Package: libmovit1,libmovit2
Version: libmovit1/1.0.3-1
Version: libmovit2/1.1-1
Severity: serious
User: trei...@debian.org
Usertags: edos-file-overwrite

Date: 2014-04-11
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:



Extracting templates from packages: 93%
Extracting templates from packages: 100%
Preconfiguring packages ...
Selecting previously unselected package libdrm2:amd64.
(Reading database ... 10937 files and directories currently installed.)
Preparing to unpack .../libdrm2_2.4.52-1_amd64.deb ...
Unpacking libdrm2:amd64 (2.4.52-1) ...
Selecting previously unselected package libgomp1:amd64.
Preparing to unpack .../libgomp1_4.8.2-19_amd64.deb ...
Unpacking libgomp1:amd64 (4.8.2-19) ...
Selecting previously unselected package libfftw3-double3:amd64.
Preparing to unpack .../libfftw3-double3_3.3.4-1_amd64.deb ...
Unpacking libfftw3-double3:amd64 (3.3.4-1) ...
Selecting previously unselected package libglapi-mesa:amd64.
Preparing to unpack .../libglapi-mesa_10.1.0-5_amd64.deb ...
Unpacking libglapi-mesa:amd64 (10.1.0-5) ...
Selecting previously unselected package libxau6:amd64.
Preparing to unpack .../libxau6_1%3a1.0.8-1_amd64.deb ...
Unpacking libxau6:amd64 (1:1.0.8-1) ...
Selecting previously unselected package libxdmcp6:amd64.
Preparing to unpack .../libxdmcp6_1%3a1.1.1-1_amd64.deb ...
Unpacking libxdmcp6:amd64 (1:1.1.1-1) ...
Selecting previously unselected package libxcb1:amd64.
Preparing to unpack .../libxcb1_1.10-2_amd64.deb ...
Unpacking libxcb1:amd64 (1.10-2) ...
Selecting previously unselected package libx11-data.
Preparing to unpack .../libx11-data_2%3a1.6.2-1_all.deb ...
Unpacking libx11-data (2:1.6.2-1) ...
Selecting previously unselected package libx11-6:amd64.
Preparing to unpack .../libx11-6_2%3a1.6.2-1_amd64.deb ...
Unpacking libx11-6:amd64 (2:1.6.2-1) ...
Selecting previously unselected package libx11-xcb1:amd64.
Preparing to unpack .../libx11-xcb1_2%3a1.6.2-1_amd64.deb ...
Unpacking libx11-xcb1:amd64 (2:1.6.2-1) ...
Selecting previously unselected package libxcb-dri2-0:amd64.
Preparing to unpack .../libxcb-dri2-0_1.10-2_amd64.deb ...
Unpacking libxcb-dri2-0:amd64 (1.10-2) ...
Selecting previously unselected package libxcb-dri3-0:amd64.
Preparing to unpack .../libxcb-dri3-0_1.10-2_amd64.deb ...
Unpacking libxcb-dri3-0:amd64 (1.10-2) ...
Selecting previously unselected package libxcb-glx0:amd64.
Preparing to unpack .../libxcb-glx0_1.10-2_amd64.deb ...
Unpacking libxcb-glx0:amd64 (1.10-2) ...
Selecting previously unselected package libxcb-present0:amd64.
Preparing to unpack .../libxcb-present0_1.10-2_amd64.deb ...
Unpacking libxcb-present0:amd64 (1.10-2) ...
Selecting previously unselected package libxcb-sync1:amd64.
Preparing to unpack .../libxcb-sync1_1.10-2_amd64.deb ...
Unpacking libxcb-sync1:amd64 (1.10-2) ...
Selecting previously unselected package libxfixes3:amd64.
Preparing to unpack .../libxfixes3_1%3a5.0.1-1_amd64.deb ...
Unpacking libxfixes3:amd64 (1:5.0.1-1) ...
Selecting previously unselected package libxdamage1:amd64.
Preparing to unpack .../libxdamage1_1%3a1.1.4-1_amd64.deb ...
Unpacking libxdamage1:amd64 (1:1.1.4-1) ...
Selecting previously unselected package libxext6:amd64.
Preparing to unpack .../libxext6_2%3a1.3.2-1_amd64.deb ...
Unpacking libxext6:amd64 (2:1.3.2-1) ...
Selecting previously unselected package libxshmfence1:amd64.
Preparing to unpack .../libxshmfence1_1.1-2_amd64.deb ...
Unpacking libxshmfence1:amd64 (1.1-2) ...
Selecting previously unselected package libxxf86vm1:amd64.
Preparing to unpack .../libxxf86vm1_1%3a1.1.3-1_amd64.deb ...
Unpacking libxxf86vm1:amd64 (1:1.1.3-1) ...
