Meh I'll figure out submodules later

.config/nvim/pack/tree/start/neo-tree.nvim/lua/neo-tree/log.lua

@@ -0,0 +1,188 @@
+-- log.lua
+--
+-- Inspired by rxi/log.lua
+-- Modified by tjdevries and can be found at github.com/tjdevries/vlog.nvim
+--
+-- This library is free software; you can redistribute it and/or modify it
+-- under the terms of the MIT license. See LICENSE for details.
+
+-- User configuration section
+local default_config = {
+  -- Name of the plugin. Prepended to log messages
+  plugin = "neo-tree.nvim",
+
+  -- Should print the output to neovim while running
+  use_console = true,
+
+  -- Should highlighting be used in console (using echohl)
+  highlights = true,
+
+  -- Should write to a file
+  use_file = false,
+
+  -- Any messages above this level will be logged.
+  level = "info",
+
+  -- Level configuration
+  modes = {
+    { name = "trace", hl = "None", level = vim.log.levels.TRACE },
+    { name = "debug", hl = "None", level = vim.log.levels.DEBUG },
+    { name = "info", hl = "None", level = vim.log.levels.INFO },
+    { name = "warn", hl = "WarningMsg", level = vim.log.levels.WARN },
+    { name = "error", hl = "ErrorMsg", level = vim.log.levels.ERROR },
+    { name = "fatal", hl = "ErrorMsg", level = vim.log.levels.ERROR },
+  },
+
+  -- Can limit the number of decimals displayed for floats
+  float_precision = 0.01,
+}
+
+-- {{{ NO NEED TO CHANGE
+local log = {}
+
+local unpack = unpack
+
+local notify = function(message, level_config)
+  if type(vim.notify) == "table" then
+    -- probably using nvim-notify
+    vim.notify(message, level_config.level, { title = "Neo-tree" })
+  else
+    local nameupper = level_config.name:upper()
+    local console_string = string.format("[Neo-tree %s] %s", nameupper, message)
+    vim.notify(console_string, level_config.level)
+  end
+end
+
+log.new = function(config, standalone)
+  config = vim.tbl_deep_extend("force", default_config, config)
+
+  local outfile =
+    string.format("%s/%s.log", vim.api.nvim_call_function("stdpath", { "data" }), config.plugin)
+
+  local obj
+  if standalone then
+    obj = log
+  else
+    obj = {}
+  end
+  obj.outfile = outfile
+
+  obj.use_file = function(file, quiet)
+    if file == false then
+      if not quiet then
+        obj.info("[neo-tree] Logging to file disabled")
+      end
+      config.use_file = false
+    else
+      if type(file) == "string" then
+        obj.outfile = file
+      else
+        obj.outfile = outfile
+      end
+      config.use_file = true
+      if not quiet then
+        obj.info("[neo-tree] Logging to file: " .. obj.outfile)
+      end
+    end
+  end
+
+  local levels = {}
+  for i, v in ipairs(config.modes) do
+    levels[v.name] = i
+  end
+
+  obj.set_level = function(level)
+    if levels[level] then
+      if config.level ~= level then
+        config.level = level
+      end
+    else
+      notify("Invalid log level: " .. level, config.modes[5])
+    end
+  end
+
+  local round = function(x, increment)
+    increment = increment or 1
+    x = x / increment
+    return (x > 0 and math.floor(x + 0.5) or math.ceil(x - 0.5)) * increment
+  end
+
+  local make_string = function(...)
+    local t = {}
+    for i = 1, select("#", ...) do
+      local x = select(i, ...)
+
+      if type(x) == "number" and config.float_precision then
+        x = tostring(round(x, config.float_precision))
+      elseif type(x) == "table" then
+        x = vim.inspect(x)
+        if #x > 300 then
+          x = x:sub(1, 300) .. "..."
+        end
+      else
+        x = tostring(x)
+      end
+
+      t[#t + 1] = x
+    end
+    return table.concat(t, " ")
+  end
+
+  local log_at_level = function(level, level_config, message_maker, ...)
+    -- Return early if we're below the config.level
+    if level < levels[config.level] then
+      return
+    end
+    -- Ignore this if vim is exiting
+    if vim.v.dying > 0 or vim.v.exiting ~= vim.NIL then
+      return
+    end
+    local nameupper = level_config.name:upper()
+
+    local msg = message_maker(...)
+    local info = debug.getinfo(2, "Sl")
+    local lineinfo = info.short_src .. ":" .. info.currentline
+
+    -- Output to log file
+    if config.use_file then
+      local str = string.format("[%-6s%s] %s: %s\n", nameupper, os.date(), lineinfo, msg)
+      local fp = io.open(obj.outfile, "a")
+      if fp then
+        fp:write(str)
+        fp:close()
+      else
+        print("[neo-tree] Could not open log file: " .. obj.outfile)
+      end
+    end
+
+    -- Output to console
+    if config.use_console and level > 2 then
+      vim.schedule(function()
+        notify(msg, level_config)
+      end)
+    end
+  end
+
+  for i, x in ipairs(config.modes) do
+    obj[x.name] = function(...)
+      return log_at_level(i, x, make_string, ...)
+    end
+
+    obj[("fmt_%s"):format(x.name)] = function()
+      return log_at_level(i, x, function(...)
+        local passed = { ... }
+        local fmt = table.remove(passed, 1)
+        local inspected = {}
+        for _, v in ipairs(passed) do
+          table.insert(inspected, vim.inspect(v))
+        end
+        return string.format(fmt, unpack(inspected))
+      end)
+    end
+  end
+end
+
+log.new(default_config, true)
+-- }}}
+
+return log