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/*

# Updating

To update the list of packages from ELPA,

1. Run `./update-elpa`.
2. Check for evaluation errors:
     # "../../../../../" points to the default.nix from root of Nixpkgs tree
     env NIXPKGS_ALLOW_BROKEN=1 nix-instantiate ../../../../../ -A emacs.pkgs.elpaPackages
3. Run `git commit -m "elpa-packages $(date -Idate)" -- elpa-generated.nix`

## Update from overlay

Alternatively, run the following command:

./update-from-overlay

It will update both melpa and elpa packages using
https://github.com/nix-community/emacs-overlay. It's almost instantenous and
formats commits for you.

*/

{ lib, pkgs, buildPackages }:

self: let

  inherit (import ./lib-override-helper.nix pkgs)
    markBroken
    ;

  # Use custom elpa url fetcher with fallback/uncompress
  fetchurl = buildPackages.callPackage ./fetchelpa.nix { };

  generateElpa = lib.makeOverridable ({
    generated ? ./elpa-generated.nix
  }: let

    imported = import generated {
      callPackage = pkgs: args: self.callPackage pkgs (args // {
        inherit fetchurl;
      });
    };

    super = imported;

    commonOverrides = import ./elpa-common-overrides.nix pkgs lib buildPackages;

    overrides = self: super: {
      # upstream issue: Wrong type argument: arrayp, nil
      org-transclusion =
        if super.org-transclusion.version == "1.2.0"
        then markBroken super.org-transclusion
        else super.org-transclusion;
      rcirc-menu = markBroken super.rcirc-menu; # Missing file header


    };

    elpaPackages =
      let super' = super // (commonOverrides self super); in super' // (overrides self super');

  in elpaPackages);

in
generateElpa { }