#!/bin/sh

COMMAND=$1
DEST=$2

if ! test -d "$DEST"; then
  echo "DEST directory $DIST does not exist"
  exit 1
fi

cd $DEST

if test "$COMMAND" = "preserve"; then
  if test ! -e .symlinks ; then 
    find . -type l -print | xargs ls -l | awk '{print $9,$11}' > .symlinks.tmp
    if test -s .symlinks.tmp; then 
       mv .symlinks.tmp .symlinks
    else
      rm -f .symlinks.tmp
    fi
  fi
  COMMAND=clobber
fi

if test "$COMMAND" = "clobber"; then
  find . -type l -print | xargs rm -f
fi


if test "$COMMAND" = "restore"; then
  cat .symlinks | while read line;  do 
    set $line
    if ! test -l $1; then
      ln -s $2 $1
    fi
  done
fi