From dae39f0a7abfc41c122f4f2d54d6cf9e26cafe7a Mon Sep 17 00:00:00 2001
From: regnat <rg@regnat.ovh>
Date: Thu, 10 Sep 2020 11:03:36 +0200
Subject: [PATCH] Make `nix describe-stores` functional

Using the `*Config` class hierarchy
---
 src/nix/describe-stores.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/nix/describe-stores.cc b/src/nix/describe-stores.cc
index d84378316..f019ec9c2 100644
--- a/src/nix/describe-stores.cc
+++ b/src/nix/describe-stores.cc
@@ -20,7 +20,11 @@ struct CmdDescribeStores : Command, MixJSON
     {
 
         if (json) {
-            auto availableStores = *implementations;
+            auto res = nlohmann::json::array();
+            for (auto & implem : *Implementations::registered) {
+                auto storeConfig = implem.getConfig();
+                std::cout << storeConfig->toJSON().dump() << std::endl;
+            }
         } else {
             throw Error("Only json is available for describe-stores");
         }