update

consts/version.go

@@ -0,0 +1,26 @@
+package consts
+
+import (
+	"fmt"
+	"strings"
+)
+
+var (
+	// This will be set in build time. If not, version will be set to "dev"
+	gitTag string
+	gitSha string
+)
+
+// Version holds the version string, with tag and git sha info.
+// Examples:
+// dev
+// v0.2.0 (5b84188)
+// v0.3.2-SNAPSHOT (715f552)
+// master (9ed35cb)
+var Version = func() string {
+	if gitSha == "" {
+		return "dev"
+	}
+	gitTag = strings.TrimPrefix(gitTag, "v")
+	return fmt.Sprintf("%s (%s)", gitTag, gitSha)
+}()