Distinguish between status messages and resource messages in SSE

version/version.go

@@ -1,6 +1,43 @@
-package main
+package version
 
-var (
-	Version = "dev"
-	Commit  = "none"
+import (
+	"runtime/debug"
+	"time"
 )
+
+type VersionInfo struct {
+	BuildTime  time.Time
+	IsModified bool
+	Revision   string
+}
+
+func Get() VersionInfo {
+	info, ok := debug.ReadBuildInfo()
+	if !ok {
+		return VersionInfo{
+			BuildTime:  time.Now(),
+			IsModified: false,
+			Revision:   "unknown",
+		}
+	}
+
+	var version VersionInfo
+	for _, setting := range info.Settings {
+		switch setting.Key {
+		case "vcs.modified":
+			version.IsModified = setting.Value == "true"
+		case "vcs.revision":
+			if len(setting.Value) > 7 {
+				version.Revision = setting.Value[:7]
+			} else {
+				version.Revision = setting.Value
+			}
+		case "vcs.time":
+			if t, err := time.Parse(time.RFC3339, setting.Value); err == nil {
+				version.BuildTime = t
+			}
+		}
+	}
+
+	return version
+}