Package: lesstif2-dbg,libmotif4-dbg
Version: lesstif2-dbg/1:0.95.2-1
Version: libmotif4-dbg/2.3.3-3
Severity: serious
User: trei...@debian.org
Usertags: edos-file-overwrite

Date: 2010-08-17
Architecture: amd64
Distribution: sid

Hi,

automatic installation tests of packages that share a file and at the
same time do not conflict by their package dependency relationships has
detected the following problem:


WARNING: The following packages cannot be authenticated!
  x11-common libice6 libsm6 libxau6 libxdmcp6 libxcb1 libx11-data libx11-6
  libxext6 libfreetype6 ucf ttf-dejavu-core fontconfig-config libfontconfig1
  libxrender1 libxft2 libxt6 libxmu6 libxp6 libmotif4 lesstif2 lesstif2-dbg
  libmotif4-dbg
Preconfiguring packages ...
Authentication warning overridden.
Can not write log, openpty() failed (/dev/pts not mounted?)
Selecting previously deselected package x11-common.
(Reading database ... 12251 files and directories currently installed.)
Unpacking x11-common (from .../x11-common_1%3a7.5+6_all.deb) ...
Selecting previously deselected package libice6.
Unpacking libice6 (from .../libice6_2%3a1.0.6-1_amd64.deb) ...
Selecting previously deselected package libsm6.
Unpacking libsm6 (from .../libsm6_2%3a1.1.1-1_amd64.deb) ...
Selecting previously deselected package libxau6.
Unpacking libxau6 (from .../libxau6_1%3a1.0.6-1_amd64.deb) ...
Selecting previously deselected package libxdmcp6.
Unpacking libxdmcp6 (from .../libxdmcp6_1%3a1.0.3-2_amd64.deb) ...
Selecting previously deselected package libxcb1.
Unpacking libxcb1 (from .../libxcb1_1.6-1_amd64.deb) ...
Selecting previously deselected package libx11-data.
Unpacking libx11-data (from .../libx11-data_2%3a1.3.3-3_all.deb) ...
Selecting previously deselected package libx11-6.
Unpacking libx11-6 (from .../libx11-6_2%3a1.3.3-3_amd64.deb) ...
Selecting previously deselected package libxext6.
Unpacking libxext6 (from .../libxext6_2%3a1.1.2-1_amd64.deb) ...
Selecting previously deselected package libfreetype6.
Unpacking libfreetype6 (from .../libfreetype6_2.4.2-1_amd64.deb) ...
Selecting previously deselected package ucf.
Unpacking ucf (from .../archives/ucf_3.0025_all.deb) ...
Moving old data out of the way
Selecting previously deselected package ttf-dejavu-core.
Unpacking ttf-dejavu-core (from .../ttf-dejavu-core_2.31-1_all.deb) ...
Selecting previously deselected package fontconfig-config.
Unpacking fontconfig-config (from .../fontconfig-config_2.8.0-2.1_all.deb) ...
Selecting previously deselected package libfontconfig1.
Unpacking libfontconfig1 (from .../libfontconfig1_2.8.0-2.1_amd64.deb) ...
Selecting previously deselected package libxrender1.
Unpacking libxrender1 (from .../libxrender1_1%3a0.9.6-1_amd64.deb) ...
Selecting previously deselected package libxft2.
Unpacking libxft2 (from .../libxft2_2.1.14-2_amd64.deb) ...
Selecting previously deselected package libxt6.
Unpacking libxt6 (from .../libxt6_1%3a1.0.7-1_amd64.deb) ...
Selecting previously deselected package libxmu6.
Unpacking libxmu6 (from .../libxmu6_2%3a1.0.5-1_amd64.deb) ...
Selecting previously deselected package libxp6.
Unpacking libxp6 (from .../libxp6_1%3a1.0.0.xsf1-2_amd64.deb) ...
Processing triggers for man-db ...
Can not write log, openpty() failed (/dev/pts not mounted?)
Setting up x11-common (1:7.5+6) ...
Can not write log, openpty() failed (/dev/pts not mounted?)
Selecting previously deselected package libmotif4.
(Reading database ... 12721 files and directories currently installed.)
Unpacking libmotif4 (from .../libmotif4_2.3.3-3_amd64.deb) ...
Selecting previously deselected package lesstif2.
Unpacking lesstif2 (from .../lesstif2_1%3a0.95.2-1_amd64.deb) ...
Selecting previously deselected package lesstif2-dbg.
Unpacking lesstif2-dbg (from .../lesstif2-dbg_1%3a0.95.2-1_amd64.deb) ...
Selecting previously deselected package libmotif4-dbg.
Unpacking libmotif4-dbg (from .../libmotif4-dbg_2.3.3-3_amd64.deb) ...
dpkg: error processing /var/cache/apt/archives/libmotif4-dbg_2.3.3-3_amd64.deb 
(--unpack):
 trying to overwrite '/usr/lib/debug/usr/bin/uil', which is also in package 
lesstif2-dbg 1:0.95.2-1
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/libmotif4-dbg_2.3.3-3_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)


This is a serious bug as it makes installation fail, and violates
sections 7.6.1 and 10.1 of the policy. An optimal solution would
consist in only one of the packages installing that file, and renaming
or removing the file in the other package. Depending on the
circumstances you might also consider Replace relations or file
diversions. If the conflicting situation cannot be resolved then, as a
last resort, the two packages have to declare a mutual
Conflict. Please take into account that Replaces, Conflicts and
diversions should only be used when packages provide different
implementations for the same functionality.

Here is a list of files that are known to be shared by both packages
(according to the Contents file for sid/amd64, which may be
slightly out of sync):

  /usr/lib/debug/usr/bin/mwm
  /usr/lib/debug/usr/bin/uil
  /usr/lib/debug/usr/bin/xmbind

This bug is assigned to both packages. If you, the maintainers of
the two packages in question, have agreed on which of the packages will
resolve the problem please reassign the bug to that package.

-Ralf.

PS: for more information about the detection of file overwrite errors
of this kind see http://edos.debian.net/file-overwrites/.



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