From 24358fd3e3b424b83f61c11af56bfd6bee8bb6ab Mon Sep 17 00:00:00 2001
From: gnezim <gnezim@gmail.com>
Date: Sat, 25 Apr 2026 02:35:33 +0300
Subject: [PATCH] =?UTF-8?q?ci:=20notify-telegram.sh=20=E2=80=94=20append?=
 =?UTF-8?q?=20last=2030=20log=20lines=20on=20fail?=
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---
 scripts/ci/notify-telegram.sh    | 10 ++++++++++
 tests/ci/test-notify-telegram.sh | 14 ++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/scripts/ci/notify-telegram.sh b/scripts/ci/notify-telegram.sh
index b3d9d620..db070636 100755
--- a/scripts/ci/notify-telegram.sh
+++ b/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
diff --git a/tests/ci/test-notify-telegram.sh b/tests/ci/test-notify-telegram.sh
index c9a816ce..ef678387 100755
--- a/tests/ci/test-notify-telegram.sh
+++ b/tests/ci/test-notify-telegram.sh
@@ -44,4 +44,18 @@ if "$SCRIPT" ok ci-deploy 2>/dev/null; then
   exit 1
 fi
 
+
+# --- fail with log tail ---
+TMPLOG=$(mktemp)
+printf 'line1\nline2\nline3\n' > "$TMPLOG"
+out=$("$SCRIPT" --dry-run fail ci-deploy "Run Playwright e2e" "$TMPLOG")
+assert_contains "$out" "last 3 lines"
+assert_contains "$out" "line1"
+assert_contains "$out" "line3"
+rm -f "$TMPLOG"
+
+# --- fail with missing log file: should still print message, no crash ---
+out=$("$SCRIPT" --dry-run fail ci-deploy "Build" "/nonexistent/log")
+assert_contains "$out" "❌ ci-deploy FAILED"
+
 echo "PASS: notify-telegram.sh"