GitHub报错error: bad signature

Git报错 bad signature

将文件提交到仓库时，抛出以下错误：

报错

Roc@DESKTOP-AF552U2 MINGW64 /e/note/Git (master)
$ git add git连接GitHub以及推送至仓库.md
error: bad signature
fatal: index file corrupt

原因分析

由于index file在 git 里面一般指的是 .git/index 这个文件。这个文件保存的是暂存区的信息（索引信息）。可以通过 git ls-files --stage 来查看暂存区的内容。这个文件很重要！但是现在报 index file corrupt，说明这个文件已经损坏了。还好，我们有办法重新来生成这个文件：git read-tree 或者直接 git reset.

解决办法

1. 进入到工程目录下: cd /path/to/dir
2. 删除或重命名 .git/index 文件： rm -f .git/index 或 mv .git/index
3. 重建 .git/index : git read-tree 或者直接 git reset

Roc@DESKTOP-AF552U2 MINGW64 /e/note (master)
$ mv .git/index .git/index.bak
 
Roc@DESKTOP-AF552U2 MINGW64 /e/note (master)
$ git reset
Unstaged changes after reset:
M       Git/git的初次使用.md
M       Git/git的选项参数.md
 
Roc@DESKTOP-AF552U2 MINGW64 /e/note (master)
$ git status
On branch master
Your branch is ahead of 'origin/master' by 1 commit.
  (use "git push" to publish your local commits)
 
Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git checkout -- <file>..." to discard changes in working directory)
 
        modified:   "Git/git\347\232\204\345\210\235\346\254\241\344\275\277\347\224\250.md"
        modified:   "Git/git\347\232\204\351\200\211\351\241\271\345\217\202\346\225\260.md"
 
Untracked files:
  (use "git add <file>..." to include in what will be committed)
 
        Git/git failed to push some refs to github.md
        "Git/git \346\212\245\351\224\231 index file corrupt.md"
        "Git/git\350\277\236\346\216\245GitHub\344\273\245\345\217\212\346\216\250\351\200\201\350\207\263\344\273\223\345\272\223.md"
 
no changes added to commit (use "git add" and/or "git commit -a")
 
Roc@DESKTOP-AF552U2 MINGW64 /e/note (master)