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-rw-r--r--third_party/nixpkgs/default.nix5
-rw-r--r--tvix/shell.nix1
2 files changed, 5 insertions, 1 deletions
diff --git a/third_party/nixpkgs/default.nix b/third_party/nixpkgs/default.nix
index ae379a90fa74..b79a963e5c9f 100644
--- a/third_party/nixpkgs/default.nix
+++ b/third_party/nixpkgs/default.nix
@@ -13,6 +13,9 @@
 , depotOverlays ? true
 , localSystem ? externalArgs.localSystem or builtins.currentSystem
 , crossSystem ? externalArgs.crossSystem or localSystem
+  # additional overlays to be applied.
+  # Useful when calling this file in a view exported from depot.
+, additionalOverlays ? [ ]
 , ...
 }:
 
@@ -69,5 +72,5 @@ import nixpkgsSrc (commonNixpkgsArgs // {
     depot.third_party.overlays.ecl-static
     depot.third_party.overlays.dhall
     (import depot.third_party.sources.rust-overlay)
-  ] else [ ]);
+  ] else [ ] ++ additionalOverlays);
 })
diff --git a/tvix/shell.nix b/tvix/shell.nix
index bba20496a744..75e64b88b2f9 100644
--- a/tvix/shell.nix
+++ b/tvix/shell.nix
@@ -8,6 +8,7 @@
   pkgs ? (import ./nixpkgs {
     depotOverlays = false;
     depot.third_party.sources = import ./sources { };
+    additionalOverlays = [ ];
   })
 , ...
 }: