INSTALL

#!/bin/bash

# Some parts of this script should run with sudo, others not
if [[ $(id -u) -ne 0 ]] ; then echo "Please run as root" ; exit 1 ; fi

if [ -n "$SUDO_USER" ]; then 
	true_user=$SUDO_USER
	nonroot_cmd="sudo -u $true_user "
else
	true_user=$(whoami)
	nonroot_cmd=""
fi

# unload the driver if it's already loaded
modprobe -r men_pldz002_cham

cd "$(dirname "$0")"

# keep things up to date
yum -y check-update
yum -y upgrade
yum -y groupinstall "Development Tools"
yum -y install kernel-devel

# check the kernel version
running_kernel=`uname -r`
last_installed_kernel=`rpm -q --qf '%{INSTALLTIME}\t%{Version}-%{Release}.%{Arch}\n' kernel | sort -n | tail -1 | cut -f 2`
echo "Running kernel $running_kernel"
echo "Last installed kernel $last_installed_kernel"
if [ $running_kernel != $last_installed_kernel ]; then
	echo "Newer kernel installed, please uninstall or reboot"
	exit 1
fi

# check for symlink in /usr/src to kernel headers -- not sure what would make this
# This link seems to be bad practice, but the drivers require it.
if [ "/usr/src/kernels/$running_kernel" != "`readlink /usr/src/linux`" ]; then
	echo "Need symblic link from /usr/src/linux to /usr/src/kernels/$running_kernel"
	if [ -e /usr/src/linux ]; then
		echo "Deleting the existing link to `readlink /usr/src/linux`"
		rm /usr/src/linux
	fi
	ln -s "/usr/src/kernels/$running_kernel" /usr/src/linux
	echo "Made the link"
fi
	


echo "Update git submodules"
$nonroot_cmd git submodule update --init --recursive
echo "Done Updating git submodules"

echo "Install MEN MDIS for Linux System Package"
(cd 13MD05-90 && ./INSTALL -f)
echo "Done Installing MEN MDIS for Linux System Package"

echo "Install A25 drivers"
# it seems make needs to be run as root, for some reason.
(cd A25_files && make &&  make install && /opt/menlinux/DRIVERS/VME_16Z002/nodes.sh && echo "/usr/local/lib" > /etc/ld.so.conf.d/menlinux.conf && ldconfig)
(cd A25_files && make clean)
echo "Done Installing A25 drivers"

echo "Load VME Kernel Module at boot up"
echo "men_pldz002_cham" > /etc/modules-load.d/men_pldz002_cham.conf
echo 'ACTION=="add",SUBSYSTEM=="module",KERNEL=="men_pldz002_cham",RUN+="/opt/menlinux/DRIVERS/VME_16Z002/nodes.sh && chmod a+w /dev/vme4l_a* /dev/vme4l_cr_csr"' > /etc/udev/rules.d/99-vme4l_nodes.rules
echo "modules-load file written"


echo "Load VME Kernel driver now"
modprobe men_pldz002_cham
/opt/menlinux/DRIVERS/VME_16Z002/nodes.sh
echo "VME Kernel driver loaded"

echo "Install complete!"