use mbsync and fix some bugs

mail2mms.sh

@@ -5,8 +5,7 @@
 # and the body will contain the From and Subject fields of up to the 3
 # most recent new mails. If the new mail count is above 3, there will also
 # be 'and more...' at the end.
-# Assumes you have a maildir inbox on this machine;
-# you can use offlineimap or similar to sync recent mail to a maildir
+# Assumes you either have mbsync setup to sync your inbox folder,
 # or use -l if this machine is actually your mailserver
 
 # import the config file ./.config
@@ -23,7 +22,7 @@ oldnew=0
 
 summary() {
   i=0
-  for m in $(ls -1r ${inbox}/new/*); do
+  for m in $(\ls -1r ${inbox}/new/*); do
     i=$((i + 1))
     if [ ${i} -gt 3 ]; then
       echo "and more..."
@@ -39,17 +38,13 @@ summary() {
 
 while true; do
 
-  # Start offlineimap if it's not running and we are not on the mailserver
-  # Sometimes it can crash, so it's in the loop here instead of at startup
-  
-  if [ "$1" != -l ]; then
-    if ! pgrep offlineimap; then
-      offlineimap &
-    fi
+  # sync mailbox if this is not the mailserver
+  if [ "$1" = "-l" ]; then
+    mbsync -a
   fi
 
   # Count the number of new mails
-  newnew=$(ls -1 ${inbox}/new | wc -l)
+  newnew=$(\ls -1 ${inbox}/new | wc -l)
 
   # If the number of new mails has increased  
   if [ ${newnew} -gt ${oldnew} ]; then