From ea67d3376be3cb47b9e284dd979c0939ec28b9a9 Mon Sep 17 00:00:00 2001
From: Amina Adewusi <amina.adewusi@guardian.co.uk>
Date: Sun, 12 Sep 2021 04:42:01 +0100
Subject: [PATCH] Fix for crossSbtVersions triggering lintBuild

Currently crossSbtVersions is incorrectly generating a warning that it
is an unused setting (see https://github.com/sbt/sbt/pull/5153). This
PR fixes this by adding it to the list of excluded lint keys.

Fixes #6571.
---
 main/src/main/scala/sbt/internal/LintUnused.scala | 1 +
 1 file changed, 1 insertion(+)

diff --git a/main/src/main/scala/sbt/internal/LintUnused.scala b/main/src/main/scala/sbt/internal/LintUnused.scala
index af7645504..17bb15924 100644
--- a/main/src/main/scala/sbt/internal/LintUnused.scala
+++ b/main/src/main/scala/sbt/internal/LintUnused.scala
@@ -32,6 +32,7 @@ object LintUnused {
       concurrentRestrictions,
       commands,
       crossScalaVersions,
+      crossSbtVersions,
       initialize,
       lintUnusedKeysOnLoad,
       onLoad,