add package.el-based emacs package builder

pkgs/applications/editors/emacs-24/packages/default.nix

@@ -0,0 +1,647 @@
+{ pkgs, stdenv, fetchurl, fetchFromGitHub, fetchgit
+, emacs, texinfo
+
+# non-emacs packages
+, external
+}:
+
+# package.el-based emacs packages
+
+## init.el
+# (require 'package)
+# (setq package-archives nil
+#       package-user-dir "~/.nix-profile/share/emacs/site-lisp/elpa")
+# (package-initialize)
+
+
+let
+  melpa = import ./melpa.nix { 
+    inherit stdenv fetchurl emacs texinfo;
+  };
+in
+
+rec {
+  ace-jump-mode = melpa.mkDerivation (self: {
+    pname   = "ace-jump-mode";
+    version = "20140616";
+    src = fetchFromGitHub {
+      owner  = "winterTTr";
+      repo   = self.pname;
+      rev    = "8351e2df4fbbeb2a4003f2fb39f46d33803f3dac";
+      sha256 = "17axrgd99glnl6ma4ls3k01ysdqmiqr581wnrbsn3s4gp53mm2x6";
+    };
+  });
+
+  ag = melpa.mkDerivation (self: {
+    pname   = "ag";
+    version = "0.44";
+    src = fetchFromGitHub {
+      owner  = "Wilfred";
+      repo   = "${self.pname}.el";
+      rev    = self.version;
+      sha256 = "19y5w9m2flp4as54q8yfngrkri3kd7fdha9pf2xjgx6ryflqx61k";
+    };
+    packageRequires = [ dash s ];
+  });
+  
+  async = melpa.mkDerivation (self: {
+    pname   = "async";
+    version = "1.2";
+    src = fetchFromGitHub {
+      owner  = "jwiegley";
+      repo   = "emacs-async";
+      rev    = "v${self.version}";
+      sha256 = "1j6mbvvbnm2m1gpsy9ipxiv76b684nn57yssbqdyiwyy499cma6q";
+    };
+  });
+
+  auctex = melpa.mkDerivation (self: {
+    pname   = "auctex";
+    version = "11.87.7";
+    src = fetchurl {
+      url    = "http://elpa.gnu.org/packages/${self.fname}.tar";
+      sha256 = "07bhw8zc3d1f2basjy80njmxpsp4f70kg3ynkch9ghlai3mm2b7n";
+    };
+    buildPhase = ''
+      cp $src ${self.fname}.tar
+    '';
+  });
+  
+  auto-complete = melpa.mkDerivation (self: {
+    pname = "auto-complete-1.3.1";
+    src = fetchurl {
+      url = "http://cx4a.org/pub/auto-complete/${self.pname}.tar.bz2";
+      sha256 = "124qxfp0pcphwlmrasbfrci48brxnrzc38h4wcf2sn20x1mvcrlj";
+    };
+    meta = {
+      description = "Auto-complete extension for Emacs";
+      homepage = http://cx4a.org/software/auto-complete/;
+      license = stdenv.lib.licenses.gpl3Plus;
+      platforms = stdenv.lib.platforms.all;
+    };
+  });
+
+  bind-key = melpa.mkDerivation (self: {
+    pname   = "bind-key";
+    version = "20141013";
+    src = fetchFromGitHub {
+      owner  = "jwiegley";
+      repo   = "use-package";
+      rev    = "d43af5e0769a92f77e01dea229e376d9006722ef";
+      sha256 = "1m4v5h52brg2g9rpbqfq9m3m8fv520vg5mjwppnbw6099d17msqd";
+    };
+    files = [ "bind-key.el" ];
+  });
+
+  change-inner = melpa.mkDerivation (self: {
+    pname   = "change-inner";
+    version = "20130208";
+    src = fetchFromGitHub {
+      owner  = "magnars";
+      repo   = "${self.pname}.el";
+      rev    = "6374b745ee1fd0302ad8596cdb7aca1bef33a730";
+      sha256 = "1fv8630bqbmfr56zai08f1q4dywksmghhm70084bz4vbs6rzdsbq";
