From 45c3bd3e1620a16707d429c1048c340368dd3a03 Mon Sep 17 00:00:00 2001
From: Jeff Carr <jcarr@wit.com>
Date: Fri, 17 Jan 2025 02:51:16 -0600
Subject: [PATCH] parse out the uuid and version

---
 protoc.go | 50 +++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 45 insertions(+), 5 deletions(-)

diff --git a/protoc.go b/protoc.go
index 367ef64..01012cb 100644
--- a/protoc.go
+++ b/protoc.go
@@ -64,9 +64,12 @@ func ValidProtobuf(filename string) (string, string, error) {
 			return "", "", fmt.Errorf("proto file does not have a UUID")
 		}
 		// ok, uuid is here
-		UUID := line
-		log.Info("found UUID:", line)
-
+		UUID := parseUuid(line)
+		if UUID == "" {
+			noUuidExit(filename)
+			return "", "", fmt.Errorf("proto file does not have a UUID")
+		}
+		log.Info("found UUID:", UUID)
 		scanner.Scan()
 		line = scanner.Text()
 		fields = strings.Fields(line)
@@ -76,8 +79,12 @@ func ValidProtobuf(filename string) (string, string, error) {
 			return "", "", fmt.Errorf("proto file does not have a version")
 		}
 		// found "version", the .proto file conforms
-		version := line
-		log.Info("found Version:", line)
+		version := parseVersion(line)
+		if version == "" {
+			noUuidExit(filename)
+			return "", "", fmt.Errorf("proto file does not have a version")
+		}
+		log.Info("found Version:", version)
 		return UUID, version, nil
 	}
 	// right now, noPluralMessage does os.Exit(-1)
@@ -85,6 +92,32 @@ func ValidProtobuf(filename string) (string, string, error) {
 	return "", "", fmt.Errorf("proto file does not have message %s", pluralBase)
 }
 
+func parseUuid(line string) string {
+	fields := strings.Split(line, "autogenpb:uuid:")
+	if len(fields) < 2 {
+		return ""
+	}
+	end := fields[1]
+	fields = strings.Fields(end)
+	uuid := fields[0]
+	uuid = strings.Trim(uuid, "`")
+	// log.Info("fhelp.parseUuid() uuid =", uuid)
+	return uuid
+}
+
+func parseVersion(line string) string {
+	fields := strings.Split(line, "autogenpb:version:")
+	if len(fields) < 2 {
+		return ""
+	}
+	end := fields[1]
+	fields = strings.Fields(end)
+	ver := fields[0]
+	ver = strings.Trim(ver, "`")
+	// log.Info("fhelp.parseVersion() ver =", ver)
+	return ver
+}
+
 func noPluralMessageExit(filename string) {
 	filebase := strings.TrimSuffix(filename, ".proto")
 	base := cases.Title(language.English, cases.NoLower).String(filebase)
@@ -129,7 +162,14 @@ func noUuidExit(filename string) {
 	log.Info("")
 	log.Info("If you don't have a UUID, you can use the randomly generated one here")
 	log.Info("")
+	log.Info("If you wish to ignore this, set PROTOBUF_REGRET=true")
+	log.Info("You will probably regret not trying to follow the standard here. This format is used as a 'handshake'.")
 	log.Info("###########################################################################")
+	if os.Getenv("PROTOBUF_REGRET") == "true" {
+		log.Info("PROTOBUF_REGRET=true was set")
+		log.Info("###########################################################################")
+		return
+	}
 	badExit(fmt.Errorf("proto file error %s", filename))
 }