<div dir="ltr">Да, спасибо, обошёлся "patch -R"<br><br><br><br></div><div class="gmail_extra"><br><div class="gmail_quote">2016-10-18 14:56 GMT+03:00 Stas <span dir="ltr"><<a href="mailto:stas.grumbler@gmail.com" target="_blank">stas.grumbler@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=""><br>
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On 18.10.2016 14:23, Aleksey Birukov wrote:<br>
> Существует ли программа преобразовывает patch файл в обратный?<br>
</span>IMHO она не имеет смысла, поскольку pathc умеет как применять, так и<br>
откатывать дифф. RTFM: man patch<br>
> -R or --reverse<br>
> Assume that this patch was created with the old and new<br>
> files swapped. (Yes, I'm afraid that does happen occasionally, human<br>
> nature being what it is.) patch<br>
> attempts to swap each hunk around before applying it.<br>
> Rejects come out in the swapped format. The -R option does not work<br>
> with ed diff scripts because there is<br>
> too little information to reconstruct the reverse operation.<br>
><br>
> If the first hunk of a patch fails, patch reverses the hunk<br>
> to see if it can be applied that way. If it can, you are asked if you<br>
> want to have the -R option<br>
> set. If it can't, the patch continues to be applied<br>
> normally. (Note: this method cannot detect a reversed patch if it is<br>
> a normal diff and if the first command<br>
> is an append (i.e. it should have been a delete) since<br>
> appends always succeed, due to the fact that a null context matches<br>
> anywhere. Luckily, most patches add<br>
> or change lines rather than delete them, so most reversed<br>
> normal diffs begin with a delete, which fails, triggering the heuristic.)<br>
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