name : ubuntu-keyring.postinst #!/bin/sh set -e if [ "$1" = 'configure' -a -n "$2" ]; then # remove keys from the trusted.gpg file as they are now shipped in fragment files in trusted.gpg.d if dpkg --compare-versions "$2" 'lt' "2016.09.19" && which gpg > /dev/null && which apt-key > /dev/null; then TRUSTEDFILE='/etc/apt/trusted.gpg' eval $(apt-config shell TRUSTEDFILE Apt::GPGV::TrustedKeyring) eval $(apt-config shell TRUSTEDFILE Dir::Etc::Trusted/f) if [ -e "$TRUSTEDFILE" ]; then for KEY in 40976EAF437D05B5 46181433FBB75451 3B4FE6ACC0B21F32 D94AA3F0EFE21092; do apt-key --keyring "$TRUSTEDFILE" del $KEY > /dev/null 2>&1 || : done fi fi fi