add a way to track a tag

repo.proto

@@ -34,6 +34,7 @@ message Repo {						// `autogenpb:marshal` `autogenpb:2nomutex`
 	string 	userVersion			= 21; 		//
 	repeated string	dirtyList		= 22;		// store the list from git status --porcelain
 	string	state           		= 23; 		// status or state. useful for building tooling
+	GitTag	currentTag           		= 24; 		// used to examine repo branches
 }
 
 message Repos {				// `autogenpb:marshal` `autogenpb:sort` `autogenpb:2nomutex`

shell.go

@@ -80,7 +80,7 @@ func (repo *Repo) RunStrictNew(cmd []string) (*cmd.Status, error) {
 		log.Warn(cmd, "failed with", result.Exit)
 		return &result, errors.New(fmt.Sprint(cmd, "failed with", result.Exit))
 	}
-	return nil, nil
+	return &result, nil
 }
 
 func (repo *Repo) Exists(filename string) bool {