Package: gmt-coast-low,gmt-gshhs-low
Version: gmt-coast-low/1:2.1.1-1
Version: gmt-gshhs-low/2.2.0-1
Severity: serious
User: trei...@debian.org
Usertags: edos-file-overwrite

Date: 2012-03-15
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!
  libkeyutils1 libkrb5support0 libk5crypto3 libkrb5-3 libgssapi-krb5-2
  libsasl2-2 libldap-2.4-2 librtmp0 libssh2-1 libcurl3-gnutls libquadmath0
  libgfortran3 x11-common libice6 libsm6 libxau6 libxdmcp6 libxcb1 libx11-data
  libx11-6 libxext6 libxt6 libxmu6 libxpm4 libxaw7 bzip2 libhdf5-7 libnetcdfc7
  libgmt4 gmt gmt-coast-low gmt-gshhs-low

Extracting templates from packages: 93%
Extracting templates from packages: 100%
Preconfiguring packages ...
Authentication warning overridden.
Can not write log, openpty() failed (/dev/pts not mounted?)
Selecting previously unselected package libkeyutils1.
(Reading database ... 10557 files and directories currently installed.)
Unpacking libkeyutils1 (from .../libkeyutils1_1.5.2-2_amd64.deb) ...
Selecting previously unselected package libkrb5support0.
Unpacking libkrb5support0 (from 
.../libkrb5support0_1.10+dfsg~beta1-2_amd64.deb) ...
Selecting previously unselected package libk5crypto3.
Unpacking libk5crypto3 (from .../libk5crypto3_1.10+dfsg~beta1-2_amd64.deb) ...
Selecting previously unselected package libkrb5-3.
Unpacking libkrb5-3 (from .../libkrb5-3_1.10+dfsg~beta1-2_amd64.deb) ...
Selecting previously unselected package libgssapi-krb5-2.
Unpacking libgssapi-krb5-2 (from 
.../libgssapi-krb5-2_1.10+dfsg~beta1-2_amd64.deb) ...
Selecting previously unselected package libsasl2-2.
Unpacking libsasl2-2 (from .../libsasl2-2_2.1.25.dfsg1-4_amd64.deb) ...
Selecting previously unselected package libldap-2.4-2.
Unpacking libldap-2.4-2 (from .../libldap-2.4-2_2.4.28-1.1_amd64.deb) ...
Selecting previously unselected package librtmp0.
Unpacking librtmp0 (from .../librtmp0_2.4+20111222.git4e06e21-1_amd64.deb) ...
Selecting previously unselected package libssh2-1.
Unpacking libssh2-1 (from .../libssh2-1_1.2.8-2_amd64.deb) ...
Selecting previously unselected package libcurl3-gnutls.
Unpacking libcurl3-gnutls (from .../libcurl3-gnutls_7.24.0-1_amd64.deb) ...
Selecting previously unselected package libquadmath0.
Unpacking libquadmath0 (from .../libquadmath0_4.6.3-1_amd64.deb) ...
Selecting previously unselected package libgfortran3.
Unpacking libgfortran3 (from .../libgfortran3_4.6.3-1_amd64.deb) ...
Selecting previously unselected package x11-common.
Unpacking x11-common (from .../x11-common_1%3a7.6+12_all.deb) ...
Selecting previously unselected package libice6.
Unpacking libice6 (from .../libice6_2%3a1.0.7-2_amd64.deb) ...
Selecting previously unselected package libsm6.
Unpacking libsm6 (from .../libsm6_2%3a1.2.0-2_amd64.deb) ...
Selecting previously unselected package libxau6.
Unpacking libxau6 (from .../libxau6_1%3a1.0.6-4_amd64.deb) ...
Selecting previously unselected package libxdmcp6.
Unpacking libxdmcp6 (from .../libxdmcp6_1%3a1.1.0-4_amd64.deb) ...
Selecting previously unselected package libxcb1.
Unpacking libxcb1 (from .../libxcb1_1.8.1-1_amd64.deb) ...
Selecting previously unselected package libx11-data.
Unpacking libx11-data (from .../libx11-data_2%3a1.4.4-4_all.deb) ...
Selecting previously unselected package libx11-6.
Unpacking libx11-6 (from .../libx11-6_2%3a1.4.4-4_amd64.deb) ...
Selecting previously unselected package libxext6.
Unpacking libxext6 (from .../libxext6_2%3a1.3.0-3_amd64.deb) ...
Selecting previously unselected package libxt6.
Unpacking libxt6 (from .../libxt6_1%3a1.1.1-2_amd64.deb) ...
Selecting previously unselected package libxmu6.
Unpacking libxmu6 (from .../libxmu6_2%3a1.1.0-3_amd64.deb) ...
Selecting previously unselected package libxpm4.
Unpacking libxpm4 (from .../libxpm4_1%3a3.5.9-4_amd64.deb) ...
Selecting previously unselected package libxaw7.
Unpacking libxaw7 (from .../libxaw7_2%3a1.0.9-3_amd64.deb) ...
Selecting previously unselected package bzip2.
Unpacking bzip2 (from .../bzip2_1.0.6-1_amd64.deb) ...
Selecting previously unselected package libhdf5-7.
Unpacking libhdf5-7 (from .../libhdf5-7_1.8.8-9_amd64.deb) ...
Selecting previously unselected package libnetcdfc7.
Unpacking libnetcdfc7 (from .../libnetcdfc7_1%3a4.1.3-6_amd64.deb) ...
Selecting previously unselected package libgmt4.
Unpacking libgmt4 (from .../libgmt4_4.5.7-1_amd64.deb) ...
Selecting previously unselected package gmt.
Unpacking gmt (from .../archives/gmt_4.5.7-1_amd64.deb) ...
Selecting previously unselected package gmt-coast-low.
Unpacking gmt-coast-low (from .../gmt-coast-low_1%3a2.1.1-1_all.deb) ...
Selecting previously unselected package gmt-gshhs-low.
Unpacking gmt-gshhs-low (from .../gmt-gshhs-low_2.2.0-1_all.deb) ...
dpkg: error processing /var/cache/apt/archives/gmt-gshhs-low_2.2.0-1_all.deb 
(--unpack):
 trying to overwrite '/usr/share/gmt/coast/binned_border_c.cdf', which is also 
in package gmt-coast-low 1:2.1.1-1
configured to not write apport reports
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Processing triggers for man-db ...
Errors were encountered while processing:
 /var/cache/apt/archives/gmt-gshhs-low_2.2.0-1_all.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/share/gmt/coast/binned_GSHHS_c.cdf
  /usr/share/gmt/coast/binned_GSHHS_i.cdf
  /usr/share/gmt/coast/binned_GSHHS_l.cdf
  /usr/share/gmt/coast/binned_border_c.cdf
  /usr/share/gmt/coast/binned_border_i.cdf
  /usr/share/gmt/coast/binned_border_l.cdf
  /usr/share/gmt/coast/binned_river_c.cdf
  /usr/share/gmt/coast/binned_river_i.cdf
  /usr/share/gmt/coast/binned_river_l.cdf

This bug has been filed against 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. You may then
also register in the BTS that the other package is affected by the bug.

-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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