diff --git a/pkgs/misc/vim-plugins/default.nix b/pkgs/misc/vim-plugins/default.nix
index 4507b1125df..3287c4714be 100644
--- a/pkgs/misc/vim-plugins/default.nix
+++ b/pkgs/misc/vim-plugins/default.nix
@@ -334,7 +334,7 @@ self = generated // (with generated; {
 }) // lib.optionalAttrs (config.allowAliases or true) (with self; {
   # aliases
   airline             = vim-airline;
-  a-vim               = alternative; # backwards compat, added 2018-09-10
+  alternative         = a-vim; # backwards compat, added 2014-10-21
   bats                = bats-vim;
   calendar            = calendar-vim;
   coffee-script       = vim-coffee-script;
@@ -343,8 +343,9 @@ self = generated // (with generated; {
   solarized           = vim-colors-solarized;
   colors-solarized    = vim-colors-solarized;
   caw                 = caw-vim;
-  Colour_Sampler_Pack = colorsamplerpack;
-  command-t           = command_T; # backwards compat, added 2018-09-10
+  colorsamplerpack    = Colour_Sampler_Pack;
+  Colour_Sampler_Pack = Colour-Sampler-Pack;
+  command_T           = command-t; # backwards compat, added 2014-10-18
   commentary          = vim-commentary;
   committia           = committia-vim;
   concealedyank       = concealedyank-vim;
@@ -381,7 +382,7 @@ self = generated // (with generated; {
   latex-live-preview  = vim-latex-live-preview;
   maktaba             = vim-maktaba;
   multiple-cursors    = vim-multiple-cursors;
-  neco-ghc            = necoGhc; # backwards compat, added 2018-09-10
+  necoGhc             = neco-ghc; # backwards compat, added 2014-10-18
   neocomplete         = neocomplete-vim;
   neoinclude          = neoinclude-vim;
   neomru              = neomru-vim;
@@ -426,12 +427,12 @@ self = generated // (with generated; {
   vim-addon-vim2nix   = vim2nix;
   vimproc             = vimproc-vim;
   vimshell            = vimshell-vim;
-  vim-vinegar         = vinegar; # backwards compat, added 2018-09-10
-  vim-watchdogs       = watchdogs; # backwards compat, added 2018-09-10
+  vinegar             = vim-vinegar;
+  watchdogs           = vim-watchdogs;
   WebAPI              = webapi-vim;
   wombat256           = wombat256-vim; # backwards compat, added 2015-7-8
-  YankRing-vim        = yankring;
-  Yankring            = yankring;
+  yankring            = YankRing-vim;
+  Yankring            = YankRing-vim;
   YouCompleteMe       = youcompleteme;
   xterm-color-table   = xterm-color-table-vim;
   zeavim              = zeavim-vim;
diff --git a/pkgs/misc/vim-plugins/generated.nix b/pkgs/misc/vim-plugins/generated.nix
index 88a91824ea0..c488c7fe069 100644
--- a/pkgs/misc/vim-plugins/generated.nix
+++ b/pkgs/misc/vim-plugins/generated.nix
@@ -2,6 +2,16 @@
 { buildVimPluginFrom2Nix, fetchFromGitHub }:
 
 {
+  a-vim = buildVimPluginFrom2Nix {
+    name = "a-vim-2010-11-06";
+    src = fetchFromGitHub {
+      owner = "vim-scripts";
+      repo = "a.vim";
+      rev = "2cbe946206ec622d9d8cf2c99317f204c4d41885";
+      sha256 = "0h62v9z5bh9xmaq22pqdb3z79i84a5rknqm68mjpy7nq7s3q42fa";
+    };
+  };
+
   ack-vim = buildVimPluginFrom2Nix {
     name = "ack-vim-2018-02-27";
     src = fetchFromGitHub {
@@ -43,12 +53,12 @@
   };
 
   ale = buildVimPluginFrom2Nix {
-    name = "ale-2018-09-10";
+    name = "ale-2018-09-11";
     src = fetchFromGitHub {
       owner = "w0rp";
       repo = "ale";
-      rev = "99e9417ef901824200040c6a2d3e84f2e0ff4b8e";
-      sha256 = "1y7yp1wyghhgvmylkbdi3wbvqcw026mfaajhgna53xd3fl7z3bgd";
+      rev = "78af99c2566ef8fed443ce253e0de9323b9e5043";
+      sha256 = "0c0bcr5x73fzfmsx65pc4f9j7d9m2z6wq81nyqnn81g3ws96axih";
     };
   };
 
