#!/bin/sh
# (c) Copyright 2004-2006, 2008. CodeWeavers, Inc.
#----------------------------------------------------------------------------
#       This script gathers up information about a given Linux system
#   that is relevant to CrossOver.
#       This script runs best from a CrossOver install; it will find
#   certain internal utilities and report their results. However, it
#   also runs completely standalone as well.
#----------------------------------------------------------------------------

# Portable which(1) implementation
cxwhich()
{
    case "$1" in
    /*)
        if [ -x "$1" -a -f "$1" ]
        then
            echo "$1"
            return 0
        fi
        ;; 
    */*)
        if [ -x "`pwd`/$1" -a -f "`pwd`/$1" ]
        then
            echo "`pwd`/$1"
            return 0
        fi
        ;;
    *)
        saved_ifs="$IFS"
        IFS=":"
        for d in $PATH
        do
            IFS="$saved_ifs"
            if [ -n "$d" -a -x "$d/$1" -a -f "$d/$1" ]
            then
                echo "$d/$1"
                return 0
            fi
        done
        ;;
    esac
    return 1
}

# Locate where CrossOver is installed by looking for the directory
# where the cxmenu script is located, unwinding symlinks on the way
locate_cx_root()
{
    argv0=`cxwhich "$0"`
    [ -z "$argv0" ] && argv0="$0"
    echo "$argv0" | egrep "^/" >/dev/null
    if [ $? -ne 0 ]
    then
        argv0="`pwd`/$argv0"
    fi
    dir=`dirname "$argv0"`
    bindir=`echo "$dir" | sed -e 's%/lib$%/bin%'`
    while [ ! -x "$bindir/cxmenu" -o ! -f "$bindir/cxmenu" ]
    do
        [ ! -h "$argv0" ] && break
        argv0=`ls -l "$argv0" | sed -e 's/^.*-> //'`
        echo "$argv0" | egrep "^/" >/dev/null
        if [ $? -ne 0 ]
        then
            argv0="$dir/$argv0"
        fi
        dir=`dirname "$argv0"`
        bindir=`echo "$dir" | sed -e 's%/lib$%/bin%'`
    done
    bindir=`echo "$bindir" | sed -e 's%/\./\(\./\)*%/%g' -e 's%/\.$%%'`
    cx_root=`dirname "$bindir"`
    if [ ! -x "$cx_root/bin/cxmenu" -o ! -f "$cx_root/bin/cxmenu" ]
    then
        if [ "$1" = "--no-fail" ]
        then
            cx_root=""
            return 1
        fi
        echo "`basename \"$0\"`:error: could not find CrossOver in '$cx_root'" >&2
        exit 1
    fi
    return 0
}


#----------------------------------------------------------------------------
#   capture_file
#       Record the contents of a file on the system
#----------------------------------------------------------------------------
capture_file()
{
    echo "FILE $1"
    cat "$1" 2>&1
    echo "----------"
}

#----------------------------------------------------------------------------
#   capture_command
#       Invoke and record the output of a command
#----------------------------------------------------------------------------
capture_command()
{
    echo "COMMAND $1"
    eval "$1" 2>&1
    echo "----------"
}


if [ $# -gt 0 ]
then
    name0=`basename "$0"`
    if [ "$1" = "--help" -o "$1" = "-h" -o "$1" = "-?" ]
    then
        echo "Usage: $name0 [--help]"

        echo
        echo "This script gathers up information about a given system that is relevant"
        echo "to CrossOver. It runs best from a CrossOver install but will also run"
        echo "completely standalone."

        echo ""
        echo "Options:"
        echo "  --help, -h   Shows this help message";
        exit 0
    fi
    echo "$name0:error: unknown option '$1'" >&2
    echo "$name0:error: try '$name0 --help' for more information" >&2
    exit 2
fi


echo "#------------------------------------------------------------------------"
echo "#  System Information; `date`"
echo "#------------------------------------------------------------------------"

# Capture the general machine information
capture_command "uname -a"
for file in /etc/*release* /etc/*version*
do
    capture_file "$file"
done
capture_command "df -k"
capture_command "ulimit -a"
# Capture the environment before we modify $PATH
capture_command "env"
capture_file "/proc/version"
capture_file "/proc/cpuinfo"
capture_file "/proc/meminfo"


# On some systems we need to extend $PATH
PATH="$PATH:/sbin:/usr/sbin:/usr/local/sbin:/usr/X/bin"
export PATH


# Capture version information
capture_command "konqueror --version"
capture_command "gnome-session --version"
capture_command "gnome-panel --version"
capture_command "mozilla --version"
capture_command "firefox --version"
capture_command "thunderbird --version"
capture_command "evolution --version"
capture_command "clamdscan --version"
capture_command "clamscan --version"
# Some ALSA versions are buggy and get into an infinite loop
# when generating these files. So truncate the output.
capture_file "/proc/asound/version" | head -n 10
capture_file "/proc/asound/cards" | head -n 20


# More CrossOver-specific checks
locate_cx_root --no-fail
capture_file "/etc/mtab"
capture_file "/etc/prelink.conf"
capture_file "/etc/sysconfig/prelink"
capture_command "ls -l /lib/libc-*.so /lib/libc.so*"
capture_command "$cx_root/bin/wine --version"
capture_command "$cx_root/bin/locate_gui.sh"


# Capture low-level information
capture_command "xdpyinfo"
capture_command "glxinfo"
capture_file "/proc/self/maps"
capture_command "lsmod"
capture_command "sysctl -a"