preinstall.sh

#!/bin/sh

#  preinstall
#
#  Make sure that /Library exists.  Bail if it does not.
#  Also, make sure that Vertica driver can be found.  Give error and quit if it can't.
#  This runs as a pre-install step by the Vertica configuration installer
#

# Does /Library exist?
if [ ! -d "/Library" ]; then
    #  Its really bad news if this doesn't exist, so lets just quit the installer
/usr/bin/osascript <<-EOF

    tell application "System Events"
        activate
        display dialog "The /Library folder was not found.  Exiting..."
    end tell

EOF
    exit 1
fi

# Determine if Vertica drivers are installed
libs=`find /Library/ODBC/vertica -name "libverticaodbc.dylib.?.?.?"`
driver=`echo "$libs" | tail -n 1`
if [${driver} == ""]; then
    # if no driver was found, then look in ~/Library
    libs=`find $HOME/Library/ODBC/vertica -name "libverticaodbc.dylib.?.?.?"`
    driver=`echo "$libs" | tail -n 1`
    if [${driver} == ""]; then
        # no driver found anywhere so exit with a failure
/usr/bin/osascript <<-EOF

    tell application "System Events"
        activate
        display dialog "The Vertica drivers were not found.  You must first unzip them into either the /Library/ODBC/Vertica or the ~/Library/ODBC/Vertica folder."
    end tell

EOF
        exit 1
    fi
fi

exit 0