From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 72649 invoked by alias); 29 Nov 2015 14:01:05 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 72632 invoked by uid 89); 29 Nov 2015 14:01:04 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.2 required=5.0 tests=AWL,BAYES_00,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-wm0-f41.google.com Received: from mail-wm0-f41.google.com (HELO mail-wm0-f41.google.com) (74.125.82.41) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Sun, 29 Nov 2015 14:01:03 +0000 Received: by wmec201 with SMTP id c201so107059561wme.1 for ; Sun, 29 Nov 2015 06:01:00 -0800 (PST) X-Received: by 10.194.184.104 with SMTP id et8mr65430952wjc.87.1448805660517; Sun, 29 Nov 2015 06:01:00 -0800 (PST) Received: from [192.168.168.136] ([193.165.236.21]) by smtp.gmail.com with ESMTPSA id t5sm16809848wmt.1.2015.11.29.06.00.59 for (version=TLSv1/SSLv3 cipher=OTHER); Sun, 29 Nov 2015 06:00:59 -0800 (PST) Subject: Re: Symlink targets dereferenced when winsymlinks:native To: cygwin@cygwin.com References: <564E1AA0.6070001@gmail.com> <0D835E9B9CD07F40A48423F80D3B5A702E9519BE@USA7109MB022.na.xerox.net> <564E3C5B.10006@gmail.com> <20151120092618.GA20182@calimero.vinschen.de> <5654BFC3.9090901@gmail.com> <20151126115339.GK2755@calimero.vinschen.de> From: David Macek Message-ID: <565B0516.3000109@gmail.com> Date: Sun, 29 Nov 2015 14:10:00 -0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <20151126115339.GK2755@calimero.vinschen.de> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms070407060906070000020103" X-IsSubscribed: yes X-SW-Source: 2015-11/txt/msg00476.txt.bz2 --------------ms070407060906070000020103 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-length: 1199 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. 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