1 files changed, 15 insertions, 5 deletions
diff --git a/main.go b/main.go
index 5390e9c..1f0f6b9 100644
--- a/main.go
+++ b/main.go
@@ -26,7 +26,9 @@ func main() {
 
 	if !shell.Exists(argv.Proto) {
 		log.Info("protobuf", argv.Proto, "is missing")
-		os.Exit(-1)
+		if ! argv.DryRun {
+			os.Exit(-1)
+		}
 	}
 
 	if !strings.HasSuffix(argv.Proto, ".proto") {
@@ -50,8 +52,6 @@ func main() {
 
 	protobase := strings.TrimSuffix(argv.Proto, ".proto")
 
-	f, _ := os.OpenFile(protobase+".sort.pb.go", os.O_WRONLY|os.O_CREATE, 0600)
-
 	sortmap := make(map[string]string)
 	sortmap["package"] = packageName
 	sortmap["base"] = argv.LoBase
@@ -59,8 +59,18 @@ func main() {
 	sortmap["Base"] = argv.UpBase
 	sortmap["Bases"] = sortmap["Base"] + "s"
 
-	sortmap["sortBy"] = "ByPath"
-	sortmap["sortKey"] = "Refname"
+	sortparts := strings.Split(argv.Sort[0], ",")
+	sortmap["sortBy"] = sortparts[0]
+	sortmap["sortKey"] = sortparts[1]
+
+	if argv.DryRun {
+		for k, v := range sortmap {
+			log.Info(k, "=", v)
+		}
+		os.Exit(0)
+	}
+
+	f, _ := os.OpenFile(protobase+".sort.pb.go", os.O_WRONLY|os.O_CREATE, 0600)
 
 	header(f, sortmap)
 	syncLock(f, sortmap)