转换git存储库文件编码 [英] Convert git repository file encoding

问题描述

我有一个大的CVS存储库，其中包含 ISO-8859-1 中的文件，并希望将其转换为git。

当然，我可以配置git使用 ISO-8859-1 进行编码，但我想在 utf8 。

现在使用 iconv 或 recode 我可以转换我的工作树中的文件的编码。我可以使用转换的编码

$ c>

来提交此问题。现在的问题是，是否有可能转换完整的历史？当从cvs转换到git或之后。我的想法是编写一个脚本，读取每个提交在Git存储库，并将其转换为 utf8 并提交它在一个新的git存储库。

这是可能的（我不确定哈希码，以及如何遍历提交，分支和标签）。或者有一个工具可以处理这样的东西？

解决方案

可以通过 git filter -branch 。这个想法是，你必须在每个提交中更改文件的编码，在每次提交时重写每个提交。

首先，编写一个脚本，文件。它可能如下所示：

 ＃！/ bin / sh 
 
 find。 -type f -print |同时读f; do 
 mv -i$ f$ f.recode。$$
 iconv -f iso-8859-1 -t utf-8< $ f.recode。$$> $ f
 rm -f$ f.recode。$$
 done 
  

$ b b

然后使用 git filter-branch 重复运行此脚本，每次提交一次：

  git filter-branch --tree-filter / tmp / recode-all-files HEAD 
  

其中 / tmp / recode-all-files 是上述脚本。

右在仓库从CVS新鲜升级后，你可能只有一个分支在git与线性历史回到开始。如果你有几个分支，你可能需要增强 git filter-branch 命令来编辑所有提交。

I have a large CVS repository containing files in ISO-8859-1 and want to convert this to git.

Sure I can configure git to use ISO-8859-1 for encoding, but I would like to have it in utf8.

Now with tools such as iconv or recode I can convert the encoding for the files in my working tree. I could commit this with a message like converted encoding.

My question now is, is there a possibility to convert the complete history? Either when converting from cvs to git or afterwards. My idea would be to write a script that reads each commit in the git repository and to convert it to utf8 and to commit it in a new git repository.

Is this possible (I am unsure about the hash codes and how to walk through the commits, branches and tags). Or is there a tool that can handle something like this?

解决方案

You can do this with git filter-branch. The idea is that you have to change the encoding of the files in every commit, rewriting each commit as you go.

First, write a script that changes the encoding of every file in the repository. It could look like this:

#!/bin/sh

find . -type f -print | while read f; do
        mv -i "$f" "$f.recode.$$"
        iconv -f iso-8859-1 -t utf-8 < "$f.recode.$$" > "$f"
        rm -f "$f.recode.$$"
done

Then use git filter-branch to run this script over and over again, once per commit:

git filter-branch --tree-filter /tmp/recode-all-files HEAD

where /tmp/recode-all-files is the above script.

Right after the repository is freshly upgraded from CVS, you probably have just one branch in git with a linear history back to the beginning. If you have several branches, you may need to enhance the git filter-branch command to edit all the commits.

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