Package: fakechroot
Version: 2.9-1
Severity: normal

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So we (debirf maintainers) have stumbled upon a strangeness in the
behavior of getcwd() under fakechroot.  It appears that the path gets
confused depending on if the chroot root path has been specified as a
relative path or not:

servo:/srv/debirf/rescue 0$ fakeroot fakechroot chroot root pwd
/
servo:/srv/debirf/rescue 0$ fakeroot fakechroot chroot /srv/debirf/rescue/root 
pwd
/
servo:/srv/debirf/rescue 0$ fakeroot fakechroot chroot ./root pwd
/srv/debirf/rescue/root
servo:/srv/debirf/rescue 0$ 

In the last case, where the root is specified as a relative path to
the current path, getcwd() in the fakechroot (as called from 'pwd')
returns a "jailbroken" path.  This causes problems for some programs,
most notably apt-get:

servo:/srv/debirf/rescue 0$ fakeroot fakechroot chroot ./root apt-get update
Get: 1 http://mirrors.kernel.org squeeze Release.gpg [835B]
Ign http://mirrors.kernel.org squeeze/main Translation-en_US
Get: 2 http://mirrors.kernel.org squeeze Release [96.5kB]
Get: 3 http://mirrors.kernel.org squeeze/main Packages/DiffIndex [2,038B]       
                                                                                
       
Get: 4 http://mirrors.kernel.org squeeze/main 2009-09-28-0316.44.pdiff [11.9kB] 
                                                                                
       
Get: 5 http://mirrors.kernel.org squeeze/main 2009-09-28-0316.44.pdiff [11.9kB] 
                                                                                
       
Get: 6 http://mirrors.kernel.org squeeze/main 2009-09-28-0316.44.pdiff [11.9kB] 
                                                                                
       
Fetched 111kB in 16s (6,603B/s)                                                 
                                                                                
       
E: Unable to change to /srv/debirf/rescue/root/ - chdir (2: No such file or 
directory)
servo:/srv/debirf/rescue 100$ 

(curiously aptitude does not seem bothered).  I imagine there might be
an easy fix to this, but more skilled eyes can probably come up with
one much quicker than I ever could.

Thanks for the help, and thanks for maintaining an important tool.

jamie.

- -- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (500, 'testing'), (200, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.30-1-686 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages fakechroot depends on:
ii  libc6                         2.9-25     GNU C Library: Shared libraries

fakechroot recommends no packages.

fakechroot suggests no packages.

- -- no debconf information

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