+    };
+    packageRequires = [ expand-region ];
+  });
+
+  circe = melpa.mkDerivation (self: {
+    pname   = "circe";
+    version = "1.5";
+    src = fetchFromGitHub {
+      owner  = "jorgenschaefer";
+      repo   = "circe";
+      rev    = "v${self.version}";
+      sha256 = "08dsv1dzgb9jx076ia7xbpyjpaxn1w87h6rzlb349spaydq7ih24";
+    };
+    packageRequires = [ lcs lui ];
+    fileSpecs = [ "lisp/circe*.el" ];
+  });
+
+  company-mode = melpa.mkDerivation (self: {
+    pname   = "company-mode";
+    version = "0.8.6";
+    src = fetchFromGitHub {
+      owner  = "company-mode";
+      repo   = "company-mode";
+      rev    = self.version;
+      sha256 = "1xwxyqg5dan8m1qkdxyzm066ryf24h07karpdlm3s09izfdny33f";
+    };
+  });
+
+  dash = melpa.mkDerivation (self: {
+    pname   = "dash";
+    version = "2.9.0";
+    src = fetchFromGitHub {
+      owner  = "magnars";
+      repo   = "${self.pname}.el";
+      rev    = self.version;
+      sha256 = "1lg31s8y6ljsz6ps765ia5px39wim626xy8fbc4jpk8fym1jh7ay";
+    };
+  });
+
+  diminish = melpa.mkDerivation (self: {
+    pname   = "diminish";
+    version = "0.44";
+    src = fetchFromGitHub {
+      owner  = "emacsmirror";
+      repo   = self.pname;
+      rev    = self.version;
+      sha256 = "0hshw7z5f8pqxvgxw74kbj6nvprsgfvy45fl854xarnkvqcara09";
+    };
+  });
+
+  epl = melpa.mkDerivation (self: {
+    pname   = "epl";
+    version = "20140823";
+    src = fetchFromGitHub {
+      owner  = "cask";
+      repo   = self.pname;
+      rev    = "63c78c08e345455f3d4daa844fdc551a2c18024e";
+      sha256 = "04a2aq8dj2cmy77vw142wcmnjvqdbdsp6z0psrzz2qw0b0am03li";
+    };
+  });
+
+  evil-god-state = melpa.mkDerivation (self: {
+    pname   = "evil-god-state";
+    version = "20140830";
+    src = fetchFromGitHub {
+      owner  = "gridaphobe";
+      repo   = self.pname;
+      rev    = "234a9b6f500ece89c3dfb5c1df5baef6963e4566";
+      sha256 = "16v6dpw1hibrkf9hga88gv5axvp1pajd67brnh5h4wpdy9qvwgyy";
+    };
+    packageRequires = [ evil god-mode ];
+  });
+
+  evil-surround = melpa.mkDerivation (self: {
+    pname   = "evil-surround";
+    version = "20140616";
+    src = fetchFromGitHub {
+      owner  = "timcharper";
+      repo   = self.pname;
+      rev    = "71f380b6b6ed38f739c0a4740b3d6de0c52f915a";
+      sha256 = "0wrmlmgr4mwxlmmh8blplddri2lpk4g8k3l1vpb5c6a975420qvn";
+    };
+    packageRequires = [ evil ];
+  });
+
+  evil = melpa.mkDerivation (self: {
+    pname   = "evil";
+    version = "20141020";
+    src = fetchgit {
+      url = "git://gitorious.org/evil/evil";
+      rev = "999ec15587f85100311c031aa8efb5d50c35afe4";
+      sha256 = "0yiqpzsm5sr7xdkixdvfg312dk9vsdcmj69gizk744d334yn8rsz";
+    };
+    packageRequires = [ goto-chg undo-tree ];
+  });
+
+  exec-path-from-shell = melpa.mkDerivation (self: {
+    pname   = "exec-path-from-shell";
+    version = "20141022";
+    src = fetchFromGitHub {
+      owner  = "purcell";
+      repo   = self.pname;
+      rev    = "e4af0e9b44738e7474c89ed895200b42e6541515";
