neovim: add pack.register_user_commands function

neovim/.config/nvim/lua/pack.lua

@@ -44,4 +44,31 @@ function M.add(opts)
   vim.pack.add(items)
 end
 
+function M.register_user_commands()
+  vim.api.nvim_create_user_command("PackUpdate", function()
+    vim.pack.update()
+  end, {})
+
+  vim.api.nvim_create_user_command("PackClean", function()
+    local plugins = vim.pack.get()
+
+    local items = {}
+
+    for _, plug in ipairs(plugins) do
+      if not plug.active then
+        table.insert(items, plug.spec.name)
+      end
+    end
+
+    if #items == 0 then
+      return
+    end
+
+    vim.pack.del(items)
+
+    local msg = "Deleted " .. #items .. " plugins"
+    vim.notify(msg)
+  end, {})
+end
+
 return M