no recurse by default

gogenproto/cmd/gogenproto/main.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"flag"
-	"log"
 
 	"github.com/itzg/go-flagsfiller"
 
@@ -18,6 +17,6 @@ func main() {
 	flag.Parse()
 
 	if err := g.Run(); err != nil {
-		log.Fatalf("run failed: %+v", err)
+		gen.Logger.Fatalf("run failed: %+v", err)
 	}
 }

gogenproto/gen/generate.go

@@ -18,6 +18,8 @@ var Logger = log.New(log.Writer(), "[gogenproto] ", log.LstdFlags)
 type Generate struct {
 	InputDir  string `alias:"inputDir" env:"PWD" usage:"path to root directory for proto generation"`
 	OutputDir string `alias:"outputDir" default:"../" usage:"relative output path for generated files"`
+
+	Recurse bool `alias:"recurse" default:"false" usage:"generate protos recursively"`
 	// TODO: other flags, like VTProto, GRPC, TS, etc,
 }
 
@@ -43,9 +45,12 @@ func (g Generate) findProtos() ([]string, error) {
 	protoList := []string{}
 	err := filepath.WalkDir(g.InputDir,
 		func(pathname string, d fs.DirEntry, err error) error {
-			if err != nil || pathname == "." {
+			if err != nil || pathname == "." || pathname == g.InputDir {
 				return err
-			} else if d.Type().IsRegular() {
+			} else if d.IsDir() && !g.Recurse {
+				return fs.SkipDir
+			}
+			if d.Type().IsRegular() {
 				if filepath.Ext(d.Name()) == ".proto" {
 					protoList = append(protoList, pathname)
 				}

gogenproto/internal/skipped/should_be_skipped.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+package gtools.gogenproto.internal.skipped;
+
+option go_package = "internal/skipped";
+
+message ShouldBeSkipped{
+  int32 f = 1;
+}