#! /bin/sh
#
# get-cttree.sh
#
# Usage:
#
# get-cttree.sh [opts] output-file.tgz
#
# This script must be executed from within a project tree.
#
# Options:
#
#   None at present.
#
#ENDCOMMENT

while getopts "h" flag; do
  case $flag in
    h) sed '/#ENDCOMMENT/,$d' <$0 >&2
       exit 1;;
    \?) exit 1;
  esac
done

shift `expr $OPTIND - 1`
output=$1
projroot=`ctproj -r`

if [ -z "$projroot" ]; then
  echo ""
  echo "You must execute this script in a project tree."
  echo ""
  exit 1
fi

if [ -z "$output" ]; then
  sed '/#ENDCOMMENT/,$d' <$0 >&2
  exit 1
fi


# Perform some sanity checks on input parameters.

if [ ! -d "$projroot" ]; then
  echo ""
  echo "$projroot is not a directory!"
  echo ""
  exit 1
fi

if [ `basename $output .tgz` = `basename $output` ]; then
  echo ""
  echo "$output should end in .tgz"
  echo ""
  exit 1
fi

if [ ! -d /usr/atria ]; then
  echo ""
  echo "This script is intended to be run on an actual ClearCase vobs."
  echo ""
  exit 1
fi

projname=`basename $projroot`
projtop=`dirname $projroot`

if [ "$projname" = "tool" ]; then
  echo ""
  echo "This script should not be used on the tool tree."
  echo ""
  exit 1
fi

if [ -f "$output" ]; then
  if rm -i $output; then
    echo ""
  else
    echo "Not overwriting $output"
    exit 1
  fi
elif [ -r "$output" -o -w "$output" ]; then
  echo "Cannot overwrite $output"
  exit 1
else
  echo ""
fi

# Check to make sure the local machine doesn't have anything checked out.
cd $projroot
outfile=/tmp/gc.$username.$projname.out
cleartool lsco -s -me -recurse >$outfile
if [ -s $outfile ]; then
  echo ""
  echo "Cannot build tarball; files still checked out in vobs:"
  sed 's/^/  /;s/\.ct0\.//' $outfile
  rm -f $outfile
  echo ""
  exit 1
fi
rm -f $outfile

(cd $projtop; cleartool find $projname -nxn -print | grep -v '/lost+found' | cpio -H tar -v -o | gzip) >$output