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From:	"KAVALAGIOS Panagiotis (EEAS-EXT)"
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To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject:	RE: Home directory was not created
Thread-Topic:	Home directory was not created
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Date:	Wed, 3 Mar 2021 12:59:06 +0000
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> -----Original Message-----
> From: Andrey Repin <anrdaemon AT yandex DOT ru>
> Sent: 03 March 2021 12:56
> 
> Greetings, KAVALAGIOS Panagiotis (EEAS-EXT)!
> 
> >> All postinstall steps failed because of BLODA or installation path:
> >>
> >> 2021/02/09 17:48:06 running: C:\Program Files\Cygwin\bin\dash.exe
> >> "/etc/postinstall/0p_000_autorebase.dash"
> >>        0 [main] dash (2296) shared_info::initialize: size of shared
> >> memory region changed from 49080 to 40888
> >> 2021/02/09 17:48:20 abnormal exit: exit code=-1073741819 ...
> >>
> >> Installing under Program\ Files causes issues because of space in
> >> path names and BLODA-like AV protections on those paths.
> 
> > The installation is performed by powershell script that runs with the
> > super admin (system user/nt authority) from local repository that
> > normally bypasses all those kind of AV restrictions. I start it from
> > the Cygwin icon that runs mintty under the hood. I don't know who took
> > those 8KB from the script's shared memory, but indeed it looks like a
> > BLODA interference. I will ask the package to be re-installed.
> 
> In such (administrative install) case, the Cygwin user directories should be
> redirected, f.e. to the user's profile, IMO.
> See nsswitch.conf for examples and possible options of such redirection.

Yes, I am aware of this, but I prefer separate home directories to avoid confusion with the Windows programs. For example, we have Git for Windows and Git of Cygwin. The former consults %USERPROFILE%\.gitconfig and the latter $HOME/.gitconfig. You might need to set different options according to the environment you are running git and if they are the same, this is not possible.

> > We are running Cygwin from "C:\Program Files" for years without issue.
> 
> Coincidence, I'm sure.
> 
> > A space in the directory name is a very supported character for Unix
> > and Unix-like systems as well.
> 
> Except script writers rarely account for that. Unfortunately.

That's true, but instead of advising for non-space installation paths, let's all install Cygwin under a space-containing path and identify all those individual cases. The space character in the path deserves more respect :)

Panos
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