From dbe7badc7c37da1ddaaa33db4860e51a73c4c44a Mon Sep 17 00:00:00 2001
From: Simon Pasquier <spasquie@redhat.com>
Date: Mon, 25 Mar 2019 12:47:57 +0100
Subject: [PATCH] Update Makefile.common (#1288)

Signed-off-by: Simon Pasquier <spasquie@redhat.com>
---
 Makefile              |  5 ++++-
 Makefile.common       | 34 +++++++++++++++++++++++++++-------
 node_exporter_test.go | 13 +++++++++++++
 3 files changed, 44 insertions(+), 8 deletions(-)

diff --git a/Makefile b/Makefile
index d4144e45..908cb9a8 100644
--- a/Makefile
+++ b/Makefile
@@ -11,6 +11,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Ensure that 'all' is the default target otherwise it will be the first target from Makefile.common.
+all::
+
 include Makefile.common
 
 PROMTOOL_VERSION ?= 2.5.0
@@ -70,7 +73,7 @@ $(eval $(call goarch_pair,amd64,386))
 $(eval $(call goarch_pair,mips64,mips))
 $(eval $(call goarch_pair,mips64el,mipsel))
 
-all: style vet staticcheck checkmetrics checkrules build test $(cross-test) $(test-e2e)
+all:: vet checkmetrics checkrules common-all $(cross-test) $(test-e2e)
 
 .PHONY: test
 test: collector/fixtures/sys/.unpacked
diff --git a/Makefile.common b/Makefile.common
index 79001dd9..ed29aa82 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -60,7 +60,6 @@ $(warning Some recipes may not work as expected as the current Go runtime is '$(
 	endif
 endif
 PROMU        := $(FIRST_GOPATH)/bin/promu
-STATICCHECK  := $(FIRST_GOPATH)/bin/staticcheck
 pkgs          = ./...
 
 ifeq (arm, $(GOHOSTARCH))
@@ -72,8 +71,17 @@ endif
 
 PROMU_VERSION ?= 0.3.0
 PROMU_URL     := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz
-STATICCHECK_VERSION ?= 2019.1
-STATICCHECK_URL     := https://github.com/dominikh/go-tools/releases/download/$(STATICCHECK_VERSION)/staticcheck_$(GOHOSTOS)_$(GOHOSTARCH)
+
+STATICCHECK :=
+# staticcheck only supports linux, freebsd, darwin and windows platforms on i386/amd64
+# windows isn't included here because of the path separator being different.
+ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux freebsd darwin))
+	ifeq ($(GOHOSTARCH),$(filter $(GOHOSTARCH),amd64 i386))
+		STATICCHECK := $(FIRST_GOPATH)/bin/staticcheck
+		STATICCHECK_VERSION ?= 2019.1
+		STATICCHECK_URL := https://github.com/dominikh/go-tools/releases/download/$(STATICCHECK_VERSION)/staticcheck_$(GOHOSTOS)_$(GOHOSTARCH)
+	endif
+endif
 
 PREFIX                  ?= $(shell pwd)
 BIN_DIR                 ?= $(shell pwd)
@@ -87,14 +95,14 @@ ifeq ($(GOHOSTARCH),amd64)
         endif
 endif
 
-.PHONY: all
-all: precheck style staticcheck unused build test
-
 # This rule is used to forward a target like "build" to "common-build".  This
 # allows a new "build" target to be defined in a Makefile which includes this
 # one and override "common-build" without override warnings.
 %: common-% ;
 
+.PHONY: common-all
+common-all: precheck style check_license staticcheck unused build test
+
 .PHONY: common-style
 common-style:
 	@echo ">> checking code style"
@@ -116,6 +124,15 @@ common-check_license:
                exit 1; \
        fi
 
+.PHONY: common-deps
+common-deps:
+	@echo ">> getting dependencies"
+ifdef GO111MODULE
+	GO111MODULE=$(GO111MODULE) $(GO) mod download
+else
+	$(GO) get $(GOOPTS) -t ./...
+endif
+
 .PHONY: common-test-short
 common-test-short:
 	@echo ">> running short tests"
@@ -138,6 +155,7 @@ common-vet:
 
 .PHONY: common-staticcheck
 common-staticcheck: $(STATICCHECK)
+ifdef STATICCHECK
 	@echo ">> running staticcheck"
 	chmod +x $(STATICCHECK)
 ifdef GO111MODULE
@@ -148,6 +166,7 @@ ifdef GO111MODULE
 else
 	$(STATICCHECK) -ignore "$(STATICCHECK_IGNORE)" $(pkgs)
 endif
+endif
 
 .PHONY: common-unused
 common-unused: $(GOVENDOR)
@@ -205,9 +224,11 @@ proto:
 	@echo ">> generating code from proto files"
 	@./scripts/genproto.sh
 
+ifdef STATICCHECK
 $(STATICCHECK):
 	mkdir -p $(FIRST_GOPATH)/bin
 	curl -s -L $(STATICCHECK_URL) > $(STATICCHECK)
+endif
 
 ifdef GOVENDOR
 .PHONY: $(GOVENDOR)
@@ -221,7 +242,6 @@ precheck::
 define PRECHECK_COMMAND_template =
 precheck:: $(1)_precheck
 
-
 PRECHECK_COMMAND_$(1) ?= $(1) $$(strip $$(PRECHECK_OPTIONS_$(1)))
 .PHONY: $(1)_precheck
 $(1)_precheck:
diff --git a/node_exporter_test.go b/node_exporter_test.go
index 5a9599ec..a0881e9e 100644
--- a/node_exporter_test.go
+++ b/node_exporter_test.go
@@ -1,3 +1,16 @@
+// Copyright 2017 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package main
 
 import (