From df3e5b744db29c085f5bc05f8b609197bcbf9b0c Mon Sep 17 00:00:00 2001
From: David Eichmann <EichmannD@gmail.com>
Date: Thu, 27 Jun 2019 11:11:28 +0100
Subject: [PATCH] Hadrian: disable cloud build cache for symlinks #16800
This is a temporary workaround shake not supporting symlinks
when using cloud/cached builds.
---
hadrian/src/Hadrian/Utilities.hs | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hadrian/src/Hadrian/Utilities.hs b/hadrian/src/Hadrian/Utilities.hs
index c934fa259d6..4a4061157b5 100644
--- a/hadrian/src/Hadrian/Utilities.hs
+++ b/hadrian/src/Hadrian/Utilities.hs
@@ -305,6 +305,10 @@ isGeneratedSource file = buildRoot <&> (`isPrefixOf` file)
-- missing.
createFileLink :: FilePath -> FilePath -> Action ()
createFileLink linkTarget link = do
+ -- TODO `disableHistory` is a temporary fix (see issue #16866). Remove
+ -- `disableHistory` when shake issue is fixed: https://github.com/ndmitchell/shake/issues/683.
+ historyDisable
+
let source = if isAbsolute linkTarget
then linkTarget
else takeDirectory link -/- linkTarget
--
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