versioning

Makefile

@@ -5,12 +5,14 @@ ROOT_DIR=$(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
 BUILD_DIR=$(ROOT_DIR)/build
 BIN=$(BUILD_DIR)/sshpoke
 GO_VERSION=$(shell go version | sed -e 's/go version //')
+VERSION=$(shell git describe --tags 2>/dev/null || git log --format="v0.0.0-%h" -n 1 || echo "v0.0.0-unknown")
+LDFLAGS="-X 'github.com/Neur0toxine/sshpoke/cmd.Version=${VERSION}'"
 
 .PHONY: run clean_backend
 
 build: generate deps fmt
 	@echo " ►  Building with ${GO_VERSION}"
-	@CGO_ENABLED=0 go build -tags=release -o $(BIN) .
+	@CGO_ENABLED=0 go build -tags=release -ldflags ${LDFLAGS} -o $(BIN) .
 	@echo $(BIN)
 
 test: deps fmt

cmd/root.go

@@ -17,12 +17,16 @@ import (
 	"github.com/spf13/viper"
 )
 
-var cfgFile string
+var (
+	cfgFile string
+	Version string
+)
 
 var rootCmd = &cobra.Command{
-	Use:   "sshpoke",
-	Short: "Expose your Docker services to the Internet via SSH.",
-	Long:  `sshpoke is a CLI application that listens to the docker socket and automatically exposes relevant services to the Internet.`,
+	Use:     "sshpoke",
+	Version: Version,
+	Short:   "Expose your Docker services to the Internet via SSH.",
+	Long:    `sshpoke is a CLI application that listens to the docker socket and automatically exposes relevant services to the Internet.`,
 	Run: func(cmd *cobra.Command, args []string) {
 		go api.StartPluginAPI()
 		var err error