[vcpkg-export] Fix nuget export. Fixes #1223.

2 files changed, 6 insertions, 1 deletions

diff --git a/toolsrc/src/commands_export.cpp b/toolsrc/src/commands_export.cpp
index e46001b06..cbb3a7733 100644
--- a/toolsrc/src/commands_export.cpp
+++ b/toolsrc/src/commands_export.cpp
@@ -122,6 +122,10 @@ namespace vcpkg::Commands::Export
         const std::string targets_redirect_content =
             create_targets_redirect("../../scripts/buildsystems/msbuild/vcpkg.targets");
         const fs::path targets_redirect = paths.buildsystems / "tmp" / "vcpkg.export.nuget.targets";
+
+        std::error_code ec;
+        fs.create_directories(paths.buildsystems / "tmp", ec);
+
         fs.write_contents(targets_redirect, targets_redirect_content);
 
         const std::string nuspec_file_content =
diff --git a/toolsrc/src/vcpkg_Files.cpp b/toolsrc/src/vcpkg_Files.cpp
index 7b12ea699..29da7e684 100644
--- a/toolsrc/src/vcpkg_Files.cpp
+++ b/toolsrc/src/vcpkg_Files.cpp
@@ -164,7 +164,8 @@ namespace vcpkg::Files
         {
             FILE* f = nullptr;
             auto ec = _wfopen_s(&f, file_path.native().c_str(), L"wb");
-            Checks::check_exit(VCPKG_LINE_INFO, ec == 0);
+            Checks::check_exit(
+                VCPKG_LINE_INFO, ec == 0, "Error: Could not open file for writing: %s", file_path.u8string().c_str());
             auto count = fwrite(data.data(), sizeof(data[0]), data.size(), f);
             fclose(f);