#!/bin/sh
#
#	cvs-wrap - Combine a directory into a single tar package.
#

#ident $Id

program="`basename $0`"

usage="Usage: $program directory output-tarfile
Wraps a directory into a gzipped tar file.
"

expr=/bin/expr
gzip=gzip
tar=tar

for option
do
  case "$option" in
    -h | --help)
      echo "$usage"
      exit 1
      ;;
    -*)
      echo "$program: Unknown option: $option"
      echo "$usage"
      exit 1
      ;;
    *)
      ;;
  esac
done

if [ $# -ne 2 ]; then
  echo "$program: Invalid parameters."
  echo "$usage"
  exit 1
fi

# The cwd should be set to "`dirname $1`" by cvs when this script is called.

directory="`basename $1`"

#if [ ! -d "$directory" ]; then
#  echo "$program: \`$directory' is not a directory."
#  echo "$usage"
#  exit 1
#fi

if $expr "$2" : "^/" > /dev/null ; then
  output_file="$2"
else
  output_file="`pwd`/$2"
fi

gnutar --preserve --sparse -cf - "$directory" |
    gzip --no-name --best -c > "$output_file"

exit 0