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Date: Tue, 3 Mar 2020 17:41:24 +0100
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Change in logical link behaviour
Message-ID: <20200303164124.GE4045@calimero.vinschen.de>
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References: <30792264-c452-7ea2-c83f-f368322387ea@emrich-ebersheim.de> <20200302164851.GS4045@calimero.vinschen.de> <d04228d9-eff9-6dd4-6cfc-80b24bc8fa3b@emrich-ebersheim.de> <20200303133925.GA4045@calimero.vinschen.de> <29f11aed-a529-c88b-af5d-3607f4959871@emrich-ebersheim.de> <20200303143117.GB4045@calimero.vinschen.de> <20200303154913.GD4045@calimero.vinschen.de> <99c7b27b-9ea8-cf1e-d5ce-afc685246f97@emrich-ebersheim.de>
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On Mar  3 17:05, Rainer Emrich wrote:
> Am 03.03.2020 um 16:49 schrieb Corinna Vinschen:
> > On Mar  3 15:31, Corinna Vinschen wrote:
> >> On Mar  3 15:19, Rainer Emrich wrote:
> >>> Am 03.03.2020 um 14:39 schrieb Corinna Vinschen:
> >>>> Aha!  So powershell does not show the 'l'.
> >>> The most important thing is the difference between cygwin 3.0.7 and
> >>> cygwin 3.1.4. For cygwin 3.0.7 the link indicator is shown even in
> >>> powershell on Windows 7 but not with cygwin-3.1.4. And believe me, the
> >>> only difference is the cygwin version.
> >>
> >> I may believe you, but believe me that Cygwin has no influence on
> >> what powershell shows.  See the output of cmd /c dir /a.  The file
> >> is a native symlink.
> >=20
> > ...and for kicks I just tried this on W7 under Cygwin 3.0.7.  The output
> > is the same as I pasted in https://cygwin.com/ml/cygwin/2020-03/msg0004=
3.html
> >=20
> > No 'l' mode flag, no 6th column in the mode output:
> >=20
> > Mode                LastWriteTime     Length Name
> > ----                -------------     ------ ----
> > -a---        03.03.2020     16:47          0 bar
> >=20
> >=20
> For me it's different. That's realy strange.
>=20
> Ok, so I can't rely on powershell here. Is there a recommended procedure
> for what I try in a script?
>=20
> Check if the current cygwin environment is able to create native symlinks.

Unless I'm missing some new and shiny Windows onboard tool, that's
surprisingly tricky without creating your own executable checking just
that.  Off the top of my head I don't see any other way than calling cmd
/c dir and some awk or sed hacking.


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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