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/*

# Updating

To update the list of packages from ELPA,

1. Run `./update-elpa-devel`.
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.elpaDevelPackages
3. Run `git commit -m "elpa-devel-packages $(date -Idate)" -- elpa-devel-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, stdenv, texinfo, writeText, gcc, pkgs, buildPackages }:

self: let

  markBroken = pkg: pkg.override {
    elpaBuild = args: self.elpaBuild (args // {
      meta = (args.meta or {}) // { broken = true; };
    });
  };

  elpaBuild = import ../../../../build-support/emacs/elpa.nix {
    inherit lib stdenv texinfo writeText gcc;
    inherit (self) emacs;
  };

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

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

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

    super = removeAttrs imported [ "dash" ];

    overrides = {
      eglot = super.eglot.overrideAttrs (old: {
        postInstall = (old.postInstall or "") + ''
          local info_file=eglot.info
          pushd $out/share/emacs/site-lisp/elpa/eglot-*
          # specify output info file to override the one defined in eglot.texi
          makeinfo --output=$info_file eglot.texi
          install-info $info_file dir
          popd
        '';
      });

      org = super.org.overrideAttrs (old: {
        dontUnpack = false;
        patches = old.patches or [ ] ++ lib.optionals (lib.versionOlder old.version "9.7.5") [
          # security fix backported from 9.7.5
          (pkgs.fetchpatch {
            url = "https://git.savannah.gnu.org/cgit/emacs/org-mode.git/patch/?id=f4cc61636947b5c2f0afc67174dd369fe3277aa8";
            hash = "sha256-bGgsnTSn6SMu1J8P2BfJjrKx2845FCsUB2okcIrEjDg=";
            stripLen = 1;
          })
        ];
        postPatch = old.postPatch or "" + "\n" + ''
          pushd ..
          local content_directory=${old.ename}-${old.version}
          src=$PWD/$content_directory.tar
          tar --create --verbose --file=$src $content_directory
          popd
        '';
        dontBuild = true;
      });

      pq = super.pq.overrideAttrs (old: {
        buildInputs = (old.buildInputs or [ ]) ++ [ pkgs.postgresql ];
      });

      xeft = super.xeft.overrideAttrs (old: let
        libExt = pkgs.stdenv.hostPlatform.extensions.sharedLibrary;
      in {
        dontUnpack = false;

        buildInputs = (old.buildInputs or [ ]) ++ [ pkgs.xapian ];
        buildPhase = (old.buildPhase or "") + ''
          $CXX -shared -o xapian-lite${libExt} xapian-lite.cc $NIX_CFLAGS_COMPILE -lxapian
        '';
        postInstall = (old.postInstall or "") + "\n" + ''
          outd=$out/share/emacs/site-lisp/elpa/xeft-*
          install -m444 -t $outd xapian-lite${libExt}
          rm $outd/xapian-lite.cc $outd/emacs-module.h $outd/emacs-module-prelude.h $outd/demo.gif $outd/Makefile
        '';
      });

      # native compilation for tests/seq-tests.el never ends
      # delete tests/seq-tests.el to workaround this
      seq = super.seq.overrideAttrs (old: {
        dontUnpack = false;
        postUnpack = (old.postUnpack or "") + "\n" + ''
          local content_directory=$(echo seq-*)
          rm --verbose $content_directory/tests/seq-tests.el
          src=$PWD/$content_directory.tar
          tar --create --verbose --file=$src $content_directory
        '';
      });
    };

    elpaDevelPackages = super // overrides;

  in elpaDevelPackages // { inherit elpaBuild; });

in (generateElpa { }) // { __attrsFailEvaluation = true; }