From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ramsay Jones Subject: Re: Bug: t5813 failing on Cygwin Date: Sat, 7 Nov 2015 21:21:11 +0000 Message-ID: <563E6B47.5000807@ramsayjones.plus.com> References: <563DEA71.1080808@dinwoodie.org> <20151107184527.GA4483@sigill.intra.peff.net> <20151107192029.GW14466@dinwoodie.org> <1446930165.16957.9.camel@kaarsemaker.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: git@vger.kernel.org, Junio C Hamano To: Dennis Kaarsemaker , Adam Dinwoodie , Jeff King X-From: git-owner@vger.kernel.org Sat Nov 07 22:21:28 2015 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZvAvP-00050N-AB for gcvg-git-2@plane.gmane.org; Sat, 07 Nov 2015 22:21:27 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754520AbbKGVVW (ORCPT ); Sat, 7 Nov 2015 16:21:22 -0500 Received: from avasout01.plus.net ([84.93.230.227]:52590 "EHLO avasout01.plus.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753135AbbKGVVV (ORCPT ); Sat, 7 Nov 2015 16:21:21 -0500 Received: from [10.0.2.15] ([146.199.93.105]) by avasout01 with smtp id elMJ1r0012GQ2gJ01lMK3Y; Sat, 07 Nov 2015 21:21:20 +0000 X-CM-Score: 0.00 X-CNFS-Analysis: v=2.1 cv=MbeRwMLf c=1 sm=1 tr=0 a=SWxm+s7FAPvPP0IAAWI2og==:117 a=SWxm+s7FAPvPP0IAAWI2og==:17 a=0Bzu9jTXAAAA:8 a=EBOSESyhAAAA:8 a=IkcTkHD0fZMA:10 a=tlGd1AaCrvFmyQjEw_cA:9 a=QEXdDO2ut3YA:10 X-AUTH: ramsayjones@:2500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 In-Reply-To: <1446930165.16957.9.camel@kaarsemaker.net> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: On 07/11/15 21:02, Dennis Kaarsemaker wrote: > On za, 2015-11-07 at 19:20 +0000, Adam Dinwoodie wrote: >> On Sat, Nov 07, 2015 at 01:45:27PM -0500, Jeff King wrote: >>> On Sat, Nov 07, 2015 at 12:11:29PM +0000, Adam Dinwoodie wrote: >>> >>>> Specifically, I'm seeing t5813 subtests 9-13 and 15-19 failing. >>>> This happens >>>> with a clean build straight from the Git source tree (git clean >>>> -dfx && make >>>> configure && ./configure && make && cd t && ./t5813-proto-disable >>>> -ssh.sh) as >>>> well as builds using the Cygwin packaging paraphernalia. >>> >>> What does the output of "./t5813-proto-disable-ssh.sh -v -i" show? >>> >>> It seems strange that it would fail only on Cygwin; this code >>> doesn't >>> really use any platform-dependent features. It's also weird that it >>> fails _only_ for ssh, and _only_ on the tests that are using >>> "ssh://" >>> URLs are not "host:path" syntax. >> >> Ah! I thought I'd checked that already, but looking at the output >> now I >> can see what's going wrong. Cutting down to the relevant error: >> >> ssh: remote git-upload-pack '//home/Adam/vcs/Cygwin-Git/git-2.6.2 >> -1.x86_64/build/t/trash directory.t5813-proto-disable >> -ssh/remote/repo.git' fatal: '//home/Adam/vcs/Cygwin-Git/git-2.6.2 >> -1.x86_64/build/t/trash directory.t5813-proto-disable >> -ssh/remote/repo.git' does not appear to be a git repository >> >> Note the '//' at the start of the path -- on most *nix systems '//' >> is >> effectively identical to '/'. On Cygwin, however, '//' is used to >> access Windows UNC paths: what Windows calls "\\server\share", Cygwin >> calls "//server/share". If you replace the '//' with '/' you get the >> locatoin of the repository; but here Cygwin is looking for the >> repository in a share called "Adam" on a network server called >> "home"... >> >> I suspect the correct fix here is to fix whatever's causing Git to >> generate a path with that '//'. If nobody else gets to it soon >> (probably on the order of a week before I'll get the chance), I'll go >> code diving and submit a patch. >> >>> I tried building on Linux with the Cygwin build knobs found in >>> config.mak.uname, but I couldn't get it to fail. I also wondered if >>> the >>> test was doing something with the shell that might not be portable, >>> but >>> I don't see anything interesting. >> >> If I recall correctly, the correct interpretation of '//' isn't >> defined >> in POSIX, so whatever's causing that path to be generated is the bit >> that's not fully portable. It looks as though t5813 throwing this up >> is >> just a coincidence rather than it being particularly related to the >> function those tests are actually testing. > > Looks like lib-proto-disable.sh's fake SSH doesn't strip double leading > /'es from the path. Try this patch: > > diff --git a/t/t5813-proto-disable-ssh.sh b/t/t5813-proto-disable > -ssh.sh > index ad877d7..a954ead 100755 > --- a/t/t5813-proto-disable-ssh.sh > +++ b/t/t5813-proto-disable-ssh.sh > @@ -14,7 +14,7 @@ test_expect_success 'setup repository to clone' ' > ' > > test_proto "host:path" ssh "remote:repo.git" > -test_proto "ssh://" ssh "ssh://remote/$PWD/remote/repo.git" > -test_proto "git+ssh://" ssh "git+ssh://remote/$PWD/remote/repo.git" > +test_proto "ssh://" ssh "ssh://remote$PWD/remote/repo.git" > +test_proto "git+ssh://" ssh "git+ssh://remote$PWD/remote/repo.git" Heh, this looks familiar ... see, for example, commit 3a81f33c5. ;-) ATB, Ramsay Jones