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Date:	Fri, 17 Jun 2022 00:29:39 +0900
From:	Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
To:	cygwin AT cygwin DOT com
Subject:	Re: unzip failure with files that contain colons
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	<ba73b31b-be25-fe58-98de-11d8cad679cd AT towo DOT net>
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On Thu, 16 Jun 2022 06:22:38 +0200
Thomas Wolff wrote:
> Am 15.06.2022 um 20:30 schrieb Adam Dinwoodie:
> > Cygwin generally handles filenames with colons just fine, by mapping the
> > character to some higher Unicode character and remapping on the fly.
> > However Cygwin's `unzip` appears to have a bug: when unzipping an
> > archive that contains a filename with a colon, it replaces the colon
> > with an underscore.
> >
> > cygcheck.out and simple test script attached; expected behaviour from
> > running `bash unzip-bug.sh` is that you get an empty file called `a:b`,
> > but on Cygwin you instead get an empty file called `a_b`.
> It's an explicit #ifdef __CYGWIN__ in upstream unzip, file unix/unix.c, 
> which transforms a bunch of characters.
> If I uncomment most of them (except \), all unpack fine:
> x0:z  x1<z  x2>z  x3|z  x4"z  x5?z  x6*z

I have taken over the maintenance of unzip package, and
fix the problem in the updated unzip-6.0-18.
https://cygwin.com/pipermail/cygwin/2022-June/251653.html

Please try.

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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