Selecting previously unselected package libgl1-mesa-glx:amd64.
Preparing to unpack .../libgl1-mesa-glx_10.1.0-5_amd64.deb ...
Unpacking libgl1-mesa-glx:amd64 (10.1.0-5) ...
Selecting previously unselected package libxi6:amd64.
Preparing to unpack .../libxi6_2%3a1.7.2-1_amd64.deb ...
Unpacking libxi6:amd64 (2:1.7.2-1) ...
Selecting previously unselected package x11-common.
Preparing to unpack .../x11-common_1%3a7.7+7_all.deb ...
Unpacking x11-common (1:7.7+7) ...
Selecting previously unselected package libice6:amd64.
Preparing to unpack .../libice6_2%3a1.0.8-2_amd64.deb ...
Unpacking libice6:amd64 (2:1.0.8-2) ...
Selecting previously unselected package libsm6:amd64.
Preparing to unpack .../libsm6_2%3a1.2.1-2_amd64.deb ...
Unpacking libsm6:amd64 (2:1.2.1-2) ...
Selecting previously unselected package libxt6:amd64.
Preparing to unpack .../libxt6_1%3a1.1.4-1_amd64.deb ...
Unpacking libxt6:amd64 (1:1.1.4-1) ...
Selecting previously unselected package libxmu6:amd64.
Preparing to unpack .../libxmu6_2%3a1.1.1-1_amd64.deb ...
Unpacking libxmu6:amd64 (2:1.1.1-1) ...
Selecting previously unselected package libglew1.10:amd64.
Preparing to unpack .../libglew1.10_1.10.0-3_amd64.deb ...
Unpacking libglew1.10:amd64 (1.10.0-3) ...
Selecting previously unselected package libglu1-mesa:amd64.
Preparing to unpack .../libglu1-mesa_9.0.0-2_amd64.deb ...
Unpacking libglu1-mesa:amd64 (9.0.0-2) ...
Selecting previously unselected package libmovit1.
Preparing to unpack .../libmovit1_1.0.3-1_amd64.deb ...
Unpacking libmovit1 (1.0.3-1) ...
Selecting previously unselected package libepoxy0.
Preparing to unpack .../libepoxy0_1.1-1_amd64.deb ...
Unpacking libepoxy0 (1.1-1) ...
Selecting previously unselected package libmovit2.
Preparing to unpack .../libmovit2_1.1-1_amd64.deb ...
Unpacking libmovit2 (1.1-1) ...
dpkg: error processing archive 
/var/cache/apt/archives/libmovit2_1.1-1_amd64.deb (--unpack):
 trying to overwrite '/usr/share/movit/mirror_effect.frag', which is also in 
package libmovit1 1.0.3-1
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Processing triggers for man-db (2.6.7.1-1) ...
Errors were encountered while processing:
 /var/cache/apt/archives/libmovit2_1.1-1_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/share/movit/alpha_division_effect.frag
  /usr/share/movit/alpha_multiplication_effect.frag
  /usr/share/movit/blur_effect.frag
  /usr/share/movit/colorspace_conversion_effect.frag
  /usr/share/movit/complex_modulate_effect.frag
  /usr/share/movit/deconvolution_sharpen_effect.frag
  /usr/share/movit/dither_effect.frag
  /usr/share/movit/fft_pass_effect.frag
  /usr/share/movit/flat_input.frag
  /usr/share/movit/footer.frag
  /usr/share/movit/gamma_compression_effect.frag
  /usr/share/movit/gamma_expansion_effect.frag
  /usr/share/movit/header.frag
  /usr/share/movit/highlight_cutoff_effect.frag
  /usr/share/movit/lift_gamma_gain_effect.frag
  /usr/share/movit/luma_mix_effect.frag
  /usr/share/movit/mirror_effect.frag
  /usr/share/movit/mix_effect.frag
  /usr/share/movit/multiply_effect.frag
  /usr/share/movit/overlay_effect.frag
  /usr/share/movit/overlay_matte_effect.frag
  /usr/share/movit/padding_effect.frag
  /usr/share/movit/resample_effect.frag
  /usr/share/movit/sandbox_effect.frag
  /usr/share/movit/saturation_effect.frag
  /usr/share/movit/slice_effect.frag
  /usr/share/movit/texture1d.frag
  /usr/share/movit/vignette_effect.frag
  /usr/share/movit/vs.vert
  /usr/share/movit/white_balance_effect.frag
  /usr/share/movit/ycbcr_input.frag

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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