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#!/bin/bash
if [ $(id -u) != "0" ]; then
echo "This script must be run as root" 1>&2
exit 1
fi
# post install
#
# adjust nproc in make.conf
# setup /etc/fstab
#plymouth-set-default-theme fade-in
# adjust /etc/default/grub
# splash quiet
#rc-update add zfs-import boot
#rc-update add zfs-mount boot
sensors-detect --auto
rc-update add lm_sensors default
# grub-install
# grub-mkconfig -o /boot/grub/grub.cfg
setup_btrfs () {
DEVICE=$1
mkfs.btrfs -f -L GENTOO /dev/$DEVICE
mkdir /mnt/install
mount /dev/$DEVICE /mnt/install
btrfs subvolume create /mnt/install/@
btrfs subvolume create /mnt/install/@/.snapshots
mkdir /mnt/install/@/.snapshots/1
btrfs subvolume create /mnt/install/@/.snapshots/1/snapshot
mkdir -p /mnt/install/@/boot/grub2/
btrfs subvolume create /mnt/install/@/boot/grub/i386-pc
btrfs subvolume create /mnt/install/@/boot/grub/x86_64-efi
btrfs subvolume create /mnt/install/@/home
btrfs subvolume create /mnt/install/@/opt
btrfs subvolume create /mnt/install/@/root
btrfs subvolume create /mnt/install/@/srv
btrfs subvolume create /mnt/install/@/tmp
mkdir /mnt/install/@/usr/
btrfs subvolume create /mnt/install/@/usr/local
btrfs subvolume create /mnt/install/@/var
chattr +C /mnt/install/@/var
echo "<?xml version=\"1.0\"?>
<snapshot>
<type>single</type>
<num>1</num>
<date>$(date)</date>
<description>first root filesystem</description>
</snapshot>" > /mnt/install/@/.snapshots/1/info.xml
btrfs subvolume set-default $(btrfs subvolume list /mnt/install | grep "@/.snapshots/1/snapshot" | grep -oP '(?<=ID )[0-9]+') /mnt/install
umount /mnt/install
mount /dev/$DEVICE /mnt/install
# ls /mnt/install should respond with empty result
mkdir /mnt/install/.snapshots
mkdir -p /mnt/install/boot/grub/i386-pc
mkdir -p /mnt/install/boot/grub/x86_64-efi
mkdir /mnt/install/home
mkdir /mnt/install/opt
mkdir /mnt/install/root
mkdir /mnt/install/srv
mkdir /mnt/install/tmp
mkdir -p /mnt/install/usr/local
mkdir /mnt/install/var
mount /dev/$DEVICE /mnt/install/.snapshots -o subvol=@/.snapshots
mount /dev/$DEVICE /mnt/install/boot/grub/i386-pc -o subvol=@/boot/grub/i386-pc
mount /dev/$DEVICE /mnt/install/boot/grub/x86_64-efi -o subvol=@/boot/grub/x86_64-efi
mount /dev/$DEVICE /mnt/install/home -o subvol=@/home
mount /dev/$DEVICE /mnt/install/opt -o subvol=@/opt
mount /dev/$DEVICE /mnt/install/root -o subvol=@/root
mount /dev/$DEVICE /mnt/install/srv -o subvol=@/srv
mount /dev/$DEVICE /mnt/install/tmp -o subvol=@/tmp
mount /dev/$DEVICE /mnt/install/usr/local -o subvol=@/usr/local
mount /dev/$DEVICE /mnt/install/var -o subvol=@/var
umount -l /mnt/install/boot/efi /mnt/install/var /mnt/install/usr/local /mnt/install/tmp /mnt/install/srv /mnt/install/root /mnt/install/opt /mnt/install/home \
/mnt/install/boot/grub/x86_64-efi /mnt/install/boot/grub/i386-pc /mnt/install/.snapshots /mnt/install
}
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