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

setopt LOCAL_OPTIONS ERR_RETURN NO_UNSET PIPE_FAIL

if [[ ${ARGC} -lt 2 ]]; then
    print -u 2 "Usage: ${0} <old> <new>"
    return 1
fi
local old="${1}"
local new="${2}"

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