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Partition Table: Change Script files
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).
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5 changed files with 41 additions and 94 deletions
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@ -22,7 +22,7 @@ fi
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echo "using grub-install at ${grub}"
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echo "setting up disk image..."
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dd if=/dev/zero of=_disk_image bs=1M count="${DISK_SIZE:-600}" status=none || die "couldn't create disk image"
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dd if=/dev/zero of=_disk_image bs=1M count="${DISK_SIZE:-800}" status=none || die "couldn't create disk image"
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chown "$SUDO_UID":"$SUDO_GID" _disk_image || die "couldn't adjust permissions on disk image"
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echo "done"
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@ -50,20 +50,37 @@ cleanup() {
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trap cleanup EXIT
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printf "creating partition table... "
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parted -s "${dev}" mklabel msdos mkpart primary ext2 32k 100% -a minimal set 1 boot on || die "couldn't partition disk"
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if [ "$1" = "mbr" ]; then
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parted -s "${dev}" mklabel msdos mkpart primary ext2 32k 100% -a minimal set 1 boot on || die "couldn't partition disk"
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partition_number="p1"
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partition_scheme="mbr"
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elif [ "$1" = "gpt" ]; then
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parted -s "${dev}" mklabel gpt mkpart BIOSBOOT ext3 1MiB 8MiB mkpart OS ext2 8MiB 700MiB set 1 bios_grub || die "couldn't partition disk"
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partition_number="p2"
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partition_scheme="gpt"
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elif [ "$1" = "ebr" ]; then
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parted -s "${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"
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partition_number="p5"
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partition_scheme="ebr"
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else
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parted -s "${dev}" mklabel msdos mkpart primary ext2 32k 100% -a minimal set 1 boot on || die "couldn't partition disk"
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partition_number="p1"
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partition_scheme="mbr"
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fi
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echo "done"
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printf "destroying old filesystem... "
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dd if=/dev/zero of="${dev}"p1 bs=1M count=1 status=none || die "couldn't destroy old filesystem"
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dd if=/dev/zero of="${dev}${partition_number}" bs=1M count=1 status=none || die "couldn't destroy old filesystem"
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echo "done"
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printf "creating new filesystem... "
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mke2fs -q -I 128 "${dev}"p1 || die "couldn't create filesystem"
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mke2fs -q -I 128 "${dev}${partition_number}" || die "couldn't create filesystem"
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echo "done"
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printf "mounting filesystem... "
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mkdir -p mnt
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mount "${dev}"p1 mnt/ || die "couldn't mount filesystem"
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mount "${dev}${partition_number}" mnt/ || die "couldn't mount filesystem"
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echo "done"
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./build-root-filesystem.sh
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@ -76,9 +93,9 @@ echo "installing grub using $grub..."
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$grub --boot-directory=mnt/boot --target=i386-pc --modules="ext2 part_msdos" "${dev}"
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if [ -d mnt/boot/grub2 ]; then
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cp grub.cfg mnt/boot/grub2/grub.cfg
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cp grub-"${partition_scheme}".cfg mnt/boot/grub2/grub.cfg
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else
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cp grub.cfg mnt/boot/grub/grub.cfg
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cp grub-"${partition_scheme}".cfg mnt/boot/grub/grub.cfg
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fi
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echo "done"
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