From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24171 invoked by alias); 24 Nov 2015 19:51:39 -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 24161 invoked by uid 89); 24 Nov 2015 19:51:38 -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-f50.google.com Received: from mail-wm0-f50.google.com (HELO mail-wm0-f50.google.com) (74.125.82.50) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Tue, 24 Nov 2015 19:51:37 +0000 Received: by wmuu63 with SMTP id u63so111172727wmu.0 for ; Tue, 24 Nov 2015 11:51:34 -0800 (PST) X-Received: by 10.194.77.174 with SMTP id t14mr43578708wjw.23.1448394694283; Tue, 24 Nov 2015 11:51:34 -0800 (PST) Received: from [192.168.168.1] ([193.165.236.27]) by smtp.gmail.com with ESMTPSA id b84sm146766wmh.15.2015.11.24.11.51.33 for (version=TLSv1/SSLv3 cipher=OTHER); Tue, 24 Nov 2015 11:51:33 -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> From: David Macek X-Enigmail-Draft-Status: N1110 Message-ID: <5654BFC3.9090901@gmail.com> Date: Tue, 24 Nov 2015 21:48:00 -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: <20151120092618.GA20182@calimero.vinschen.de> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms060603020408070009070301" X-IsSubscribed: yes X-SW-Source: 2015-11/txt/msg00387.txt.bz2 --------------ms060603020408070009070301 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-length: 2377 On 20. 11. 2015 10:26, Corinna Vinschen wrote: > On Nov 19 22:17, David Macek wrote: >> On 19. 11. 2015 20:36, Nellis, Kenneth wrote: >>> FWIW, my results are different: >>> >>> $ printenv CYGWIN >>> winsymlinks:nativestrict >>> $ touch XXX >>> $ ln -s XXX YYY >>> $ ln -s YYY ZZZ >>> $ ls -l >>> total 0 >>> -rw-r----- 1 knellis Domain Users 0 Nov 19 14:28 XXX >>> lrwxrwxrwx 1 knellis Domain Users 3 Nov 19 14:28 YYY -> XXX >>> lrwxrwxrwx 1 knellis Domain Users 3 Nov 19 14:28 ZZZ -> YYY >>> $ uname -svr >>> CYGWIN_NT-6.1 2.3.1(0.291/5/3) 2015-11-14 12:44 >>> $ >> >> Weird. I also tried in the virtual root directory, in case cygdrive affe= cts it, but no luck, still absolute paths. >> >> I'm on Windows 10, if it makes any difference. >=20 > No, I'm on W10 either and it works for me as for Kenneth. The path > evaluation in the function creating native symlinks tries to create > relative Windows paths if the incoming target path is relative, too. > Basically it compares the path prefixes, eliminates as much of > the path as possible and prepends "..\\" as required. >=20 > I don't see a reason why this shouldn't work for you, unless the > shell mangles the paths before passing them to the ln command (yes, > this really may happen with some shells depending on settings) It seems it's dependent on the directory after all. The shell doesn't seem = to affect it, at least not in my tests. 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), whic= h 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 or s= ource) is in a relative-symlink-unsupporting path, I get an absolute path. Can you confirm? Output of `mount`: D:/cygwin64/bin on /usr/bin type ntfs (binary,auto) D:/cygwin64/lib on /usr/lib type ntfs (binary,auto) D:/cygwin64 on / type ntfs (binary,auto) C: on /cygdrive/c type ntfs (binary,posix=3D0,user,noumount,auto) D: on /cygdrive/d type ntfs (binary,posix=3D0,user,noumount,auto) J: on /cygdrive/j type ntfs (binary,posix=3D0,user,noumount,auto) W: on /cygdrive/w type ntfs (binary,posix=3D0,user,noumount,auto) --=20 David Macek --------------ms060603020408070009070301 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature Content-length: 5767 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG 9w0BBwEAAKCCDG8wggYzMIIFG6ADAgECAgMMb3owDQYJKoZIhvcNAQELBQAw gYwxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1TdGFydENvbSBMdGQuMSswKQYD VQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0aWZpY2F0ZSBTaWduaW5nMTgwNgYD 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