Update proto dependency resolution table (#1004)

language/proto/gen/update_proto_csv.go

@@ -48,7 +48,7 @@ var (
 var prefix = `# This file lists special protos that Gazelle knows how to import. This is used to generate
 # code for proto and Go resolvers.
 #
-# Generated by internal/language/proto/gen/update_proto_csv.go
+# Generated by language/proto/gen/update_proto_csv.go
 # Do not edit directly.
 #
 # proto name,proto label,go import path,go proto label
@@ -291,15 +291,23 @@ func generateFromPath(w io.Writer, rootPath string) error {
 		if err != nil {
 			return err
 		}
-		if !strings.HasSuffix(path, ".proto") {
-			return nil
-		}
 		relPath, err := filepath.Rel(rootPath, path)
 		if err != nil || strings.HasPrefix(relPath, "..") {
 			log.Panicf("file %q not in repository rootPath %q", path, rootPath)
 		}
 		relPath = filepath.ToSlash(relPath)
 
+		if relPath == "google/actions/sdk/v2" {
+			// Special case: these protos span multiple directories but have the same
+			// go_package. Not sure if these are meant to be publically consumed, but
+			// we can't handle them directly.
+			return filepath.SkipDir
+		}
+
+		if info.IsDir() || !strings.HasSuffix(path, ".proto") {
+			return nil
+		}
+
 		if strings.HasPrefix(relPath, "google/api/experimental/") {
 			// Special case: these protos need to be built together with protos in
 			// google/api. They have the same 'option go_package'. The proto_library