Fix alternate robot.

deploy.go

@@ -127,6 +127,7 @@ func (t *DeployTarget) RunCurrentJob() error {
 		if err != nil {
 			return err
 		}
+
 		className = alternateDirectoryName + "." + strings.TrimSuffix(alternateRobotFileName, config.LessonFileSuffix)
 	}
 

main.go

@@ -163,11 +163,10 @@ func loadStockLessons() {
 		lesson.Modified = false
 
 		if lessonInfo.AlternateRobotPath != "" {
-			lessonInfo.AlternateRobotPath, err = filepath.Abs(lessonInfo.AlternateRobotPath)
+			lesson.AlternateRobotPath, err = filepath.Abs(filepath.Join(filepath.Dir(config.LessonConfigPath), lessonInfo.AlternateRobotPath))
 			if err != nil {
 				log.Panicln(err)
 			}
-			lesson.AlternateRobotPath = lessonInfo.AlternateRobotPath
 		}
 
 		_, fileName := filepath.Split(lesson.Path)

users.go

@@ -118,7 +118,7 @@ func (u *User) LessonSlice() ([]*Lesson, error) {
 	return u.lessons.Slice(), nil
 }
 
-// lessons gets all the user's Lessons -- modified or not.
+// updateLessons loads all of the lessons modified by the user into the user's lessons array
 func (u *User) updateLessons() error {
 	// Server must be restarted to read new lessons
 	if len(u.lessons) > 0 {
@@ -161,8 +161,6 @@ func (u *User) updateLessons() error {
 		u.lessons[fileName] = lesson
 	}
 
-	// We return a copy of u.lessons, so we don't worry about data races on map access,
-	// just data races on the underlying *Lesson.
 	return nil
 }