From 1937016b7834338eef12be19caefc8e37a90cd29 Mon Sep 17 00:00:00 2001
From: Andreas Klebinger <klebinger.andreas@gmx.at>
Date: Thu, 20 Oct 2022 19:08:16 +0200
Subject: [PATCH] hadrian: Improve error for wrong key/value errors.
---
hadrian/src/Settings.hs | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hadrian/src/Settings.hs b/hadrian/src/Settings.hs
index 6a2fcfff2db6..fd44af1916a4 100755
--- a/hadrian/src/Settings.hs
+++ b/hadrian/src/Settings.hs
@@ -74,7 +74,8 @@ flavour = do
(settingErrs, tweak) = applySettings kvs
when (not $ null settingErrs) $ fail
- $ "failed to apply key-value settings:" ++ unlines (map (" - " ++) settingErrs)
+ $ "failed to apply key-value settings:\n\t" ++ unlines (map (" - " ++) settingErrs) ++
+ "\t Entries should look something like \"stage1.containers.ghc.hs.opts += -Werror\""
case parseFlavour flavours flavourTransformers flavourName of
Left err -> fail err
--
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