banan-os/image-full.sh

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#!/bin/sh
set -e
DISK_SIZE=$[50 * 1024 * 1024]
MOUNT_DIR=/mnt
dd if=/dev/zero of=$DISK_IMAGE_PATH bs=512 count=$[$DISK_SIZE / 512] > /dev/null
sed -e 's/\s*\([-\+[:alnum:]]*\).*/\1/' << EOF | fdisk $DISK_IMAGE_PATH > /dev/null
g # gpt
n # new partition
1 # partition number 1
# default (from the beginning of the disk)
+1MiB # bios boot partiton size
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n # new partition
3 # partition number 3
# default (right after bios boot partition)
+10Mib# partition size
n # new partition
2 # partition number 2
# default (right after bios boot partition)
# default (to the end of disk)
t # set type
1 # ... of partition 1
4 # bios boot partition
t # set type
2 # ... of partition 2
20 # Linux filesystem
t # set type
3 # ... of partition 3
20 # Linux filesystem
w # write changes
EOF
LOOP_DEV=$(sudo losetup -f --show $DISK_IMAGE_PATH)
sudo partprobe $LOOP_DEV
PARTITION1=${LOOP_DEV}p1
PARTITION2=${LOOP_DEV}p2
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PARTITION3=${LOOP_DEV}p3
sudo mkfs.ext2 $PARTITION3 > /dev/null
sudo mount $PARTITION3 $MOUNT_DIR
echo 'hello' | sudo tee ${MOUNT_DIR}/hello.txt > /dev/null
sudo umount $MOUNT_DIR
sudo mkfs.ext2 $PARTITION2 > /dev/null
sudo mount $PARTITION2 $MOUNT_DIR
sudo cp -r ${SYSROOT}/* ${MOUNT_DIR}/
sudo grub-install --no-floppy --target=i386-pc --modules="normal ext2 multiboot" --boot-directory=${MOUNT_DIR}/boot $LOOP_DEV > /dev/null
sudo umount $MOUNT_DIR
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sudo losetup -d $LOOP_DEV