Unexpected behavior when given relative pathnames.

[gpk]

Binary package hint: unionfs-fuse

Unionfs-fuse does strange things when I tell it to create a union of two directories, and I specify them via relative pathnames. I look into the resulting directory and I see the root filesystem.

To recreate the problem:
$ cd $HOME
$ mkdir foo bar gleep
$ echo one >foo/one
$ echo two >bar/two
$ unionfs-fuse -o cow foo=RW:bar=RO gleep
$ ls gleep
bin etc lib media root sys vmlinuz
boot home lib32 mnt sbin tmp vmlinuz.old
cdrom initrd.img lib64 opt selinux usr xorg.conf.new
dev initrd.img.old lost+found proc srv var
$

Of course, what we expected to see was "one" and "two".

You can get that by using absolute pathnames:
$ fusermount -u gleep
$ unionfs-fuse -o cow $HOME/foo=RW:$HOME/bar=RO gleep
$ ls gleep
one two
$

These two invocations should be equivalent. Therefore, there is a
bug in the way unionfs-fuse handles relative pathnames.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: unionfs-fuse 0.23.hg.20090611-1
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Tue Dec 14 19:58:44 2010
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
ProcEnviron:
 PATH=(custom, user)
 LANG=en_GB.utf8
 SHELL=/bin/bash
SourcePackage: unionfs-fuse

[Bernd Schubert (aakef)]

Please use a more recent version, e.g. from my Launchpad. Sorry, I have no time to push a new version into Debian till at least mid of January (it fails to upload due to a dependency problem with kfreebsd, which also then blocks a ubuntu upload).

https://launchpad.net/~aakef/+archive/ppa

[gpk (gpk-kochanski)]

I tried, but I'm running 64-bit, and there doesn't seem to be a 64 bit
version there:

Hit http://gb.archive.ubuntu.com maverick-proposed/universe amd64 Packages
W: Failed to fetch
http://ppa.launchpad.net/aakef/ppa/ubuntu/dists/maverick/main/source/Sources.gz
  404 Not Found

W: Failed to fetch
http://ppa.launchpad.net/aakef/ppa/ubuntu/dists/maverick/main/binary-amd64/Packages.gz
  404 Not Found

E: Some index files failed to download, they have been ignored, or old
ones used instead.
nglap:~$

On 14/12/10 21:00, Bernd Schubert wrote:
> Please use a more recent version, e.g. from my Launchpad. Sorry, I have
> no time to push a new version into Debian till at least mid of January
> (it fails to upload due to a dependency problem with kfreebsd, which
> also then blocks a ubuntu upload).
>
> https://launchpad.net/~aakef/+archive/ppa
>

[Bernd Schubert (aakef)]

No, sorry no version for maverick yet, you will need to use packages for lucid.

deb http://ppa.launchpad.net/aakef/ppa/ubuntu lucid main

Cheers,
Bernd