@@ -62,16 +72,6 @@
     };
   };
 
-  alternative = buildVimPluginFrom2Nix {
-    name = "alternative-2010-11-06";
-    src = fetchFromGitHub {
-      owner = "vim-scripts";
-      repo = "a.vim";
-      rev = "2cbe946206ec622d9d8cf2c99317f204c4d41885";
-      sha256 = "0h62v9z5bh9xmaq22pqdb3z79i84a5rknqm68mjpy7nq7s3q42fa";
-    };
-  };
-
   argtextobj-vim = buildVimPluginFrom2Nix {
     name = "argtextobj-vim-2010-10-18";
     src = fetchFromGitHub {
@@ -182,8 +182,8 @@
     };
   };
 
-  colorsamplerpack = buildVimPluginFrom2Nix {
-    name = "colorsamplerpack-2012-11-30";
+  Colour-Sampler-Pack = buildVimPluginFrom2Nix {
+    name = "Colour-Sampler-Pack-2012-11-30";
     src = fetchFromGitHub {
       owner = "vim-scripts";
       repo = "Colour-Sampler-Pack";
@@ -192,8 +192,8 @@
     };
   };
 
-  command_T = buildVimPluginFrom2Nix {
-    name = "command_T-2017-11-17";
+  command-t = buildVimPluginFrom2Nix {
+    name = "command-t-2017-11-17";
     src = fetchFromGitHub {
       owner = "wincent";
       repo = "command-t";
@@ -293,16 +293,6 @@
     };
   };
 
-  ctrlp-vim = buildVimPluginFrom2Nix {
-    name = "ctrlp-vim-2018-06-28";
-    src = fetchFromGitHub {
-      owner = "ctrlpvim";
-      repo = "ctrlp.vim";
-      rev = "43cc73b8e7d4ab45f17118573eb81fd45704b989";
-      sha256 = "16jn9n6vavwiwh6l2av2i3livan72saaz0d0v8vmznrrs2ngi1gk";
-    };
-  };
-
   ctrlp-z = buildVimPluginFrom2Nix {
     name = "ctrlp-z-2015-10-17";
     src = fetchFromGitHub {
@@ -313,6 +303,16 @@
     };
   };
 
+  ctrlp-vim = buildVimPluginFrom2Nix {
+    name = "ctrlp-vim-2018-06-28";
+    src = fetchFromGitHub {
+      owner = "ctrlpvim";
+      repo = "ctrlp.vim";
+      rev = "43cc73b8e7d4ab45f17118573eb81fd45704b989";
+      sha256 = "16jn9n6vavwiwh6l2av2i3livan72saaz0d0v8vmznrrs2ngi1gk";
+    };
+  };
+
   denite-extra = buildVimPluginFrom2Nix {
     name = "denite-extra-2018-08-13";
     src = fetchFromGitHub {
@@ -334,12 +334,12 @@
   };
 
   denite-nvim = buildVimPluginFrom2Nix {
-    name = "denite-nvim-2018-09-05";
+    name = "denite-nvim-2018-09-11";
     src = fetchFromGitHub {
       owner = "shougo";
       repo = "denite.nvim";
-      rev = "2771c7ae323c2a24341e0f6a83b81f1a1559df0c";
-      sha256 = "07gmrsn815i91wzw9d326kwlph9bqcli75dzg6c8gl0r5vib2v5b";
+      rev = "0fdbdfb154a84bd76deb51ad5159c52779bbe110";
+      sha256 = "0qc6b731g66rbpcss6dss9ak5npdg52pb7v11mc07f534fksqrpj";
     };
   };
 
@@ -396,16 +396,6 @@
     };
   };
 