+      sha256 = "0lxikiqf1jik88lf889q4f4f8kdgg3npciz298x605nhbfd5snbd";
+    };
+  });
+
+  expand-region = melpa.mkDerivation (self: {
+    pname   = "expand-region";
+    version = "20141012";
+    src = fetchFromGitHub {
+      owner  = "magnars";
+      repo   = "${self.pname}.el";
+      rev    = "fa413e07c97997d950c92d6012f5442b5c3cee78";
+      sha256 = "04k0518wfy72wpzsswmncnhd372fxa0r8nbfhmbyfmns8n7sr045";
+    };
+  });
+
+  flycheck-pos-tip = melpa.mkDerivation (self: {
+    pname   = "flycheck-pos-tip";
+    version = "20140813";
+    src = fetchFromGitHub {
+      owner  = "flycheck";
+      repo   = self.pname;
+      rev    = "5b3a203bbdb03e4f48d1654efecd71f44376e199";
+      sha256 = "0b4x24aq0jh4j4bjv0fqyaz6hzh3gqf57k9763jj9rl32cc3dpnp";
+    };
+    packageRequires = [ flycheck popup ];
+  });
+
+  flycheck = melpa.mkDerivation (self: {
+    pname   = "flycheck";
+    version = "0.20";
+    src = fetchFromGitHub {
+      owner  = self.pname;
+      repo   = self.pname;
+      rev    = self.version;
+      sha256 = "0cq7y7ssm6phvx5pfv2yqq4j0yqmm0lhjav7v4a8ql7094cd790a";
+    };
+    packageRequires = [ dash pkg-info ];
+  });
+
+  ghc-mod = melpa.mkDerivation (self: {
+    pname = "ghc";
+    version = external.ghc-mod.version;
+    src = external.ghc-mod.src;
+    fileSpecs = [ "elisp/*.el" ];
+  });
+
+  git-commit-mode = melpa.mkDerivation (self: {
+    pname = "git-commit-mode";
+    version = "0.15.0";
+    src = fetchFromGitHub {
+      owner  = "magit";
+      repo   = "git-modes";
+      rev    = self.version;
+      sha256 = "1x03276yq63cddc89n8i47k1f6p26b7a5la4hz66fdf15gmr8496";
+    };
+    files = [ "git-commit-mode.el" ];
+  });
+
+  git-rebase-mode = melpa.mkDerivation (self: {
+    pname = "git-rebase-mode";
+    version = "0.15.0";
+    src = fetchFromGitHub {
+      owner  = "magit";
+      repo   = "git-modes";
+      rev    = self.version;
+      sha256 = "1x03276yq63cddc89n8i47k1f6p26b7a5la4hz66fdf15gmr8496";
+    };
+    files = [ "git-rebase-mode.el" ];
+  });
+
+  gitattributes-mode = melpa.mkDerivation (self: {
+    pname = "gitattributes-mode";
+    version = "0.15.0";
+    src = fetchFromGitHub {
+      owner  = "magit";
+      repo   = "git-modes";
+      rev    = self.version;
+      sha256 = "1x03276yq63cddc89n8i47k1f6p26b7a5la4hz66fdf15gmr8496";
+    };
+    files = [ "gitattributes-mode.el" ];
+  });
+
+  gitconfig-mode = melpa.mkDerivation (self: {
+    pname = "gitconfig-mode";
+    version = "0.15.0";
+    src = fetchFromGitHub {
+      owner  = "magit";
+      repo   = "git-modes";
+      rev    = self.version;
+      sha256 = "1x03276yq63cddc89n8i47k1f6p26b7a5la4hz66fdf15gmr8496";
+    };
+    files = [ "gitconfig-mode.el" ];
+  });
+
+  gitignore-mode = melpa.mkDerivation (self: {
+    pname = "gitignore-mode";
+    version = "0.15.0";
+    src = fetchFromGitHub {
+      owner  = "magit";
+      repo   = "git-modes";
+      rev    = self.version;
+      sha256 = "1x03276yq63cddc89n8i47k1f6p26b7a5la4hz66fdf15gmr8496";
