#!/bin/sh
# Update the ls-lR.

set -e
. $SCRIPTVARS

cd $ftpdir

filename=ls-lR

echo "Removing any core files ..."
find -type f -name core -print0 | xargs -0r rm -v

echo "Checking permissions on files in the FTP tree ..."
find -type f \( \! -perm -444 -o -perm +002 \) -ls
find -type d \( \! -perm -555 -o -perm +002 \) -ls

echo "Checking symlinks ..."
symlinks -rd .

echo "Creating recursive directory listing ... "
rm -f .$filename.new
TZ=UTC ls -lR | grep -v Archive_Maintenance_In_Progress > .$filename.new

if [ -r ${filename}.gz ] ; then
  mv -f ${filename}.gz $filename.old.gz
  mv -f .$filename.new $filename
  rm -f $filename.patch.gz
  zcat $filename.old.gz | diff -u - $filename | gzip -9cfn - >$filename.patch.gz
  rm -f $filename.old.gz
else
  mv -f .$filename.new $filename
fi

gzip -9cfN $filename >$filename.gz
rm -f $filename