具有现有目录结构的Git子目录过滤器 [英] Git subdirectory filter with existing directory structure

问题描述

我正在使用filter-branch的--subdirectory-filter选项拆分出一个Git仓库，该仓库运行良好，除了将所有内容都提交到仓库的根目录。

我现在有

  ABC 
  -  DEF 
  -  GHI 
  -  JKL 
  -  MNO 
  

以及此命令的结果：

  git filter-branch -f --subdirectory-filter ABC / DEF --prune-empty  -  --all 
  
 
 
 
生成此： 
 
 
  GHI 
 JKL 
  
我真正想要的是这样的： 
 
 
  ABC 
  -  DEF 
  -  GHI 
  -  JKL 
  
在Git文档中我看不到任何显示保留（或设置）目录结构的过滤器选项的文档，而且我无法找到可以运行的命令过滤后重新映射结构以达到我想要的状态。
 
 
 
这是可能的吗？
解决方案
我找到了答案在这里这个技巧。
 
 
 
命令：
  git filter-branch -f --index-filter'git ls-files -s \ 
 | seds-\t-&ABC / DEF /  - \ 
 | GIT_INDEX_FILE = $ GIT_INDEX_FILE.new git update-index --index-info \ 
&& mv $ GIT_INDEX_FILE.new $ GIT_INDEX_FILE'
  
完美无缺
 
I'm splitting out a Git repository using the --subdirectory-filter option of filter-branch which is working great except it pulls everything up to the root of the repository.

I currently have
ABC
  - DEF
      - GHI
      - JKL
  - MNO
And the result of this command:
git filter-branch -f --subdirectory-filter ABC/DEF --prune-empty -- --all
Generates this:
GHI
JKL
Where what I really want is this:
ABC
  - DEF
      - GHI
      - JKL
I can't see anything in the Git docs that shows a filter option which preserves (or sets) the directory structure and I haven't been able to find a command I can run after the filtering to remap the structure to how I want it.

Is this possible?
解决方案
I found an answer here which does the trick.

The command:
git filter-branch -f --index-filter 'git ls-files -s \
| sed "s-\t-&ABC/DEF/-" \
| GIT_INDEX_FILE=$GIT_INDEX_FILE.new git update-index --index-info \
&& mv $GIT_INDEX_FILE.new $GIT_INDEX_FILE'
works perfectly

                        
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