-  deoplete-nvim = buildVimPluginFrom2Nix {
-    name = "deoplete-nvim-2018-09-02";
-    src = fetchFromGitHub {
-      owner = "shougo";
-      repo = "deoplete.nvim";
-      rev = "8c2117b966a7f05091cd49609f8ee3641f260997";
-      sha256 = "0pklmb89g3hqxilv0546c21yjav26frsxb5g24ma49pii8lmzgjg";
-    };
-  };
-
   deoplete-rust = buildVimPluginFrom2Nix {
     name = "deoplete-rust-2017-07-18";
     src = fetchFromGitHub {
@@ -426,6 +416,16 @@
     };
   };
 
+  deoplete-nvim = buildVimPluginFrom2Nix {
+    name = "deoplete-nvim-2018-09-02";
+    src = fetchFromGitHub {
+      owner = "shougo";
+      repo = "deoplete.nvim";
+      rev = "8c2117b966a7f05091cd49609f8ee3641f260997";
+      sha256 = "0pklmb89g3hqxilv0546c21yjav26frsxb5g24ma49pii8lmzgjg";
+    };
+  };
+
   dhall-vim = buildVimPluginFrom2Nix {
     name = "dhall-vim-2018-07-30";
     src = fetchFromGitHub {
@@ -529,12 +529,12 @@
   };
 
   fzf-vim = buildVimPluginFrom2Nix {
-    name = "fzf-vim-2018-09-07";
+    name = "fzf-vim-2018-09-12";
     src = fetchFromGitHub {
       owner = "junegunn";
       repo = "fzf.vim";
-      rev = "8fa84e0fdf97842d94caee8d50584836edf5b509";
-      sha256 = "0di5xmd3i9m034npr6zc1f793jcj1vsy95wdyhpf55b6hclm7bbd";
+      rev = "c3954d294a0f6c4fb5a46a1839cd42ec26767dea";
+      sha256 = "0pipa7vgx4vkaysyf195yphggxj5kki66yksfvdvw6yxiicap1ml";
     };
   };
 
@@ -778,6 +778,16 @@
     };
   };
 
+  neco-ghc = buildVimPluginFrom2Nix {
+    name = "neco-ghc-2018-05-13";
+    src = fetchFromGitHub {
+      owner = "eagletmt";
+      repo = "neco-ghc";
+      rev = "682869aca5dd0bde71a09ba952acb59c543adf7d";
+      sha256 = "1v7ibi4fp99s4lswz3v0gf4i0h5i5gpj05xpsf4cixwj2zgh206h";
+    };
+  };
+
   neco-look = buildVimPluginFrom2Nix {
     name = "neco-look-2018-01-21";
     src = fetchFromGitHub {
@@ -808,16 +818,6 @@
     };
   };
 
-  necoGhc = buildVimPluginFrom2Nix {
-    name = "necoGhc-2018-05-13";
-    src = fetchFromGitHub {
-      owner = "eagletmt";
-      repo = "neco-ghc";
-      rev = "682869aca5dd0bde71a09ba952acb59c543adf7d";
-      sha256 = "1v7ibi4fp99s4lswz3v0gf4i0h5i5gpj05xpsf4cixwj2zgh206h";
-    };
-  };
-
   neocomplete-vim = buildVimPluginFrom2Nix {
     name = "neocomplete-vim-2018-03-28";
     src = fetchFromGitHub {
@@ -849,12 +849,12 @@
   };
 
   neomake = buildVimPluginFrom2Nix {
-    name = "neomake-2018-09-09";
+    name = "neomake-2018-09-11";
     src = fetchFromGitHub {
       owner = "benekastah";
       repo = "neomake";
-      rev = "11c6797b258dfe1c0b4ee8536f2bb961003a3f76";
-      sha256 = "0lsrz6m29ghhz57m1ay2v26i0838czhmm6a06yfy39dy99sa02il";
+      rev = "f5d411eb9598b0e82187431a49598f3dce1f9484";
+      sha256 = "1v2ggn8bm0mp6bjyiqf9ria8jmqs4risqdwhcbj77l95ka3znx9z";
     };
   };
 
