git如何处理文件夹权限？ [英] How does git handle folder permission?

问题描述

我使用的是git版本1.5.6.3，似乎git并没有注意到文件夹的模式更改

I'm using git version 1.5.6.3, and it seems git doesn't notice a folder's mode changes

#create a test repository with a folder with 777 mode
:~$ mkdir -p test/folder
:~$ touch test/folder/dummy.txt
:~$ cd test
:~/test$ chmod 777 folder/

#init git repository
:~/test$ git init
Initialized empty Git repository in ~/test/.git/
:~/test$ git add .
:~/test$ git commit -m 'commit a directory'
Created initial commit 9b6b21a: commit a directory
 0 files changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 folder/dummy.txt

#change folder permission to 744
:~/test$ chmod 744 folder/
:~/test$ git status 
# On branch master
nothing to commit (working directory clean)

什么 04000 代表？

:~/test$ git ls-tree HEAD folder
040000 tree 726c1d5f0155771348ea2daee6239791f1cd7731    folder

这是正常的行为吗？

如何跟踪文件夹模式更改？

How can I track folder mode changes?

推荐答案

code> git git 支持文件和符号链接（blob），目录（树）和子模块（提交）。

The only 'permissions' bit that git tracks is the executable bit for files, the rest of the mode bits describe what type of file system object the object in each git tree is. git supports files and symlinks (blobs), directories (trees) and the submodules (commits).

git 旨在帮助跟踪不同机器上的源代码。权限位取决于机器之间的用户和组映射。在这些映射不存在的分布式环境中，跟踪权限位通常会阻碍事情而不是帮助任何事情。

git is designed to help track source code across different machines. Permission bits depend on user and group mappings between machines. In distributed environments where these mappings don't exist, tracking permission bits usually ends up hindering things rather than helping anything.

如果您需要跟踪更多的文件系统属性，那么 git 本机可以考虑和扩展工具，例如 etckeeper 。

If you need to track more file system attributes that what git tracks natively you could consider and extension tool such as etckeeper.

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