From 1b23fe4afb8ed2c41604a1ed19cf3d49c34f46d1 Mon Sep 17 00:00:00 2001
From: John Ericson <John.Ericson@Obsidian.Systems>
Date: Thu, 18 Jun 2020 19:03:10 +0000
Subject: [PATCH] Fix bugs

 - Bad dynamic cast target ...classic

 - std::shared_ptr need explicit deref
---
 src/libstore/filetransfer.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libstore/filetransfer.cc b/src/libstore/filetransfer.cc
index 9ae682bbb67..8b66cbdadf1 100644
--- a/src/libstore/filetransfer.cc
+++ b/src/libstore/filetransfer.cc
@@ -420,7 +420,7 @@ struct curlFileTransfer : public FileTransfer
 
                 std::shared_ptr<std::string> response;
                 if (decompressionSink)
-                    if (auto teeSink = std::dynamic_pointer_cast<TeeSink<std::shared_ptr<CompressionSink>>>(decompressionSink))
+                    if (auto teeSink = std::dynamic_pointer_cast<TeeSink<ref<CompressionSink>>>(decompressionSink))
                         response = teeSink->data;
                 auto exc =
                     code == CURLE_ABORTED_BY_CALLBACK && _isInterrupted
@@ -837,7 +837,7 @@ FileTransferError::FileTransferError(FileTransfer::Error error, std::shared_ptr<
 {
     const auto hf = hintfmt(args...);
     if (response) {
-        err.hint = hintfmt("%1%\n\nresponse body:\n\n%2%", normaltxt(hf.str()), response);
+        err.hint = hintfmt("%1%\n\nresponse body:\n\n%2%", normaltxt(hf.str()), *response);
     } else {
         err.hint = hf;
     }