1 files changed, 7 insertions, 0 deletions

diff --git a/overlays/sources.nix b/overlays/sources.nix
new file mode 100644
index 00000000..a6de8045
--- /dev/null
+++ b/overlays/sources.nix
@@ -0,0 +1,7 @@
+{ prev, sources, ... }:
+
+with prev.lib;
+
+{
+  sources = (prev.formats.json {}).generate "sources.json" (mapAttrs (_: { src, ... }: toString src) (filterAttrs (name: _: !(elem name ["override" "overrideDerivation"])) sources));
+}