Initial commit

files/firstboot/21-regenerate-initramfs.sh

@@ -0,0 +1,32 @@
+logger -t "rc.firstboot" "Regenerating initramfs to remove encrypted root partition auto-expand"
+
+KERNEL_VERSION=$(uname -r)
+KERNEL_ARCH=$(uname -m)
+INITRAMFS="/boot/firmware/initramfs-${KERNEL_VERSION}"
+INITRAMFS_UBOOT="${INITRAMFS}.uboot"
+
+# Extract kernel arch
+case "${KERNEL_ARCH}" in
+  arm*) KERNEL_ARCH=arm ;;
+  aarch64) KERNEL_ARCH=arm64 ;;
+esac
+
+# Regenerate initramfs
+if [ -r "${INITRAMFS}" ] ; then
+  rm -f /etc/initramfs-tools/scripts/init-premount/expand_encrypted_rootfs
+  rm -f /etc/initramfs-tools/scripts/local-premount/expand-premount
+  rm -f /etc/initramfs-tools/hooks/expand-tools
+  rm -f "${INITRAMFS}"
+  mkinitramfs -o "${INITRAMFS}" "${KERNEL_VERSION}"
+fi
+
+# Convert generated initramfs for U-Boot using mkimage
+if [ -r "${INITRAMFS_UBOOT}" ] ; then
+  rm -f /etc/initramfs-tools/scripts/init-premount/expand_encrypted_rootfs
+  rm -f /etc/initramfs-tools/scripts/local-premount/expand-premount
+  rm -f /etc/initramfs-tools/hooks/expand-tools
+  rm -f "${INITRAMFS_UBOOT}"
+  mkinitramfs -o "${INITRAMFS}" "${KERNEL_VERSION}"
+  mkimage -A "${KERNEL_ARCH}" -T ramdisk -C none -n "initramfs-${KERNEL_VERSION}" -d "${INITRAMFS}" "${INITRAMFS_UBOOT}"
+  rm -f "${INITRAMFS}"
+fi