From 2c3b75a28c90c4bf51a3e5d4db02b44cf2480791 Mon Sep 17 00:00:00 2001
From: winniehell <git@winniehell.de>
Date: Thu, 25 Aug 2016 22:48:17 +0200
Subject: Add linting for duplicate CHANGELOG versions (!6039)

---
 scripts/lint-doc.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'scripts')

diff --git a/scripts/lint-doc.sh b/scripts/lint-doc.sh
index bc6e4d94061..fb4d8463981 100755
--- a/scripts/lint-doc.sh
+++ b/scripts/lint-doc.sh
@@ -10,6 +10,15 @@ then
   exit 1
 fi
 
+# Ensure that the CHANGELOG does not contain duplicate versions
+DUPLICATE_CHANGELOG_VERSIONS=$(grep --extended-regexp '^v [0-9.]+' CHANGELOG | sed 's| (unreleased)||' | sort | uniq -d)
+if [ "${DUPLICATE_CHANGELOG_VERSIONS}" != "" ]
+then
+  echo '✖ ERROR: Duplicate versions in CHANGELOG:' >&2
+  echo "${DUPLICATE_CHANGELOG_VERSIONS}" >&2
+  exit 1
+fi
+
 echo "✔ Linting passed"
 exit 0
 
-- 
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