Merge branch 'elpa-packages'

pkgs/applications/editors/emacs-modes/elpa-packages.nix

@@ -0,0 +1,42 @@
+pkgs: with pkgs;
+
+let
+
+  inherit (stdenv.lib) makeScope mapAttrs;
+
+  json = builtins.readFile ./elpa-packages.json;
+  manifest = builtins.fromJSON json;
+
+  mkPackage = self: name: recipe:
+    let drv =
+          { elpaBuild, stdenv, fetchurl }:
+          let fetch = { inherit fetchurl; }."${recipe.fetch.tag}"
+                or (abort "emacs-${name}: unknown fetcher '${recipe.fetch.tag}'");
+              args = builtins.removeAttrs recipe.fetch [ "tag" ];
+              src = fetch args;
+          in elpaBuild {
+            pname = name;
+            inherit (recipe) version;
+            inherit src;
+            deps =
+              let lookupDep = d:
+                    self."${d}" or (abort "emacs-${name}: missing dependency ${d}");
+              in map lookupDep recipe.deps;
+            meta = {
+              homepage = "http://elpa.gnu.org/packages/${name}.html";
+              license = stdenv.lib.licenses.free;
+            };
+          };
+    in self.callPackage drv {};
+
+  packages = self:
+    let
+      elpaPackages = mapAttrs (mkPackage self) manifest;
+
+      elpaBuild = import ../../../build-support/emacs/melpa.nix {
+        inherit (pkgs) lib stdenv fetchurl texinfo;
+        inherit (self) emacs;
+      };
+    in elpaPackages // { inherit elpaBuild elpaPackages; };
+
+in makeScope pkgs.newScope packages

pkgs/build-support/emacs/generic.nix

@@ -29,6 +29,19 @@ in
 stdenv.mkDerivation ({
   name = "emacs-${pname}${optionalString (version != null) "-${version}"}";
 
+  unpackCmd = ''
+    case "$curSrc" in
+      *.el)
+        cp $curSrc $pname.el
+        chmod +w $pname.el
+        sourceRoot="."
+        ;;
+      *)
+        _defaultUnpack "$curSrc"
+        ;;
+    esac
+  '';
+
   buildInputs = [emacs texinfo] ++ packageRequires ++ buildInputs;
   propagatedBuildInputs = packageRequires;
   propagatedUserEnvPkgs = packageRequires;

pkgs/build-support/fetchsvn/default.nix

@@ -8,7 +8,7 @@ let
       snd = l: head (tail l);
       trd = l: head (tail (tail l));
       path_ = reverseList (splitString "/" url);
-      path = if head path_ == "" then tail path_ else path_;
+      path = [ (removeSuffix "/" (head path_)) ] ++ (tail path_);
     in
       # ../repo/trunk -> repo
       if fst path == "trunk" then snd path

pkgs/top-level/all-packages.nix

@@ -11613,7 +11613,7 @@ let
   emacsPackagesNgGen = emacs: callPackage ./emacs-packages.nix {
     overrides = (config.emacsPackageOverrides or (p: {})) pkgs;
 
-    inherit emacs;
+    inherit emacs elpaPackages;
 
     trivialBuild = callPackage ../build-support/emacs/trivial.nix {
       inherit emacs;
@@ -11632,6 +11632,10 @@ let
 
   emacs24PackagesNg = recurseIntoAttrs (emacsPackagesNgGen emacs24);
 
+  elpaPackages =
+    let imported = import ../applications/editors/emacs-modes/elpa-packages.nix pkgs;
+    in recurseIntoAttrs (imported.override (super: self: { inherit emacs; }));
+
   emacsWithPackages = callPackage ../build-support/emacs/wrapper.nix { };
   emacs24WithPackages = emacsWithPackages.override { emacs = emacs24; };
 

pkgs/top-level/emacs-packages.nix

@@ -35,7 +35,7 @@
 
 , lib, stdenv, fetchurl, fetchgit, fetchFromGitHub, fetchhg
 
-, emacs
+, emacs, elpaPackages
 , trivialBuild
 , melpaBuild
 
@@ -44,9 +44,7 @@
 
 with lib.licenses;
 
-let self = _self // overrides;
-    callPackage = lib.callPackageWith (self // removeAttrs args ["overrides" "external"]);
-    _self = with self; {
+let packagesFun = super: self: with self; {
 
   inherit emacs;
 
@@ -2025,4 +2023,6 @@ let self = _self // overrides;
     };
   };
 
-}; in self
+};
+
+in elpaPackages.override packagesFun