#!/usr/bin/env bash

set -eu -o pipefail

port=2222
nixCasyncBin="$1"
chunkSize="$2"
storePath="$3"
resultsFile="$4"

####################
# nix-casync metrics
####################

casyncDir=$(mktemp -d)
trap 'rm -rf ${casyncDir}' EXIT

${nixCasyncBin} serve --cache-path="${casyncDir}" --listen-addr="[::]:${port}" --avg-chunk-size="${chunkSize}" &
nixCasyncPid=$!
trap 'rm -rf ${casyncDir}; kill -2 ${nixCasyncPid}' EXIT

# Disabling compression: we're copying locally, it just slows down the
# test...
nix copy \
  --extra-experimental-features nix-command \
  --to "http://[::]:${port}?compression=none" "${storePath}" \
  --refresh

echo "Chunk Size;Chunk Name" > "${resultsFile}"
find "${casyncDir}" -name "*.cacnk" -printf "%s;%f\n" >> "${resultsFile}"