On Thu, 14 Aug 2008, Linus Torvalds wrote:
quoted text
>
>   There's no way to do an all-or-nothing patch, which is often 
>    a huge requirement.

Side note: there's a way to do a "nothing or nothing" thing, and then test 
the return value of whether the do-nothing was successful or not.

So a reasonably common operation thing for scripting GNU patch is to 
literally do

	patch --dry-run

first to see if the patch will succeed.

..or to play games with backup and reject files after-the-fact, of course.

			Linus
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