Git svn clone：如何推迟修订历史记录的提取 [英] Git svn clone: How to defer fetch of revision history

问题描述

我经常遇到这样的情况，我想立即在SVN存储库上工作。但是普通的 git svn clone [url] 也克隆了整个历史。所以我想加快速度。第一部分是只把最后一个版本提取到你的Git仓库中。我这样做：

  URL = http：//google-web-toolkit.googlecode.com/svn/trunk/ 
 REV =`svn info $ URL | grep修订版：| awk'{print $ 2}'`
 PROJECT_FOLDER = google-web-toolkit-readonly 
 
 git svn clone -r $ REV：HEAD $ URL $ PROJECT_FOLDER 
  
 
（更多信息在StackOverflow文章中：如何git-svn克隆最后n版本的svn  
 
 
这样我就可以运行，并且可以立即工作，但没有本地的历史记录副本。
 
 
 
问题是，我该如何获取来自svn仓库的历史记录？
 
 
 
最好是可以以1000个修订版块（以相反的顺序）完成，任何帮助在这里将不胜感激:) 
解决方案
我发现它是如何完成的。技巧是不要使用 git svn clone  。相反，请分别使用 git svn init 和 git svn fetch 。修改示例： 
 
 
  URL = http：//google-web-toolkit.googlecode.com/svn/trunk/ 
 REV =`svn info $ URL | grep修订版：| awk'{print $ 2}'`
 PROJECT_FOLDER = google-web-toolkit-readonly 
 
 mkdir $ PROJECT_FOLDER 
 cd！$＃进入名为$ PROJECT_FOLDER 
的目录git svn init -s $ URL＃-s意味着--stdlayout with / trunk / tags / branches 
 git svn fetch -r $ REV 
 
＃hack，hack，hack 
 
＃或更新历史记录（在每个循环中获取50次修订
（（r = $ REV; r> 0; r- = 50））; 
 do 
 git svn fetch -r $ r：HEAD 
完成
  
 
I often have the case that I want to work on a SVN repository right away. But an ordinary git svn clone [url] also clones the entire history. So I want to speed things up. The first part is to fetch only the last revision into your Git repository. I do it like so:
URL=http://google-web-toolkit.googlecode.com/svn/trunk/
REV=`svn info $URL |grep Revision: | awk '{print $2}'`
PROJECT_FOLDER=google-web-toolkit-readonly

git svn clone -r$REV:HEAD $URL $PROJECT_FOLDER
(more info in the StackOverflow article: "How to git-svn clone last n revisions from svn"


This way I'm up and running and can work immediately. But without local copy of the history. 

The question is, how do I afterwards fetch history from the svn repository? 

And preferably, can this be done in chunks of, say 1000 revisions (in reverse order). Any help here would be greatly appreciated :)
解决方案
I found out how it can be done. The trick is not to use git svn clone. Instead, use git svn init and git svn fetch individually. Modified the example:
URL=http://google-web-toolkit.googlecode.com/svn/trunk/
REV=`svn info $URL |grep Revision: | awk '{print $2}'`
PROJECT_FOLDER=google-web-toolkit-readonly

mkdir $PROJECT_FOLDER
cd !$ #goes into dir named $PROJECT_FOLDER
git svn init -s $URL #-s implies --stdlayout with /trunk /tags /branches
git svn fetch -r $REV

# hack, hack, hack

# or update history (fetch 50 revisions back each loop
for (( r=$REV; r>0; r-=50 )); 
do 
  git svn fetch -r $r:HEAD
done


                        
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