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#!/usr/bin/bash
# Part of the dgrp-1.9.35 PKGBUILD from Arch Linux AUR
# http://aur.archlinux.org/
# If you remove this script your package will not auto rebuild
# and your hardware will stop working after the next kernel upgrade.
# Purpose: Automatically build and install this package on the next login
# after pacman removes it on kernel upgrade.
# Every package that needs to be autorebuilt should have a shell script
# like this one. All you need is a PKGBUILD and a sense file to tell
# when the package is missing.
# This shell script can be easily adapted to any PKGBUILD. As an alternative
# you can look into "DKMS" Dynamic Kernel Module Support.
# To launch, add this to any user's profile or the system profile.
# The preferred user is the one most likely to log on after an upgrade.
# sudo must be installed and configured. Each user expected to rebuild packages
# must be added to the wheel group (usermod -G).
# for install_group in `groups`; do
# if [ "$install_group" = "wheel" ]; then
# find ~/build -type f -perm /400 -name "autorebuild-*.sh" -exec sh '{}' ';'
# break
# fi
# done
# This presumes you have neatly placed all your packages into ~build.
# (Note: the multi user aspect has yet to be tested)
# For multiple users you can use a standard folder set to be world writable.
sensefile="/usr/lib/modules/$(uname -r)/misc/dgrp.ko"
rebuildtitle='Digi RealPort driver for Ethernet serial servers'
set -e
set -u
if [ ! -s "${sensefile}" ]; then
if [ "${EUID}" -ne 0 ]; then
cd "$(dirname "$0")" # compatible with cron and find
#prevumask=$(umask); umask 000
makepkg -sCcfi || sleep 5
#umask ${prevumask}
## Allow other users to build without permissions interference
## This would be a security problem in most environments
## chmod 777 files with any x bit set
#find . -type f ! "(" -perm 666 -o -perm 777 ")" -a -perm /111 -exec chmod 777 '{}' ';'
## chmod 666 files without any x bit set
#find . -type f ! "(" -perm 666 -o -perm 777 ")" -a "!" -perm /111 -exec chmod 666 '{}' ';'
## chmod 777 files with any x bit set
#find . -type d ! -perm 777 -exec chmod 777 '{}' ';'
else
# su user -c "$*" # this might work if you need the root user to rebuild.
echo "$(tput clear)"
echo "Important. A recent kernel upgrade has diabled your"
echo ""
echo "${rebuildtitle}"
echo "Status: Disabled!"
echo ""
echo "It is easy to rebuild and enable but not by a root user."
echo "You must log in as a non root user with sudo access (wheel group) and"
echo ""
echo "run: $0"
echo ""
echo "if it doesn't start automatically."
echo "Press Enter"
read autorebuild
fi
else
echo "${rebuildtitle} already installed"
fi
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