#!/usr/bin/env bash

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

HF_REPO_TYPE="${HF_REPO_TYPE:-dataset}"
HF_REPO_NAME="${HF_REPO_NAME:-dsw-web-config}"
HF_PRIVATE="${HF_PRIVATE:-1}"
HF_REVISION="${HF_REVISION:-main}"
HF_DOWNLOAD_BASE_URL="${HF_DOWNLOAD_BASE_URL:-https://hf-mirror.com}"
BUNDLE_NAME="${BUNDLE_NAME:-web_mihomo_bundle.tar.gz}"
SHA_NAME="${BUNDLE_NAME}.sha256"
ENCRYPT_BUNDLE="${ENCRYPT_BUNDLE:-0}"
ENCRYPTED_BUNDLE_NAME="${ENCRYPTED_BUNDLE_NAME:-${BUNDLE_NAME}.enc}"
ENCRYPTED_SHA_NAME="${ENCRYPTED_BUNDLE_NAME}.sha256"
OPENSSL_ITER="${OPENSSL_ITER:-200000}"
MANIFEST_NAME="${MANIFEST_NAME:-manifest.json}"
REMOTE_SCRIPT_NAME="${REMOTE_SCRIPT_NAME:-process_web_hf.sh}"
DEPLOY_SCRIPT_NAME="${DEPLOY_SCRIPT_NAME:-deploy_web_hf_mirror.sh}"
MIHOMO_PORT="${MIHOMO_PORT:-15777}"
MIHOMO_LOG="${MIHOMO_LOG:-/tmp/mihomo_web.log}"
RESTART_MIHOMO="${RESTART_MIHOMO:-1}"

log() {
  printf '[%s] %s\n' "$(date -u +%Y-%m-%dT%H:%M:%SZ)" "$*"
}

die() {
  printf 'error: %s\n' "$*" >&2
  exit 1
}

require_cmd() {
  command -v "$1" >/dev/null 2>&1 || die "missing required command: $1"
}

need_token() {
  [[ -n "${HF_TOKEN:-}" ]] || die "HF_TOKEN is required; export it before running this script"
}

need_bundle_key() {
  [[ -n "${WEB_BUNDLE_KEY:-}" ]] || die "WEB_BUNDLE_KEY is required to encrypt the public bundle"
  export WEB_BUNDLE_KEY
}

repo_prefix() {
  case "${HF_REPO_TYPE}" in
    dataset) printf 'datasets/' ;;
    model) printf '' ;;
    space) printf 'spaces/' ;;
    *) die "unsupported HF_REPO_TYPE: ${HF_REPO_TYPE}; use dataset, model, or space" ;;
  esac
}

repo_url() {
  local repo_id="$1"
  printf 'https://huggingface.co/%s%s' "$(repo_prefix)" "${repo_id}"
}

download_repo_url() {
  local repo_id="$1"
  printf '%s/%s%s' "${HF_DOWNLOAD_BASE_URL%/}" "$(repo_prefix)" "${repo_id}"
}

resolve_repo_id_with_hub() {
  if [[ -n "${HF_REPO_ID:-}" ]]; then
    printf '%s\n' "${HF_REPO_ID}"
    return
  fi

  need_token
  python3 - "${HF_REPO_NAME}" <<'PY'
import os
import sys
from huggingface_hub import HfApi

repo_name = sys.argv[1]
info = HfApi(token=os.environ["HF_TOKEN"]).whoami()
owner = info.get("name")
if not owner:
    raise SystemExit("could not determine Hugging Face username from token; set HF_REPO_ID")
print(f"{owner}/{repo_name}")
PY
}

resolve_repo_id_with_api() {
  if [[ -n "${HF_REPO_ID:-}" ]]; then
    printf '%s\n' "${HF_REPO_ID}"
    return
  fi

  need_token
  require_cmd python3
  python3 - "${HF_REPO_NAME}" <<'PY'
import json
import os
import sys
import urllib.request

repo_name = sys.argv[1]
req = urllib.request.Request(
    "https://huggingface.co/api/whoami-v2",
    headers={"Authorization": f"Bearer {os.environ['HF_TOKEN']}"},
)
with urllib.request.urlopen(req, timeout=30) as resp:
    info = json.load(resp)
owner = info.get("name")
if not owner:
    raise SystemExit("could not determine Hugging Face username from token; set HF_REPO_ID")
print(f"{owner}/{repo_name}")
PY
}

