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-rw-r--r--third_party/nixpkgs/default.nix9
1 files changed, 7 insertions, 2 deletions
diff --git a/third_party/nixpkgs/default.nix b/third_party/nixpkgs/default.nix
index 635082e27b..a260fdef4f 100644
--- a/third_party/nixpkgs/default.nix
+++ b/third_party/nixpkgs/default.nix
@@ -24,8 +24,13 @@ let
 
   # Overlay for packages that should come from the stable channel
   # instead (e.g. because something is broken in unstable).
-  stableOverlay = self: super: {
-    # Nothing picked from stable presently.
+  # Use `stableNixpkgs` from above.
+  stableOverlay = _unstableSelf: _unstableSuper: {
+
+    # alacritty on unstable fails because it can’t find the libGLX.
+    # This is too hard to debug right now, let’s hope somebody else solves it for us.
+    alacritty-stable = stableNixpkgs.alacritty;
+
   };
 
   # Overlay to expose the nixpkgs commits we are using to other Nix code.