add Makefile

Makefile

@@ -0,0 +1,27 @@
+PLATFORMS=windows linux darwin
+ARCHES=amd64
+BUILDDIR=build
+VERSION=0.2.0
+
+default: build
+
+build: fmt
+	go install
+	go build -o $(BUILDDIR)/
+
+buildallplatforms: fmt
+	$(foreach platform,$(PLATFORMS), \
+	    $(foreach arch,$(ARCHES), \
+	        mkdir -p $(BUILDDIR)/$(platform)_$(arch); GOOS=$(platform) GOARCH=$(arch) go build -o $(BUILDDIR)/$(platform)_$(arch)/$(EXECUTABLE_NAME);))
+	@echo "Renaming Windows file"
+	@if [ -f $(BUILDDIR)/windows_amd64/$(EXECUTABLE_NAME) ]; then mv $(BUILDDIR)/windows_amd64/$(EXECUTABLE_NAME) $(BUILDDIR)/windows_amd64/$(EXECUTABLE_NAME).exe; fi
+
+clean:
+	$(foreach platform,$(PLATFORMS), \
+            $(foreach arch,$(ARCHES), \
+                rm $(BUILDDIR)/$(platform)_$(arch)/$(EXECUTABLE_NAME)*;))
+
+fmt:
+	gofmt -w *.go
+
+