fix(git): properly deal with failed clones. Fixes #571

lua/lazy/core/config.lua

@@ -188,6 +188,8 @@ function M.setup(opts)
   M.options.lockfile = Util.norm(M.options.lockfile)
   M.options.readme.root = Util.norm(M.options.readme.root)
 
+  vim.fn.mkdir(M.options.root, "p")
+
   if M.options.performance.reset_packpath then
     vim.go.packpath = vim.env.VIMRUNTIME
   end

lua/lazy/core/plugin.lua

@@ -308,14 +308,24 @@ function Spec:merge(old, new)
 end
 
 function M.update_state()
+  ---@type string[]
+  local cloning = {}
+
   ---@type table<string,FileType>
   local installed = {}
   Util.ls(Config.options.root, function(_, name, type)
     if type == "directory" and name ~= "readme" then
       installed[name] = type
+    elseif type == "file" and name:sub(-8) == ".cloning" then
+      name = name:sub(1, -9)
+      cloning[#cloning + 1] = name
     end
   end)
 
+  for _, failed in ipairs(cloning) do
+    installed[failed] = nil
+  end
+
   for _, plugin in pairs(Config.plugins) do
     plugin._ = plugin._ or {}
     if plugin.lazy == nil then