add install for upgrade to newer version

uninstall: remove clean

reinstall: uninstall install

upgrade: remove install

#! /bin/sh

SHELL=`readlink -f /proc/$$/exe | cut -d/ -f3`

#default install location (root)

if [[ -z $prefix ]]; then prefix="/usr/local/share"; fi

echo "installing to: $prefix"

if [[ $1 == "--prefix" ]]

     then

     prefix=$2

     if [[ ! -d $prefix ]]

         then

         echo "--prefix $prefix must be a directory"

         exit 1

     fi

    if [[ ! -w $prefix ]]

        then

        echo "--prefix $prefix must be a writeable"

        exit 1

    fi

fi

if [[ ! -w $prefix ]]

    then

    echo "$prefix must be a writeable directory"

    echo "try running:"

    echo "    sudo bash $( cd -P "$( dirname ${BASH_SOURCE[0]})" >/dev/null 2>&1 && pwd )/INSTALL"

    echo "    sudo make install"

    exit 1

fi

version=$( cat .version )

if [[ -f inst/.installed ]]

    then

    current_version=$( launch_universc.sh --version | tail -n 2 | head -n 1 | cut -d' ' -f3 )

    if [[ $version == $current_version ]]

    then

        echo "universc ${version} is already installed in `cat inst/.installed`"

        echo "run the following to remove it"

        echo "    make remove"

    exit 1

    else

        echo "universc ${current_version} is already installed in `which launch_universc.sh`"

        #echo "run the following to upgrade it"

        #echo "    make upgrade"

    fi

fi

echo $prefix > inst/.installed

echo prefix=$prefix

version=`cat .version`

# create install directory

INSTALLDIR="${prefix}/universc-${version}"

echo "Installing to $INSTALLDIR"

mkdir -p ${prefix}/universc-${version}

#requires root priviledges

if [[ -w ${INSTALLDIR} ]]

    then

    rsync -arutvxz * $INSTALLDIR

    #note does not apply to parent process (only within script for testing version call)

    export PATH=$INSTALLDIR:$PATH

    #echo "${INSTALLDIR} added to PATH"

    for SHELL_RC in `ls ~/.*rc`

        do

        echo "export PATH=:${INSTALLDIR}:\$PATH" >> $SHELL_RC

        echo "universc-${version} added to PATH automatically in new ${SHELL} shell session"

    done

    echo "run the following to add it to your shell of choice"

    echo "    export PATH=${INSTALLDIR}:\$PATH >> ~/.\${SHELL}rc"

    echo "universc-${version} has been installed it can be run as follows"

    echo "    launch_universc.sh"

    launch_universc.sh --version

    #launch_universc.sh --help

    which launch_universc.sh

    echo "To add convert to your current shell sesssion by running the following:"

    echo " "

    echo "    PATH=${INSTALLDIR}:\$PATH"

    echo " "

    echo "convert has been added to the $SHELL configuration and will be automatically loaded"

    echo "run the following to load a fresh environment"

    echo " "

    echo "    source $HOME/.${SHELL}rc"

    echo " "

else

    echo "Directory ${INSTALLDIR} not writeable"

    echo "Warning: installing manual requires root priviledges"

    echo "  Try running of the following:"

    echo "      sudo bash $( cd -P "$( dirname ${BASH_SOURCE[0]})" >/dev/null 2>&1 && pwd )/INSTALL"

    echo "      sudo make install"

fi

echo "INSTALL COMPLETE"

#Note this does not affect the variables in a parent process (interactive shell)

#This must be run there (by the user)

echo source ~/.${SHELL}rc