version and build sha injected at link time into binary

Makefile

@@ -1,3 +1,8 @@
+VERSION = 0.0.1
+BUILD ?=$(shell git rev-parse --short HEAD)
+PKG ?=github.com/commitdev/commit0
+BUILD_ARGS=-v -ldflags=all="-X ${PKG}/cmd.appVersion=${VERSION} -X ${PKG}/cmd.appBuild=${BUILD}"
+
 check:
 	go test ./...
 
@@ -13,7 +18,7 @@ build-example-docker: clean-example
 	docker run -v "$(shell pwd)/example/hello-world:/project" --user $(shell id -u):$(shell id -g) commit0:v0 generate -l go
 
 build:
-	go build -o commit0
+	go build ${BUILD_ARGS} 
 
 # Installs the CLI int your GOPATH
 install-go:

cmd/version.go

@@ -6,6 +6,11 @@ import (
 	"github.com/spf13/cobra"
 )
 
+var (
+	appVersion = "SNAPSHOT"
+	appBuild   = "SNAPSHOT"
+)
+
 func init() {
 	rootCmd.AddCommand(versionCmd)
 }
@@ -14,6 +19,7 @@ var versionCmd = &cobra.Command{
 	Use:   "version",
 	Short: "Print the version number of commit0",
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("v0.0.0") // Updated via updateVersion.sh
+		fmt.Printf("version: %v\n", appVersion)
+		fmt.Printf("build: %v\n", appBuild)
 	},
 }