symlink'n filepath.Walk --- draft

sympathWalk.go

func sympathWalk(path string) {
    // for now... (so i don't have to change everything below)
    p := path
  
  
		// is the directory / file a symlink?
		f, err := os.Lstat(p)
		if err == nil && f.Mode()&os.ModeSymlink == os.ModeSymlink {
			realPath, err := filepath.EvalSymlinks(p)
			if err != nil {
				panic(err)
			}
			p = realPath
		}

		fi, err := os.Stat(p)
		if err != nil {
			ERROR.Println("Failed to stat watched path", p, ":", err)
			continue
		}

		// If it is a file, watch that specific file.
		if !fi.IsDir() {
			err = watcher.Watch(p)
			if err != nil {
				ERROR.Println("Failed to watch", p, ":", err)
			}
			continue
		}

		var watcherWalker filepath.WalkFunc

		watcherWalker = func(path string, info os.FileInfo, err error) error {
			if err != nil {
				ERROR.Println("Error walking path:", err)
				return nil
			}

			// is it a symlinked template?
			link, err := os.Lstat(path)
			if err == nil && link.Mode()&os.ModeSymlink == os.ModeSymlink {
				TRACE.Println("Watcher symlink: ", path)
				// lookup the actual target & check for goodness
				targetPath, err := filepath.EvalSymlinks(path)
				if err != nil {
					ERROR.Println("Failed to read symlink", err)
					return err
				}
				targetInfo, err := os.Stat(targetPath)
				if err != nil {
					ERROR.Println("Failed to stat symlink target", err)
					return err
				}

				// set the template path to the target of the symlink
				path = targetPath
				info = targetInfo
				filepath.Walk(path, watcherWalker)
			}

			if info.IsDir() {
				if dl, ok := listener.(DiscerningListener); ok {
					if !dl.WatchDir(info) {
						return filepath.SkipDir
					}
				}

				err = watcher.Watch(path)
				if err != nil {
					ERROR.Println("Failed to watch", path, ":", err)
				}
			}
			return nil
		}

		// Else, walk the directory tree.
		filepath.Walk(p, watcherWalker)
	}