Nixpkgs version

• Unstable (25.11)

Describe the bug

I get the problem:
building nongnu-9ee5a76: error: Server does not allow request for unadvertised object 9ee5a7657a22e836618813c2e2b64a548d27d2ff
while trying to update my nixos install. Indeed I did nix show derivation show /nix/store/nl2amxp9wsdz8cy7z016hpbyql8qm274-nongnu-9ee5a76.drv and https://git.savannah.gnu.org/git/emacs/nongnu.git does really not list an object with that revision.

I localized the issue to the file pkgs/applications/editors/emacs/elisp-packages/recipes-archive-melpa.json by rgrepping in my local checkout of nixkpgs at the commit pinned in flake.lock.

I've localized the no-longer available revision to commit 368c073

Steps to reproduce

try to build any emacs packages

Expected behaviour

revision exists

Screenshots

No response

Relevant log output

Additional context

No response

System metadata

• system: "x86_64-linux"
• host os: Linux 6.14.0, NixOS, 25.05 (Warbler), 25.05pre-git
• multi-user?: yes
• sandbox: yes
• version: nix-env (Nix) 2.24.13
• channels(root): "nixos, nixpkgs"
• channels(earendil): ""
• nixpkgs: /nix/var/nix/profiles/per-user/root/channels/nixos

Notify maintainers

@jian-lin @NixOS/emacs

Maybe @Vonfry is also interested in fixing this?

Note for maintainers: Please tag this issue in your pull request description. (i.e. Resolves #ISSUE.)

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• I assert that this is a bug and not a support request.
• I assert that this is not a duplicate of an existing issue.
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