From b4b03753eeb81467dc3d52c7277e043aa6aa1eeb Mon Sep 17 00:00:00 2001
From: Jon Skeet <jonskeet@google.com>
Date: Thu, 18 Feb 2021 09:31:25 +0000
Subject: [PATCH] Fix docfx build

Looks like older versions of docfx didn't like .NET Core SDK 3.1 (or
minor updates to it)
---
 DocfxFunctions.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/DocfxFunctions.sh b/DocfxFunctions.sh
index 416f6829db..d4af155b7c 100644
--- a/DocfxFunctions.sh
+++ b/DocfxFunctions.sh
@@ -3,9 +3,13 @@
 
 declare -r REPO_ROOT=$(readlink -f $(dirname ${BASH_SOURCE}))
 declare -r TOOL_PACKAGES=$REPO_ROOT/packages
-declare -r DOCFX_VERSION=2.39.1
+declare -r DOCFX_VERSION=2.56.6
 declare -r DOCFX=$TOOL_PACKAGES/docfx.$DOCFX_VERSION/docfx.exe
 
+# Appears to fix some issues in docfx.
+# Unfortunately docfx is a bit "magical" in that respect :(
+export VSINSTALLDIR=
+
 install_docfx() {
   if [[ ! -f $DOCFX ]]
   then