转换补丁条级别

本文介绍了转换补丁条级别的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

假设我有一个可以用-p0 应用的补丁，是否有工具可以自动将这个补丁转换为-p1 补丁.例如，变换

Suppose I have a patch that can be applied with -p0, is there a tool to automatically transform this patch into a -p1 patch. For example, transforming

Index: stdio-common/_i18n_number.h
===================================================================
--- stdio-common/_i18n_number.h (revision 8348)
+++ stdio-common/_i18n_number.h (working copy)
@@ -116,7 +116,7 @@ _i18n_number_rewrite (CHAR_T *w, CHAR_T
 #else

 static CHAR_T *
-_i18n_number_rewrite (CHAR_T *w, CHAR_T *rear_ptr)
+_i18n_number_rewrite (CHAR_T *w, CHAR_T *rear_ptr, CHAR_T *end)
 {
   return w;
 }

进入同一个补丁但目录名不同(注意路径前面的a、b)

Into the same patch but with different directory name (notice the a, b) in front of the path

Index: stdio-common/_i18n_number.h
===================================================================
--- a/stdio-common/_i18n_number.h (revision 8348)
+++ b/stdio-common/_i18n_number.h (working copy)
@@ -116,7 +116,7 @@ _i18n_number_rewrite (CHAR_T *w, CHAR_T
 #else

 static CHAR_T *
-_i18n_number_rewrite (CHAR_T *w, CHAR_T *rear_ptr)
+_i18n_number_rewrite (CHAR_T *w, CHAR_T *rear_ptr, CHAR_T *end)
 {
   return w;
 }

推荐答案

简单地转换 diff 块头中的文件名就足够了.

Simply transforming the filenames in the diff chunk headers is good enough.

sed \
    -e 's!^--- !&a/!' \
    -e 's!^+++ !&b/!' \
    < p0.patch \
    > p1.patch

对于其他补丁修改工具，我建议使用 patchutils，但这个很简单没有预先存在的实用程序.

For other patch mangling tools, I'd suggest patchutils, but this one is so simple that there's no pre-existing utility for it.

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With