arch-install-automation/post-install.sh

#!/bin/bash

if [[ $EUID -ne 0 ]]; then
    echo "This script must be run as root!" >&2
    exit 1
fi

echo "Taking fresh install snapshot..."

btrfs subvolume snapshot -r / /.snapshots/@clean-install-snapshot


echo "Setting up grup-btrfs..."

systemctl enable --now grub-btrfsd.service
grub-mkconfig -o /boot/grub/grub.cfg

echo "Setting up pacman hooks..."

if [[ ! -d "/etc/pacman.d/hooks/" ]]; then
    mkdir -p "/etc/pacman.d/hooks/"
fi

cat <<'EOF' > /etc/pacman.d/hooks/90-btrfs-snapshot.hook
[Trigger]
Type = Package
Operation = Install
Operation = Upgrade
Operation = Remove
Target = linux
Target = linux-lts
Target = intel-ucode
Target = grub

[Action]
Description = Creating BTRFS snapshot before system upgrade
When = PreTransaction
Exec = /usr/bin/bash -c '/usr/bin/btrfs subvolume snapshot / /.snapshots/@root-snapshot-$(date +%Y-%m-%d-%H-%M)'
AbortOnFail
EOF

cat <<'EOF' > /etc/pacman.d/hooks/91-grub-mkconfig.hook
[Trigger]
Type = Package
Operation = Install
Operation = Upgrade
Operation = Remove
Target = linux
Target = linux-lts
Target = intel-ucode
Target = grub

[Action]
Description = Update grub cfg so it can boot from new snapshots
When = PostTransaction
Exec = /usr/bin/bash -c '/usr/bin/grub-mkconfig -o /boot/grub/grub.cfg'
EOF

echo "Cloning repos..."

git clone https://git.tovijaeschke.xyz/tovi/dmenu.git /usr/local/src/dmenu
git clone https://git.tovijaeschke.xyz/tovi/dwm.git /usr/local/src/dwm
git clone https://git.tovijaeschke.xyz/tovi/dwmblocks.git /usr/local/src/dwmblocks
git clone https://git.tovijaeschke.xyz/tovi/st.git /usr/local/src/st

git clone https://github.com/neovim/neovim /usr/local/src/neovim

echo "Building dmenu..."
cd /usr/local/src/dmenu/
make
make install
make clean

echo "Building dwm..."
cd /usr/local/src/dwm/
make
make install
make clean

echo "Building dwmblocks..."
cd /usr/local/src/dwmblocks/
make
make install
make clean

echo "Building st..."
cd /usr/local/src/st/
make
make install
make clean

echo "Building neovim..."
cd /usr/local/src/st/
make CMAKE_BUILD_TYPE=RelWithDebInfo
make install

echo "Building yay..."
git clone https://aur.archlinux.org/yay.git /opt/yay/
cd /opt/yay
makepkg -si

echo "Cloning dotfiles..."

echo "Enabling networkmanager service..."

systemctl enable NetworkManager

echo "Taking post install script snapshot..."

btrfs subvolume snapshot -r / /.snapshots/@post-install-snapshot