aptkeys2gpg.sh

#!/bin/bash
#
# Convert deprecated apt-key keys storage to GPG keys.
# Paul Philippov <paul@themactep.com>
#

keys=$(sudo apt-key list | grep -A1 ^pub | grep "^  " | sed "s/\s*//g" | sort | uniq)
for k in $keys; do
  sudo apt-key export $k | \
      sudo gpg --dearmour -o /usr/share/keyrings/$k.gpg --yes &&
      sudo apt-key del $k
done

echo "Done"
exit 0