mender now has its own installation Makefile and systemd unit file

Makefile

-all: mender.conf mender-service
+all: mender.conf
 	mkdir -p ../go/go/src/github.com/mendersoftware
 	mkdir -p /tmp/gocache
 	tar xf mender-2.2.0.tar.gz -C ../go/go/src/github.com/mendersoftware
 	mv ../go/go/src/github.com/mendersoftware/mender-2.2.0 ../go/go/src/github.com/mendersoftware/mender
 	cd ../go/go/src/github.com/mendersoftware/mender && GOCACHE=/tmp/gocache GOPATH=$$(pwd)/../../../.. ../../../../bin/go mod init
 	cd ../go/go/src/github.com/mendersoftware/mender && GOCACHE=/tmp/gocache GOPATH=$$(pwd)/../../../.. ../../../../bin/go build -ldflags "-X github.com/mendersoftware/mender/conf.Version=2.2.0"
-	mv ../go/go/src/github.com/mendersoftware/mender/mender /usr/bin/mender
-	mkdir /etc/mender
+	cd ../go/go/src/github.com/mendersoftware/mender && $(MAKE) install
 	@echo "$$MENDER_CONF" > /etc/mender/mender.conf
-	touch /etc/mender/tenant.conf
 	cp -r /build/packages/artifactscripts /etc/mender
 	chmod +x /etc/mender/artifactscripts/*
-	mkdir -p /usr/share/mender/identity
 	cp mender-device-identity /usr/share/mender/identity
 	chmod +x /usr/share/mender/identity/*
-	mkdir -p /usr/share/mender/inventory
 	cp mender-inventory-* /usr/share/mender/inventory
 	chmod +x /usr/share/mender/inventory/*
 	@echo "artifact_name=$(ARTIFACT_NAME)-$(BUILD_ID)" > /etc/mender/artifact_info
 	mkdir -p -m 700 /var/lib/mender
 	@echo "device_type=$(DEVICE_TYPE)" > /var/lib/mender/device_type
-	@echo "$$MENDER_SERVICE" > /lib/systemd/system/mender.service
-	ln -s /lib/systemd/system/mender.service /etc/systemd/system/multi-user.target.wants/mender.service
+	systemctl enable mender.service
 	rm -rf /tmp/gocache
 	rm -rf ../go/go/src/github.com/mendersoftware
 
@@ -44,24 +39,3 @@ define MENDER_CONF
 }
 endef
 export MENDER_CONF
-
-mender-service:
-define MENDER_SERVICE
-[Unit]
-Description=Mender OTA update service
-After=network-online.target
-Wants=network-online.target
-
-[Service]
-Type=idle
-User=root
-Group=root
-ExecStartPre=/bin/mkdir -p -m 700 /var/lib/mender
-ExecStartPre=/bin/ln -sf /etc/mender/tenant.conf /var/lib/mender/authtentoken
-ExecStart=/usr/bin/mender -daemon
-Restart=on-abort
-
-[Install]
-WantedBy=multi-user.target
-endef
-export MENDER_SERVICE