diff：选项不识别«--git» [英] diff: option not recognize «--git»

问题描述

当我试图为python脚本安装depencies时，得到这个错误：

When I'm trying to install depencies for a python script I get this error:

build/temp.linux-x86_64-2.7/_openssl.c:697:6: error: conflicting types for ‘BIO_new_mem_buf’
 BIO *BIO_new_mem_buf(void *, int);
      ^
In file included from /usr/include/openssl/asn1.h:65:0,
                 from build/temp.linux-x86_64-2.7/_openssl.c:413:
/usr/include/openssl/bio.h:692:6: note: previous declaration of ‘BIO_new_mem_buf’ was here
 BIO *BIO_new_mem_buf(const void *buf, int len);
      ^
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

我尝试这个补丁发现这里：

I try this patch found here:

diff --git a/dev-python/cryptography/cryptography-1.2.2.ebuild b/dev-python/cryptography/cryptography-1.2.2.ebuild

但是我得到这个错误 diff ：option not recognize«--git»

如何修复此错误？

推荐答案

diff --git 不是命令，而是 git diff -p （补丁）的标题：

diff --git is not a command, but the header of a git diff -p (patch):

-p 选项产生的结果与传统的差异格式略有不同：

What the -p option produces is slightly different from the traditional diff format:

它之前有一个git diff标头，如下所示：

It is preceded with a "git diff" header that looks like this:

diff --git a/file1 b/file2

由于gentoo中的diffstat在统一模式下，您可以将其复制到补丁文件中，然后应用它到您的代码库，并使用 补丁命令。

（请参阅更多示例）。

Since the diffstat in the gentoo repo is in unified mode, you can copy it in a patch file, and apply it to your codebase with a patch command.
(See more examples here).

patch foo.c < patch.diff

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