discovery

#!/bin/bash
#
# discovery
#
# LEGAL NOTICE
# -------------
# 
# OSS Discovery is a tool that finds installed open source software.
#    Copyright (C) 2007-2009 OpenLogic, Inc.
#  
# OSS Discovery is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License version 3 as 
# published by the Free Software Foundation.  
#  
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License version 3 (discovery2-client/license/OSSDiscoveryLicense.txt) 
# for more details.
#  
# You should have received a copy of the GNU Affero General Public License along with this program.  
# If not, see http://www.gnu.org/licenses/
#  
# You can learn more about OSSDiscovery, report bugs and get the latest versions at www.ossdiscovery.org.
# You can contact the OSS Discovery team at info@ossdiscovery.org.
# You can contact OpenLogic at info@openlogic.com.


# Get the fully qualified path to the script
case $0 in
    /*)
        SCRIPT="$0"
        ;;
    *)
        PWD=`pwd`
        SCRIPT="$PWD/$0"
        ;;
esac

# Resolve the true real path without any sym links.
CHANGED=true
while [ "X$CHANGED" != "X" ]
do
    # Change spaces to ":" so the tokens can be parsed.
    SCRIPT=`echo $SCRIPT | sed -e 's; ;:;g'`
    # Get the real path to this script, resolving any symbolic links
    TOKENS=`echo $SCRIPT | sed -e 's;/; ;g'`
    REALPATH=
    for C in $TOKENS; do
        REALPATH="$REALPATH/$C"
        while [ -h "$REALPATH" ] ; do
            LS="`ls -ld "$REALPATH"`"
            LINK="`expr "$LS" : '.*-> \(.*\)$'`"
            if expr "$LINK" : '/.*' > /dev/null; then
                REALPATH="$LINK"
            else
                REALPATH="`dirname "$REALPATH"`""/$LINK"
            fi
        done
    done

    if [ "$REALPATH" = "$SCRIPT" ]
    then
        CHANGED=""
    else
        SCRIPT="$REALPATH"
    fi
done

# Change ":" chars back to spaces.
REALPATH=`echo $REALPATH | sed -e 's;:; ;g'`

# Change the current directory to the location of the script
cd "`dirname "$REALPATH"`"
OSSDISCOVERY_HOME=`pwd`
# export this on a separate line because some versions of bash(solaris) blow when all on one export/define line
export OSSDISCOVERY_HOME

# echo "%%%% OSSDISCOVERY_HOME=$OSSDISCOVERY_HOME"

cd "$OSSDISCOVERY_HOME"

for i in $*
do
	if test $i = "--help"
	then
                # main help
		cat help.txt

                # help for plugins 
                echo Command line options for plugins follows:
                find $OSSDISCOVERY_HOME/lib/plugins -name "help.txt" -exec cat {} \;

		exit 0
	fi
done

ruby "$OSSDISCOVERY_HOME/lib/discovery.rb" --progress 100 --verbose $*