have_huggingface_hub() {
  require_cmd python3
  if python3 - <<'PY' >/dev/null 2>&1
import huggingface_hub  # noqa: F401
PY
  then
    return 0
  fi

  return 1
}

ensure_huggingface_hub() {
  if have_huggingface_hub; then
    return 0
  fi

  if [[ "${HF_SKIP_DEPENDENCY_INSTALL:-0}" == "1" ]]; then
    return 1
  fi

  if ! python3 -m pip --version >/dev/null 2>&1; then
    return 1
  fi

  log "installing python package: huggingface_hub"
  python3 -m pip install --user -q huggingface_hub
  have_huggingface_hub
}

validate_local_payload() {
  [[ -x "${SCRIPT_DIR}/mihomo" ]] || die "missing executable: ${SCRIPT_DIR}/mihomo"
  [[ -d "${SCRIPT_DIR}/etc/mihomo" ]] || die "missing directory: ${SCRIPT_DIR}/etc/mihomo"
  [[ -f "${SCRIPT_DIR}/etc/mihomo/config.yaml" ]] || die "missing file: ${SCRIPT_DIR}/etc/mihomo/config.yaml"
}

make_bundle() {
  local out_dir="$1"
  local bundle="${out_dir}/${BUNDLE_NAME}"
  local sha_file="${out_dir}/${SHA_NAME}"
  local manifest="${out_dir}/${MANIFEST_NAME}"
  local bundle_sha

  validate_local_payload
  require_cmd tar
  require_cmd sha256sum

  tar -C "${SCRIPT_DIR}" -czf "${bundle}" mihomo etc/mihomo
  bundle_sha="$(sha256sum "${bundle}" | awk '{print $1}')"
  printf '%s  %s\n' "${bundle_sha}" "${BUNDLE_NAME}" > "${sha_file}"

  cat > "${manifest}" <<EOF
{
  "created_at_utc": "$(date -u +%Y-%m-%dT%H:%M:%SZ)",
  "bundle": "${BUNDLE_NAME}",
  "sha256": "${bundle_sha}",
  "repo_type": "${HF_REPO_TYPE}",
  "files": [
    "mihomo",
    "etc/mihomo"
  ]
}
EOF

  printf '%s\n' "${bundle}"
}

encrypt_bundle() {
  local bundle="$1"
  local out_dir="$2"
  local encrypted_bundle="${out_dir}/${ENCRYPTED_BUNDLE_NAME}"
  local encrypted_sha_file="${out_dir}/${ENCRYPTED_SHA_NAME}"

  require_cmd openssl
  require_cmd sha256sum
  need_bundle_key

  openssl enc -aes-256-cbc -salt -pbkdf2 -iter "${OPENSSL_ITER}" -md sha256 \
    -pass env:WEB_BUNDLE_KEY \
    -in "${bundle}" \
    -out "${encrypted_bundle}"
  sha256sum "${encrypted_bundle}" | awk -v name="${ENCRYPTED_BUNDLE_NAME}" '{ print $1 "  " name }' > "${encrypted_sha_file}"
  printf '%s\n' "${encrypted_bundle}"
}

print_remote_install_command() {
  local repo_id="$1"

  cat <<EOF

Run this on the new cluster:

  export HF_REPO_ID=${repo_id}
  WEB_BUNDLE_KEY=<your_web_bundle_key> wget -O /tmp/${DEPLOY_SCRIPT_NAME} "$(download_repo_url "${repo_id}")/resolve/${HF_REVISION}/${DEPLOY_SCRIPT_NAME}" && WEB_BUNDLE_KEY=<your_web_bundle_key> bash /tmp/${DEPLOY_SCRIPT_NAME} install

