Add some noexcepts

This is to assert that callback functions should never throw (since
the context in which they're called may not be able to handle the
exception).

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libstore/legacy-ssh-store.cc b/src/libstore/legacy-ssh-store.cc
index 7c9bc2b68ba8..d5fbdd25aa47 100644
--- a/src/libstore/legacy-ssh-store.cc
+++ b/src/libstore/legacy-ssh-store.cc
@@ -88,7 +88,7 @@ struct LegacySSHStore : public Store
     }
 
     void queryPathInfoUncached(const Path & path,
-        Callback<std::shared_ptr<ValidPathInfo>> callback) override
+        Callback<std::shared_ptr<ValidPathInfo>> callback) noexcept override
     {
         try {
             auto conn(connections->get());