/*

# Updating

To update the list of packages from MELPA,

1. Run ./update-melpa
2. Check for evaluation errors:
env NIXPKGS_ALLOW_BROKEN=1 nix-instantiate --show-trace ../../../../ -A emacsPackages.melpaStablePackages
env NIXPKGS_ALLOW_BROKEN=1 nix-instantiate --show-trace ../../../../ -A emacsPackages.melpaPackages
3. `git commit -m "melpa-packages: $(date -Idate)" recipes-archive-melpa.json`

*/

{ lib, external, pkgs }: variant: self: let

  dontConfigure = pkg: if pkg != null then pkg.override (args: {
    melpaBuild = drv: args.melpaBuild (drv // {
      dontConfigure = true;
    });
  }) else null;

  markBroken = pkg: if pkg != null then pkg.override (args: {
    melpaBuild = drv: args.melpaBuild (drv // {
      meta = (drv.meta or {}) // { broken = true; };
    });
  }) else null;

  externalSrc = pkg : epkg : if pkg != null then pkg.override (args : {
    melpaBuild = drv : args.melpaBuild (drv // {
      inherit (epkg) src version;

      propagatedUserEnvPkgs = [ epkg ];
    });
  }) else null;

  fix-rtags = pkg : if pkg != null then dontConfigure (externalSrc pkg external.rtags)
                    else null;

  generateMelpa = lib.makeOverridable ({
    archiveJson ? ./recipes-archive-melpa.json
  }: let

    inherit (import ./libgenerated.nix lib self) melpaDerivation;
    super = lib.listToAttrs (map (melpaDerivation variant) (lib.importJSON archiveJson));

    overrides = rec {
      shared = rec {
        # Expects bash to be at /bin/bash
        ac-rtags = fix-rtags super.ac-rtags;

        airline-themes = super.airline-themes.override {
          inherit (self.melpaPackages) powerline;
        };

        auto-complete-clang-async = super.auto-complete-clang-async.overrideAttrs(old: {
          buildInputs = old.buildInputs ++ [ external.llvmPackages.llvm ];
          CFLAGS = "-I${external.llvmPackages.clang}/include";
          LDFLAGS = "-L${external.llvmPackages.clang}/lib";
        });
        emacsClangCompleteAsync = auto-complete-clang-async;

        # part of a larger package
        caml = dontConfigure super.caml;

        # part of a larger package
        # upstream issue: missing package version
        cmake-mode = dontConfigure super.cmake-mode;

        company-rtags = fix-rtags super.company-rtags;

        easy-kill-extras = super.easy-kill-extras.override {
          inherit (self.melpaPackages) easy-kill;
        };

        emacsql-sqlite = super.emacsql-sqlite.overrideAttrs(old: {
          buildInputs = old.buildInputs ++ [ pkgs.sqlite ];

          postBuild = ''
            cd source/sqlite
            make
            cd -
          '';

          postInstall = ''
            install -m=755 -D source/sqlite/emacsql-sqlite \
              $out/share/emacs/site-lisp/elpa/emacsql-sqlite-${old.version}/sqlite/emacsql-sqlite
          '';

          stripDebugList = [ "share" ];
        });

        # https://github.com/syl20bnr/evil-escape/pull/86
        evil-escape = super.evil-escape.overrideAttrs (attrs: {
          postPatch = ''
            substituteInPlace evil-escape.el \
              --replace ' ;;; evil' ';;; evil'
          '';
          packageRequires = with self; [ evil ];
        });

        evil-magit = super.evil-magit.overrideAttrs (attrs: {
          # searches for Git at build time
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        ess-R-data-view = super.ess-R-data-view.override {
          inherit (self.melpaPackages) ess ctable popup;
        };

        flycheck-rtags = fix-rtags super.flycheck-rtags;

        gnuplot = super.gnuplot.overrideAttrs (old: {
          nativeBuildInputs =
            (old.nativeBuildInputs or []) ++ [ pkgs.autoreconfHook ];
        });

        pdf-tools = super.pdf-tools.overrideAttrs(old: {
          nativeBuildInputs = [ external.pkgconfig ];
          buildInputs = with external; old.buildInputs ++ [ autoconf automake libpng zlib poppler ];
          preBuild = "make server/epdfinfo";
          recipe = pkgs.writeText "recipe" ''
            (pdf-tools
            :repo "politza/pdf-tools" :fetcher github
            :files ("lisp/pdf-*.el" "server/epdfinfo"))
          '';
        });

