From f6449110370a1453d738534888fb3f4b483e5ee9 Mon Sep 17 00:00:00 2001
From: Otto Liljalaakso <otto.liljalaakso@iki.fi>
Date: Jul 27 2024 10:34:19 +0000
Subject: Check count of added and removed lines in check-valid-tutorial-pr


---

diff --git a/ci/check-valid-tutorial-pr b/ci/check-valid-tutorial-pr
index c1d48c9..c33f17f 100755
--- a/ci/check-valid-tutorial-pr
+++ b/ci/check-valid-tutorial-pr
@@ -1,6 +1,9 @@
 #!/usr/bin/bash
-DIFF=$(git diff --name-only origin/main)
-if [ "$DIFF" != "share/packagers" ]; then
-    echo -e "Not a valid tutorial PR. Expected change in 'share/packagers' only. Changes in:\n$DIFF"
+DIFF=$(git diff --numstat origin/main)
+if [ "$DIFF" != "1       0       share/packagers" ]; then
+    echo -e \
+        "Not a valid tutorial PR." \
+        "Expected single added line in 'share/packagers'." \
+        "Changes in:\n$(git diff --stat origin/main)"
     exit 1
 fi