Replace version by git tag or commit hash if not manually specified

Makefile

@@ -1,24 +1,15 @@
+VERSION ?= $$(git describe --tags 2>/dev/null || git rev-parse --short HEAD)
 LEVEL ?= release
 OUTPUT ?= sshs
 
 GO_PACKAGE_PATH := github.com/quantumsheep/sshs
-VERSION := $$(git describe --tags 2>/dev/null || true)
-BUILD := $$(git rev-parse --short HEAD)
-
-ifeq ($(VERSION),)
-	VERSION := latest
-endif
-
-ifeq ($(BUILD),)
-	BUILD := dev
-endif
 
 ifeq ($(LEVEL),release)
-	GOLDFLAGS := -w -s
+GOLDFLAGS := -w -s
 endif
 
 build:
-	go build -ldflags "$(GOLDFLAGS) -X '$(GO_PACKAGE_PATH)/cmd.Version=$(VERSION)' -X '$(GO_PACKAGE_PATH)/cmd.Build=$(BUILD)'" -o $(OUTPUT)
+	go build -ldflags "$(GOLDFLAGS) -X '$(GO_PACKAGE_PATH)/cmd.Version=$(or $(strip $(VERSION)),latest)'" -o $(OUTPUT)
 
 clean:
 	rm -f sshs

cmd/root.go

@@ -34,13 +34,12 @@ func connect(name string) {
 
 var (
 	Version string
-	Build   string
 )
 
 var rootCmd = &cobra.Command{
 	Use:     "sshs",
 	Short:   "ssh clients manager",
-	Version: fmt.Sprintf("%s, build %s", Version, Build),
+	Version: Version,
 	Run: func(cmd *cobra.Command, args []string) {
 		filepath, e := homedir.Expand("~/.ssh/config")
 		if e != nil {