+    };
+    files = [ "gitignore-mode.el" ];
+  });
+
+  gnus = melpa.mkDerivation (self: {
+    pname   = "gnus";
+    version = "20140501";
+    src = fetchgit {
+      url = "http://git.gnus.org/gnus.git";
+      rev = "4228cffcb7afb77cf39678e4a8988a57753502a5";
+      sha256 = "0qd0wpxkz47irxghmdpa524c9626164p8vgqs26wlpbdwyvm64a0";
+    };
+    fileSpecs = [ "lisp/*.el" "texi/*.texi" ];
+    preBuild = ''
+      (cd lisp && make gnus-load.el)
+    '';
+  });
+
+  god-mode = melpa.mkDerivation (self: {
+    pname   = "god-mode";
+    version = "20140811";
+    src = fetchFromGitHub {
+      owner  = "chrisdone";
+      repo   = self.pname;
+      rev    = "6b7ae259a58ca1d7776aa4eca9f1092e4c0033e6";
+      sha256 = "1amr98nq82g2d3f3f5wlqm9g38j64avygnsi9rrlbfqz4f71vq7x";
+    };
+  });
+
+  goto-chg = melpa.mkDerivation (self: {
+    pname   = "goto-chg";
+    version = "1.6";
+    src = fetchgit {
+      url = "git://gitorious.org/evil/evil";
+      rev = "999ec15587f85100311c031aa8efb5d50c35afe4";
+      sha256 = "0yiqpzsm5sr7xdkixdvfg312dk9vsdcmj69gizk744d334yn8rsz";
+    };
+    files = [ "lib/goto-chg.el" ];
+  });
+
+  haskell-mode = melpa.mkDerivation (self: {
+    pname   = "haskell-mode";
+    version = "20150101";
+    src = fetchFromGitHub {
+      owner  = "haskell";
+      repo   = self.pname;
+      rev    = "0db5efaaeb3b22e5a3fdafa600729e14c1716ee2";
+      sha256 = "0d63cgzj579cr8zbrnl0inyy35b26sxinqxr7bgrjsngpmhm52an";
+    };
+  });
+
+  helm-swoop = melpa.mkDerivation (self: {
+    pname   = "helm-swoop";
+    version = "20141224";
+    src = fetchFromGitHub {
+      owner  = "ShingoFukuyama";
+      repo   = self.pname;
+      rev    = "06a251f7d7fce2a5719e0862e5855972cd8ab1ae";
+      sha256 = "0nq33ldhbvfbm6jnsxqdf3vwaqrsr2gprkzll081gcyl2s1x0l2m";
+    };
+    packageRequires = [ helm ];
+  });
+
+  helm = melpa.mkDerivation (self: {
+    pname   = "helm";
+    version = "20150105";
+    src = fetchFromGitHub {
+      owner  = "emacs-helm";
+      repo   = self.pname;
+      rev    = "e5608ad86e7ca72446a4b1aa0faf604200ffe895";
+      sha256 = "0n2kr6pyzcsi8pq6faxz2y8kicz1gmvj98fzzlq3a107dqqp25ay";
+    };
+    packageRequires = [ async ];
+  });
+
+  idris-mode = melpa.mkDerivation (self: {
+    pname   = "idris-mode";
+    version = "0.9.15";
+    src = fetchFromGitHub {
+      owner  = "idris-hackers";
+      repo   = "idris-mode";
+      rev    = self.version;
+      sha256 = "00pkgk1zxan89i8alsa2dpa9ls7imqk5zb1kbjwzrlbr0gk4smdb";
+    };
+    packageRequires = [ flycheck ];
+  });
+
+  lcs = melpa.mkDerivation (self: {
+    pname   = "lcs";
+    version = "1.5";
+    src = fetchFromGitHub {
+      owner  = "jorgenschaefer";
+      repo   = "circe";
+      rev    = "v${self.version}";
+      sha256 = "08dsv1dzgb9jx076ia7xbpyjpaxn1w87h6rzlb349spaydq7ih24";
+    };
+    fileSpecs = [ "lisp/lcs*.el" ];
+  });
+
+  lui = melpa.mkDerivation (self: {
+    pname   = "lui";
+    version = "1.5";
+    src = fetchFromGitHub {