        # Build same version as Haskell package
        hindent = (externalSrc super.hindent external.hindent).overrideAttrs (attrs: {
          packageRequires = [ self.haskell-mode ];
        });

        irony = super.irony.overrideAttrs (old: {
          cmakeFlags = old.cmakeFlags or [] ++ [ "-DCMAKE_INSTALL_BINDIR=bin" ];
          NIX_CFLAGS_COMPILE = "-UCLANG_RESOURCE_DIR";
          preConfigure = ''
            cd server
          '';
          preBuild = ''
            make
            install -D bin/irony-server $out/bin/irony-server
            cd ..
          '';
          checkPhase = ''
            cd source/server
            make check
            cd ../..
          '';
          preFixup = ''
            rm -rf $out/share/emacs/site-lisp/elpa/*/server
          '';
          dontUseCmakeBuildDir = true;
          doCheck = true;
          packageRequires = [ self.emacs ];
          nativeBuildInputs = [ external.cmake external.llvmPackages.llvm external.llvmPackages.clang ];
        });

        # tries to write a log file to $HOME
        insert-shebang = super.insert-shebang.overrideAttrs (attrs: {
          HOME = "/tmp";
        });

        ivy-rtags = fix-rtags super.ivy-rtags;

        magit = super.magit.overrideAttrs (attrs: {
          # searches for Git at build time
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        magit-annex = super.magit-annex.overrideAttrs (attrs: {
          # searches for Git at build time
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        magit-todos = super.magit-todos.overrideAttrs (attrs: {
          # searches for Git at build time
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        magit-filenotify = super.magit-filenotify.overrideAttrs (attrs: {
          # searches for Git at build time
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        magit-gitflow = super.magit-gitflow.overrideAttrs (attrs: {
          # searches for Git at build time
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        magithub = super.magithub.overrideAttrs (attrs: {
          # searches for Git at build time
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        magit-svn = super.magit-svn.overrideAttrs (attrs: {
          # searches for Git at build time
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        kubernetes = super.kubernetes.overrideAttrs (attrs: {
          # searches for Git at build time
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        # upstream issue: missing file header
        mhc = super.mhc.override {
          inherit (self.melpaPackages) calfw;
        };

        # missing .NET
        nemerle = markBroken super.nemerle;

        # part of a larger package
        notmuch = dontConfigure super.notmuch;

        rtags = dontConfigure (externalSrc super.rtags external.rtags);

        shm = super.shm.overrideAttrs (attrs: {
          propagatedUserEnvPkgs = [ external.structured-haskell-mode ];
        });

        # Telega has a server portion for it's network protocol
        telega = super.telega.overrideAttrs(old: {
          buildInputs = old.buildInputs ++ [ pkgs.tdlib ];

          postBuild = ''
            cd source/server
            make
            cd -
          '';

          postInstall = ''
            mkdir -p $out/bin
            install -m755 -Dt $out/bin ./source/server/telega-server
          '';
        });

        vdiff-magit = super.vdiff-magit.overrideAttrs (attrs: {
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        zmq = super.zmq.overrideAttrs(old: {
          stripDebugList = [ "share" ];
          preBuild = ''
            make
          '';
          nativeBuildInputs = [
            external.autoconf external.automake external.pkgconfig external.libtool
            (external.zeromq.override { enableDrafts = true; })
          ];
          postInstall = ''
            mv $out/share/emacs/site-lisp/elpa/zmq-*/src/.libs/emacs-zmq.so $out/share/emacs/site-lisp/elpa/zmq-*
            rm -r $out/share/emacs/site-lisp/elpa/zmq-*/src
            rm $out/share/emacs/site-lisp/elpa/zmq-*/Makefile
          '';
        });

