Added release target to Makefile

Makefile

@@ -1,29 +1,29 @@
-all: build test
+all: test install
 
-deps:
-	go get golang.org/x/lint/golint
-	go get golang.org/x/tools/cmd/cover
-	go get
+# Note: this command will be slightly messy UNLESS we are on a tag, which is
+# what we want.
+RELEASE_VERSION=$(shell git describe --tags)
 
-build: deps
-	go build cmd/hostess/hostess.go
+install:
+	go install .
+
+deps:
+	go install golang.org/x/lint/golint
+	go install golang.org/x/tools/cmd/cover
 
-test:
+test: deps
 	go test -coverprofile=coverage.out; go tool cover -html=coverage.out -o coverage.html
 	go vet $(PACKAGES)
 	golint $(PACKAGES)
 
-build-all: test
-
-	echo FIXME
-	exit 1
-
-install:
-	go install .
+release: test
+	GOOS=windows GOARCH=amd64 go build -ldflags "-X main.Version=${RELEASE_VERSION}" -o bin/hostess_windows_amd64.exe .
+	GOOS=darwin  GOARCH=amd64 go build -ldflags "-X main.Version=${RELEASE_VERSION}" -o bin/hostess_macos_amd64 .
+	GOOS=linux   GOARCH=amd64 go build -ldflags "-X main.Version=${RELEASE_VERSION}" -o bin/hostess_linux_amd64 .
+	GOOS=linux   GOARCH=arm   go build -ldflags "-X main.Version=${RELEASE_VERSION}" -o bin/hostess_linux_arm .
 
 clean:
-	rm -f ./hostess
-	rm -f ./hostess_*
 	rm -f ./coverage.*
+	rm -rf ./bin/
 
-.PHONY: all deps build test gox build-all install clean
+.PHONY: all install deps test release clean