feat(core): Add DoomNuke command to re-install all plugins.

lua/doom/core/commands.lua

@@ -8,3 +8,5 @@ vim.cmd([[command! DoomManual lua require("doom.core.functions").open_docs()]])
 -- Set a custom command to create a crash report can be called by using
 -- :DoomReport.
 vim.cmd([[command! DoomReport lua require("doom.core.functions").create_report(]])
+
+vim.cmd([[command! -nargs=* DoomNuke lua require("doom.core.functions").nuke(<f-args>)]])

lua/doom/core/functions.lua

@@ -178,8 +178,9 @@ end
 -- Set the indent and tab related numbers.
 -- Negative numbers mean tabstop -- Really though? Tabs?
 functions.set_indent = function()
-  local indent =
-    tonumber(vim.fn.input("Set indent (>0 uses spaces, <0 uses tabs, 0 uses vim defaults): "))
+  local indent = tonumber(
+    vim.fn.input("Set indent (>0 uses spaces, <0 uses tabs, 0 uses vim defaults): ")
+  )
   if not indent then
     indent = -8
   end
@@ -251,4 +252,30 @@ functions.sugar_folds = function()
   return string.format("%s ... (%d lines)", start_line, vim.v.foldend - vim.v.foldstart + 1)
 end
 
+--- Nukes the doom install config, causes a fresh install on next boot.
+---@param target string Options of what to nuke
+functions.nuke = function(target)
+  if target == nil or #target == 0 then
+    vim.notify(
+      "Warning, this command deletes packer caches and causes a re-install of doom-nvim on next launch.\n\n :DoomNuke `plugins`|`cache`|`all`. \n\t `cache` - Clear packer_compiled.lua\n\t `plugins` - Clear all installed plugins\n\t `all` - Delete all of the above."
+    )
+    return
+  end
+
+  local log = require("doom.utils.logging")
+  -- Delete packer compiled
+  if target == "all" or target == "cache" then
+    os.remove(system.doom_compile_path)
+    log.info("DoomNuke: Deleting packer compiled.")
+  end
+
+  if target == "all" or target == "plugins" then
+    -- Delete all plugins
+    local util = require("packer.util")
+    local plugin_dir = util.join_paths(vim.fn.stdpath("data"), "site", "pack")
+    fs.rm_dir(plugin_dir)
+    log.info("DoomNuke: Deleting packer plugins.  Doom-nvim will re-install on next launch.")
+  end
+end
+
 return functions

lua/doom/utils/fs.lua

@@ -1,5 +1,31 @@
+local luv = vim.loop
 local fs = {}
 
+if jit ~= nil then
+  fs.is_windows = jit.os == 'Windows'
+else
+  fs.is_windows = package.config:sub(1, 1) == '\\'
+end
+
+if fs.is_windows and vim.o.shellslash then
+  fs.use_shellslash = true
+else
+  fs.use_shallslash = false
+end
+
+fs.get_seperator = function()
+  if fs.is_windows and not fs.use_shellslash then
+    return '\\'
+  end
+  return '/'
+end
+
+--- Joins a number of strings into a valid path
+---@vararg string[] String segments to convert to file system path
+fs.join_paths = function(...)
+  return table.concat({ ... }, fs.get_seperator())
+end
+
 --- Check if the given file exists
 --- @param path string The path of the file
 --- @return boolean
@@ -41,4 +67,34 @@ fs.write_file = function(path, content, mode)
   end)
 end
 
+fs.rm_dir = function(path)
+  local handle = luv.fs_scandir(path)
+
+  if type(handle) == "string" then
+    return fs.notify.error(handle)
+  end
+
+  while true do
+    local name, t = luv.fs_scandir_next(handle)
+    if not name then
+      break
+    end
+
+    local new_cwd = fs.join_paths( path, name )
+    if t == "directory" then
+      local success = fs.rm_dir(new_cwd)
+      if not success then
+        return false
+      end
+    else
+      local success = luv.fs_unlink(new_cwd)
+      if not success then
+        return false
+      end
+    end
+  end
+
+  return luv.fs_rmdir(path)
+end
+
 return fs