move emacs overlay into package definition

Instead of creating an overlay for emacs and installing the overlay
package, create a package definition and use home-manager
`programs.emacs` to install into system environment.

Signed-off-by: Kenny Ballou <kb@devnulllabs.io>

3 files changed, 324 insertions, 0 deletions

diff --git a/packages/emacs/builders/elisp.nix b/packages/emacs/builders/elisp.nix
new file mode 100644
index 00000000..90adea0f
--- /dev/null
+++ b/packages/emacs/builders/elisp.nix
@@ -0,0 +1,36 @@
+# https://github.com/jwiegley/nix-config/blob/ba43753/overlays/emacs/builder.nix
+{ stdenv
+, pkgs
+, emacs
+, name
+, src
+, buildInputs ? []
+, patches ? []
+, preBuild ? ""
+}:
+
+stdenv.mkDerivation {
+  inherit name src patches;
+  unpackCmd = ''
+    test -f "${src}" && mkdir el && cp -p ${src} el/${name}
+  '';
+  buildInputs = [ emacs ] ++ buildInputs;
+  buildPhase = ''
+    ${preBuild}
+    ARGS=$(find ${pkgs.lib.concatStrings
+      (builtins.map (arg: arg + "/share/emacs/site-lisp ") buildInputs)} \
+      -type d -exec echo -L {} \;)
+    mkdir $out
+    export HOME=$out
+    ${emacs}/bin/emacs -Q -nw -L . --batch -f batch-byte-compile *.el
+  '';
+  installPhase = ''
+    mkdir -p $out/share/emacs/site-lisp
+    install *.el* $out/share/emacs/site-lisp
+  '';
+  meta = {
+    description = "Emacs projects from the Internet that just compile `.el` files";
+    homepage = http://www.emacswiki.org;
+    platforms = pkgs.lib.platforms.all;
+  };
+}
diff --git a/packages/emacs/default.nix b/packages/emacs/default.nix
new file mode 100644
index 00000000..d10370a7
--- /dev/null
+++ b/packages/emacs/default.nix
@@ -0,0 +1,19 @@
+{ pkgs ? import <nixpkgs> { }, ... }:
+let
+  utils = import ../../nix/utils.nix { pkgs = pkgs; };
+  gtk3-emacs = (pkgs.emacs.override {
+    withGTK3 = true;
+    withGTK2 = false;
+  });
+  lucid-emacs = (pkgs.emacs.override {
+    # enable lucid
+    withGTK3 = false;
+    withGTK2 = false;
+  });
+  ePackages = pkgs.callPackage ./packages.nix { };
+  emacsWithPackages = emacs:
+    (pkgs.emacsPackagesFor emacs).emacsWithPackages
+      (ePackages.emacs-package-list pkgs.emacsPackages);
+
+in
+  emacsWithPackages gtk3-emacs
diff --git a/packages/emacs/packages.nix b/packages/emacs/packages.nix
new file mode 100644
index 00000000..513ad5f2
--- /dev/null
+++ b/packages/emacs/packages.nix
@@ -0,0 +1,269 @@
+# https://github.com/jwiegley/nix-config/blob/master/overlays/10-emacs.nix
+{ pkgs, ... }:
+let
+  inherit (pkgs) fetchurl fetchgit fetchFromGitHub stdenv;
+
+  withPatches = pkg: patches:
+    pkg.OverrideAttrs(attrs: { inherit patches; });
+  compileElispFiles = pkgs.callPackage ./builders/elisp.nix;
+  fetchFromEmacsWiki = pkgs.callPackage ({ fetchurl, name, sha256 }:
+    fetchurl {
+      inherit sha256;
+      url = "https://www.emacswiki.org/emacs/download/" + name;
+    });
+  compileEmacsWikiFile = { name, sha256, buildInputs ? [], patches ? [] }:
+    compileElispFiles {
+      inherit name buildInputs patches;
+      src = fetchFromEmacsWiki { inherit name sha256; };
+    };
+in rec {
+  ascii = compileEmacsWikiFile {
+    name = "ascii.el";
+    sha256 = "1ijpnk334fbah94vm7dkcd2w4zcb0l7yn4nr9rwgpr2l25llnr0f";
+  };
+  hexrgb = compileEmacsWikiFile {
+    name = "hexrgb.el";
+    sha256 = "18hb8brf7x92aidjfgczxangri6rkqq4x5d06lh41193f97rslm8";
+  };
+
+  palette = compileEmacsWikiFile {
+    name = "palette.el";
+    sha256 = "149y6bmn0njgq632m9zdnaaw7wrvxvfqndpqlgcizn6dwzixiih6";
+    buildInputs = [ hexrgb ];
+  };
+
+  awqat = compileElispFiles {
+    name = "awqat.el";
+    src = fetchFromGitHub {
+      owner = "waqtalsalah";
+      repo = "awqat";
+      rev = "09106d79f50a1b8fbb0cbc017da0714a7c4ce3b3";
+      sha256 = "1my82b2yzirzmphv25cyk0yldvg0fxaa43vrpxg7x6ldn7npvfvj";
