feat: Add status, better debug, and some associated refactors

* [WIP]: Mon 28 Sep 2020 01:08:24 PM EDT

* add much much better tracking. so much less hax

* status updates, oneshot job updates, etc.

* remove temp function

* add status function

* asdfasdfasdf

lua/tests/manual/auto_picker.lua

@@ -0,0 +1,80 @@
+RELOAD('telescope')
+
+local actions = require('telescope.actions')
+local finders = require('telescope.finders')
+local make_entry = require('telescope.make_entry')
+local previewers = require('telescope.previewers')
+local pickers = require('telescope.pickers')
+local sorters = require('telescope.sorters')
+local utils = require('telescope.utils')
+
+local find_files = function(opts)
+  opts = opts or {}
+
+  local find_command = opts.find_command
+
+  if not find_command then
+    if 1 == vim.fn.executable("fd") then
+      find_command = { 'fd', '--type', 'f' }
+    elseif 1 == vim.fn.executable("fdfind") then
+      find_command = { 'fdfind', '--type', 'f' }
+    elseif 1 == vim.fn.executable("rg") then
+      find_command = { 'rg', '--files' }
+    end
+  end
+
+  if opts.cwd then
+    opts.cwd = vim.fn.expand(opts.cwd)
+  end
+
+  opts.entry_maker = opts.entry_maker or make_entry.gen_from_file(opts)
+
+  local p = pickers.new(opts, {
+    prompt = 'Find Files',
+    finder = finders.new_oneshot_job(
+      find_command,
+      opts
+    ),
+    previewer = previewers.cat.new(opts),
+    sorter = sorters.get_fuzzy_file(),
+
+    track = true,
+  })
+
+  local count = 0
+  p:register_completion_callback(function(s)
+    print(count, vim.inspect(s.stats, {
+      process = function(item)
+        if type(item) == 'string' and item:sub(1, 1) == '_' then
+          return nil
+        end
+
+        return item
+      end,
+    }))
+
+    count = count + 1
+  end)
+
+  local feed = function(text)
+    vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes(text, true, false, true), 'n', true)
+  end
+
+  p:register_completion_callback(coroutine.wrap(function()
+    local input = "pickers.lua"
+    for i = 1, #input do
+      feed(input:sub(i, i))
+      coroutine.yield()
+    end
+
+    vim.wait(300, function() end)
+
+    vim.cmd [[:q]]
+    vim.cmd [[:Messages]]
+    vim.cmd [[stopinsert]]
+  end))
+
+  p:find()
+end
+
+find_files()

lua/tests/manual/large_search.lua

@@ -7,9 +7,6 @@ local previewers = require('telescope.previewers')
 local pickers = require('telescope.pickers')
 local sorters = require('telescope.sorters')
 
-PERF_DEBUG = 182
-vim.api.nvim_buf_set_lines(PERF_DEBUG, 0, -1, false, {})
-
 local cwd = vim.fn.expand("~/build/neovim")
 
 pickers.new {
@@ -28,7 +25,6 @@ pickers.new {
 }:find()
 
 
-COMPLETED = false
 -- vim.wait(3000, function()
 --   vim.cmd [[redraw!]]
 --   return COMPLETED

lua/tests/manual/slow_oneshot.lua

@@ -0,0 +1,71 @@
+RELOAD('telescope')
+
+local actions = require('telescope.actions')
+local finders = require('telescope.finders')
+local make_entry = require('telescope.make_entry')
+local previewers = require('telescope.previewers')
+local pickers = require('telescope.pickers')
+local sorters = require('telescope.sorters')
+local utils = require('telescope.utils')
+
+local slow_proc = function(opts)
+  opts = opts or {}
+
+  if opts.cwd then
+    opts.cwd = vim.fn.expand(opts.cwd)
+  end
+
+  opts.entry_maker = opts.entry_maker or make_entry.gen_from_file(opts)
+
+  local p = pickers.new(opts, {
+    prompt = 'Slow Proc',
+    finder = finders.new_oneshot_job(
+      {"./scratch/slow_proc.sh"},
+      opts
+    ),
+    previewer = previewers.cat.new(opts),
+    sorter = sorters.get_fuzzy_file(),
+
+    track = true,
+  })
+
+  local count = 0
+  p:register_completion_callback(function(s)
+    print(count, vim.inspect(s.stats, {
+      process = function(item)
+        if type(item) == 'string' and item:sub(1, 1) == '_' then
+          return nil
+        end
+
+        return item
+      end,
+    }))
+
+    count = count + 1
+  end)
+
+  local feed = function(text)
+    vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes(text, true, false, true), 'n', true)
+  end
+
+  if false then
+    p:register_completion_callback(coroutine.wrap(function()
+      local input = "pickers.lua"
+      for i = 1, #input do
+        feed(input:sub(i, i))
+        coroutine.yield()
+      end
+
+      vim.wait(300, function() end)
+
+      vim.cmd [[:q]]
+      vim.cmd [[:Messages]]
+      vim.cmd [[stopinsert]]
+    end))
+  end
+
+
+  p:find()
+end
+
+slow_proc()