unable to check out master branch after commit 39bf31c4b2ad1ebb8c343c8d2121f50b300fd161
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## Expected behavior, english is required

After cloning the SpaceVim repository from GitHub, I have an up-to-date checkout of the repository, pointing at the master branch.

## The reproduce ways from Vim starting (Required!)

```sh
$ git clone https://github.com/SpaceVim/SpaceVim
Cloning into 'SpaceVim'...
remote: Enumerating objects: 39884, done.
remote: Counting objects: 100% (337/337), done.
remote: Compressing objects: 100% (290/290), done.
remote: Total 39884 (delta 152), reused 127 (delta 41), pack-reused 39547
Receiving objects: 100% (39884/39884), 20.81 MiB | 2.25 MiB/s, done.
Resolving deltas: 100% (27777/27777), done.
error: unable to create symlink doc/SpaceVim.cnx: File name too long
Updating files: 100% (4097/4097), done.
fatal: unable to checkout working tree
warning: Clone succeeded, but checkout failed.
You can inspect what was checked out with 'git status'
and retry with 'git restore --source=HEAD :/'
```

## Output of the `:SPDebugInfo!`

N/A

## Screenshots

Bisecting.

This is good:

```sh
$ git reset --hard 2bad103358f497fbfa14b200b9b0cc9659f6c368
Updating files: 100% (4077/4077), done.
HEAD is now at 2bad1033 Fix job api (#4463)
$ git status
On branch master
Your branch is behind 'origin/master' by 2 commits, and can be fast-forwarded.
  (use "git pull" to update your local branch)

Untracked files:
  (use "git add <file>..." to include in what will be committed)
	bundle/nerdtree-git-plugin/

nothing added to commit but untracked files present (use "git add" to track)
```

Now let's try the next commit:

```sh
git reset --hard 39bf31c4b2ad1ebb8c343c8d2121f50b300fd161
error: unable to create symlink doc/SpaceVim.cnx: File name too long
fatal: Could not reset index file to revision '39bf31c4b2ad1ebb8c343c8d2121f50b300fd161'.
```

version of git:
```sh
$ git --version
git version 2.33.0
```
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