Nix flakes broken

What version of Codex is running?

no one

Which model were you using?

none

What platform is your computer?

Linux 6.12.45 x86_64 unknown

What steps can reproduce the bug?

[davidak@gaming:~/code/agents4science-paper]$ nix flake show github:openai/codex
github:openai/codex/162e1235a8e2db9d99b59eb0f3ef0b9da7ffe2e7?narHash=sha256-DjyGlvEz3KTX6/sn4C1FJGde8xAheQAhZP0b562Aq5U%3D
├───apps
│   ├───aarch64-darwin
error:
       … while calling the 'import' builtin
         at /nix/store/26zndhhbwxpsjbrnn3p6j1nvpp88h5ry-source/flake.nix:28:21:
           27|         ];
           28|         codex-cli = import ./codex-cli {
             |                     ^
           29|           inherit pkgs monorepo-deps;

       error: opening file '/nix/store/26zndhhbwxpsjbrnn3p6j1nvpp88h5ry-source/codex-cli/default.nix': No such file or directory

[davidak@gaming:~/code/agents4science-paper]$ nix run github:openai/codex
error:
       … while evaluating the attribute 'defaultApp'
         at /nix/store/26zndhhbwxpsjbrnn3p6j1nvpp88h5ry-source/flake.nix:53:9:
           52|         defaultPackage = packages.codex-cli;
           53|         defaultApp = apps.codex-cli;
             |         ^
           54|         defaultDevShell = devShells.codex-cli;

       … while evaluating the attribute 'codex-cli'
         at /nix/store/26zndhhbwxpsjbrnn3p6j1nvpp88h5ry-source/flake.nix:48:11:
           47|         apps = {
           48|           codex-cli = codex-cli.app;
             |           ^
           49|           codex-rs = codex-rs.app;

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: opening file '/nix/store/26zndhhbwxpsjbrnn3p6j1nvpp88h5ry-source/codex-cli/default.nix': No such file or directory

[davidak@gaming:~/code/agents4science-paper]$ nix profile install github:openai/codex#codex-cli
error:
       … while calling the 'import' builtin
         at /nix/store/26zndhhbwxpsjbrnn3p6j1nvpp88h5ry-source/flake.nix:28:21:
           27|         ];
           28|         codex-cli = import ./codex-cli {
             |                     ^
           29|           inherit pkgs monorepo-deps;

       error: opening file '/nix/store/26zndhhbwxpsjbrnn3p6j1nvpp88h5ry-source/codex-cli/default.nix': No such file or directory

What is the expected behavior?

be able to install the package directly from this repo with nix

What do you see instead?

errors

Additional information

Workaround:

Use the package from numtide:

nix profile install github:numtide/nix-ai-tools#codex

@0xadeeb @gerred