Meh I'll figure out submodules later

.config/nvim/pack/tree/start/nvim-web-devicons/scripts/align.lua

@@ -0,0 +1,35 @@
+-- Plugin echasnovski/mini.align must be available on &runtimepath
+--
+-- The current working directory must be set to the repo root
+--
+-- This file should be run from the shell with `make generate`
+
+require("mini.align").setup {}
+
+-- https://github.com/echasnovski/mini.align/blob/main/lua/mini/align.lua#L633C9-L640C8
+local squash_spaces = function(strings)
+  for i, s in ipairs(strings) do
+    strings[i] = s:gsub("()(%s+)", function(n, space)
+      return n == 1 and space or " "
+    end)
+  end
+end
+local steps = { pre_split = { MiniAlign.new_step("squash", squash_spaces) } }
+
+local function align_table()
+  local lines = vim.api.nvim_buf_get_lines(0, 1, -2, true)
+  table.sort(lines)
+  local aligned_lines = MiniAlign.align_strings(lines, { split_pattern = "%s+" }, steps)
+  vim.api.nvim_buf_set_lines(0, 1, -2, true, aligned_lines)
+end
+
+for _, theme in ipairs { "default", "light" } do
+  for _, file in ipairs(_G.ICON_FILES) do
+    local f = string.format("%s/%s", theme, file)
+    io.write(string.format("Aligning %s...", f))
+    vim.cmd(string.format("noswapfile drop lua/nvim-web-devicons/%s", f))
+    align_table()
+    io.write " OK\n"
+    vim.cmd "silent! w!"
+  end
+end

.config/nvim/pack/tree/start/nvim-web-devicons/scripts/filetypes.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+# Iterate over the elements of icons_by_file_extension and check if there are missed filetypes.
+# $VIMRUNTIME specifies neovim runtime path, defaults to "/usr/share/nvim/runtime" if unset.
+
+: "${VIMRUNTIME:=/usr/share/nvim/runtime}"
+
+exit_value=0
+
+while read -r key; do
+  # Search for the key in the filetype to icon table
+  line=$(grep -F "\"$key\"" "lua/nvim-web-devicons/filetypes.lua")
+  if [ -z "$line" ]; then
+    [ -f "${VIMRUNTIME}/syntax/$key.vim" ] &&
+      echo -e "\e[33mPlease add \"$key\" to Lua table in lua/nvim-web-devicons/filetypes.lua.\e[0m" &&
+      exit_value=1
+  fi
+done < <(
+  sed -nr 's/\s\s\["(.*)"\].*/\1/p' lua/nvim-web-devicons/default/icons_by_file_extension.lua
+)
+
+exit $exit_value

