makefile: update deps target to use cache (#177)

Author: lswith

build/Makefile.deps

@@ -1,12 +1,61 @@
 ## Installs all the required binaries for the makefile targets.
-.PHONY: deps
-deps:
-ifndef SKIP_DEPCHECK
-	@ echo "-> Installing project dependencies..."
-	@ GO111MODULE=off go get -u github.com/myitcv/gobin
-	@ $(GOBIN)/gobin github.com/elastic/go-licenser@v0.3.0
-	@ $(GOBIN)/gobin github.com/go-bindata/go-bindata/go-bindata@v0.0.0-20190711162640-ee3c2418e368
-	@ $(GOBIN)/gobin golang.org/x/lint/golint
-	@ curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b $(GOBIN) v1.21.0
-	@ echo "-> Done."
-endif
+
+OS:=$(shell uname -s | tr '[:upper:]' '[:lower:]')
+ARCH:=$(shell $(PWD)/scripts/uname_arch.sh)
+VERSION_DIR:=$(GOBIN)/versions
+
+VERSION_GOBIN:=v0.0.13
+VERSION_GOLINT:=v0.0.0-20191125180803-fdd1cda4f05f
+VERSION_GOLICENSER:=v0.3.0
+VERSION_GOLANGCILINT:=v1.21.0
+VERSION_GOBINDATA:=v0.0.0-20190711162640-ee3c2418e368
+
+deps: $(GOBIN)/gobin $(GOBIN)/golint $(GOBIN)/go-licenser $(GOBIN)/golangci-lint $(GOBIN)/go-bindata
+
+$(GOBIN):
+	@ mkdir -p $(GOBIN)
+
+$(VERSION_DIR): | $(GOBIN)
+	@ mkdir -p $(GOBIN)/versions
+
+
+$(VERSION_DIR)/.version-gobin-$(VERSION_GOBIN): | $(VERSION_DIR)
+	@ rm -f $(VERSION_DIR)/.version-gobin-*
+	@ echo $(VERSION_GOBIN) > $(VERSION_DIR)/.version-gobin-$(VERSION_GOBIN)
+
+$(GOBIN)/gobin: $(VERSION_DIR)/.version-gobin-$(VERSION_GOBIN) | $(GOBIN)
+	@ echo "-> Installing gobin..."
+	@ curl -sL -o $(GOBIN)/gobin https://github.com/myitcv/gobin/releases/download/$(VERSION_GOBIN)/$(OS)-$(ARCH)
+	@ chmod +x $(GOBIN)/gobin
+
+$(VERSION_DIR)/.version-golint-$(VERSION_GOLINT): | $(VERSION_DIR)
+	@ rm -f $(VERSION_DIR)/.version-golint-*
+	@ echo $(VERSION_GOLINT) > $(VERSION_DIR)/.version-golint-$(VERSION_GOLINT)
+
+$(GOBIN)/golint: $(GOBIN)/gobin $(VERSION_DIR)/.version-golint-$(VERSION_GOLINT) | $(GOBIN)
+	@ echo "-> Installing golint..."
+	@ $(GOBIN)/gobin golang.org/x/lint/golint@$(VERSION_GOLINT)
+
+$(VERSION_DIR)/.version-go-licenser-$(VERSION_GOLICENSER): | $(VERSION_DIR)
+	@ rm -f $(VERSION_DIR)/.version-go-licenser-*
+	@ echo $(VERSION_GOLICENSER) > $(VERSION_DIR)/.version-go-licenser-$(VERSION_GOLICENSER)
+
+$(GOBIN)/go-licenser: $(GOBIN)/gobin $(VERSION_DIR)/.version-go-licenser-$(VERSION_GOLICENSER) | $(GOBIN)
+	@ echo "-> Installing go-licenser..."
+	@ $(GOBIN)/gobin github.com/elastic/go-licenser@$(VERSION_GOLICENSER)
+
+$(VERSION_DIR)/.version-golangci-lint-$(VERSION_GOLANGCILINT): | $(VERSION_DIR)
+	@ rm -f $(VERSION_DIR)/.version-golangci-lint-*
+	@ echo $(VERSION_GOLANGCILINT) > $(VERSION_DIR)/.version-golangci-lint-$(VERSION_GOLANGCILINT)
+
+$(GOBIN)/golangci-lint: $(VERSION_DIR)/.version-golangci-lint-$(VERSION_GOLANGCILINT) | $(GOBIN)
+	@ echo "-> Installing golangci-lint..."
+	@ curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b $(GOBIN) $(VERSION_GOLANGCILINT)
+
+$(VERSION_DIR)/.version-go-bindata-$(VERSION_GOBINDATA):
+	@ rm -f $(VERSION_DIR)/.version-go-bindata-*
+	@ echo $(VERSION_GOBINDATA) > $(VERSION_DIR)/.version-go-bindata-$(VERSION_GOBINDATA)
+
+$(GOBIN)/go-bindata: $(GOBIN)/gobin $(VERSION_DIR)/.version-go-bindata-$(VERSION_GOBINDATA) | $(GOBIN)
+	@ echo "-> Installing go-bindata..."
+	@ $(GOBIN)/gobin github.com/go-bindata/go-bindata/go-bindata@$(VERSION_GOBINDATA)

scripts/uname_arch.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+arch=$(uname -m)
+case $arch in
+  x86_64) arch="amd64" ;;
+  x86) arch="386" ;;
+  i686) arch="386" ;;
+  i386) arch="386" ;;
+  aarch64) arch="arm64" ;;
+  armv5*) arch="armv5" ;;
+  armv6*) arch="armv6" ;;
+  armv7*) arch="armv7" ;;
+esac
+echo ${arch}