Add --version flag

This allows to identify the version of a Ceres executable build.

1 files changed, 11 insertions, 1 deletions

diff --git a/main.go b/main.go
index 1071aef..2c39239 100644
--- a/main.go
+++ b/main.go
@@ -3,6 +3,8 @@ package main
 import (
 	"context"
 	"embed"
+	"flag"
+	"fmt"
 	"log"
 	"net/http"
 	"os"
@@ -17,7 +19,15 @@ import (
 )
 
 func main() {
-	parseFlags()
+	flag.Parse()
+
+	if printVersion {
+		if gitDescribe == "" {
+			log.Fatal("This build has no version information")
+		}
+		fmt.Println(gitDescribe)
+		os.Exit(0)
+	}
 
 	model.InitStorage()
 	defer model.RemoveStorage()