#! /bin/sh
# 
# Copyright 2010 Emmet Hikory <persia@ubuntu.com>
#
# With thanks to Evan Dandrea for pointing the way
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
# 
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

usage () {
    echo "Usage: $0 [-h|--help|-v|--verbose|-V|--version]"
    echo ""
    echo "  -h | --help      print this help"
    echo "  -V | --version   print version information"
}

if [ "$1" != "" ]; then
    case "$1" in
        "-h" | "--help")
            usage
            exit 1
            ;;
        "-V" | "--version")
            echo "Version: @VERSION@"
            exit 1
            ;;
        --debug)
            set -x
            ;;
    esac
fi

amd64name() {
    # Some things are the same
    i386name
}

armelname() {
    # The contents vary wildly, but the location is always the same
    NAME=$(grep Hardware /proc/cpuinfo | cut -d: -f2) 
}

i386name() {
    # The logic here comes mostly from ubiquity
    MANUFACTURER=""
    if [ -x "/usr/sbin/dmidecode" ]; then
        MANUFACTURER=$(/usr/sbin/dmidecode --string system-manufacturer | tr [A-Z] [a-z])
    fi
    if [ -z "$MANUFACTURER" ] || \
       echo "$MANUFACTURER" | grep -q "to be filled"; then
       NAME=""
    elif echo "$MANUFACTURER" | grep -q "bochs" ||
            echo "$MANUFACTURER" | grep -q "vmware"; then
        NAME="virtual machine"
    else
        KEY="system-product-name"
        echo "$MANUFACTURER" | grep -q "lenovo" && KEY="system-version"
        echo "$MANUFACTURER" | grep -q "ibm" && KEY="system-version"
        NAME=$(dmidecode --string "$KEY" )
        echo "$MANUFACTURER" | grep -q "apple" && \
            NAME=$(echo $NAME | sed 's/[,d]*$//')
    fi
}

powerpcname() {
    # Some machines have proper kernel detection
    NAME=$(grep ^detected /proc/cpuinfo | cut -d: -f2 | \
               sed 's/.*(\(.*\))/\1/' )
    # Others store the information in the "machine" field
    if [ -z "$NAME" ]; then
        NAME=$(grep ^machine /proc/cpuinfo | cut -d: -f2 | tr [A-Z] [a-z] )
        grep -q Power "$NAME" && NAME=$(cat "$NAME" | sed s/[,\d]*$//)
        grep -q '(' "$NAME" && NAME=$(cat "$NAME" | sed 's/.*(\(.*\))/\1/')
    fi
    # Sony is special
    if [ -z "$NAME" ]; then
        NAME=$(grep ^model /proc/cpuinfo | cut -d: -f2 | tr [A-Z] [a-z])
    fi
}

# Get the base name in an architecture-dependent way
NAME=""
FUNCTION=$(dpkg --print-architecture)name
if type $FUNCTION > /dev/null; then
    $FUNCTION
else
    echo "Not ported yet" 1>&2
fi

# Either clean it up, or try with devicetype-detect
if [ ! -z "$NAME" ]; then
    NAME=$(echo $NAME | sed -e 's/^[\ -]*//' -e 's/[\ -]*$//' -e 's/\ /-/g')
else
    NAME=$(devicetype-detect)
fi

echo "$NAME"