getget

#!/bin/bash
## conf and install packs over base-system
## https://youtu.be/RuLSZkWwlC4
## https://github.com/quarkscript/batch-install-scripts

# write your own user name and host name if you want
user_name=linuser
host_name=pc

echo 'Set localtime' 
rm -r /etc/localtime
ln -s /usr/share/zoneinfo/Europe/Kiev /etc/localtime

echo 'Set hostname' 
echo $host_name > /etc/hostname

## function - edit config file
f-ecf(){
cp $1 $1.tmp
echo "cat $1.tmp | sed -e 's@"$2"@"$3"@g' >$1" >rsct.tmp
chmod +x rsct.tmp
./rsct.tmp
rm -f $1.tmp rsct.tmp
}

echo 'Set locale'  
for i in en_US uk_UA ru_RU; do
    f-ecf "/etc/locale.gen" "#$i.UTF-8 UTF-8" "$i.UTF-8 UTF-8"
done
locale-gen

echo 'Set lang'  
echo '#LANG="en_US.UTF-8" 
LANG="uk_UA.UTF-8" 
#LANG="ru_RU.UTF-8" ' > /etc/locale.conf
echo 'KEYMAP=us
#KEYMAP_TOGGLE=ua
FONT=UniCyr_8x16' > /etc/vconsole.conf

echo 'Update packages'  
pacman -Syu --noconfirm --needed  

echo 'Drop already installed packages'  
earlybatchlist=$(cat packages.txt | grep -vx "$(pacman -Qqe)")

# drop unavailable packages
rm -f ignored.txt
echo 'Search bad package from batch list'  
batchlist=""
for i in $earlybatchlist
    do
        if $(pacman -Ss $i | grep $i -w -q)
            then
            batchlist+="$i "
        else
            echo $i >>ignored.txt
        fi
        printf "."
done
echo 'done' 
if [ ! -e ignored.txt ]
    then
    echo 'it seems all packages available' 
else
    echo "not all packages from batch list can be installed" 
    echo "check ignored.txt" 
fi

# batch installation
pacman -S $batchlist --noconfirm --needed  

systemctl enable sddm
useradd -m -g users -s /bin/bash $user_name 
systemctl enable org.cups.cupsd.service 
gpasswd -a $user_name sys 
gpasswd -a $user_name wheel 
gpasswd -a $user_name optical
gpasswd -a $user_name lp
echo $user_name' ALL=(ALL) ALL'>> /etc/sudoers
systemctl disable dhcpcd 
systemctl enable NetworkManager.service 

echo '## Some customizations ##' 
echo 'Tune pkgbuild system' 
cp /etc/makepkg.conf /etc/makepkg.conf.orig 
echo 'enable smp makepkg' 
f-ecf '/etc/makepkg.conf' '#MAKEFLAGS=' 'MAKEFLAGS='
f-ecf '/etc/makepkg.conf' '-j2' '-j$(($(grep "model name" /proc/cpuinfo --count)+1))'
#echo "DANGER! Compiled pkg's may fail and won't work with the other hw. BE AWARE!" 
#f-ecf '/etc/makepkg.conf' '-mtune=generic' '-mtune=native' 
echo 'set pkg-compression threads' 
f-ecf '/etc/makepkg.conf' 'xz -c -z' 'xz -c -z -T $(($(grep "model name" /proc/cpuinfo --count)+1))' 
#
echo 'Tune grub settings' 
cp /etc/default/grub /etc/default/grub.orig  
echo 'set kernel boot params' 
f-ecf '/etc/default/grub' 'GRUB_CMDLINE_LINUX_DEFAULT="quiet"' 'GRUB_CMDLINE_LINUX_DEFAULT="quiet zswap.compressor=lzo zswap.max_pool_percent=20 elevator=cfq"'
echo 'tune grub-menu colors' 
f-ecf '/etc/default/grub' '#GRUB_COLOR_NORMAL="light-blue/black"' 'GRUB_COLOR_NORMAL="light-cyan/black"'
f-ecf '/etc/default/grub' '#GRUB_COLOR_HIGHLIGHT="light-cyan/blue"' 'GRUB_COLOR_HIGHLIGHT="black/light-cyan"'
echo 'enable grub wallpaper, you need to copy png image to /boot/grub/walp.png and update grub' 
f-ecf '/etc/default/grub' '#GRUB_BACKGROUND="/path/to/wallpaper"' 'GRUB_BACKGROUND="/boot/grub/wallp.png"'
#
echo 'Tune mkinitcpio' 
cp /etc/mkinitcpio.conf /etc/mkinitcpio.conf.orig 
echo 'add drivers to initrd' 
f-ecf '/etc/mkinitcpio.conf' 'MODULES=()' 'MODULES=(btrfs lz4)'
echo 'edit kernel hooks ' 
f-ecf '/etc/mkinitcpio.conf' 'HOOKS=(base udev autodetect modconf block filesystems keyboard fsck)' 'HOOKS=(base udev autodetect modconf block filesystems keyboard usr fsck shutdown)'
echo 'set xz-compression to initrd' 
f-ecf '/etc/mkinitcpio.conf' '#COMPRESSION="xz"' 'COMPRESSION="xz"'
#
echo 'Enable colors for pacman' 
cp /etc/pacman.conf /etc/pacman.conf.orig
cat /etc/pacman.conf.orig | sed -e 's/#Color/Color/g' >/etc/pacman.conf
#
echo 'Set layouts and key switches' 
mkdir /home/$user_name/.config
cat<<EOF>/home/$user_name/.config/kxkbrc
[Layout]
DisplayNames=,,
LayoutList=us,ua,ru
LayoutLoopCount=-1
Model=pc101
Options=grp:ctrl_shift_toggle
ResetOldOptions=true
ShowFlag=true
ShowLabel=true
ShowLayoutIndicator=true
ShowSingle=false
SwitchMode=Global
Use=true
EOF
chown -R $user_name /home/$user_name
echo '##...##' 
echo '
  if you want to setup a hwclock 
  to localtime, run as root after reboot
  timedatectl set-local-rtc 1
' 
echo 'and now enter a new password for user:' $user_name
passwd $user_name

echo 'Disable root' 
passwd -l root

# copy wallpaper to grub
cp /usr/share/wallpapers/Next/contents/images/1024x768.png /boot/grub/wallp.png