Sync the ramlog back to disk, hourly.

- Since the cron job could be called before the user reboots after
  install (or if log2ram is disabled), we check that the hdd log
  location exists before syncing.

- Copy the log2ram.hourly sync script to cron's hourly directory on
  install.

install.sh

@@ -7,8 +7,10 @@ then
   cp log2ram /usr/local/bin/log2ram
   chmod a+x /usr/local/bin/log2ram
   systemctl enable log2ram
-  
+  cp log2ram.hourly /etc/cron.hourly/log2ram
+  chmod +x /etc/cron.hourly/log2ram
+
   echo "Reboot to activate log2ram"
-else 
+else
   echo "You need to be ROOT (sudo can be used)"
 fi

log2ram

@@ -7,6 +7,9 @@ SIZE=40M
 USE_RSYNC=false
 
 sync () {
+    [ -d $HDD_LOG ] || echo "ERROR: $HDD_LOG doesn't exist!  Can't sync."
+    [ -d $HDD_LOG ] || exit 1
+
     if [ "$USE_RSYNC" = true ]; then
         rsync -aXWv --delete --links $HDD_LOG $RAM_LOG 2>&1 | tee -a $LOG2RAM_LOG
     else

log2ram.hourly

@@ -0,0 +1,3 @@
+#! /bin/sh
+
+/usr/local/bin/log2ram write