cronジョブの結果をAndroidに通知する

(
  set -eu
  umask 077
  for file in "$HOME/.local/bin/notify-android.sh" "$HOME/.local/bin/nightly-with-alert.sh"; do
    if [[ -e "$file" || -L "$file" ]]; then
      printf 'Setup stopped: %s already exists. Existing files were kept. Review them before continuing.\n' "$file" >&2
      exit 1
    fi
  done
  install -d -m 700 "$HOME/.local/bin"
  set -C
  cat > "$HOME/.local/bin/notify-android.sh" <<'QUEUERING_SENDER'
#!/usr/bin/env bash
set +x
set -eu
set +x
: "${QUEUE_ID:?Load your Queue ID before sending}"
[[ "$QUEUE_ID" =~ ^qr1\.[A-Za-z0-9_-]{1,16}\.[A-Za-z0-9_-]{59}$ ]] || {
  printf 'Invalid Queue ID format; copy it from the app.\n' >&2
  exit 1
}
: "${1:?Pass a short notification message}"
message=$1
status=$(curl --silent --connect-timeout 10 --max-time 30 \
  --output /dev/null --dump-header /dev/stderr --write-out '%{http_code}' \
  --request POST "https://api.queuering.org/q/$QUEUE_ID" \
  --header 'Content-Type: text/plain; charset=utf-8' \
  --data-binary "$message") || {
  printf 'Notification transport failed; check connectivity.\n' >&2
  exit 1
}
printf 'Notification HTTP %s\n' "$status" >&2
[[ "$status" == 202 ]]
QUEUERING_SENDER
  cat > "$HOME/.local/bin/nightly-with-alert.sh" <<'QUEUERING_WRAPPER'
#!/usr/bin/env bash
set +x
set -eu
PATH=/usr/local/bin:/usr/bin:/bin
export PATH
result=0
bash "$HOME/.local/bin/nightly-job.sh" || result=$?
if ! IFS= read -r QUEUE_ID < "$HOME/.config/queuering/queue-id"; then
  printf 'Notification skipped: cannot read Queue ID configuration.\n' >&2
elif ! QUEUE_ID="$QUEUE_ID" bash "$HOME/.local/bin/notify-android.sh" "Nightly job finished (exit $result)"; then
  printf 'Notification failed; the cron job exit code is preserved.\n' >&2
fi
exit "$result"
QUEUERING_WRAPPER
)

bash "$HOME/.local/bin/nightly-with-alert.sh"
echo $?