从无到有创建一个git diff [英] Creating a git diff from nothing

问题描述

我试图通过评论板创建一个补丁文件。

It将是最初的补丁。

I am trying to create a patch file to be used via reviewboard.
It will be the initial patch.

diff -ruN --exclude = .git empty_dir working_dir> mypatch_00.patch 的作品，但我得到一个选定的文件似乎不是差异。错误。

diff -ruN --exclude=.git empty_dir working_dir > mypatch_00.patch works but I am getting a "The selected file does not appear to be a diff." error.

有什么办法让它使用git-diff或diff？谢谢

Is there any way to get it working using git-diff or diff? Thank you

推荐答案

如果您想为最初的提交获取差异（也许我误解了您的问题），您可以使用

If you want to get diff for your initial commit (maybe I misunderstood your question), you can display it using

git show COMMIT

或者将其作为文件：

Alternatively to get it as file:

git format-patch -1 COMMIT

其中 COMMIT 是此提交的修订。如果这也是您当前的提交，那么您不必指定它。

Where COMMIT is revision of this commit. If this is your current commit as well, you don't have to specify it at all.

但是，如果您的提交不是初始化，并且想要获得完全差异你的历史，你需要首先创建空分支：

However if your commit is not initial and you want to get full diff for your history, you need to create empty branch first:

git checkout --orphan empty         # Create orphaned branch
git read-tree --empty               # Remove all files from index
git commit --allow-empty -m 'Empty' # Initial commit

现在你可以对空分支做全差异：

Now you can do full diff against empty branch:

git diff empty..master

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