+      owner  = "jorgenschaefer";
+      repo   = "circe";
+      rev    = "v${self.version}";
+      sha256 = "08dsv1dzgb9jx076ia7xbpyjpaxn1w87h6rzlb349spaydq7ih24";
+    };
+    packageRequires = [ tracking ];
+    fileSpecs = [ "lisp/lui*.el" ];
+  });
+
+  magit = melpa.mkDerivation (self: {
+    pname   = "magit";
+    version = "20141025";
+    src = fetchFromGitHub {
+      owner  = "magit";
+      repo   = "magit";
+      rev    = "50c08522c8a3c67e0f3b821fe4df61e8bd456ff9";
+      sha256 = "0mzyx72pidzvla1x2qszn3c60n2j0n8i5k875c4difvd1n4p0vsk";
+    };
+    packageRequires = [ git-commit-mode git-rebase-mode ];
+  });
+
+  markdown-mode = melpa.mkDerivation (self: {
+    pname   = "markdown-mode";
+    version = "2.0";
+    src = fetchFromGitHub {
+      owner  = "defunkt";
+      repo   = self.pname;
+      rev    = "v${self.version}";
+      sha256 = "1l2w0j9xl8pipz61426s79jq2yns42vjvysc6yjc29kbsnhalj29";
+    };
+  });
+
+  org-plus-contrib = melpa.mkDerivation (self: {
+    pname   = "org-plus-contrib";
+    version = "20141020";
+    src = fetchurl {
+      url    = "http://orgmode.org/elpa/${self.fname}.tar";
+      sha256 = "02njxmdbmias2f5psvwqc115dyakcwm2g381gfdv8qz4sqav0r77";
+    };
+    buildPhase = ''
+      cp $src ${self.fname}.tar
+    '';
+  });
+
+  pkg-info = melpa.mkDerivation (self: {
+    pname   = "pkg-info";
+    version = "20140610";
+    src = fetchFromGitHub {
+      owner  = "lunaryorn";
+      repo   = "${self.pname}.el";
+      rev    = "475cdeb0b8d44f9854e506c429eeb445787014ec";
+      sha256 = "0x4nz54f2shgcw3gx66d265vxwdpdirn64gzii8dpxhsi7v86n0p";
+    };
+    packageRequires = [ epl ];
+  });
+
+  popup = melpa.mkDerivation (self: {
+    pname   = "popup";
+    version = "0.5.0";
+    src = fetchFromGitHub {
+      owner  = "auto-complete";
+      repo   = "${self.pname}-el";
+      rev    = "v${self.version}";
+      sha256 = "0836ayyz1syvd9ry97ya06l8mpr88c6xbgb4d98szj6iwbypcj7b";
+    };
+  });
+
+  projectile = melpa.mkDerivation (self: {
+    pname   = "projectile";
+    version = "20141020";
+    src = fetchFromGitHub {
+      owner  = "bbatsov";
+      repo   = self.pname;
+      rev    = "13580d83374e0c17c55b3a680b816dfae407657e";
+      sha256 = "10c28h2g53sg68lwamhak0shdhh26h5xaipipz3n4281sr1fwg58";
+    };
+    packageRequires = [ dash helm s pkg-info epl ];
+  });
+
+  rich-minority = melpa.mkDerivation (self: {
+    pname   = "rich-minority";
+    version = "0.1.1";
+    src = fetchFromGitHub {
+      owner  = "Bruce-Connor";
+      repo   = self.pname;
+      rev    = self.version;
+      sha256 = "0kvhy4mgs9llihwsb1a9n5a85xzjiyiyawxnz0axy2bvwcxnp20k";
+    };
+    packageRequires = [ dash ];
+  });
+
+  s = melpa.mkDerivation (self: {
+    pname   = "s";
+    version = "20140910";
+    src = fetchFromGitHub {
+      owner  = "magnars";
+      repo   = "${self.pname}.el";
+      rev    = "1f85b5112f3f68169ddaa2911fcfa030f979eb4d";
+      sha256 = "9d871ea84f98c51099528a03eddf47218cf70f1431d4c35c19c977d9e73d421f";
+    };
+  });
+
