#!/usr/bin/env zsh
# Compare 2 Btrfs snapshots

setopt LOCAL_OPTIONS ERR_RETURN NO_UNSET PIPE_FAIL

autoload -U die

[[ ${ARGC} -ne 2 ]] && die 1 "usage: ${0} <old> <new>"
local old=${1}
local new=${2}

btrfs send --no-data -p ${old} ${new} | btrfs receive --dump