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[bug-patch] RFE: --batch-skip

From: Bruce Korb
Subject: [bug-patch] RFE: --batch-skip
Date: Fri, 6 Sep 2013 10:57:10 -0700

I am working in a situation where I have an automatable task that
includes patching a bunch of files.  However, I do not know apriori
whether or not a particular patch has already been applied.
If I use the patch option, "--batch" it assumes (incorrectly)
that I want to reverse the patch.  If I don't use the option,
then it reads from /dev/tty, making the whole thing interactive
instead of being an automated script.

So there really need to be four modes of operation:

force -- do the best you can
batch -- approximately the same, but apply in reverse if
         it seems like it might be reversed
cautious-batch -- silently quit if anything looks awry
         do *not* query /dev/tty for anything.
otherwise -- ask /dev/tty about anything unusual

patch forthcoming, unless shouted down.

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