+  shorten = melpa.mkDerivation (self: {
+    pname   = "shorten";
+    version = "1.5";
+    src = fetchFromGitHub {
+      owner  = "jorgenschaefer";
+      repo   = "circe";
+      rev    = "v${self.version}";
+      sha256 = "08dsv1dzgb9jx076ia7xbpyjpaxn1w87h6rzlb349spaydq7ih24";
+    };
+    fileSpecs = [ "lisp/shorten*.el" ];
+  });
+
+  smart-mode-line = melpa.mkDerivation (self: {
+    pname   = "smart-mode-line";
+    version = "2.6";
+    src = fetchFromGitHub {
+      owner  = "Bruce-Connor";
+      repo   = self.pname;
+      rev    = self.version;
+      sha256 = "17nav2jbvbd13xzgp29x396mc617n2dh6whjk4wnyvsyv7r0s9f6";
+    };
+    packageRequires = [ dash rich-minority ];
+  });
+
+  smartparens = melpa.mkDerivation (self: {
+    pname   = "smartparens";
+    version = "1.6.2";
+    src = fetchFromGitHub {
+      owner  = "Fuco1";
+      repo   = self.pname;
+      rev    = self.version;
+      sha256 = "16pzd740vd1r3qfmxia2ibiarinm6xpja0mjv3nni5dis5s4r9gc";
+    };
+    packageRequires = [ dash ];
+  });
+
+  structured-haskell-mode = melpa.mkDerivation (self: {
+    pname = "shm";
+    version = external.structured-haskell-mode.version;
+    src = external.structured-haskell-mode.src;
+    packageRequires = [ haskell-mode ];
+    fileSpecs = [ "elisp/*.el" ];
+    meta = {
+      homepage = "https://github.com/chrisdone/structured-haskell-mode";
+      description = "Structured editing Emacs mode for Haskell";
+      license = self.stdenv.lib.licenses.bsd3;
+      platforms = self.ghc.meta.platforms;
+    };
+  });
+
+  switch-window = melpa.mkDerivation (self: {
+    pname   = "switch-window";
+    version = "20140919";
+    src = fetchFromGitHub {
+      owner  = "dimitri";
+      repo   = self.pname;
+      rev    = "3ffbe68e584f811e891f96afa1de15e0d9c1ebb5";
+      sha256 = "09221128a0f55a575ed9addb3a435cfe01ab6bdd0cca5d589ccd37de61ceccbd";
+    };
+  });
+
+  tracking = melpa.mkDerivation (self: {
+    pname   = "tracking";
+    version = "1.5";
+    src = fetchFromGitHub {
+      owner  = "jorgenschaefer";
+      repo   = "circe";
+      rev    = "v${self.version}";
+      sha256 = "08dsv1dzgb9jx076ia7xbpyjpaxn1w87h6rzlb349spaydq7ih24";
+    };
+    packageRequires = [ shorten ];
+    fileSpecs = [ "lisp/tracking*.el" ];
+  });
+
+  undo-tree = melpa.mkDerivation (self: {
+    pname   = "undo-tree";
+    version = "0.6.4";
+    src = fetchgit {
+      url    = "http://www.dr-qubit.org/git/${self.pname}.git";
+      rev    = "a3e81b682053a81e082139300ef0a913a7a610a2";
+      sha256 = "1qla7njkb7gx5aj87i8x6ni8jfk1k78ivwfiiws3gpbnyiydpx8y";
+    };
+  });
+
+  use-package = melpa.mkDerivation (self: {
+    pname   = "use-package";
+    version = "20141013";
+    src = fetchFromGitHub {
+      owner  = "jwiegley";
+      repo   = self.pname;
+      rev    = "d43af5e0769a92f77e01dea229e376d9006722ef";
+      sha256 = "1m4v5h52brg2g9rpbqfq9m3m8fv520vg5mjwppnbw6099d17msqd";
+    };
+    packageRequires = [ bind-key diminish ];
+    files = [ "use-package.el" ];
