Latest wacom driver installer, with rc.local patching for detecting new kernel versions, gksudo if display is available, and kernel-version aware.

wacom-driver-installer

#!/bin/bash

URL="http://downloads.sourceforge.net/project/linuxwacom/xf86-input-wacom/input-wacom/input-wacom-0.20.0.tar.bz2?r=http%3A%2F%2Fsourceforge.net%2Fprojects%2Flinuxwacom%2Ffiles%2Fxf86-input-wacom%2Finput-wacom%2F&ts=`date +%s`&use_mirror=freefr"

WORKDIR="/tmp/wacom"
TARFILE="$WORKDIR/wacom.tar.bz2"
SRCDIR="$WORKDIR/input-wacom-*"

SCRIPT=`readlink -e $0`
NAME=`basename $SCRIPT`
KERNEL=`uname -r`
KTYPE=`echo $KERNEL|rev|cut -d "-" -f 1|rev`
INSTALLED="/etc/wacom-driver-installer/installed"

# Test if running as sudo
if [ "$USER" != "root" ]; then
    echo "Not running as root user."
    if [ "$DISPLAY" ]; then
        gksudo --description "$NAME needs superuser rights" -- x-terminal-emulator -e /bin/bash -c "$SCRIPT; read -p 'Press ENTER to exit.'"
        exit $?
    fi
    echo "Run sudo $SCRIPT."
    exit 1
fi

# Add self to /bin
if [ "`dirname $SCRIPT`" != "/bin" ]; then
    if [ ! -f "/bin/$NAME" ]; then
        echo "Copying script, not in /bin."
        cp $SCRIPT /bin/$NAME
    elif [ `md5sum /bin/$NAME | cut -f 1 -d " "` != `md5sum $SCRIPT | cut -f 1 -d " "` ]; then
        echo "Update script to /bin"
        cp -f $SCRIPT /bin/$NAME
    fi
    echo "Running from /bin/$NAME."
    /bin/$NAME
    exit $?
fi

# Add to rc.local
if grep -Fxq $SCRIPT /etc/rc.local; then
    echo "Skipping, rc.local already patched."
else
    echo "Patching rc.local for running this script on every startup."
    echo "`tac /etc/rc.local|awk '/exit 0/ {p=1}p'|tac|head -n -1`" > /etc/rc.local
    echo $SCRIPT >> /etc/rc.local
    echo "exit 0" >> /etc/rc.local
fi

# Skip proceture if kernel already patched
if grep -Fxq $KERNEL $INSTALLED; then
    echo "Exiting, module already compiled for current kernel version."
    exit 0
fi

# Install dependencies
echo "Installing dependencies"
apt-get install build-essential libX11-dev libxi-dev x11proto-input-dev xserver-xorg-dev libxrandr-dev libncurses5-dev autoconf libtool linux-headers-$KTYPE

# Create working dir
if [ -d "$WORKDIR" ]; then rm -Rf "$WORKDIR"; fi
mkdir -p "$WORKDIR"

# Install driver
echo "Downloading driver."
wget --quiet --output-document "$TARFILE" $URL
tar -xf "$TARFILE" -C "$WORKDIR"
cd $SRCDIR

echo "Compiling module for $KERNEL"
make clean > /dev/null 2>&1
KOPATH=`./configure --prefix=/usr|grep --context=1 "Your wacom.ko is"|tail -n 1|sed -e 's/^ *//g' -e 's/ *$//g'`
cp -f $KOPATH/wacom.ko /lib/modules/$KERNEL/kernel/drivers/input/tablet/wacom.ko
depmod -a

# Saving current kernel to compiled driver list
mkdir -p `dirname $INSTALLED`
echo $KERNEL >> $INSTALLED
rm -Rf $WORKDIR

echo "Finished"