mirror of
https://github.com/edera-dev/krata.git
synced 2025-08-02 21:00:55 +00:00
96 lines
3.0 KiB
Bash
Executable File
96 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
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set -e
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REAL_SCRIPT="$(realpath "${0}")"
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cd "$(dirname "${REAL_SCRIPT}")/../.."
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./hack/dist/apk.sh
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KRATA_VERSION="$(./hack/dist/version.sh)"
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TARGET_ARCH="$(./hack/build/arch.sh)"
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TARGET_DIR="${PWD}/target"
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TARGET_OS_DIR="${TARGET_DIR}/os"
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mkdir -p "${TARGET_OS_DIR}"
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cp "${TARGET_DIR}/dist/krata_${KRATA_VERSION}_${TARGET_ARCH}.apk" "${TARGET_OS_DIR}/krata.apk"
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docker run --rm --privileged -v "${PWD}:/mnt" -it alpine:latest "/mnt/os/internal/stage1.sh"
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sudo chown "${USER}:${GROUP}" "${TARGET_OS_DIR}/rootfs.tgz"
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sudo modprobe nbd
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NBD_DEVICE="$(find /dev -maxdepth 2 -name 'nbd[0-9]*' | while read -r DEVICE
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do
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if [ "$(sudo blockdev --getsize64 "${DEVICE}")" = "0" ]
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then
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echo "${DEVICE}"
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break
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fi
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done)"
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if [ -z "${NBD_DEVICE}" ]
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then
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echo "ERROR: unable to allocate nbd device" > /dev/stderr
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exit 1
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fi
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OS_IMAGE="${TARGET_OS_DIR}/krata.qcow2"
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EFI_PART="${NBD_DEVICE}p1"
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ROOT_PART="${NBD_DEVICE}p2"
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ROOT_DIR="${TARGET_OS_DIR}/root"
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EFI_DIR="${ROOT_DIR}/boot/efi"
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cleanup() {
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trap '' EXIT HUP INT TERM
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sudo umount -R "${ROOT_DIR}" > /dev/null 2>&1 || true
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sudo umount "${EFI_PART}" > /dev/null 2>&1 || true
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sudo umount "${ROOT_PART}" > /dev/null 2>&1 || true
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sudo qemu-nbd --disconnect "${NBD_DEVICE}" > /dev/null 2>&1 || true
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sudo rm -rf "${ROOT_DIR}"
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}
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rm -f "${OS_IMAGE}"
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qemu-img create -f qcow2 "${TARGET_OS_DIR}/krata.qcow2" "2G"
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trap cleanup EXIT HUP INT TERM
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sudo qemu-nbd --connect="${NBD_DEVICE}" --cache=writeback -f qcow2 "${OS_IMAGE}"
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printf '%s\n' \
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'label: gpt' \
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'name=efi,type=U,size=128M,bootable' \
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'name=system,type=L' | sudo sfdisk "${NBD_DEVICE}"
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sudo mkfs.fat -F32 -n EFI "${EFI_PART}"
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sudo mkfs.ext4 -L root -E discard "${ROOT_PART}"
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mkdir -p "${ROOT_DIR}"
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sudo mount -t ext4 "${ROOT_PART}" "${ROOT_DIR}"
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sudo mkdir -p "${EFI_DIR}"
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sudo mount -t vfat "${EFI_PART}" "${EFI_DIR}"
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sudo tar xf "${TARGET_OS_DIR}/rootfs.tar" -C "${ROOT_DIR}"
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ROOT_UUID="$(sudo blkid "${ROOT_PART}" | sed -En 's/.*\bUUID="([^"]+)".*/\1/p')"
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EFI_UUID="$(sudo blkid "${EFI_PART}" | sed -En 's/.*\bUUID="([^"]+)".*/\1/p')"
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echo "${ROOT_UUID}"
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sudo mkdir -p "${ROOT_DIR}/proc" "${ROOT_DIR}/dev" "${ROOT_DIR}/sys"
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sudo mount -t proc none "${ROOT_DIR}/proc"
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sudo mount --bind /dev "${ROOT_DIR}/dev"
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sudo mount --make-private "${ROOT_DIR}/dev"
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sudo mount --bind /sys "${ROOT_DIR}/sys"
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sudo mount --make-private "${ROOT_DIR}/sys"
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sudo cp "${PWD}/os/internal/stage2.sh" "${ROOT_DIR}/stage2.sh"
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echo "${ROOT_UUID}" | sudo tee "${ROOT_DIR}/root-uuid" > /dev/null
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sudo chroot "${ROOT_DIR}" /bin/sh -c "/stage2.sh"
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sudo rm -f "${ROOT_DIR}/stage2.sh"
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sudo rm -f "${ROOT_DIR}/root-uuid"
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{
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echo "# krata fstab"
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echo "UUID=${ROOT_UUID} / ext4 relatime 0 1"
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echo "UUID=${EFI_UUID} / vfat rw,relatime,fmask=0133,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro 0 2"
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} | sudo tee "${ROOT_DIR}/etc/fstab" > /dev/null
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cleanup
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OS_SMALL_IMAGE="${TARGET_OS_DIR}/krata.small.qcow2"
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qemu-img convert -O qcow2 "${OS_IMAGE}" "${OS_SMALL_IMAGE}"
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mv -f "${OS_SMALL_IMAGE}" "${OS_IMAGE}"
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