EOF
}

publish_bundle_with_hub() {
  local repo_id="$1"
  local bundle="$2"
  local sha_file="$3"
  local manifest="$4"
  local script_path="$5"
  local deploy_script_path="$6"

  log "publishing through huggingface_hub: ${HF_REPO_TYPE} repo ${repo_id}"
  python3 - "${repo_id}" "${HF_REPO_TYPE}" "${bundle}" "${sha_file}" "${manifest}" "${script_path}" "${REMOTE_SCRIPT_NAME}" "${deploy_script_path}" "${DEPLOY_SCRIPT_NAME}" <<'PY'
import os
import sys
from huggingface_hub import HfApi

repo_id, repo_type, bundle, sha_file, manifest, script_path, remote_script_name, deploy_script_path, deploy_script_name = sys.argv[1:]
token = os.environ["HF_TOKEN"]
private = os.environ.get("HF_PRIVATE", "1").lower() not in {"0", "false", "no"}
api = HfApi(token=token)
api.create_repo(repo_id=repo_id, repo_type=repo_type, private=private, exist_ok=True)
uploads = [
    (bundle, os.path.basename(bundle)),
    (sha_file, os.path.basename(sha_file)),
    (manifest, os.path.basename(manifest)),
    (script_path, remote_script_name),
    (deploy_script_path, deploy_script_name),
]
for local_path, path_in_repo in uploads:
    api.upload_file(
        path_or_fileobj=local_path,
        path_in_repo=path_in_repo,
        repo_id=repo_id,
        repo_type=repo_type,
        token=token,
    )
PY
}

create_repo_with_api() {
  local repo_id="$1"

  need_token
  require_cmd python3
  python3 - "${repo_id}" "${HF_REPO_TYPE}" <<'PY'
import json
import os
import sys
import urllib.error
import urllib.request

repo_id, repo_type = sys.argv[1:]
token = os.environ["HF_TOKEN"]

whoami_req = urllib.request.Request(
    "https://huggingface.co/api/whoami-v2",
    headers={"Authorization": f"Bearer {token}"},
)
with urllib.request.urlopen(whoami_req, timeout=30) as resp:
    username = json.load(resp).get("name")

if "/" in repo_id:
    owner, name = repo_id.split("/", 1)
else:
    owner, name = None, repo_id

private = os.environ.get("HF_PRIVATE", "1").lower() not in {"0", "false", "no"}
payload = {"type": repo_type, "name": name, "private": private}
if owner and owner != username:
    payload["organization"] = owner

req = urllib.request.Request(
    "https://huggingface.co/api/repos/create",
    data=json.dumps(payload).encode("utf-8"),
    headers={
        "Authorization": f"Bearer {token}",
        "Content-Type": "application/json",
    },
    method="POST",
)
try:
    with urllib.request.urlopen(req, timeout=60) as resp:
        resp.read()
except urllib.error.HTTPError as exc:
    body = exc.read().decode("utf-8", errors="replace")
    if exc.code in {400, 409} and ("exist" in body.lower() or "already created" in body.lower()):
        pass
    else:
        raise SystemExit(f"create repo failed: HTTP {exc.code}: {body}")
PY
}

publish_bundle_with_git() {
  local repo_id="$1"
  local bundle="$2"
  local sha_file="$3"
  local manifest="$4"
  local script_path="$5"
  local deploy_script_path="$6"
  local tmp_git repo_dir repo_http_url askpass upload_bundle_name upload_sha_name

  require_cmd git
  create_repo_with_api "${repo_id}"

  tmp_git="$(mktemp -d)"
  cleanup_git() {
    rm -rf "${tmp_git}"
  }
  trap cleanup_git RETURN

  repo_dir="${tmp_git}/repo"
  repo_http_url="$(repo_url "${repo_id}")"
  upload_bundle_name="$(basename "${bundle}")"
  upload_sha_name="$(basename "${sha_file}")"
  askpass="${tmp_git}/git-askpass.sh"
  cat > "${askpass}" <<'EOF'
#!/usr/bin/env sh
case "$1" in
  *Username*) printf '%s\n' "hf_user" ;;
  *Password*) printf '%s\n' "${HF_TOKEN}" ;;
  *) printf '%s\n' "${HF_TOKEN}" ;;
esac
EOF
  chmod 700 "${askpass}"

  log "publishing through git: private ${HF_REPO_TYPE} repo ${repo_id}"
  GIT_ASKPASS="${askpass}" GIT_TERMINAL_PROMPT=0 git clone "${repo_http_url}" "${repo_dir}" >/dev/null 2>&1 || {
    rm -rf "${repo_dir}"
    mkdir -p "${repo_dir}"
    git -C "${repo_dir}" init >/dev/null
    git -C "${repo_dir}" remote add origin "${repo_http_url}"
    git -C "${repo_dir}" checkout -b main >/dev/null
  }

