Merge pull request #161 from docker/install-hub-tool

Move main.go to root directory

README.md

@@ -23,6 +23,10 @@ perform Hub maintenance tasks.
   [here](https://github.com/docker/hub-tool/releases)
 - Extract the package and place the `hub-tool` binary somewhere in your `PATH`
 
+OR
+
+- Install from sources: `go install github.com/docker/hub-tool`
+
 ### Login to Docker Hub
 
 Login to the [Docker Hub](https://hub.docker.com) using your username and

builder.Makefile

@@ -57,18 +57,18 @@ test-unit:
 
 .PHONY:cross
 cross:
-	GOOS=linux   GOARCH=amd64 $(STATIC_FLAGS) $(GO_BUILD) -o bin/$(BINARY_NAME)_linux_amd64 ./cmd/$(BINARY_NAME)
-	GOOS=linux   GOARCH=arm64 $(STATIC_FLAGS) $(GO_BUILD) -o bin/$(BINARY_NAME)_linux_arm64 ./cmd/$(BINARY_NAME)
-	GOOS=linux   GOARCH=arm   $(STATIC_FLAGS) $(GO_BUILD) -o bin/$(BINARY_NAME)_linux_arm ./cmd/$(BINARY_NAME)
-	GOOS=darwin  GOARCH=amd64 $(STATIC_FLAGS) $(GO_BUILD) -o bin/$(BINARY_NAME)_darwin_amd64 ./cmd/$(BINARY_NAME)
-	GOOS=windows GOARCH=amd64 $(STATIC_FLAGS) $(GO_BUILD) -o bin/$(BINARY_NAME)_windows_amd64.exe ./cmd/$(BINARY_NAME)
+	GOOS=linux   GOARCH=amd64 $(STATIC_FLAGS) $(GO_BUILD) -o bin/$(BINARY_NAME)_linux_amd64 .
+	GOOS=linux   GOARCH=arm64 $(STATIC_FLAGS) $(GO_BUILD) -o bin/$(BINARY_NAME)_linux_arm64 .
+	GOOS=linux   GOARCH=arm   $(STATIC_FLAGS) $(GO_BUILD) -o bin/$(BINARY_NAME)_linux_arm .
+	GOOS=darwin  GOARCH=amd64 $(STATIC_FLAGS) $(GO_BUILD) -o bin/$(BINARY_NAME)_darwin_amd64 .
+	GOOS=windows GOARCH=amd64 $(STATIC_FLAGS) $(GO_BUILD) -o bin/$(BINARY_NAME)_windows_amd64.exe .
 
 # Note we're building statically for now to simplify releases. We can
 # investigate dynamic builds later.
 .PHONY: build
 build:
 	mkdir -p bin
-	$(STATIC_FLAGS) $(GO_BUILD) -o bin/$(PLATFORM_BINARY) ./cmd/$(BINARY_NAME)
+	$(STATIC_FLAGS) $(GO_BUILD) -o bin/$(PLATFORM_BINARY) .
 	cp bin/$(PLATFORM_BINARY) bin/$(BINARY)
 
 .PHONY: package