net/opensmtpd/ndmake.sh
$ cat ndmake.sh
#!/bin/sh -ue
NAME=opensmtpd
VERSION=7.8.0p1
RELEASE=1
SOURCE="https://github.com/OpenSMTPD/OpenSMTPD/releases/download/${VERSION}/opensmtpd-${VERSION}.tar.gz"

. ${0%/*}/../../libsh/libdmake.sh