path: root/post.install

# This is a default template for a post-install scriptlet.
# Uncomment only required functions and remove any functions
# you don't need (and this header).

## arg 1:  the new package version
#pre_install() {
	# do something here
#}

## arg 1:  the new package version
post_install() {

#descobrir o nome do usuario
who=$(who | awk '{ print $1 }' | head -n 1)

#adicinar usuario ao grupo realtime e video
if [ -n "$(getent group | grep realtime)" ];then
    usermod -a -G realtime $who
else
echo '
users=$(ls /home)
for i in $users; do 
	if [ -z "$(groups $i | grep realtime)" ]; then
		usermod -a -G realtime $i
	fi
done' | tee -a /usr/bin/big-first-boot
fi
usermod -a -G video $who
usermod -a -G audio $who


### toda essa parte foi movida para o systemD ###
#Aumentar a frequência de interrupção RTC
#echo 2048 > /sys/class/rtc/rtc0/max_user_freq
#echo 2048 > /proc/sys/dev/hpet/max-user-freq

#configurar o swapness para 10
#cat /proc/sys/vm/swappiness
#echo "vm.swappiness = 10" | tee /etc/sysctl.d/90-swappiness.conf
#cat /proc/sys/vm/vfs_cache_pressure
#echo "vm.vfs_cache_pressure = 100" | tee /etc/sysctl.d/99-vm.vfs_cache_pressure.conf

### até aqui ###

### movido para arquivos dentro do .pkg.tar.zst ###

#Increasing the maximum watches on files to 6000
#cat /proc/sys/fs/inotify/max_user_watches
#if [ ! -e "/etc/sysctl.d/90-max_user_watches.conf" ]; then
#    echo fs.inotify.max_user_watches = 600000 | tee /etc/sysctl.d/90-max_user_watches.conf
#elif [ -e "/etc/sysctl.d/90-max_user_watches.conf" ]; then
#    sed -i '/fs.inotify.max_user_watches/s/=.*$/= 600000/' /etc/sysctl.d/90-max_user_watches.conf
#fi

#baixar a latencia das placas de audio PCI internas
for i in $(lspci | grep -i audio | awk '{print $1}'); do setpci -v -s $i latency_timer=ff; done

#if [ ! -e /etc/security/limits.d/audio.conf ];then
#    touch /etc/security/limits.d/audio.conf
#fi

#aumentar a prioridade e memoria para o audio
#if [ -z "$(grep 'rtprio     98' /etc/security/limits.d/audio.conf)" ]; then
#    echo "@audio   -  rtprio     98" | tee -a /etc/security/limits.d/audio.conf
#fi
#if [ -z "$(grep 'memlock    unlimited' /etc/security/limits.d/audio.conf)" ]; then
#    echo "@audio   -  memlock    unlimited" | tee -a /etc/security/limits.d/audio.conf
#fi
#if [ -z "$(grep 'KERNEL=="rtc0", GROUP="audio"' /etc/udev/rules.d/40-timer-permissions.rules)" ]; then 
#    echo 'KERNEL=="rtc0", GROUP="audio"' | tee -a /etc/udev/rules.d/40-timer-permissions.rules
#fi
#if [ -z "$(grep 'KERNEL=="hpet", GROUP="audio"' /etc/udev/rules.d/40-timer-permissions.rules)" ]; then 
#    echo 'KERNEL=="hpet", GROUP="audio"' | tee -a /etc/udev/rules.d/40-timer-permissions.rules
#fi
#if [ -z "$(grep 'KERNEL=="raw1394", GROUP="audio"' /etc/udev/rules.d/50-raw-firewire.rules)" ]; then 
#    echo 'KERNEL=="raw1394", GROUP="audio"' | tee -a /etc/udev/rules.d/50-raw-firewire.rules
#fi