        # Map legacy renames from emacs2nix since code generation was ported to emacs lisp
        _0blayout = super."0blayout";
        _0xc = super."0xc";
        _2048-game = super."2048-game";
        _4clojure = super."4clojure";
        at = super."@";
        desktop-plus = super."desktop+";
        ghub-plus = super."ghub+";
        git-gutter-plus = super."git-gutter+";
        git-gutter-fringe-plus = super."git-gutter-fringe+";
        ido-completing-read-plus = super."ido-completing-read+";
        image-plus = super."image+";
        image-dired-plus = super."image-dired+";
        markdown-mode-plus = super."markdown-mode+";
        package-plus = super."package+";
        rect-plus = super."rect+";
        term-plus = super."term+";
        term-plus-key-intercept = super."term+key-intercept";
        term-plus-mux = super."term+mux";
        xml-plus = super."xml+";
      };

      stable = shared // {

        # upstream issue: missing file header
        bufshow = markBroken super.bufshow;

        # upstream issue: missing file header
        connection = markBroken super.connection;

        # upstream issue: missing file header
        dictionary = markBroken super.dictionary;

        # missing git
        egg = markBroken super.egg;

        # upstream issue: missing file header
        elmine = markBroken super.elmine;

        # upstream issue: missing file header
        ido-complete-space-or-hyphen = markBroken super.ido-complete-space-or-hyphen;

        # upstream issue: missing file header
        initsplit = markBroken super.initsplit;

        # upstream issue: missing file header
        jsfmt = markBroken super.jsfmt;

        # upstream issue: missing file header
        maxframe = markBroken super.maxframe;

        # upstream issue: doesn't build
        eterm-256color = markBroken super.eterm-256color;

        helm-rtags = fix-rtags super.helm-rtags;

        # upstream issue: missing file header
        qiita = markBroken super.qiita;

        # upstream issue: missing file header
        speech-tagger = markBroken super.speech-tagger;

        # upstream issue: missing file header
        textmate = markBroken super.textmate;

        # upstream issue: missing file header
        link = markBroken super.link;

        # upstream issue: missing file header
        voca-builder = markBroken super.voca-builder;

        # upstream issue: missing file header
        window-numbering = markBroken super.window-numbering;

      };

      unstable = shared // {
        editorconfig = super.editorconfig.overrideAttrs (attrs: {
          propagatedUserEnvPkgs = [ external.editorconfig-core-c ];
        });

        egg = super.egg.overrideAttrs (attrs: {
          # searches for Git at build time
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        # missing dependencies
        evil-search-highlight-persist = super.evil-search-highlight-persist.overrideAttrs (attrs: {
          packageRequires = with self; [ evil highlight ];
        });

        forge = super.forge.overrideAttrs (attrs: {
          # searches for Git at build time
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        helm-rtags = fix-rtags super.helm-rtags;

        orgit =
          (super.orgit.overrideAttrs (attrs: {
            # searches for Git at build time
            nativeBuildInputs =
              (attrs.nativeBuildInputs or []) ++ [ external.git ];
           }));

        # tries to write to $HOME
        php-auto-yasnippets = super.php-auto-yasnippets.overrideAttrs (attrs: {
          HOME = "/tmp";
        });

        racer = super.racer.overrideAttrs (attrs: {
          postPatch = attrs.postPatch or "" + ''
            substituteInPlace racer.el \
              --replace /usr/local/src/rust/src ${external.rustPlatform.rustcSrc}
          '';
        });

        spaceline = super.spaceline.override {
          inherit (self.melpaPackages) powerline;
        };

        treemacs-magit = super.treemacs-magit.overrideAttrs (attrs: {
          # searches for Git at build time
          nativeBuildInputs =
            (attrs.nativeBuildInputs or []) ++ [ external.git ];
        });

        vterm = super.vterm.overrideAttrs(old: {
          buildInputs = old.buildInputs ++ [ self.emacs pkgs.cmake pkgs.libvterm-neovim ];
          cmakeFlags = [
            "-DEMACS_SOURCE=${self.emacs.src}"
            "-DUSE_SYSTEM_LIBVTERM=ON"
          ];
          # we need the proper out directory to exist, so we do this in the
          # postInstall instead of postBuild
          postInstall = ''
            pushd source/build >/dev/null
            make
            install -m444 -t $out/share/emacs/site-lisp/elpa/vterm-** ../*.so
            popd > /dev/null
            rm -rf $out/share/emacs/site-lisp/elpa/vterm-**/{CMake*,build,*.c,*.h}
          '';
        });
        # Legacy alias
        emacs-libvterm = unstable.vterm;

        w3m = super.w3m.override (args: {
          melpaBuild = drv: args.melpaBuild (drv // {
            prePatch =
              let w3m = "${lib.getBin external.w3m}/bin/w3m"; in ''
                substituteInPlace w3m.el \
                  --replace 'defcustom w3m-command nil' \
                            'defcustom w3m-command "${w3m}"'
              '';
          });
        });
      };
    };

  in super // overrides.${variant});

in generateMelpa { }