+    };
+  };
+
+  emacs-package-list = (epkgs: (with epkgs.melpaPackages; [
+    all-the-icons
+    all-the-icons-dired
+    all-the-icons-gnus
+    all-the-icons-ibuffer
+    add-node-modules-path
+    adoc-mode
+    ag
+    alchemist
+    anaconda-mode
+    anti-zenburn-theme
+    anzu
+    auctex-latexmk
+    autodisass-java-bytecode
+    avy
+    bash-completion
+    bind-key
+    bnf-mode
+    browse-kill-ring
+    buffer-move
+    bundler
+    cider
+    cljsbuild-mode
+    clojure-mode
+    coffee-mode
+    company
+    counsel
+    counsel-projectile
+    counsel-tramp
+    coverlay
+    css-eldoc
+    csv
+    d-mode
+    dap-mode
+    define-word
+    diff-hl
+    diminish
+    direnv
+    disable-mouse
+    docker
+    docker-compose-mode
+    docker-tramp
+    dockerfile-mode
+    doom-themes
+    editorconfig
+    edts
+    ein
+    elein
+    elfeed
+    elfeed-org
+    elixir-mode
+    elm-mode
+    erlang
+    ess
+    exec-path-from-shell
+    expand-region
+    f
+    flycheck
+    flycheck-clojure
+    flycheck-color-mode-line
+    flycheck-credo
+    flycheck-elixir
+    flycheck-elm
+    flycheck-haskell
+    flycheck-ledger
+    flycheck-ocaml
+    flycheck-popup-tip
+    flycheck-pos-tip
+    flycheck-posframe
+    flycheck-rust
+    flycheck-vale
+    fold-dwim
+    forge
+    fullframe
+    geben
+    geben-helm-projectile
+    geiser
+    git-auto-commit-mode
+    git-commit
+    git-timemachine
+    gitconfig-mode
+    gitignore-mode
+    go-autocomplete
+    go-eldoc
+    go-mode
+    go-stacktracer
+    #goto-gem
+    gnuplot
+    graphviz-dot-mode
+    guix
+    gxref
+    haml-mode
+    haskell-mode
+    helm
+    helm-bbdb
+    helm-bibtex
+    helm-descbinds
+    helm-flycheck
+    helm-flyspell
+    helm-gtags
+    helm-lsp
+    helm-mu
+    helm-pass
+    helm-projectile
+    helm-rg
+    helm-sql-connect
+    helm-tramp
+    helm-wordnet
+    helm-xref
+    highlight-escape-sequences
+    #hindent
+    htmlize
+    hydra
+    ibuffer-vc
+    import-js
+    inf-ruby
+    ivy
+    jedi
+    js-comint
+    js2-mode
+    json-mode
+    ledger-mode
+    less-css-mode
+    list-unicode-display
+    lsp-haskell
+    lsp-mode
+    lsp-java
+    lsp-ui
+    lua-mode
+    magit
+    markdown-mode
+    mbsync
+    mmm-mode
+    modus-themes
+    mpdel
+    multiple-cursors
+    mwim
+    nix-buffer
+    nix-mode
+    nix-update
+    ob-elixir
+    ob-go
+    ob-ipython
+    ob-mongo
+    olivetti
+    org-babel-eval-in-repl
+    org-cliplink
+    org-gcal
+    org-pomodoro
+    org-projectile
+    org-ref
+    org-sync
+    ox-gfm
+    page-break-lines
+    pass
+    pcmpl-args
+    pcmpl-git
+    pcmpl-pip
+    pcomplete-extension
+    pdf-tools
+    peep-dired
+    php-mode
+    pip-requirements
+    polymode
+    projectile
+    racer
+    rainbow-delimiters
+    realgud
+    realgud-jdb
+    regex-tool
+    robe
+    rspec-mode
+    ruby-compilation
+    ruby-hash-syntax
+    rust-mode
+    sass-mode
+    scss-mode
+    session
+    skewer-less
+    skewer-mode
+    smartparens
+    smex
+    smooth-scrolling
+    solarized-theme
+    spacemacs-theme
+    spaceline
+    swiper
+    swiper-helm
+    switch-window
+    tagedit
+    toml-mode
+    treemacs
+    treemacs-all-the-icons
+    tuareg
+    typescript-mode
+    unfill
+    unicode-fonts
+    unicode-whitespace
+    use-package
+    virtualenvwrapper
+    wgrep-ag
+    which-key
+    whitespace-cleanup-mode
+    whole-line-or-region
+    with-editor
+    xref-js2
+    yari
+    yasnippet
+    z3-mode
+    zeal-at-point
+    zenburn-theme
+  ]) ++ (with epkgs.elpaPackages; [
+    auctex
+    pinentry
+    python
+    rainbow-mode
+    spinner
+    undo-tree
+  ]) ++ (with epkgs.melpaStablePackages; [
+  ]) ++ [
+    awqat
+    ascii
+    hexrgb
+  ]);
+}