nix flake info --json: Show TreeInfo

2 files changed, 5 insertions, 6 deletions

diff --git a/src/libfetchers/fetchers.cc b/src/libfetchers/fetchers.cc
index 5a782a4fe..765a6585f 100644
--- a/src/libfetchers/fetchers.cc
+++ b/src/libfetchers/fetchers.cc
@@ -81,10 +81,4 @@ std::shared_ptr<const Input> Input::applyOverrides(
     return shared_from_this();
 }
 
-StorePath TreeInfo::computeStorePath(Store & store) const
-{
-    assert(narHash);
-    return store.makeFixedOutputPath(true, narHash, "source");
-}
-
 }
diff --git a/src/libfetchers/tree-info.hh b/src/libfetchers/tree-info.hh
index 02e92759b..25cee445e 100644
--- a/src/libfetchers/tree-info.hh
+++ b/src/libfetchers/tree-info.hh
@@ -1,6 +1,9 @@
 #pragma once
 
 #include "path.hh"
+#include "hash.hh"
+
+#include <nlohmann/json_fwd.hpp>
 
 namespace nix { class Store; }
 
@@ -21,6 +24,8 @@ struct TreeInfo
     }
 
     StorePath computeStorePath(Store & store) const;
+
+    nlohmann::json toJson() const;
 };
 
 }