#!/bin/sh

if [ $# -lt 2 ]; then 
    echo "install usage:  install compressed_tar_file_name destination_directory"
    exit 1
fi

compress_file=$1
tar_file=`basename $compress_file .Z`
dest_dir=$2

if [ ! -f $compress_file ]; then
    echo "Specified compress tar file ($compress_file) does not exist. "
    echo "Please check that you have specified the file name correctly."
    exit 1
fi

if [ ! -r $compress_file ]; then
    echo "You do not have read permission on the specified tarfile ($compress_file) ."
    echo "Please change the permissions on the file and re-issue the install command."
    exit 1
fi

if [ ! -d $dest_dir ]; then
    ans=""
    while [ "$ans" != "y" -a "$ans" != "Y" ]; do
	echo "You have specified a new destination directory."
	echo "Do you wish to create this new directory (y or n) ->\c"
	read ans
	if [ $ans = "n" -o $ans = "N" ]; then
	    echo "Please respecify a different destination directory."
	    exit 1
	fi
    done
fi

echo "Uncompressing $compress_file"

uncompress $compress_file

echo "Untarring $tar_file"
if tar -xf $tar_file; then
    compress $tar_file

# we should now have the contents of the tar file in the current directory
# execute the tool specific install

    if [ ! -x "ut_tool_install" ]; then
        echo "Cannot execute the Utilitek install script!!"
	echo "Please report this to Utilitek Systems."
	exit 1
    fi

    if ./ut_tool_install $dest_dir; then
# the install script is supposed to clean up after itself - the only thing that we should
# have to cleanup is the tool_install script itself
	echo "Installation completed successfully."
	rm ./ut_tool_install
	exit 0
    else
	echo "Errors reported during installation phase."
	echo "Please correct any errors and rerun the installation"
	rm ./ut_tool_install
	exit 1
    fi
else
    compress $tar_file
    echo "Error detected in extracting the contents of the tar file!"
    echo "Please look for error messages and correct any problems reported."
    exit 1
fi