music-library/utils.go

package main

import (
	"crypto/sha512"
	"io"
	"os"
	"strings"
)

func HashFile(path string) ([sha512.Size]byte, error) {
	file, err := os.Open(path)
	if err != nil {
		return [sha512.Size]byte{}, err
	}
	defer file.Close()

	hasher := sha512.New()
	if _, err := io.Copy(hasher, file); err != nil {
		return [sha512.Size]byte{}, err
	}

	res := [sha512.Size]byte{}
	hash := hasher.Sum(nil)
	copy(res[:], hash)
	return res, nil
}

func PathIsExcluded(path string) bool {
	path = AbsPath(path)

	for _, excludedPath := range FlagExcludeFiles {
		if strings.HasPrefix(path, AbsPath(excludedPath)) {
			return true
		}
	}

	return false
}