Align reviewer runtime and Telegram notifications

skills/reviewer-runtime/notify-telegram.sh

@@ -0,0 +1,99 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+DEFAULT_API_BASE_URL="https://api.telegram.org"
+DEFAULT_PARSE_MODE="HTML"
+MAX_MESSAGE_LENGTH=4096
+
+BOT_TOKEN=${TELEGRAM_BOT_TOKEN:-}
+CHAT_ID=${TELEGRAM_CHAT_ID:-}
+API_BASE_URL=${TELEGRAM_API_BASE_URL:-$DEFAULT_API_BASE_URL}
+PARSE_MODE=${TELEGRAM_PARSE_MODE:-$DEFAULT_PARSE_MODE}
+MESSAGE=""
+MESSAGE_FILE=""
+
+usage() {
+  cat <<'EOF'
+Usage:
+  notify-telegram.sh --message <text> [--bot-token <token>] [--chat-id <id>] [--api-base-url <url>]
+  notify-telegram.sh --message-file <path> [--bot-token <token>] [--chat-id <id>] [--api-base-url <url>]
+
+Environment fallbacks:
+  TELEGRAM_BOT_TOKEN
+  TELEGRAM_CHAT_ID
+  TELEGRAM_API_BASE_URL
+  TELEGRAM_PARSE_MODE
+EOF
+}
+
+fail_usage() {
+  echo "Error: $*" >&2
+  usage >&2
+  exit 2
+}
+
+parse_args() {
+  while [[ $# -gt 0 ]]; do
+    case "$1" in
+      --bot-token)
+        BOT_TOKEN=${2:-}
+        shift 2
+        ;;
+      --chat-id)
+        CHAT_ID=${2:-}
+        shift 2
+        ;;
+      --api-base-url)
+        API_BASE_URL=${2:-}
+        shift 2
+        ;;
+      --message)
+        MESSAGE=${2:-}
+        shift 2
+        ;;
+      --message-file)
+        MESSAGE_FILE=${2:-}
+        shift 2
+        ;;
+      --help|-h)
+        usage
+        exit 0
+        ;;
+      *)
+        fail_usage "unknown argument: $1"
+        ;;
+    esac
+  done
+
+  if [[ -n "$MESSAGE" && -n "$MESSAGE_FILE" ]]; then
+    fail_usage "use either --message or --message-file, not both"
+  fi
+
+  if [[ -n "$MESSAGE_FILE" ]]; then
+    [[ -r "$MESSAGE_FILE" ]] || fail_usage "message file is not readable: $MESSAGE_FILE"
+    MESSAGE=$(<"$MESSAGE_FILE")
+  fi
+
+  [[ -n "$MESSAGE" ]] || fail_usage "message is required"
+  [[ -n "$BOT_TOKEN" ]] || fail_usage "bot token is required (use --bot-token or TELEGRAM_BOT_TOKEN)"
+  [[ -n "$CHAT_ID" ]] || fail_usage "chat id is required (use --chat-id or TELEGRAM_CHAT_ID)"
+  command -v curl >/dev/null 2>&1 || fail_usage "curl is required"
+
+  if [[ ${#MESSAGE} -gt "$MAX_MESSAGE_LENGTH" ]]; then
+    MESSAGE=${MESSAGE:0:$MAX_MESSAGE_LENGTH}
+  fi
+}
+
+main() {
+  parse_args "$@"
+
+  curl -fsS -X POST \
+    "${API_BASE_URL%/}/bot${BOT_TOKEN}/sendMessage" \
+    --data-urlencode "chat_id=${CHAT_ID}" \
+    --data-urlencode "text=${MESSAGE}" \
+    --data-urlencode "parse_mode=${PARSE_MODE}" \
+    --data-urlencode "disable_web_page_preview=true" \
+    >/dev/null
+}
+
+main "$@"