#!/bin/sh

##############################
#
#    应用配置部分
#
##############################
function app(){
# caddy配置
pacman -S --noconfirm caddy
sed -i 's@^\(\s*root \* /usr/share/caddy\)$@#\1@' /etc/caddy/Caddyfile
sed -i 's@^\(\s*file_server\)$@#\1\nerror 404@' /etc/caddy/Caddyfile
systemctl enable --now caddy

# docker配置，腾讯云源
pacman -S --noconfirm docker
mkdir /etc/docker
cat << EOL > /etc/docker/daemon.json
{
 "registry-mirrors": [ "https://mirror.ccs.tencentyun.com" ]
}
EOL
systemctl enable --now docker

# fish配置
pacman -S --noconfirm fish
mkdir -p ~/.config/fish/conf.d
cat << EOL > ~/.config/fish/conf.d/10-root.fish
set fish_greeting
set LANG zh_CN.UTF-8
abbr -a lsof lsof -Pi
EOL
chsh -s /usr/bin/fish

# nano 配置
pacman -S --noconfirm nano
cat << EOL >> /etc/nanorc
include "/usr/share/nano/*.nanorc"
set linenumbers
set tabstospaces
set constantshow
set tabsize 4
EOL

# sshd 配置
cat << EOL > /etc/ssh/sshd_config.d/10-vps.conf
PermitRootLogin yes
PasswordAuthentication no
ClientAliveInterval 3600
PrintLastLog no
AddressFamily inet
UsePAM no
EOL
systemctl enable --now sshd

# sshd 公钥
cat << EOL > ~/.ssh/authorized_keys
ssh-ed25519 xx
EOL
}
##############################
#
#    系统安装部分 1
#
##############################
function sys1 (){
# 换源
cat << 'EOL' > /etc/pacman.d/mirrorlist
Server = http://mirrors.tencentyun.com/archlinux/$repo/os/$arch
EOL

# 安装基本包
pacstrap /mnt base linux-lts intel-ucode grub openssh
genfstab -U /mnt >> /mnt/etc/fstab

# 名称服务器配置，腾讯云dns
cat << EOL > /mnt/etc/resolv.conf
nameserver 183.60.82.98
EOL
}
##############################
#
#    系统安装部分 2
#
##############################
function sys2 (){
# 时区
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

# 语言环境配置
cat << EOL > /etc/locale.gen
zh_CN.UTF-8 UTF-8
EOL
locale-gen

# hostname 配置
cat << EOL > /etc/hostname
vps1
EOL

# 设置密码
hash='sha256'
sed -i 's@^\(root:\).*\(:.*::::::\)$@\1'$hash'\2@' /etc/shadow

# 网络配置
cat << EOL > /etc/systemd/network/20-wired.network
[Match]
Name=ens5
[Network]
DHCP=ipv4
EOL
systemctl enable 20-wired.network

# 内核hook
cat << EOL >> /etc/mkinitcpio.conf.d/10-vps.conf
HOOKS=(base udev autodetect microcode modconf kms keyboard keymap block filesystems fsck)'
EOL

# 不生成fallback镜像
sed -i "s/^\(PRESETS=('default' 'fallback')\)$/#\1\nPRESETS=('default')/" /etc/mkinitcpio.d/linux-lts.preset
rm /boot/initramfs-linux-lts-fallback.img

# 引导
grub-install --target=i386-pc /dev/vda
grub-mkconfig -o /boot/grub/grub.cfg
}