Method compareEntry

internal/diff/diff.go:108–206

nolint:gocyclo

(ctx context.Context, e1, e2 fs.Entry, path string)

//nolint:gocyclo
func (c *Comparer) compareEntry(ctx context.Context, e1, e2 fs.Entry, path string) error {
	// see if we have the same object IDs, which implies identical objects, thanks to content-addressable-storage
	h1, e1HasObjectID := e1.(object.HasObjectID)
	h2, e2HasObjectID := e2.(object.HasObjectID)

	if e1HasObjectID && e2HasObjectID {
		if h1.ObjectID() == h2.ObjectID() {
			if _, isDir := e1.(fs.Directory); isDir {
				compareMetadata(ctx, e1, e2, path, &c.stats.DirectoryEntries)
			} else {
				compareMetadata(ctx, e1, e2, path, &c.stats.FileEntries)
			}

			return nil
		}
	}

	if e1 == nil {
		if dir2, isDir2 := e2.(fs.Directory); isDir2 {
			c.output(c.statsOnly, "added directory %v\n", path)

			c.stats.DirectoryEntries.Added++

			return c.compareDirectories(ctx, nil, dir2, path)
		}

		c.output(c.statsOnly, "added file %v (%v bytes)\n", path, e2.Size())

		c.stats.FileEntries.Added++

		if f, ok := e2.(fs.File); ok {
			if err := c.compareFiles(ctx, nil, f, path); err != nil {
				return err
			}
		}

		return nil
	}

	if e2 == nil {
		if dir1, isDir1 := e1.(fs.Directory); isDir1 {
			c.output(c.statsOnly, "removed directory %v\n", path)

			c.stats.DirectoryEntries.Removed++

			return c.compareDirectories(ctx, dir1, nil, path)
		}

		c.output(c.statsOnly, "removed file %v (%v bytes)\n", path, e1.Size())

		c.stats.FileEntries.Removed++

		if f, ok := e1.(fs.File); ok {
			if err := c.compareFiles(ctx, f, nil, path); err != nil {
				return err
			}
		}