Method Hash

internal/devpkg/package.go:460–472

()

var ErrCannotBuildPackageOnSystem = errors.New("unable to build for system")

func (p *Package) Hash() string {
	sum := ""
	if p.installable.Ref.Type == flake.TypePath {
		// For local flakes, use content hash of the flake.nix file to ensure
		// user always gets newest flake.
		sum, _ = cachehash.File(filepath.Join(p.installable.Ref.Path, "flake.nix"))
	}

	if sum == "" {
		sum = cachehash.Bytes([]byte(cmp.Or(p.installable.String(), p.Raw)))
	}
	return sum[:min(len(sum), 6)]
}

// Equals compares two Packages. This may be an expensive operation since it
// may have to normalize a Package's attribute path, which may require a network