Lines of node_exporter.service from check-in 47c6cc1171 that are changed by the sequence of edits moving toward check-in 716b0393df:

                         1: # vim:ft=make:
                         2: 
                         3: DAEMON_node_exporter_COMMAND?=/usr/local/bin/node_exporter --web.listen-address=${DAEMON_node_exporter_LISTEN_ADDRESS} --collector.textfile.directory=${DAEMON_node_exporter_TEXTFILE_DIR}
                         4: DAEMON_node_exporter_ENABLE?=no
                         5: DAEMON_node_exporter_LISTEN_ADDRESS?=:9100
                         6: DAEMON_node_exporter_TEXTFILE_DIR?=/var/tmp/node_exporter
                         7: DAEMON_node_exporter_USER?=nobody
                         8: DAEMON_node_exporter_GROUP?=nobody
                         9: 
                        10: node_exporter: _daemon
                        11: 	install -d -o ${DAEMON_node_exporter_USER} -g ${DAEMON_node_exporter_GROUP} -m1755 ${DAEMON_node_exporter_TEXTFILE_DIR}