#!/bin/bash

export LOCK_FILE=/home/usace/g0cwpa26/rwcds/dd/external/nwdp/project_hourly/docs/lock

# We need to make sure only one instance of this is running at a time
# If we can create the lock file, all is well.
# If we cannot, check its age with perl's -M operator:
#   If it's older than a day:
#     touch it to freshen it up, then proceed as normal
#   Otherwise, exit.

if mkdir $LOCK_FILE
then
  echo Lock obtained.
else
  echo Lock failed. Testing lock age.
  AGE=`perl -e 'printf "%d", ( -M "$ENV{LOCK_FILE}" )'`
  if [[ $AGE -gt 0 ]]
  then
    echo Lock already $AGE days old.  Refreshing.
    touch $LOCK_FILE
  else
    echo Lock only $AGE days old.  Exiting.
    exit
  fi
fi

for host in pweb dd_wpc dd_cpc
do
  for dir in www script config webexec
  do
    /bin/rsync -zav                                                    \
      /home/usace/g0cwpa26/rwcds/dd/external/nwdp/project_hourly/$dir/ \
      $host:/usr/dd/nwdp/project_hourly/$dir                           \
      --rsync-path=/usr/bin/rsync                                      \
      --delete-after
  done
done

rmdir $LOCK_FILE
echo Lock removed.