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Subject:	Re: Symlink targets dereferenced when winsymlinks:native
To:	cygwin AT cygwin DOT com
References:	<564E1AA0 DOT 6070001 AT gmail DOT com> <0D835E9B9CD07F40A48423F80D3B5A702E9519BE AT USA7109MB022 DOT na DOT xerox DOT net> <564E3C5B DOT 10006 AT gmail DOT com> <20151120092618 DOT GA20182 AT calimero DOT vinschen DOT de> <5654BFC3 DOT 9090901 AT gmail DOT com> <20151126115339 DOT GK2755 AT calimero DOT vinschen DOT de>
From:	David Macek <david DOT macek DOT 0 AT gmail DOT com>
Message-ID:	<565B0516.3000109@gmail.com>
Date:	Sun, 29 Nov 2015 15:00:54 +0100
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On 26. 11. 2015 12:53, Corinna Vinschen wrote:
> On Nov 24 20:51, David Macek wrote:
>> My test command is `touch 1 && ln -s 1 2`, then I clean up by `rm 1 2`. =
Now the results:
>>
>> in /bin/: relative
>> in /: absolute
>> in ~/ (/cygdrive/c/Users/username/): relative
>> in /cygdrive/w/: absolute
>>
>> Note that W: is a permasubst (created using `DOSDevices` in registry), w=
hich would explain the different behaviour (but not excuse it :), but I don=
't see why / is also special. Even if only one from the link pair (target o=
r source) is in a relative-symlink-unsupporting path, I get an absolute pat=
h.
>>
>> Can you confirm?
>=20
> Yes, thanks for this part of the analysis.  There was a typo in the
> code checking the relative paths.  The check for a drive colon in the
> pathname used a wrong offset into the path string, which ultimately
> always created an absolut path to the target if the path of the
> target was in a drive's root dir or one level below that.
>=20
> I fixed that in the repo and created a new developer snapshot for
> testing: https://cygwin.com/snapshots/  Please give it a try.

I get relative symlinks in all of my test cases now. Thanks.

--=20
David Macek


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