+  });
+
+  volatile-highlights = melpa.mkDerivation (self: {
+    pname   = "volatile-highlights";
+    version = "1.11";
+    src = fetchFromGitHub {
+      owner  = "k-talo";
+      repo   = "${self.pname}.el";
+      rev    = "fb2abc2d4d4051a9a6b7c8de2fe7564161f01f24";
+      sha256 = "1v0chqj5jir4685jd8ahw86g9zdmi6xd05wmzhyw20rbk924fcqf";
+    };
+  });
+
+  weechat = melpa.mkDerivation (self: {
+    pname   = "weechat.el";
+    version = "20141016";
+    src = fetchFromGitHub {
+      owner  = "the-kenny";
+      repo   = self.pname;
+      rev    = "4cb2ced1eda5167ce774e04657d2cd077b63c706";
+      sha256 = "003sihp7irm0qqba778dx0gf8xhkxd1xk7ig5kgkryvl2jyirk28";
+    };
+    postPatch = stdenv.lib.optionalString (!stdenv.isLinux) ''
+      rm weechat-sauron.el weechat-secrets.el
+    '';
+    packageRequires = [ s ];
+  });
+
+  wgrep = melpa.mkDerivation (self: {
+    pname   = "wgrep";
+    version = "20141017";
+    src = fetchFromGitHub {
+      owner  = "mhayashi1120";
+      repo   = "Emacs-wgrep";
+      rev    = "7ef26c51feaef8a5ec0929737130ab8ba326983c";
+      sha256 = "075z0glain0dp56d0cp468y5y88wn82ab26aapsrdzq8hmlshwn4";
+    };
+  });
+}

pkgs/applications/editors/emacs-24/packages/melpa.nix

@@ -0,0 +1,99 @@
+# generic builder for Emacs packages
+
+{ stdenv, fetchurl, emacs, texinfo
+, extension ? (self : super : {})
+}:
+
+let
+  enableFeature         = stdenv.lib.enableFeature;
+  versionOlder          = stdenv.lib.versionOlder;
+  optional              = stdenv.lib.optional;
+  optionals             = stdenv.lib.optionals;
+  optionalString        = stdenv.lib.optionalString;
+  filter                = stdenv.lib.filter;
+
+in
+
+{
+  mkDerivation =
+    args : # arguments for the individual package, can modify the defaults
+    let # Stuff happening after the user preferences have been processed. We remove
+        # internal attributes and strip null elements from the dependency lists, all
+        # in the interest of keeping hashes stable.
+        postprocess =
+          x : x // {
+                buildInputs           = filter (y : ! (y == null)) x.buildInputs;
+                propagatedBuildInputs = filter (y : ! (y == null)) x.propagatedBuildInputs;
+                propagatedUserEnvPkgs = filter (y : ! (y == null)) x.propagatedUserEnvPkgs;
+                doCheck               = x.doCheck;
+              };
+
+        defaults =
+          self : { # self is the final version of the attribute set
+
+            # pname should be defined by the client to be the package basename
+            # version should be defined by the client to be the package version
+
+            # fname is the internal full name of the package
+            fname = "${self.pname}-${self.version}";
+
+            # name is the external full name of the package; usually we prefix
+            # all packages with emacs- to avoid name clashes for libraries;
+            # if that is not desired (for applications), name can be set to
+            # fname.
