From 6df786bea95702c5986d31c47901ad7fefea85d0 Mon Sep 17 00:00:00 2001
From: John Bytheway <52664+jbytheway@users.noreply.github.com>
Date: Mon, 13 Mar 2023 16:32:20 -0400
Subject: [PATCH] Work around VS2019 filesystem issue

---
 src/filesystem.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/filesystem.cpp b/src/filesystem.cpp
index e498da37363f6..429995ffa77d3 100644
--- a/src/filesystem.cpp
+++ b/src/filesystem.cpp
@@ -21,6 +21,15 @@
 
 bool assure_dir_exist( const std::string &path )
 {
+    // TEMPORARY until we drop VS2019 support
+    // VS2019 std::filesystem doesn't handle trailing slashes well in this
+    // situation.  We think this is a bug.  Work around it by removing the
+    // trailing slash if present.
+    if( string_ends_with( path, "/" ) ) {
+        std::string p = path;
+        p.pop_back();
+        return assure_dir_exist( fs::u8path( p ) );
+    }
     return assure_dir_exist( fs::u8path( path ) );
 }