From d48a2933d55a5aa2ca3c15e482a90bbffbb49b92 Mon Sep 17 00:00:00 2001
From: TJ DeVries <devries.timothyj@gmail.com>
Date: Wed, 2 Sep 2020 19:11:38 -0400
Subject: [PATCH] fix: clear last line

---
 lua/telescope/builtin.lua | 18 +++++++++++++++++-
 lua/telescope/finders.lua |  1 +
 lua/telescope/pickers.lua | 16 +++++++++++++++-
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/lua/telescope/builtin.lua b/lua/telescope/builtin.lua
index afc104c..d207b99 100644
--- a/lua/telescope/builtin.lua
+++ b/lua/telescope/builtin.lua
@@ -246,6 +246,8 @@ end
 
 
 builtin.fd = function(opts)
+  opts = opts or {}
+
   local fd_string = nil
   if 1 == vim.fn.executable("fd") then
     fd_string = "fd"
@@ -258,9 +260,23 @@ builtin.fd = function(opts)
     return
   end
 
+  -- TODO: CWD not 100% supported at this moment.
+  --        Previewers don't work. We'll have to try out something for that later
+  local cwd = opts.cwd
+  if cwd then
+    cwd = vim.fn.expand(cwd)
+  end
+
   pickers.new(opts, {
     prompt = 'Find Files',
-    finder = finders.new_oneshot_job {fd_string},
+    finder = finders.new {
+      fn_command = function()
+        return {
+          command = fd_string,
+          cwd = cwd,
+        }
+      end,
+    },
     previewer = previewers.cat,
     sorter = sorters.get_fuzzy_file(),
   }):find()
diff --git a/lua/telescope/finders.lua b/lua/telescope/finders.lua
index 56b823b..b1a3819 100644
--- a/lua/telescope/finders.lua
+++ b/lua/telescope/finders.lua
@@ -125,6 +125,7 @@ function Finder:_find(prompt, process_result, process_complete)
   self.job = Job:new {
     command = opts.command,
     args = opts.args,
+    cwd = opts.cwd,
 
     maximum_results = self.maximum_results,
 
diff --git a/lua/telescope/pickers.lua b/lua/telescope/pickers.lua
index 51b1162..db46e20 100644
--- a/lua/telescope/pickers.lua
+++ b/lua/telescope/pickers.lua
@@ -231,6 +231,10 @@ function Picker:find()
   local selection_strategy = self.selection_strategy or 'reset'
 
   local on_lines = function(_, _, _, first_line, last_line)
+    if not vim.api.nvim_buf_is_valid(prompt_bufnr) then
+      return
+    end
+
     local prompt = vim.api.nvim_buf_get_lines(prompt_bufnr, first_line, last_line, false)[1]
 
     self.manager = pickers.entry_manager(
@@ -306,7 +310,7 @@ function Picker:find()
         self:set_selection(self.max_results)
       end
 
-      local worst_line = self.max_results - self.manager.num_results()
+      local worst_line = self.max_results - self.manager.num_results() + 1
       if worst_line <= 0 then
         return
       end
@@ -448,12 +452,22 @@ function Picker:reset_selection()
 end
 
 function Picker:set_selection(row)
+  -- TODO: Loop around behavior?
+  -- TODO: Scrolling past max results
   if row > self.max_results then
     row = self.max_results
   elseif row < 1 then
     row = 1
   end
 
+  -- TODO: Move max results and row and entry management into an overridable funciton.
+  --        I have this same thing copied all over the place (and it's not good).
+  --        Particularly if we're going to do something like make it possible to sort
+  --        top to bottom, rather than bottom to top.
+  if row < (self.max_results - self.manager:num_results() + 1) then
+    return
+  end
+
   local entry = self.manager:get_entry(self.max_results - row + 1)
   local status = state.get_status(self.prompt_bufnr)
   local results_bufnr = status.results_bufnr