if db_get preseed/early_command && [ "$RET" ]
then
+ echo 'APT::Keep-Fds { "3"; "4"; };' > /root/etc/apt/apt.conf.d/00-early-debconf
+ DEBIAN_FRONTEND=passthrough \
+ DEBCONF_READFD=3 \
+ DEBCONF_WRITEFD=4 \
+ DEBCONF_DB_REPLACE=configdb \
+ DEBCONF_DB_OVERRIDE='Pipe{infd:none outfd:none}' \
sh -c "$RET"
+ rm -f /root/etc/apt/apt.conf.d/00-early-debconf
fi
# Clear out debconf database backup files to save memory.