#!/bin/bash -e
img2uimg_each() {
  UIMG="${1%.img}.uimg"
  /usr/bin/mkimage -A arm64 -O linux -T ramdisk -C gzip -n uInitrd -d "$1" "${UIMG}"
}
if [[ "$@" ]]; then
  for i in "$@"; do
    img2uimg_each "$i"
  done
elif compgen -G /boot/initramfs-linux*.img &>/dev/null; then
  for i in /boot/initramfs-linux*.img; do
    img2uimg_each "$i"
  done
fi