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From:	Timothee Besset <ttimo AT ttimo DOT net>
Date:	Mon, 18 Jul 2022 17:22:40 +0200
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Subject:	Re: cygpath 3.3.4 : incorrect windows to unix path conversions
To:	cygwin AT cygwin DOT com
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Hello,

Thank you for the information, this helped me formulate a solution.

Best,
- TTimo

On Tue, Jun 28, 2022 at 10:20 AM Andrey Repin <anrdaemon AT yandex DOT ru> wrote:

> Greetings, Timothee Besset!
>
> > Hello,
>
> > We are seeing some odd behavior from cygpath.exe when it is copied and
> used
> > outside the normal cygwin installation directory:
>
> > PS C:\Users\ttimo> C:\cygwin64\bin\cygpath.exe -a -u "C:"
> > /cygdrive/c
>
> To begin with, "C:" means "current working directory on drive 'C:'". Not
> "root
> directory of 'C:'".
> The behavior of cygpath is incorrect in this case.
>
> > After copying cygpath.exe and cygwin1.dll to a blank C:\tmp:
>
> Both must be in '…/bin' directory, this is user error.
>
> > PS C:\Users\ttimo> C:\tmp\cygpath.exe -a -u "C:"
> > /
>
> > (should be /cygdrive/c!)
>
> No? See above.
>
> > After copying those same files to C:\tmp\tmp:
>
> > PS C:\Users\ttimo> C:\tmp\tmp\cygpath.exe -a -u "C:"
> > /cygdrive/c
>
> > It works again!
>
> By coincidence. (And no.)
>
> > We bundle a few cygwin pieces (ssh, rsync) in our application and run
> them
> > on machines that may not have cygwin installed, this is why we are trying
> > to use cygpath outside a normal installation directory - see
> > https://gitlab.steamos.cloud/devkit/steamos-devkit for details.
>
> See above, cygwin tools' layout must follow FHS, or you will see all sorts
> of
> issues.
> That aside, you could always use /proc/cygdrive/ root for manual path
> conversion.
>
> > We've been using this setup for more than a year and only noticing this
> > now; I suspect this used to work fine but I couldn't tell you of an older
> > version that worked for sure.
>
> Um, no.
>
>
> --
> With best regards,
> Andrey Repin
> Tuesday, June 28, 2022 11:14:52
>
> Sorry for my terrible english...

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