From 9c475289abecc6f89699910ee78299e599d8f5e2 Mon Sep 17 00:00:00 2001
From: Ersin Akinci <me@ersinakinci.com>
Date: Fri, 25 Oct 2019 08:38:51 +0000
Subject: [PATCH 1/2] vimPlugins.LeaderF: init at 2019-10-15

---
 pkgs/misc/vim-plugins/generated.nix    | 11 +++++++++++
 pkgs/misc/vim-plugins/overrides.nix    | 24 ++++++++++++++++++++++++
 pkgs/misc/vim-plugins/vim-plugin-names |  1 +
 3 files changed, 36 insertions(+)

diff --git a/pkgs/misc/vim-plugins/generated.nix b/pkgs/misc/vim-plugins/generated.nix
index be1e6427beef2..d09d763c3a2f5 100644
--- a/pkgs/misc/vim-plugins/generated.nix
+++ b/pkgs/misc/vim-plugins/generated.nix
@@ -1486,6 +1486,17 @@ let
     };
   };
 
+  LeaderF = buildVimPluginFrom2Nix {
+    pname = "LeaderF";
+    version = "2019-10-15";
+    src = fetchFromGitHub {
+      owner = "Yggdroot";
+      repo = "LeaderF";
+      rev = "00af3cd7d2648a0e11f7220f6df1a1d790d2fbe1";
+      sha256 = "11kfhpfzkcsm0df5rkmhbf22d8y1kq26x3gr84zb7pn4pail7nca";
+    };
+  };
+
   lean-vim = buildVimPluginFrom2Nix {
     pname = "lean-vim";
     version = "2017-05-03";
diff --git a/pkgs/misc/vim-plugins/overrides.nix b/pkgs/misc/vim-plugins/overrides.nix
index 4d127c20e31a7..343a187e96a91 100644
--- a/pkgs/misc/vim-plugins/overrides.nix
+++ b/pkgs/misc/vim-plugins/overrides.nix
@@ -213,6 +213,30 @@ self: super: {
     meta.maintainers = with stdenv.lib.maintainers; [ minijackson ];
   };
 
+  LeaderF = super.LeaderF.overrideAttrs(old: {
+    buildInputs = [
+      python3
+      stdenv
+    ];
+    buildPhase = ''
+      patchShebangs .
+      export PY3=ON
+      ./install.sh
+    '';
+    # HACK: Installing this plugin triggers Vim/Neovim to reload along with
+    # this plugin, which triggers autoload/lfMru.vim to load, which in turn
+    # attempts to read the g:Lf_CacheDirectory setting. That setting is set to
+    # $HOME, which during the build points to the non-existent
+    # /homeless-shelter. lfMru.vim tries to create the directory but lacks
+    # sufficient permissions, so this code forces g:Lf_CacheDirectory to point
+    # to $TMPDIR only when $HOME == /homeless-shelter, i.e., only during builds.
+    preFixup = ''
+      substituteInPlace "$out"/share/vim-plugins/LeaderF/autoload/lfMru.vim \
+        --replace "let g:Lf_CacheDirectory = substitute(g:Lf_CacheDirectory, '[\/]$', ''', ''')" \
+        "if g:Lf_CacheDirectory == '/homeless-shelter' ''\n  let g:Lf_CacheDirectory = '$TMPDIR' ''\nendif''\n''\nlet g:Lf_CacheDirectory = substitute(g:Lf_CacheDirectory, '[\/]$', ''', ''')"
+    '';
+  });
+
   meson = buildVimPluginFrom2Nix {
     inherit (meson) pname version src;
     preInstall = "cd data/syntax-highlighting/vim";
diff --git a/pkgs/misc/vim-plugins/vim-plugin-names b/pkgs/misc/vim-plugins/vim-plugin-names
index 59d1726820aac..1f66721874be9 100644
--- a/pkgs/misc/vim-plugins/vim-plugin-names
+++ b/pkgs/misc/vim-plugins/vim-plugin-names
@@ -468,6 +468,7 @@ xolox/vim-easytags
 xolox/vim-misc
 xuhdev/vim-latex-live-preview
 Yggdroot/indentLine
+Yggdroot/LeaderF
 zah/nim.vim
 zchee/deoplete-clang
 zchee/deoplete-go

From 2a8da84aba8d9f7872629300a7e2a775c0b6e6b0 Mon Sep 17 00:00:00 2001
From: Ersin Akinci <me@ersinakinci.com>
Date: Fri, 25 Oct 2019 21:27:24 +0000
Subject: [PATCH 2/2] Remove unnecessary stdenv dependency

---
 pkgs/misc/vim-plugins/overrides.nix | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pkgs/misc/vim-plugins/overrides.nix b/pkgs/misc/vim-plugins/overrides.nix
index 343a187e96a91..6bc326f5b5bdd 100644
--- a/pkgs/misc/vim-plugins/overrides.nix
+++ b/pkgs/misc/vim-plugins/overrides.nix
@@ -216,7 +216,6 @@ self: super: {
   LeaderF = super.LeaderF.overrideAttrs(old: {
     buildInputs = [
       python3
-      stdenv
     ];
     buildPhase = ''
       patchShebangs .