From 1c837992180a2ca86cbde4248be1a23749751e14 Mon Sep 17 00:00:00 2001
From: Alexandre Archambault <alexandre.archambault@gmail.com>
Date: Thu, 1 Jun 2017 09:19:06 +0200
Subject: [PATCH] Check that README.md doesn't change after a tut run on CI

---
 scripts/travis.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/scripts/travis.sh b/scripts/travis.sh
index 8e1059c33..7d017215c 100755
--- a/scripts/travis.sh
+++ b/scripts/travis.sh
@@ -111,7 +111,18 @@ runJvmTests() {
 }
 
 validateReadme() {
+  # check that tut runs fine, and that the README doesn't change after a `sbt tut`
+  mv README.md README.md.orig
+
   sbt ++${SCALA_VERSION} tut
+
+  if cmp -s README.md.orig README.md; then
+    echo "README.md doesn't change"
+  else
+    echo "Error: README.md not the same after a \"sbt tut\":"
+    diff -u README.md.orig README.md
+    exit 1
+  fi
 }
 
 checkBinaryCompatibility() {