+            name = "emacs-${self.pname}-${self.version}";
+
+
+            buildInputs = [emacs texinfo] ++ self.packageRequires;
+
+            propagatedBuildInputs = self.packageRequires;
+
+            propagatedUserEnvPkgs = self.packageRequires;
+
+            packageRequires = [];
+
+            doCheck = false;
+
+            files = [];
+
+            setupHook = ./setup-hook.sh;
+
+            fileSpecs = [ "*.el" "*.el.in" "dir"
+                          "*.info" "*.texi" "*.texinfo"
+                          "doc/dir" "doc/*.info" "doc/*.texi" "doc/*.texinfo"
+                        ];
+
+            targets = stdenv.lib.concatStringsSep " " 
+                        (if self.files == []
+                         then self.fileSpecs
+                         else self.files);
+
+            buildPhase = ''
+              eval "$preBuild"
+
+              emacs --batch -Q -l ${./package-build.el} -l ${./melpa2nix.el} \
+                -f melpa2nix-build-package \
+                ${self.pname} ${self.version} ${self.targets}
+
+              eval "$postBuild"
+            '';
+
+            installPhase = ''
+              eval "$preInstall"
+
+              emacs --batch -Q -l ${./package-build.el} -l ${./melpa2nix.el} \
+                -f melpa2nix-install-package \
+                ${self.fname}.* $out/share/emacs/site-lisp/elpa
+
+              eval "$postInstall"
+            '';
+
+            # We inherit stdenv and emacs so that they can be used
+            # in melpa derivations.
+            inherit stdenv emacs texinfo;
+          };
+    in
+    stdenv.mkDerivation (postprocess (let super = defaults self // args self;
+                                          self  = super // extension self super;
+                                      in self));
+}

pkgs/applications/editors/emacs-24/packages/melpa2nix.el

@@ -0,0 +1,36 @@
+(require 'package)
+(package-initialize)
+
+(require 'package-build)
+
+(setq package-build-working-dir (expand-file-name ".")
+      package-build-archive-dir (expand-file-name "."))
+
+(defun melpa2nix-install-package ()
+  (if (not noninteractive)
+      (error "`melpa2nix-install-package' is to be used only with -batch"))
+  (pcase command-line-args-left
+    (`(,archive ,elpa)
+     (progn (setq package-user-dir elpa)
+            (package-install-file archive)))))
+
+(defun melpa2nix-build-package ()
+  (if (not noninteractive)
+      (error "`melpa2nix-build-package' is to be used only with -batch"))
+  (pcase command-line-args-left
+    (`(,package ,version . ,files)
+     (melpa2nix-package-build-archive package version files))))
+
+(defun melpa2nix-package-build-archive (name version files)
+  "Build a package archive for package NAME."
+  (pb/message "\n;;; %s\n" name)
+  (let* ((start-time (current-time))
+         (archive-entry (package-build-package name
+                                               version
+                                               files
+                                               package-build-working-dir
+                                               package-build-archive-dir)))
+    
+    (pb/message "Built in %.3fs, finished at %s"
+                (time-to-seconds (time-since start-time))
+                (current-time-string))))

pkgs/applications/editors/emacs-24/packages/setup-hook.sh

@@ -0,0 +1,7 @@
+addEmacsVars () {
+  if test -d $1/share/emacs/site-lisp; then
+      export EMACSLOADPATH="$1/share/emacs/site-lisp:$EMACSLOADPATH"
+  fi
+}
+
+envHooks+=(addEmacsVars)

pkgs/top-level/all-packages.nix

@@ -9908,6 +9908,13 @@ let
   });
   emacs24Macport = self.emacs24Macport_24_4;
 
+  emacsMelpa = import ../applications/editors/emacs-24/packages {
+    inherit stdenv pkgs fetchurl fetchgit fetchFromGitHub emacs texinfo;
+    external = {
+      inherit (haskellngPackages) ghc-mod structured-haskell-mode;
+    };
+  };
+
   emacsPackages = emacs: self: let callPackage = newScope self; in rec {
     inherit emacs;