECHO "snapshot: could not remount $SNAPSHOT_RW readonly"
-} fi;
+		exit
+	fi
+fi