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Date: Wed, 17 Jul 2013 17:54:49 +0400
From: Andrey Repin <anrdaemon AT freemail DOT ru>
Reply-To: Andrey Repin <cygwin AT cygwin DOT com>
Message-ID: <14010118879.20130717175449@mtu-net.ru>
To: Corinna Vinschen <cygwin AT cygwin DOT com>
Subject: Re: Issue with run.exe and PWD with spaces since last update (Cygwin 1.7.21)
In-Reply-To: <20130717125916.GB21347@calimero.vinschen.de>
References: <295777180 DOT 20130716202913 AT mtu-net DOT ru> <20130717125916 DOT GB21347 AT calimero DOT vinschen DOT de>
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Greetings, Corinna Vinschen!

> On Jul 16 20:29, Andrey Repin wrote:
>> Greetings, All!
>> 
>> I'm trying to execute a script that was working fine until recent update.
>> It doesn't crash, just, for some reason, trim the last component of a path.
>> 
>> In a nutshell, the issue is this:
>> 
>> $ mkdir "/a b"
>> $ cd "/a b"
>> $ ls -l "$SYSTEMROOT/System32/notepad.exe"
>> (just to confirm that the file actually exists)
>> $ run "$SYSTEMROOT/System32/notepad.exe"
>> Error pops up:

> This never works, even in any other directory.  It's the same problem
> which disallows checkX to work, as reported in
> http://cygwin.com/ml/cygwin/2013-07/msg00326.html

Now, it doesn't work >.> Worked before, while I was running tests.
What magic is dat?

> The cause is an optimization when calling cygwin executables.  So far,
> Cygwin executables got their arguments via mmeory copy as well as via
> the single-line cmdline argument of CreateProcess.  We removed the
> latter since it was never meant to work that way in the first place.

> Unfortunately it turns out that run/run2/checkX are Cygwin executables
> which don't have a main routine, but rather a WinMain routine.  The
> latter has a single cmdline argument, which is generated via
> GetCommandLine().  But since Cygwin executables get no single-line
> command line anymore, this stopped working.


> Stay tuned,

I am. In the meantime, I had to use
cmd /C start "" "$( cygpath -alm "$CWD/..." )"


--
WBR,
Andrey Repin (anrdaemon AT freemail DOT ru) 17.07.2013, <17:52>

Sorry for my terrible english...


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