.config/nvim/pack/tree/start/nvim-web-devicons/scripts/generate.lua

@@ -0,0 +1,141 @@
+-- Plugin lifepillar/vim-colortemplate must be available on &runtimepath
+--
+-- The current working directory must be set to the repo root
+--
+-- This file should be run from the shell with `make generate`
+
+vim.opt.wrapscan = false -- don't wrap after reaching end of file
+
+local fn = vim.fn
+
+--- Exit vim
+--- @param msg string
+--- @param rc number
+local function error_exit(msg, rc)
+  print(msg .. "\n")
+  vim.cmd("cq " .. rc)
+end
+
+_G.ICON_FILES = {
+  "icons_by_desktop_environment.lua",
+  "icons_by_file_extension.lua",
+  "icons_by_filename.lua",
+  "icons_by_operating_system.lua",
+  "icons_by_window_manager.lua",
+}
+
+for _, file in ipairs(_G.ICON_FILES) do
+  local f = "lua/nvim-web-devicons/default/" .. file
+  if fn.filereadable(f) == 0 then
+    error_exit(f, 1)
+  end
+end
+
+if not jit then
+  error_exit("Neovim must be LuaJIT-enabled to source this script", 1)
+end
+
+if fn.filereadable "lua/nvim-web-devicons.lua" == 0 then
+  error_exit("lua/nvim-web-devicons.lua not found", 1)
+end
+
+local rc, err = pcall(vim.fn["colortemplate#colorspace#approx"], "#000000")
+if not rc then
+  error_exit(err .. "\nlifepillar/vim-colortemplate not present in &runtimepath '" .. vim.o.runtimepath .. "'", 1)
+end
+
+-- Needed in order to have the correct indentation on line insertion
+vim.o.autoindent = true
+
+--------------------------------------------------------------------------------
+-- Local functions
+--------------------------------------------------------------------------------
+
+local light78 = 255 * 7 / 8
+local light68 = 255 * 6 / 8
+local light58 = 255 * 5 / 8
+local light12 = 255 / 2
+local light13 = 255 / 3
+
+local function darken_color(rrggbb)
+  local r, g, b = rrggbb:match "%#(%x%x)(%x%x)(%x%x)"
+  r, g, b = tonumber("0x" .. r), tonumber("0x" .. g), tonumber("0x" .. b)
+  -- luminance formula: see https://stackoverflow.com/a/596243
+  local lum = 0.299 * r + 0.587 * g + 0.114 * b
+  if lum < light13 then -------------------- darkest tertile
+    return rrggbb
+  elseif lum < light12 then ---------------- second darkest quartile
+    r = bit.tohex(r / 4 * 3):sub(-2)
+    g = bit.tohex(g / 4 * 3):sub(-2)
+    b = bit.tohex(b / 4 * 3):sub(-2)
+  elseif lum < light58 then ---------------- lightest octiles: first
+    r = bit.tohex(r / 3 * 2):sub(-2)
+    g = bit.tohex(g / 3 * 2):sub(-2)
+    b = bit.tohex(b / 3 * 2):sub(-2)
+  elseif lum < light68 then ---------------- lightest octiles: second
+    r = bit.tohex(r / 2):sub(-2)
+    g = bit.tohex(g / 2):sub(-2)
+    b = bit.tohex(b / 2):sub(-2)
+  elseif lum < light78 then ---------------- lightest octiles: third
+    r = bit.tohex(r / 3):sub(-2)
+    g = bit.tohex(g / 3):sub(-2)
+    b = bit.tohex(b / 3):sub(-2)
+  else ------------------------------------- lightest octile
+    r = bit.tohex(r / 5):sub(-2)
+    g = bit.tohex(g / 5):sub(-2)
+    b = bit.tohex(b / 5):sub(-2)
+  end
+  return string.format("#%s%s%s", r, g, b):upper()
+end
+
+local function iterate_colors(proc)
+  -- move to first line
+  vim.cmd ":1"
+  local cursor = fn.search "\\scolor ="
+  -- fn.search will return 0 when no more matches are found with falsy `wrapscan`
+  while cursor ~= 0 do
+    local rrggbb = vim.api.nvim_get_current_line():match '"(#%x%x%x%x%x%x)"'
+    proc(rrggbb)
+    vim.cmd "normal! $"
+    cursor = fn.search "\\scolor ="
+  end
+end
+
+local function generate_cterm(rrggbb)
+  local cterm_color = fn["colortemplate#colorspace#approx"](rrggbb).index
+  vim.cmd(string.format('s/cterm_color = "[0-9]*"/cterm_color = %q', cterm_color))
+end
+
+local function generate_for_light_bg(rrggbb)
+  local darkened_rrggbb = darken_color(rrggbb)
+  vim.cmd(string.format("s/%q/%q/", rrggbb, darkened_rrggbb))
+  generate_cterm(darkened_rrggbb)
+end
+
+--------------------------------------------------------------------------------
+-- Update cterm_color for dark background
+--------------------------------------------------------------------------------
+for _, file in ipairs(_G.ICON_FILES) do
+  vim.cmd(string.format("noswapfile drop lua/nvim-web-devicons/default/%s", file))
+  io.write(string.format("Generating cterm colors for dark background: %s...", file))
+  iterate_colors(generate_cterm)
+  vim.cmd "silent! wall!"
+  io.write " OK\n"
+end
+
+--------------------------------------------------------------------------------
+-- Update color and cterm_color for light backgrounds
+--------------------------------------------------------------------------------
+for _, file in ipairs(_G.ICON_FILES) do
+  vim.cmd("noswapfile drop lua/nvim-web-devicons/light/" .. file)
+  io.write("Generating colors for light background: " .. file .. "...")
+  iterate_colors(generate_for_light_bg)
+  vim.cmd(
+    string.format(
+      "1s/.*/& -- this file is generated from lua\\/nvim-web-devicons\\/default\\/%s, please do not edit",
+      file
+    )
+  )
+  vim.cmd "silent! wall!"
+  io.write " OK\n"
+end

.config/nvim/pack/tree/start/nvim-web-devicons/scripts/sort_filetypes.lua

@@ -0,0 +1,11 @@
+-- The current working directory must be set to the repo root
+--
+-- This file should be run from the shell with `make generate`
+
+io.write "Sorting filetypes.lua..."
+vim.cmd "noswapfile drop lua/nvim-web-devicons/filetypes.lua"
+local lines = vim.api.nvim_buf_get_lines(0, 3, -2, true)
+table.sort(lines)
+vim.api.nvim_buf_set_lines(0, 3, -2, true, lines)
+io.write " OK\n"
+vim.cmd "silent! w!"