vim: add config option to generate vimrc

pkgs/applications/editors/vim/default.nix

@@ -1,8 +1,10 @@
 { stdenv, fetchhg, ncurses, gettext, pkgconfig }:
 
 stdenv.mkDerivation rec {
-  name = "vim-7.4.131";
- 
+  name = "vim-${version}";
+
+  version = "7.4.131";
+
   src = fetchhg {
     url = "https://vim.googlecode.com/hg/";
     tag = "v7-4-131";
@@ -10,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   enableParallelBuilding = true;
- 
+
   buildInputs = [ ncurses pkgconfig ];
   nativeBuildInputs = [ gettext ];
 

pkgs/applications/editors/vim/wrapper.nix

@@ -0,0 +1,30 @@
+{ stdenv, makeWrapper, writeText, vim, vimrc }:
+
+let
+
+  vimrcfile = writeText "vimrc" (if vimrc == null then "" else vimrc);
+
+in stdenv.mkDerivation rec {
+  name = "vimwrapper-${vim.version}";
+
+  buildInputs = [ makeWrapper vim vimrcfile ];
+
+  phases = [ "installPhase" ];
+
+  installPhase = ''
+    mkdir -p $out
+    cp -r ${vim}/* $out/
+
+    chmod u+w $out/bin
+    chmod u+w $out/share/vim
+
+    ln -s ${vimrcfile} $out/share/vim/vimrc
+    wrapProgram $out/bin/vim --set VIM "$out/share/vim"
+  '';
+
+  meta = with stdenv.lib; {
+    description = "The most popular clone of the VI editor";
+    homepage    = http://www.vim.org;
+    platforms   = platforms.unix;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -9009,6 +9009,11 @@ let
       else stdenv;
   };
 
+  vimwrapper = callPackage ../applications/editors/vim/wrapper.nix {
+    inherit vim;
+    vimrc = config.vim.vimrc or null;
+  };
+
   vimHugeX = vim_configurable;
 
   vim_configurable = callPackage ../applications/editors/vim/configurable.nix {