do mutex entries cause Marshal() to fail?

gitTag.proto

@@ -5,7 +5,7 @@ package gitpb;
 import "google/protobuf/timestamp.proto"; // Import the well-known type for Timestamp
 
 
-message GitTag {					// `autogenpb:marshal`
+message GitTag {					// `autogenpb:nomutex`
 	string	refname 			= 1;	// `autogenpb:unique` `autogenpb:sort` 	// tag name. treated as unique
 	google.protobuf.Timestamp creatordate	= 2;	// git creatordate
 	google.protobuf.Timestamp authordate	= 3;	// git author date
@@ -13,7 +13,7 @@ message GitTag {					// `autogenpb:marshal`
 	string	subject				= 5;	// git tag subject
 }
 
-message GitTags {			// `autogenpb:marshal` `autogenpb:mutex`
+message GitTags {			// `autogenpb:marshal` `autogenpb:nomutex`
 	string   uuid	        = 1;    // `autogenpb:uuid`
 	string   version        = 2;    // `autogenpb:version:v0.0.47`
 	repeated GitTag gitTags	= 3;

goDep.proto

@@ -8,7 +8,7 @@ import "google/protobuf/timestamp.proto"; // Import the well-known type for Time
 
 // global settings for autogenpb `autogenpb:mutex`
 
-message GoDep {						// `autogenpb:marshal`
+message GoDep {						// `autogenpb:nomutex`
 	string	hash 				= 1;	// `autogenpb:unique` `autogenpb:sort`	// md5sum/hash value from the go.sum file
 	google.protobuf.Timestamp ctime		= 2;	// get the go date from 'go list' ?
 	string	version 			= 3;	// v1.2.2
@@ -16,7 +16,7 @@ message GoDep {						// `autogenpb:marshal`
 	string	goVersion			= 5;	// version of golang the developer used to make this package version
 }
 
-message GoDeps {			// `autogenpb:marshal`
+message GoDeps {			// `autogenpb:nomutex`
 	string   uuid	        = 1;    // `autogenpb:uuid:`
 	string   version        = 2;    // `autogenpb:version`
 	repeated GoDep goDeps	= 3;	// `autogenpb:unique`  `autogenpb:sort`

repo.new.go

@@ -49,7 +49,7 @@ func (all *Repos) NewGoRepo(fullpath string, gopath string) (*Repo, error) {
 }
 
 // enforces GoPath is unique
-func (all *Repos) AppendUniqueGoPath(newr *Repo) bool {
+func (all *Repos) AppendByGoPath(newr *Repo) bool {
 	all.Lock.RLock()
 	defer all.Lock.RUnlock()
 

repo.proto

@@ -11,7 +11,7 @@ import "google/protobuf/timestamp.proto"; // Import the well-known type for Time
 
 // global settings for autogenpb `autogenpb:mutex`
 
-message Repo {						// `autogenpb:marshal`
+message Repo {						// `autogenpb:marshal` `autogenpb:nomutex`
 	string 	fullPath			= 1;	// `autogenpb:unique` `autogenpb:sort` 	// the actual path to the .git directory: '/home/devel/golang.org/x/tools'
 	string 	masterBranchName		= 3; 		// git 'main' or 'master' branch name
 	string 	develBranchName			= 4; 		// whatever the git 'devel' branch name is
@@ -36,14 +36,14 @@ message Repo {						// `autogenpb:marshal`
 	string	state           		= 23; 		// status or state. useful for building tooling
 }
 
-message Repos {				// `autogenpb:marshal` `autogenpb:sort` `autogenpb:mutex`
+message Repos {				// `autogenpb:marshal` `autogenpb:sort`
 	string   uuid	        = 1;    // `autogenpb:uuid:8daaeba1-fb1f-4762-ae6e-95a55d352673`
 	string   version        = 2;    // `autogenpb:version:2`
 	repeated Repo repos 	= 3;    // `autogenpb:append`   // generate AppendUnique() function for this
 }
 
 // should it be done this way?
-message GitTimes {
+message GitTimes {		// `autogenpb:nomutex`
 	google.protobuf.Timestamp lastPull	= 1;		// last time a git pull was done
 	google.protobuf.Timestamp lastUpdate	= 2;		// when was ReloadGit() last done
 	google.protobuf.Timestamp lastDirty	= 3;		// last time CheckDirty() was run
@@ -56,7 +56,7 @@ message GitTimes {
 }
 
 // this is probably better. think about moving to this instead
-message GoInfo {
+message GoInfo {		// `autogenpb:nomutex`
 	string	goPath				= 1;		// the logical path as used by golang: 'go.wit.com/apps/helloworld'
 	string	desc				= 2; 		// what is this repo?
 	bool	goLibrary 			= 3;		// is this a golang library?