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From: Nils Gillmann <ng0@n0.is>
To: Leo Famulari <leo@famulari.name>
Cc: guix-devel@gnu.org
Subject: Re: Redefining the maximum path length [Fwd: Re: [GNUnet-developers] using $TMPDIR instead of /tmp]
Date: Sun, 6 May 2018 20:17:20 +0000	[thread overview]
Message-ID: <20180506201720.ag4u6irpwh4ibnsy@abyayala> (raw)
In-Reply-To: <20180506194950.GC8038@jasmine.lan>

Leo Famulari transcribed 3.0K bytes:
> On Sun, May 06, 2018 at 07:27:46PM +0000, Nils Gillmann wrote:
> > I have inserted a build log of a failing test from
> > GNUnet commit f13af7e7281064380def70d0b4392b4351211655
> 
> [...]
> 
> > TEST: Viewing all stats...FAIL: unexpected output:
> >       osystem                                              other:               43
> >     subsystem                                               test:               42
> > !test-statistics-api                                             test-3:                3
> > 
> > FAIL test_gnunet_statistics.py (exit status: 1)
> 
> [...]
> 
> > Human addition:
> > make[4]: *** [Makefile:1074: test-suite.log] Error 1
> > make[4]: Leaving directory '/tmp/guix-build-gnunet-git1.drv-0/source/src/statistics'
> > make[3]: *** [Makefile:1182: check-TESTS] Error 2
> > make[3]: Leaving directory '/tmp/guix-build-gnunet-git1.drv-0/source/src/statistics'
> > make[2]: *** [Makefile:1281: check-am] Error 2
> > make[2]: Leaving directory '/tmp/guix-build-gnunet-git1.drv-0/source/src/statistics'
> > make[1]: *** [Makefile:550: check-recursive] Error 1
> > make[1]: Leaving directory '/tmp/guix-build-gnunet-git1.drv-0/source/src'
> > make: *** [Makefile:591: check-recursive] Error 1
> > phase `set-path-for-check' failed after 29.2 seconds
> > note: keeping build directory `/tmp/guix-build-gnunet-git1.drv-0'
> > builder for `/gnu/store/daqbvvd3zq2w1aw6w4yz5qm7s5k247ap-gnunet-git1.drv' failed with exit code 1
> > @ build-failed /gnu/store/daqbvvd3zq2w1aw6w4yz5qm7s5k247ap-gnunet-git1.drv - 1 builder for `/gnu/store/daqbvvd3zq2w1aw6w4yz5qm7s5k247ap-gnunet-git1.drv' failed with exit code 1
> > guix build: error: build failed: build of `/gnu/store/daqbvvd3zq2w1aw6w4yz5qm7s5k247ap-gnunet-git1.drv' failed
> 
> [...]
> 
> > With this we get filenames like:
> > /tmp/guix-build-gnunet-git1.drv-0/gnunet/test-gnunet-statistics/.local/share/gnunet/statistics.dat
> > which is an average length. When you just do it in /tmp, you won't experience any difficulties.
> 
> That path is only 98 characters long. What limit do you think it is
> exceeding?

Right, I provided too little context of the log.

Okay, the error is elsewhere in this case, not the path length..

But on topic, I've run into the UNIX_PATH_LENGTH error a couple of times
before when the package name was longer, but not unusual long (let's say
gnunet-variant-flavor-bla..  A little room to wiggle for applications that
do not consider folder naming with the checksums, would be good.

Obviously so far these are corner cases, but even if we decide that we
would not need it today, a discussion if this is something that can be
done, etc etc would be good.

From memory, I think I've only ever encountered this in C based applications
test suites. Everything else just worked.

  reply	other threads:[~2018-05-06 20:17 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-06 18:59 Redefining the maximum path length [Fwd: Re: [GNUnet-developers] using $TMPDIR instead of /tmp] Nils Gillmann
2018-05-06 19:11 ` Leo Famulari
2018-05-06 19:27   ` Nils Gillmann
2018-05-06 19:49     ` Leo Famulari
2018-05-06 20:17       ` Nils Gillmann [this message]
2018-05-07  5:03         ` Pjotr Prins
2018-05-07 16:37           ` Ludovic Courtès

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