ci: notify-telegram.sh — append last 30 log lines on fail

scripts/ci/notify-telegram.sh

@@ -18,6 +18,7 @@ fi
 VERB="${1:-}"
 STAGE="${2:-}"
 EXTRA="${3:-}"
+LOG_PATH="${4:-}"
 
 case "$VERB" in
   start|ok|fail) ;;
@@ -49,6 +50,15 @@ BODY="${HEAD}
 commit: ${SHORT_SHA}
 gitea run: ${RUN_URL}"
 
+if [ "$VERB" = "fail" ] && [ -n "$LOG_PATH" ] && [ -f "$LOG_PATH" ]; then
+  TAIL_LINES=$(tail -n 30 "$LOG_PATH")
+  TAIL_COUNT=$(printf '%s\n' "$TAIL_LINES" | wc -l | tr -d ' ')
+  BODY="${BODY}
+
+last ${TAIL_COUNT} lines:
+${TAIL_LINES}"
+fi
+
 if [ "$DRY_RUN" -eq 1 ]; then
   printf '%s\n' "$BODY"
   exit 0