  cp "${bundle}" "${repo_dir}/${upload_bundle_name}"
  cp "${sha_file}" "${repo_dir}/${upload_sha_name}"
  cp "${manifest}" "${repo_dir}/${MANIFEST_NAME}"
  cp "${script_path}" "${repo_dir}/${REMOTE_SCRIPT_NAME}"
  cp "${deploy_script_path}" "${repo_dir}/${DEPLOY_SCRIPT_NAME}"

  if command -v git-lfs >/dev/null 2>&1; then
    git -C "${repo_dir}" lfs install --local >/dev/null
    git -C "${repo_dir}" lfs track "${upload_bundle_name}" >/dev/null
  fi

  git -C "${repo_dir}" config user.email "${HF_GIT_EMAIL:-web-config-uploader@local}"
  git -C "${repo_dir}" config user.name "${HF_GIT_NAME:-web-config-uploader}"
  git -C "${repo_dir}" add "${upload_bundle_name}" "${upload_sha_name}" "${MANIFEST_NAME}" "${REMOTE_SCRIPT_NAME}" "${DEPLOY_SCRIPT_NAME}"
  if [[ -f "${repo_dir}/.gitattributes" ]]; then
    git -C "${repo_dir}" add .gitattributes
  fi
  if git -C "${repo_dir}" diff --cached --quiet; then
    log "repo already has the current files"
  else
    git -C "${repo_dir}" commit -m "Upload web mihomo bundle" >/dev/null
    GIT_ASKPASS="${askpass}" GIT_TERMINAL_PROMPT=0 git -C "${repo_dir}" push origin HEAD:main >/dev/null
  fi
}

publish_bundle() {
  need_token

  local tmp_dir tmp_dir_q repo_id bundle sha_file manifest script_path deploy_script_path upload_bundle upload_sha_file
  tmp_dir="$(mktemp -d)"
  tmp_dir_q="$(printf '%q' "${tmp_dir}")"
  trap "rm -rf ${tmp_dir_q}" EXIT

  bundle="$(make_bundle "${tmp_dir}")"
  sha_file="${tmp_dir}/${SHA_NAME}"
  manifest="${tmp_dir}/${MANIFEST_NAME}"
  upload_bundle="${bundle}"
  upload_sha_file="${sha_file}"
  if [[ "${ENCRYPT_BUNDLE}" == "1" ]]; then
    upload_bundle="$(encrypt_bundle "${bundle}" "${tmp_dir}")"
    upload_sha_file="${tmp_dir}/${ENCRYPTED_SHA_NAME}"
  fi
  repo_id="$(resolve_repo_id_with_api)"
  script_path="${SCRIPT_DIR}/$(basename "$0")"
  deploy_script_path="${SCRIPT_DIR}/${DEPLOY_SCRIPT_NAME}"
  [[ -f "${deploy_script_path}" ]] || die "missing deploy script: ${deploy_script_path}"

  if ensure_huggingface_hub; then
    publish_bundle_with_hub "${repo_id}" "${upload_bundle}" "${upload_sha_file}" "${manifest}" "${script_path}" "${deploy_script_path}"
  else
    log "huggingface_hub is unavailable; falling back to git upload"
    publish_bundle_with_git "${repo_id}" "${upload_bundle}" "${upload_sha_file}" "${manifest}" "${script_path}" "${deploy_script_path}"
  fi

  log "uploaded bundle sha256: $(awk '{print $1}' "${upload_sha_file}")"
  log "repo: $(repo_url "${repo_id}")"
  log "deploy mirror: $(download_repo_url "${repo_id}")"
  print_remote_install_command "${repo_id}"
}

run_as_root() {
  if [[ "${EUID}" -eq 0 ]]; then
    "$@"
  else
    require_cmd sudo
    sudo "$@"
  fi
}

install_payload() {
  local payload_dir="$1"
  local backup_dir=""

