return true
		}
		if checkCopyObjectPartPreconditions(ctx, w, r, o) {
			return true
		}
		if parseRangeErr != nil {
			writeCopyPartErr(ctx, w, parseRangeErr, r.URL)
			// Range header mismatch is pre-condition like failure
			// so return true to indicate Range precondition failed.
			return true
		}
		return false
	}
	getOpts.CheckPrecondFn = checkCopyPartPrecondFn

		// request like Amazon S3.
		if errors.Is(rangeErr, errInvalidRange) {
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidRange), r.URL)
			return
		}
	}

	// Validate pre-conditions if any.
	opts.CheckPrecondFn = func(oi ObjectInfo) bool {
		if _, err := DecryptObjectInfo(&oi, r); err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return true
		}