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#!/bin/sh
#
# This attempts to build and install the i2c-pseudo Linux kernel module.
# Installs a udev rule making i2c-pseudo devices read-write by users in plugdev.
set -e
cd "$(dirname "$0")"
make clean
make
ret=0
sudo make modules_install || ret="$?"
# Only install udev rule if plugdev group exists.
if getent group plugdev > /dev/null; then
sudo cp -iv 50-i2c-pseudo.rules /etc/udev/rules.d/ \
|| echo 1>&2 "NOTICE: Failed to copy udev rules file."
fi
if [ "$ret" -eq 0 ]; then
make clean
sudo depmod -a
sudo modprobe i2c-pseudo
echo "SUCCESS: installed and loaded i2c-pseudo module"
else
echo 1>&2 "WARNING: make modules_install failed with exit status $ret."
echo 1>&2 "The module has not been installed for future reuse."
echo 1>&2 "Will still attempt to load the module, using insmod instead of "\
"modprobe."
ret=0
sudo insmod i2c-pseudo.ko || ret="$?"
if [ "$ret" -ne 0 ]; then
make clean
exit "$ret"
fi
echo "PARTIAL SUCCESS: loaded i2c-pseudo module (not installed)"
make clean
fi
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