  [[ -x "${payload_dir}/mihomo" ]] || die "payload missing executable: ${payload_dir}/mihomo"
  [[ -d "${payload_dir}/etc/mihomo" ]] || die "payload missing directory: ${payload_dir}/etc/mihomo"

  if [[ -d /etc/mihomo ]]; then
    backup_dir="/etc/mihomo.bak.$(date -u +%Y%m%dT%H%M%SZ)"
    log "backing up /etc/mihomo to ${backup_dir}"
    run_as_root cp -a /etc/mihomo "${backup_dir}"
  fi

  log "installing mihomo config to /etc/mihomo"
  run_as_root rm -rf /etc/mihomo
  run_as_root mkdir -p /etc
  run_as_root cp -a "${payload_dir}/etc/mihomo" /etc/mihomo

  log "installing mihomo binary to /usr/local/bin/mihomo"
  run_as_root install -m 0755 "${payload_dir}/mihomo" /usr/local/bin/mihomo
}

update_shell_profile() {
  local bashrc="${HOME}/.bashrc"
  local tmp_file

  mkdir -p "$(dirname "${bashrc}")"
  touch "${bashrc}"
  tmp_file="$(mktemp)"

  awk '
    /^# >>> Mihomo Config Start >>>$/ { skip = 1; next }
    /^# <<< Mihomo Config End <<<$/ { skip = 0; next }
    skip != 1 { print }
  ' "${bashrc}" > "${tmp_file}"

  cat >> "${tmp_file}" <<EOF

# >>> Mihomo Config Start >>>
# Start mihomo automatically for interactive shells.
if ! pgrep -f "/usr/local/bin/mihomo -d /etc/mihomo" > /dev/null 2>&1; then
    nohup /usr/local/bin/mihomo -d /etc/mihomo > ${MIHOMO_LOG} 2>&1 &
fi

prox() {
    export https_proxy=http://127.0.0.1:${MIHOMO_PORT}
    export http_proxy=http://127.0.0.1:${MIHOMO_PORT}
    git config --global https.proxy http://127.0.0.1:${MIHOMO_PORT}
    git config --global http.proxy http://127.0.0.1:${MIHOMO_PORT}
}

unprox() {
    unset https_proxy http_proxy
    git config --global --unset-all http.proxy >/dev/null 2>&1 || true
    git config --global --unset-all https.proxy >/dev/null 2>&1 || true
}
# <<< Mihomo Config End <<<
EOF

  mv "${tmp_file}" "${bashrc}"
  log "updated ${bashrc}"
}

start_mihomo() {
  if pgrep -f "/usr/local/bin/mihomo -d /etc/mihomo" >/dev/null 2>&1; then
    if [[ "${RESTART_MIHOMO}" == "1" ]]; then
      log "restarting mihomo"
      pkill -f "/usr/local/bin/mihomo -d /etc/mihomo" >/dev/null 2>&1 || true
      sleep 1
    else
      log "mihomo is already running"
      return
    fi
  else
    log "starting mihomo"
  fi

  nohup /usr/local/bin/mihomo -d /etc/mihomo > "${MIHOMO_LOG}" 2>&1 &
  sleep 1
  pgrep -f "/usr/local/bin/mihomo -d /etc/mihomo" >/dev/null 2>&1 || die "mihomo did not start; check ${MIHOMO_LOG}"
  log "mihomo is running; log: ${MIHOMO_LOG}"
}

download_with_hf_token() {
  local url="$1"
  local out="$2"
  local cfg headers status location origin

  need_token
  require_cmd curl

  cfg="$(mktemp)"
  headers="$(mktemp)"

  chmod 600 "${cfg}" "${headers}"
  {
    printf 'fail\n'
    printf 'silent\n'
    printf 'show-error\n'
    printf 'header = "Authorization: Bearer %s"\n' "${HF_TOKEN}"
  } > "${cfg}"

  status="$(curl --config "${cfg}" -I -o /dev/null -D "${headers}" -w '%{http_code}' "${url}")"
  if [[ "${status}" =~ ^30 ]]; then
    location="$(awk 'tolower($1) == "location:" { sub(/\r$/, ""); sub(/^Location:[[:space:]]*/, ""); print; exit }' "${headers}")"
    [[ -n "${location}" ]] || die "redirect without Location header for ${url}"
    if [[ "${location}" == /* ]]; then
      origin="$(python3 - "$url" <<'PY'
import sys
from urllib.parse import urlsplit

parts = urlsplit(sys.argv[1])
print(f"{parts.scheme}://{parts.netloc}")
PY
)"
      location="${origin}${location}"
    fi
    curl -fsSL -o "${out}" "${location}" || curl --config "${cfg}" -L -o "${out}" "${location}"
  elif [[ "${status}" == "200" ]]; then
    curl --config "${cfg}" -o "${out}" "${url}"
  else
    rm -f "${cfg}" "${headers}"
    die "download failed for ${url}; HTTP ${status}"
  fi