### até aqui ###

#PAM-enabled login
if [ -z "$(grep pam_limits.so /etc/pam.d/crond)" ]; then
    echo "session   required    pam_limits.so" | tee -a /etc/pam.d/crond
fi
if [ -z "$(grep pam_limits.so /etc/pam.d/login)" ]; then
    echo "session   required    pam_limits.so" | tee -a /etc/pam.d/login
fi
if [ -z "$(grep pam_limits.so /etc/pam.d/polkit-1)" ]; then
    echo "session   required    pam_limits.so" | tee -a /etc/pam.d/polkit-1
fi
if [ -z "$(grep pam_limits.so /etc/pam.d/system-auth)" ]; then
    echo "session   required    pam_limits.so" | tee -a /etc/pam.d/system-auth
fi
if [ -z "$(grep pam_limits.so /etc/pam.d/system-services)" ]; then
    echo "session   required    pam_limits.so" | tee -a /etc/pam.d/system-services
fi


##se o processador for intel desativar o pstate
#verificar se o processador é intel
cpu=$(lscpu | grep -i intel)
#verificar se o pstate está ativo
pstate=$(cat /etc/default/grub | grep intel_pstate=disable)

#se o processador for intel and o pstate tiver ativo
if [ -n "$cpu" -a -n "$pstate" ]; then
	#desativar o pstate
	sed -i '/GRUB_CMDLINE_LINUX_DEFAULT/s/\"/ intel_pstate=disable"/2' /etc/default/grub
	#update-grub
fi

##desativar o mitigations
mitigations=$(cat /etc/default/grub | grep mitigations=off)
#se o mitigations não estiver em off
if [ -z "$mitigations" ]; then
	sed -i '/GRUB_CMDLINE_LINUX_DEFAULT/s/\"/ mitigations=off"/2' /etc/default/grub
	#update-grub
fi

clearcpuid=$(cat /etc/default/grub | grep clearcpuid=514)
#se o clearcpuid não estiver
if [ -z "$clearcpuid" ]; then
	sed -i '/GRUB_CMDLINE_LINUX_DEFAULT/s/\"/ clearcpuid=514"/2' /etc/default/grub
	#update-grub
fi

nowatchdog=$(cat /etc/default/grub | grep nowatchdog)
#se o nowatchdog não estiver
if [ -z "$nowatchdog" ]; then
	sed -i '/GRUB_CMDLINE_LINUX_DEFAULT/s/\"/ nowatchdog"/2' /etc/default/grub
	#update-grub
fi

nosoftlockup=$(cat /etc/default/grub | grep nosoftlockup)
#se o nosoftlockup não estiver
if [ -z "$nosoftlockup" ]; then
	sed -i '/GRUB_CMDLINE_LINUX_DEFAULT/s/\"/ nosoftlockup"/2' /etc/default/grub
	#update-grub
fi

audit=$(cat /etc/default/grub | grep audit)
#se o audit não estiver
if [ -z "$audit" ]; then
	sed -i '/GRUB_CMDLINE_LINUX_DEFAULT/s/\"/ audit=0"/2' /etc/default/grub
	#update-grub
fi

skewtick=$(cat /etc/default/grub | grep skew_tick=1)
#se o skewtick não estiver
if [ -z "$skewtick" ]; then
	sed -i '/GRUB_CMDLINE_LINUX_DEFAULT/s/\"/ skew_tick=1"/2' /etc/default/grub
	#update-grub
fi

threadirqs=$(cat /etc/default/grub | grep threadirqs)
#se o threadirqs não estiver
if [ -z "$threadirqs" ]; then
	sed -i '/GRUB_CMDLINE_LINUX_DEFAULT/s/\"/ threadirqs"/2' /etc/default/grub
	#update-grub
fi
update-grub

systemctl start xiva-audio-config
udevadm control --reload-rules
udevadm trigger

}


## arg 1:  the new package version
## arg 2:  the old package version
#pre_upgrade() {
	# do something here
#}

## arg 1:  the new package version
## arg 2:  the old package version
#post_upgrade() {
	# do something here
#}

## arg 1:  the old package version
#pre_remove() {
	# do something here
#}

## arg 1:  the old package version
#post_remove() {
	# do something here
#}