@@ -913,8 +913,8 @@
     src = fetchFromGitHub {
       owner = "scrooloose";
       repo = "nerdtree";
-      rev = "15d06b676dfcd92ac9a0bc375668d127f9822539";
-      sha256 = "1v1w4yg6mgmz0q00in0y46wcmcgh6gxx8szws5cmvwv43d5c18qs";
+      rev = "b3804dcd71471505048c8a75f301539fc2dce081";
+      sha256 = "0waa6hw9jqxy1jxcm0bx53n0cpindin9jdd5s6jh7310psqpwi1x";
     };
   };
 
@@ -1969,12 +1969,12 @@
   };
 
   vim-ghost = buildVimPluginFrom2Nix {
-    name = "vim-ghost-2018-08-23";
+    name = "vim-ghost-2018-09-12";
     src = fetchFromGitHub {
       owner = "raghur";
       repo = "vim-ghost";
-      rev = "666a76c0783270eeb1ac1e0027df6f801a067bfd";
-      sha256 = "1c5jyipcj4hi703dcdim1123p2yp4h67ci4f9kgaz9h65lmz4xn5";
+      rev = "4e06bc238d23e6eb245a766105c62344a132b3f4";
+      sha256 = "1n5m7xbv4i0bwdqm39n9j6brbjayk4cpq38sqqbvgh3lia7nkbpv";
     };
   };
 
@@ -2019,12 +2019,12 @@
   };
 
   vim-go = buildVimPluginFrom2Nix {
-    name = "vim-go-2018-09-10";
+    name = "vim-go-2018-09-11";
     src = fetchFromGitHub {
       owner = "fatih";
       repo = "vim-go";
-      rev = "5b9058e1232786c682be79b8a00510d3bd63eba9";
-      sha256 = "14jcjdq48cnpdvp6k2lanr1chvkgky7xnz8zbcqhw2ma27zy16jf";
+      rev = "925447051422b471490a85bcb196a27c4625b225";
+      sha256 = "0g41i22hr0iq1mpbv0cpzc9h6mwhncn3jv6ydhvbpvjpg8yd3wxg";
     };
   };
 
@@ -2720,12 +2720,12 @@
   };
 
   vim-snippets = buildVimPluginFrom2Nix {
-    name = "vim-snippets-2018-09-03";
+    name = "vim-snippets-2018-09-11";
     src = fetchFromGitHub {
       owner = "honza";
       repo = "vim-snippets";
-      rev = "1a08e283d48b4a1ada1fbcc7c363ee040aeec0c9";
-      sha256 = "0ska56i77dd2n2c428c9hsl2zskyag41xfsl5dg00dyjv4amvnin";
+      rev = "225647b65522b7421a22f138b9b0a10833d39551";
+      sha256 = "1ngdv1rsaa0w742k4bb942x0pd7pmjh7nghkiiv1hl8cryrwhix5";
     };
   };
 
@@ -2909,6 +2909,16 @@
     };
   };
 
+  vim-vinegar = buildVimPluginFrom2Nix {
+    name = "vim-vinegar-2018-08-06";
+    src = fetchFromGitHub {
+      owner = "tpope";
+      repo = "vim-vinegar";
+      rev = "c38ea2195a43747aedf0bb4b7eb5aa8870260296";
+      sha256 = "1bcpi4m7ng9jaipf8xjf74469lgk34bs5ajjpv9dnkcrsalm28nf";
+    };
+  };
+
   vim-visualstar = buildVimPluginFrom2Nix {
     name = "vim-visualstar-2015-08-27";
     src = fetchFromGitHub {
@@ -2929,6 +2939,16 @@
     };
   };
 
+  vim-watchdogs = buildVimPluginFrom2Nix {
+    name = "vim-watchdogs-2017-12-03";
+    src = fetchFromGitHub {
+      owner = "osyo-manga";
+      repo = "vim-watchdogs";
+      rev = "a6415c2d928af8c1aacdbce9b1ed8d315891eb03";
+      sha256 = "0n6aqsgn0q1qgpj4yznqwbsbbk2a077gnjlq86ii3jhkzh5fzcff";
+    };
+  };
+
   vim-wordy = buildVimPluginFrom2Nix {
     name = "vim-wordy-2018-03-10";
     src = fetchFromGitHub {
@@ -3039,16 +3059,6 @@
     };
   };
 
