我从一个工程师那里继承了一个Xcode项目，他在2年内创建了这个项目，在Xcode中使用git但是从未提交或推送到像Github这样的repo。
当我cd进入项目时，我得到：fatal: unable to read 45d2edd52b4abd09ab4d5f78e9eaf4183235f555
正在运行vi .git/HEAD给我：ref: refs/heads/followers，这是我下载后第一次cd进入项目时项目所在的分支。
如果我查看master，请followers发生这种情况：
-> gco master
fatal: reference is not a tree: master
git status和git log给我fatal: bad object HEAD
当我运行git fetch时，我得到：
error: refs/remotes/origin/master does not point to a valid object!
error: refs/remotes/origin/profileTab does not point to a valid object!
remote: Counting objects: 759, done.
remote: Total 759 (delta 0), reused 0 (delta 0), pack-reused 759
Receiving objects: 100% (759/759), 2.50 MiB | 7.66 MiB/s, done.
Resolving deltas: 100% (333/333), done.
error: refs/heads/1144 does not point to a valid object!
error: refs/heads/Boost does not point to a valid object!
error: refs/heads/CMO does not point to a valid object!
error: refs/heads/RemoveSVPullToRefresh does not point to a valid object!
error: refs/heads/accessorycategory does not point to a valid object!
error: refs/heads/backup does not point to a valid object!
error: refs/heads/chimpIntegration does not point to a valid object!
error: refs/heads/compulsaryCheckout does not point to a valid object!
error: refs/heads/depopIntegration does not point to a valid object!
error: refs/heads/dev does not point to a valid object!
error: refs/heads/explorewithlatestfirst does not point to a valid object!
error: refs/heads/followers does not point to a valid object!
error: refs/heads/incrementBadge does not point to a valid object!
error: refs/heads/listforothers does not point to a valid object!
error: refs/heads/master does not point to a valid object!
error: refs/heads/messaging does not point to a valid object!
error: refs/heads/newCreateVCFlow does not point to a valid object!
error: refs/heads/newimagepicker does not point to a valid object!
error: refs/heads/postingBanner does not point to a valid object!
fatal: bad object HEAD
error: ssh://github.com/{user who isn't me}/wtbtest.git did not send all necessary objects
followers分支本质上是一个干净的master，但是我想为多个开发人员设置这个项目来处理它，并且行为和行为就像使用git的普通项目一样。
会喜欢有关如何解决此问题的任何提示。谢谢！