转换Git仓库浅？ [英] Converting git repository to shallow?

问题描述

如何将已克隆的git存储库转换为浅存储库？

git存储库是通过脚本以外的脚本下载的，所以我不能做浅克隆。

这样做的原因是为了节省磁盘空间。 （是的，我的磁盘空间很短，所以即使浅储存库没有多少节省，但仍然需要。）

我已经试过了

  git repack -a -d -f -depth = 1 
  

但是这实际上使得存储库变大了。

解决方案

我们说最早的提交你希望保留一个<1 code> c0ffee 。

$ b

1. 创建一个新的空分支


2. 签出树 >你想保留的最早的提交，而不用实际检出提交： git checkout c0ffee - 。（现在 HEAD 仍然指向新的空分支，但是您的工作树和索引都看起来像 c0ffee ）


3. 提交整个树： git commit -m初始提交，从c0ffee复制


4. 此时 git diff-tree newbranch c0ffee 不应该产生输出 - 它们有相同的树。 （或者，您可以执行 git show -s c0ffee --format =％T 和 git show -s newbranch --format =％T < ）

5. git rebase --onto newbranch c0ffee master


6. git branch -d newbranch


7. git gc




How can I convert an already cloned git repository to a shallow repository?

The git repository is downloaded through a script outside of my control so I cannot do a shallow clone.

The reason for doing this is to save disk space. (Yes, I'm really short on disk space so even though a shallow repository doesn't save much, it is needed.)

I already tried

git repack -a -d -f -depth=1

But that actually made the repository larger.

解决方案

Let's say the earliest commit you want to keep has a SHA1 of c0ffee.

1. Create a new empty branch
2. Checkout the tree of the earliest commit you want to keep, without actually checking out the commit: git checkout c0ffee -- . (Now HEAD is still pointing to your new empty branch, but your working tree and index both look like the tree of c0ffee)
3. Commit the whole tree: git commit -m "Initial commit, copied from c0ffee"
4. At this point git diff-tree newbranch c0ffee should produce no output -- they have the same tree. (Alternatively, you could do git show -s c0ffee --format=%T and git show -s newbranch --format=%T and they should show the same hash.)
5. git rebase --onto newbranch c0ffee master
6. git branch -d newbranch
7. git gc

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