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DESCRIPTION = "Simple initramfs image for mounting the rootfs over the verity device mapper."
inherit core-image
PACKAGE_INSTALL = " \
base-files \
base-passwd \
busybox \
cryptsetup \
initramfs-module-dmverity \
initramfs-module-udev \
lvm2-udevrules \
udev \
util-linux-mount \
"
# We want a clean, minimal image.
IMAGE_FEATURES = ""
IMAGE_LINGUAS = ""
# Can we somehow inspect reverse dependencies to avoid these variables?
do_image[depends] += "${DM_VERITY_IMAGE}:do_image_${DM_VERITY_IMAGE_TYPE}"
# Ensure dm-verity.env is updated also when rebuilding DM_VERITY_IMAGE
do_image[nostamp] = "1"
IMAGE_FSTYPES = "${INITRAMFS_FSTYPES}"
deploy_verity_hash() {
install -D -m 0644 \
${STAGING_VERITY_DIR}/${DM_VERITY_IMAGE}.${DM_VERITY_IMAGE_TYPE}.verity.env \
${IMAGE_ROOTFS}${datadir}/misc/dm-verity.env
}
IMAGE_PREPROCESS_COMMAND += "deploy_verity_hash;"
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