-  vinegar = buildVimPluginFrom2Nix {
-    name = "vinegar-2018-08-06";
-    src = fetchFromGitHub {
-      owner = "tpope";
-      repo = "vim-vinegar";
-      rev = "c38ea2195a43747aedf0bb4b7eb5aa8870260296";
-      sha256 = "1bcpi4m7ng9jaipf8xjf74469lgk34bs5ajjpv9dnkcrsalm28nf";
-    };
-  };
-
   vundle = buildVimPluginFrom2Nix {
     name = "vundle-2018-02-03";
     src = fetchFromGitHub {
@@ -3059,16 +3069,6 @@
     };
   };
 
-  watchdogs = buildVimPluginFrom2Nix {
-    name = "watchdogs-2017-12-03";
-    src = fetchFromGitHub {
-      owner = "osyo-manga";
-      repo = "vim-watchdogs";
-      rev = "a6415c2d928af8c1aacdbce9b1ed8d315891eb03";
-      sha256 = "0n6aqsgn0q1qgpj4yznqwbsbbk2a077gnjlq86ii3jhkzh5fzcff";
-    };
-  };
-
   webapi-vim = buildVimPluginFrom2Nix {
     name = "webapi-vim-2018-03-14";
     src = fetchFromGitHub {
@@ -3109,8 +3109,8 @@
     };
   };
 
-  yankring = buildVimPluginFrom2Nix {
-    name = "yankring-2015-07-29";
+  YankRing-vim = buildVimPluginFrom2Nix {
+    name = "YankRing-vim-2015-07-29";
     src = fetchFromGitHub {
       owner = "vim-scripts";
       repo = "YankRing.vim";
diff --git a/pkgs/misc/vim-plugins/update.py b/pkgs/misc/vim-plugins/update.py
index c19b439493c..8128c12bce6 100755
--- a/pkgs/misc/vim-plugins/update.py
+++ b/pkgs/misc/vim-plugins/update.py
@@ -20,8 +20,9 @@ import xml.etree.ElementTree as ET
 from datetime import datetime
 from multiprocessing.dummy import Pool
 from pathlib import Path
-from typing import Dict, List, Optional, Tuple, Union
+from typing import Dict, List, Optional, Tuple, Union, Any
 from urllib.parse import urljoin, urlparse
+from tempfile import NamedTemporaryFile
 
 ATOM_ENTRY = "{http://www.w3.org/2005/Atom}entry"
 ATOM_LINK = "{http://www.w3.org/2005/Atom}link"
@@ -110,7 +111,7 @@ class Plugin:
         return copy
 
 
-GET_PLUGINS = """(with import <nixpkgs> {};
+GET_PLUGINS = """(with import <localpkgs> {};
 let
   hasChecksum = value: lib.isAttrs value && lib.hasAttrByPath ["src" "outputHash"] value;
   getChecksum = name: value:
@@ -123,8 +124,24 @@ let
 in lib.filterAttrs (n: v: v != null) checksums)"""
 
 
+class CleanEnvironment(object):
+    def __enter__(self) -> None:
+        self.old_environ = os.environ.copy()
+        local_pkgs = str(ROOT.joinpath("../../.."))
+        os.environ["NIX_PATH"] = f"localpkgs={local_pkgs}"
+        self.empty_config = NamedTemporaryFile()
+        self.empty_config.write(b"{}")
+        self.empty_config.flush()
+        os.environ["NIXPKGS_CONFIG"] = self.empty_config.name
+
+    def __exit__(self, exc_type: Any, exc_value: Any, traceback: Any) -> None:
+        os.environ.update(self.old_environ)
+        self.empty_config.close()
+
+
 def get_current_plugins() -> List[Plugin]:
-    out = subprocess.check_output(["nix", "eval", "--json", GET_PLUGINS])
+    with CleanEnvironment():
+        out = subprocess.check_output(["nix", "eval", "--json", GET_PLUGINS])
     data = json.loads(out)
     plugins = []
     for name, attr in data.items():
@@ -139,6 +156,7 @@ def prefetch_plugin(user: str, repo_name: str, cache: "Cache") -> Plugin:
     has_submodules = repo.has_submodules()
     cached_plugin = cache[commit]
     if cached_plugin is not None:
+        cached_plugin.name = repo_name
         cached_plugin.date = date
         return cached_plugin