git git存储库无法遍历父错误
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原文地址: http://stackoverflow.com/questions/6713126/
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git repository failed to traverse parent error
提问by Peter Harrison
I am a newcomer to git and was quite happy until this evening. I have been committing changes regularly. I maintain two remotes on unfuddle and beanstalk and a local filesystem remote.
我是 git 的新手，直到今天晚上都很开心。我一直在定期进行更改。我在 unfuddle 和 beanstalk 上维护两个遥控器以及一个本地文件系统遥控器。
Never had an error and after a days work, I push my changes up to all the remotes believing that woud keep me pretty safe. There were no errors and no problems.
从来没有出现过错误，经过一天的工作，我将我的更改推送给所有遥控器，相信这会让我非常安全。没有错误，也没有问题。
This evening, I went to look over the log of my project and got this error for my pains:
今天晚上，我去查看我的项目的日志，并为我的痛苦得到了这个错误：
error: Could not read a2b6c2fa16e01db9e38d9509606a444e5831330a
fatal: Failed to traverse parents of commit
78e81a9a7f5cafa5e2af4b95d156364b9a430ac9
As far as I can see the history is good as far back as May 29th. I cannot clone a copy from any of the remotes. There are no other clones anywhere that I could use to recover the repository. I don't even really know when it broke. I checked the FAQ but I have no idea what the author of the repository recovery section is talking about.
据我所知，历史可以追溯到 5 月 29 日。我无法从任何遥控器克隆副本。在任何地方都没有其他克隆可用于恢复存储库。我什至不知道它什么时候坏了。我查看了常见问题解答，但我不知道存储库恢复部分的作者在说什么。
WhenI run git fsck, I get 155 lines of missing this and dangling that. Clearly, I would like to get this cleaned up. I can live with no history prior to May 29th If I could get it straight from then onwards.
当我运行 git fsck 时，我得到 155 行缺少这个和悬空那个。显然，我想把它清理干净。如果我能从那以后直接得到它，我可以在 5 月 29 日之前没有历史记录。
Can anyone help me get this straight?
任何人都可以帮我弄清楚吗？
Also, what could cause this? The only thing I can think of that has changed in that period is that I upgraded netbeans to v7 which is supposed to have git support but seems not to recognise existing repositories.
另外，这可能是什么原因造成的？在那个时期我能想到的唯一改变是我将 netbeans 升级到 v7，它应该有 git 支持，但似乎无法识别现有的存储库。
回答by weston
I googled this error and found your page, in my case the problem was that I had done:
我用谷歌搜索了这个错误并找到了你的页面，就我而言，问题是我已经完成了：
git clone --depth 1 https://github.com/example/nifty.git
but months later, forgetting that I had only grabbed the latest commits, when I tried to push it to another remote it complained. It took me a little while to figure out that it wasn't a damaged repo but just the fact that I never had the parent commits! Hopefully that helps someone.
但是几个月后，忘记了我只抓取了最新的提交，当我试图将它推送到另一个遥控器时，它抱怨了。我花了一点时间才发现这不是一个损坏的回购，而只是我从未让父提交的事实！希望这可以帮助某人。
This fixed it for my case:
这为我的情况修复了它：
git fetch --unshallow
回答by Ryan Stewart
"Dangling" objects may not be a problem. It could just mean that you've done some resetting, rebasing, and/or deleted branches that weren't fully merged. "Missing", on the other hand, is more serious, I believe. Take a look at this article on repairing a damaged repo. That might help you out. You could also try upgrading git if you're out of date. A newer version might be a little smarter.
“悬空”对象可能不是问题。这可能只是意味着您已经完成了一些未完全合并的重置、重新定位和/或删除的分支。我相信，另一方面，“失踪”更为严重。看看这篇关于修复损坏的 repo 的文章。那可能会帮助你。如果你已经过时了，你也可以尝试升级 git。较新的版本可能更聪明一些。
