Linux、macOS:

cd .git/
sudo chown -R name:group *

其中name是用户名，group是用户名所属的组。

修复权限

在你确定并修复了潜在的原因(见下文)后，你会想要修复权限:

cd /path/to/repo/.git
sudo chgrp -R groupname .
sudo chmod -R g+rwX .
sudo find . -type d -exec chmod g+s '{}' +

注意，如果你想让每个人都能修改存储库，你不需要chgrp，你需要将chmod更改为sudo chmod -R a+rwX。

如果您不修复根本原因，错误将不断出现，您将不得不一遍又一遍地重新运行上述命令。

根本原因

该错误可能是由以下原因之一引起的:

The repository isn't configured to be a shared repository (see core.sharedRepository in git help config). If the output of: git config core.sharedRepository is not group or true or 1 or some mask, try running: git config core.sharedRepository group and then re-run the recursive chmod and chgrp (see "Repair Permissions" above). The operating system doesn't interpret a setgid bit on directories as "all new files and subdirectories should inherit the group owner". When core.sharedRepository is true or group, Git relies on a feature of GNU operating systems (e.g., every Linux distribution) to ensure that newly created subdirectories are owned by the correct group (the group that all of the repository's users are in). This feature is documented in the GNU coreutils documentation: ... [If] a directory's set-group-ID bit is set, newly created subfiles inherit the same group as the directory, and newly created subdirectories inherit the set-group-ID bit of the parent directory. ... [This mechanism lets] users share files more easily, by lessening the need to use chmod or chown to share new files. However, not all operating systems have this feature (NetBSD is one example). For those operating systems, you should make sure that all of your Git users have the same default group. Alternatively, you can make the repository world-writable by running git config core.sharedRepository world (but be careful—this is less secure). The file system doesn't support the setgid bit (e.g., FAT). ext2, ext3, ext4 all support the setgid bit. As far as I know, the file systems that don't support the setgid bit also don't support the concept of group ownership so all files and directories will be owned by the same group anyway (which group is a mount option). In this case, make sure all Git users are in the group that owns all the files in the file system. Not all of the Git users are in the same group that owns the repository directories. Make sure the group owner on the directories is correct and that all users are in that group.

调试这种情况的一个好方法是，下次发生这种情况时，SSH到远程repo, cd到objects文件夹，并执行ls -al。

如果您看到2-3个文件具有不同的用户:组所有权，那么这就是问题所在。

在过去，我遇到过一些遗留脚本访问我们的git repo，通常意味着不同的(unix)用户最后推送/修改文件，而您的用户没有权限覆盖这些文件。你应该创建一个共享git组，所有启用git的用户都在其中，然后递归地chgrp objects文件夹和它的内容，这样它的组所有权就是共享git组。

您还应该在文件夹上添加一个sticky位，以便在文件夹中创建的所有文件将始终具有git组。

Chmod g+s目录名

更新:我不知道core. sharerepository。很高兴知道这一点，尽管它可能只是做上述工作。

适用于Ubuntu(或任何Linux)

从项目根，

cd .git/objects
ls -al
sudo chown -R yourname:yourgroup *

你可以通过以下方式说出你的名字和你所在的小组:

# for yourname
whoami
# for yourgroup
id -g -n <yourname>

注意:记住sudo行末尾的星号

您需要对要推入的目录具有足够的写权限。

在我的例子中:Windows 2008服务器

右键单击git回购目录或父目录。

属性>共享选项卡>高级共享>权限>确保用户具有适当的访问权限。

在我的例子中，解决方案就是git再次提交。

问题自动解决了。

发生了什么事?我使用^C (Control-C)来避免写错误的提交消息。(我从错误的剪贴板中粘贴了错误的消息。)因此，我假设进程暂时冻结在后台，这暂时锁定了数据库。