90 lines
1.8 KiB
Bash
Executable File
90 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
set -e
|
|
|
|
ROOTFS="$1"
|
|
IMG="aios.img"
|
|
IMG_SIZE="4G"
|
|
ESP_SIZE=512 # MiB
|
|
LOOP=""
|
|
|
|
cleanup() {
|
|
set +e
|
|
umount -R /mnt/aios 2>/dev/null
|
|
[[ -n "$LOOP" ]] && losetup -d "$LOOP" 2>/dev/null
|
|
rmdir /mnt/aios 2>/dev/null
|
|
set -e
|
|
}
|
|
trap cleanup EXIT
|
|
|
|
if [[ -z "$ROOTFS" || ! -d "$ROOTFS" ]]; then
|
|
echo "Usage: $0 <rootfs-dir>"
|
|
exit 1
|
|
fi
|
|
|
|
rm -f "$IMG"
|
|
|
|
echo "--- Creating raw image ($IMG_SIZE) ---"
|
|
fallocate -l "$IMG_SIZE" "$IMG"
|
|
|
|
echo "--- Partitioning (GPT: ESP + root) ---"
|
|
sgdisk -Z "$IMG"
|
|
sgdisk -n 1:0:+${ESP_SIZE}M -t 1:EF00 -c 1:"ESP" "$IMG"
|
|
sgdisk -n 2:0:0 -t 2:8300 -c 2:"root" "$IMG"
|
|
|
|
echo "--- Setting up loop device ---"
|
|
LOOP=$(losetup --find --show --partscan "$IMG")
|
|
PART_ESP="${LOOP}p1"
|
|
PART_ROOT="${LOOP}p2"
|
|
|
|
# Wait for partition devices
|
|
udevadm settle
|
|
sleep 1
|
|
|
|
echo "--- Formatting partitions ---"
|
|
mkfs.fat -F 32 "$PART_ESP"
|
|
mkfs.ext4 -F "$PART_ROOT"
|
|
|
|
echo "--- Mounting and copying rootfs ---"
|
|
mkdir -p /mnt/aios
|
|
mount "$PART_ROOT" /mnt/aios
|
|
mkdir -p /mnt/aios/boot
|
|
mount "$PART_ESP" /mnt/aios/boot
|
|
|
|
cp -a "$ROOTFS"/. /mnt/aios/
|
|
|
|
echo "--- Generating fstab ---"
|
|
genfstab -U /mnt/aios > /mnt/aios/etc/fstab
|
|
|
|
echo "--- Installing systemd-boot ---"
|
|
arch-chroot /mnt/aios bootctl install
|
|
|
|
echo "--- Creating boot entry ---"
|
|
ROOT_UUID=$(blkid -s UUID -o value "$PART_ROOT")
|
|
|
|
mkdir -p /mnt/aios/boot/loader/entries
|
|
|
|
cat > /mnt/aios/boot/loader/loader.conf <<'EOF'
|
|
default aios.conf
|
|
timeout 3
|
|
console-mode max
|
|
EOF
|
|
|
|
cat > /mnt/aios/boot/loader/entries/aios.conf <<EOF
|
|
title aios
|
|
linux /vmlinuz-linux
|
|
initrd /initramfs-linux.img
|
|
options root=UUID=$ROOT_UUID rw
|
|
EOF
|
|
|
|
echo "--- Generating initramfs ---"
|
|
arch-chroot /mnt/aios mkinitcpio -P
|
|
|
|
echo "--- Unmounting ---"
|
|
umount -R /mnt/aios
|
|
losetup -d "$LOOP"
|
|
LOOP=""
|
|
rmdir /mnt/aios 2>/dev/null
|
|
|
|
echo "--- $IMG ready ---"
|