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Partition Table: Change Script files

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From now we can use build-image-grub.sh to generate a virtual disk
with the supported partition schemes - MBR, GPT & EBR (MBR +
Extended partitions).
This commit is contained in:
Liav A 2020-02-02 01:12:49 +02:00 • committed by Andreas Kling
parent 81544dc5b4
commit 60715695b2
5 changed files with 41 additions and 94 deletions
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31
Kernel/build-image-grub.sh
View file

@ -22,7 +22,7 @@ fi
echo "using grub-install at ${grub}"
echo "setting up disk image..."
dd if=/dev/zero of=_disk_image bs=1M count="${DISK_SIZE:-600}" status=none || die "couldn't create disk image"
dd if=/dev/zero of=_disk_image bs=1M count="${DISK_SIZE:-800}" status=none || die "couldn't create disk image"
chown "$SUDO_UID":"$SUDO_GID" _disk_image || die "couldn't adjust permissions on disk image"
echo "done"
@ -50,20 +50,37 @@ cleanup() {
trap cleanup EXIT
printf "creating partition table... "
parted -s "${dev}" mklabel msdos mkpart primary ext2 32k 100% -a minimal set 1 boot on || die "couldn't partition disk"
if [ "$1" = "mbr" ]; then
parted -s "${dev}" mklabel msdos mkpart primary ext2 32k 100% -a minimal set 1 boot on || die "couldn't partition disk"
partition_number="p1"
partition_scheme="mbr"
elif [ "$1" = "gpt" ]; then
parted -s "${dev}" mklabel gpt mkpart BIOSBOOT ext3 1MiB 8MiB mkpart OS ext2 8MiB 700MiB set 1 bios_grub || die "couldn't partition disk"
partition_number="p2"
partition_scheme="gpt"
elif [ "$1" = "ebr" ]; then
parted -s "${dev}" mklabel msdos mkpart primary 32k 200MiB mkpart primary 200MiB 201MiB mkpart primary 201MiB 202MiB mkpart extended 250MiB 739MiB mkpart logical 372MiB 739MiB -a minimal set 1 boot on || die "couldn't partition disk"
partition_number="p5"
partition_scheme="ebr"
else
parted -s "${dev}" mklabel msdos mkpart primary ext2 32k 100% -a minimal set 1 boot on || die "couldn't partition disk"
partition_number="p1"
partition_scheme="mbr"
fi
echo "done"
printf "destroying old filesystem... "
dd if=/dev/zero of="${dev}"p1 bs=1M count=1 status=none || die "couldn't destroy old filesystem"
dd if=/dev/zero of="${dev}${partition_number}" bs=1M count=1 status=none || die "couldn't destroy old filesystem"
echo "done"
printf "creating new filesystem... "
mke2fs -q -I 128 "${dev}"p1 || die "couldn't create filesystem"
mke2fs -q -I 128 "${dev}${partition_number}" || die "couldn't create filesystem"
echo "done"
printf "mounting filesystem... "
mkdir -p mnt
mount "${dev}"p1 mnt/ || die "couldn't mount filesystem"
mount "${dev}${partition_number}" mnt/ || die "couldn't mount filesystem"
echo "done"
./build-root-filesystem.sh
@ -76,9 +93,9 @@ echo "installing grub using $grub..."
$grub --boot-directory=mnt/boot --target=i386-pc --modules="ext2 part_msdos" "${dev}"
if [ -d mnt/boot/grub2 ]; then
cp grub.cfg mnt/boot/grub2/grub.cfg
cp grub-"${partition_scheme}".cfg mnt/boot/grub2/grub.cfg
else
cp grub.cfg mnt/boot/grub/grub.cfg
cp grub-"${partition_scheme}".cfg mnt/boot/grub/grub.cfg
fi
echo "done"