add a script to check if offlineimap is still working

The script needs to run as a cronjob

desktop/offlineimap/offlineimap.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+# Check every ten seconds if the process identified as $1 is still 
+# running. After 5 checks (~60 seconds), kill it. Return non-zero to 
+# indicate something was killed.
+monitor() {
+  local pid=$1 i=0
+
+  while ps $pid &>/dev/null; do
+    if (( i++ > 5 )); then
+      echo "Max checks reached. Sending SIGKILL to ${pid}..." >&2
+      kill -9 $pid; return 1
+    fi
+
+    sleep 10
+  done
+
+  return 0
+}
+
+read -r pid < ~/.offlineimap/pid
+
+if ps $pid &>/dev/null; then
+  echo "Process $pid already running. Exiting..." >&2
+  exit 1
+fi
+
+offlineimap -o -u quiet & monitor $!