  rm -f "${cfg}" "${headers}"
}

download_and_install() {
  need_token
  require_cmd tar
  require_cmd sha256sum

  local repo_id base_url tmp_dir bundle sha_file extract_dir
  repo_id="$(resolve_repo_id_with_api)"
  base_url="$(download_repo_url "${repo_id}")/resolve/${HF_REVISION}"
  tmp_dir="$(mktemp -d)"
  cleanup() {
    rm -rf "${tmp_dir}"
  }
  trap cleanup EXIT

  bundle="${tmp_dir}/${BUNDLE_NAME}"
  sha_file="${tmp_dir}/${SHA_NAME}"
  extract_dir="${tmp_dir}/payload"
  mkdir -p "${extract_dir}"

  log "downloading ${BUNDLE_NAME} from $(download_repo_url "${repo_id}")"
  download_with_hf_token "${base_url}/${BUNDLE_NAME}" "${bundle}"
  download_with_hf_token "${base_url}/${SHA_NAME}" "${sha_file}"

  (cd "${tmp_dir}" && sha256sum -c "${SHA_NAME}")
  tar -xzf "${bundle}" -C "${extract_dir}"

  install_payload "${extract_dir}"
  update_shell_profile
  start_mihomo

  log "done. Run 'source ~/.bashrc' or open a new shell, then use 'prox' to enable shell/git proxy."
}

local_install() {
  validate_local_payload
  install_payload "${SCRIPT_DIR}"
  update_shell_profile
  start_mihomo
  log "done. Run 'source ~/.bashrc' or open a new shell, then use 'prox' to enable shell/git proxy."
}

print_usage() {
  cat <<EOF
Usage:
  $(basename "$0") publish        Package local mihomo files and upload them to a private Hugging Face repo.
  $(basename "$0") publish-public-encrypted
                         Package local mihomo files, encrypt them, and upload to a public Hugging Face repo.
  $(basename "$0") install        Download the bundle from Hugging Face and install it on this machine.
  $(basename "$0") local          Install from files already present in this directory.
  $(basename "$0") package DIR    Create a local bundle in DIR without uploading.

Environment:
  HF_TOKEN       Required for publish/install.
  HF_REPO_ID     Optional. Example: yourname/dsw-web-config
  HF_REPO_NAME   Default: ${HF_REPO_NAME}
  HF_REPO_TYPE   Default: ${HF_REPO_TYPE}
  HF_PRIVATE     Default: ${HF_PRIVATE}
  HF_REVISION    Default: ${HF_REVISION}
  HF_DOWNLOAD_BASE_URL
                 Default: ${HF_DOWNLOAD_BASE_URL}
  WEB_BUNDLE_KEY Required encryption key for publish-public-encrypted.

Examples:
  export HF_TOKEN=<your_huggingface_token>
  bash $(basename "$0") publish

  export HF_TOKEN=<your_huggingface_token>
  export HF_REPO_ID=yourname/dsw-web-config
  bash $(basename "$0") install
EOF
}

main() {
  local cmd="${1:-install}"
  case "${cmd}" in
    publish|upload)
      publish_bundle
      ;;
    publish-public-encrypted|publish_encrypted_public|publish-encrypted-public)
      export HF_PRIVATE=0
      export ENCRYPT_BUNDLE=1
      if [[ -z "${HF_REPO_ID:-}" ]]; then
        HF_REPO_NAME="${HF_PUBLIC_REPO_NAME:-dsw-web-config-encrypted}"
      fi
      publish_bundle
      ;;
    install)
      download_and_install
      ;;
    local|install-local)
      local_install
      ;;
    package)
      local out_dir="${2:-}"
      [[ -n "${out_dir}" ]] || die "package requires an output directory"
      mkdir -p "${out_dir}"
      make_bundle "${out_dir}" >/dev/null
      log "created ${out_dir}/${BUNDLE_NAME}"
      log "created ${out_dir}/${SHA_NAME}"
      log "created ${out_dir}/${MANIFEST_NAME}"
      ;;
    -h|--help|help)
      print_usage
      ;;
    *)
      print_usage >&2
      exit 2
      ;;
  esac
}

main "$@"