Update Makefile

Makefile

@@ -1,14 +1,6 @@
 .DEFAULT_GOAL := build
-
-DIRS=bin
 BINARY=vault-unseal
 
-VERSION=$(shell git describe --tags --always --abbrev=0 --match=v* 2> /dev/null | sed -r "s:^v::g" || echo 0)
-
-$(info $(shell mkdir -p $(DIRS)))
-BIN=$(CURDIR)/bin
-export GOBIN=$(CURDIR)/bin
-
 help:
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-12s\033[0m %s\n", $$1, $$2}'
 
@@ -25,8 +17,10 @@ upgrade-deps-patch: ## Upgrade all dependencies to the latest patch release.
 clean: ## Cleans up generated files/folders from the build.
 	/bin/rm -rfv "dist/" "${BINARY}"
 
-build: fetch clean ## Compile and generate a binary.
-	CGO_ENABLED=0 go build -ldflags '-d -s -w -extldflags=-static' -tags=netgo,osusergo,static_build -installsuffix netgo -buildvcs=false -trimpath -o "${BINARY}"
-
 debug: clean
 	go run *.go
+
+prepare: fetch clean ## Prepare the dependencies needed for a build.
+
+build: prepare ## Compile and generate a binary.
+	CGO_ENABLED=0 go build -ldflags '-d -s -w -extldflags=-static' -tags=netgo,osusergo,static_build -installsuffix netgo -buildvcs=false -trimpath -o "${BINARY}"