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Bug#810809: gnat-6-<triplet>, libgnat{prj, vsn}6-dev-<arch>-cross: fails to upgrade from 'sid' - trying to overwrite /usr/bin/<triplet>-gnatxref, /usr/<triplet>/lib/libgnat{vsn, prj}.a



Source: gcc-6-cross
Version: 6-20160109-1cross1
Severity: serious
User: debian-qa@lists.debian.org
Usertags: piuparts

Hi,

During a test with piuparts I noticed your package fails to upgrade from
'sid' to 'experimental'.
It installed fine in 'sid', then the upgrade to 'experimental' fails
because it tries to overwrite other packages files without declaring a
Breaks+Replaces relation.

See policy 7.6 at
https://www.debian.org/doc/debian-policy/ch-relationships.html#s-replaces

>From the attached log (scroll to the bottom...):
(log from arm64-cross, but the file conflict happens on all cross architectures)

  Selecting previously unselected package gnat-6-aarch64-linux-gnu.
  Preparing to unpack .../gnat-6-aarch64-linux-gnu_6-20160109-1cross1_amd64.deb ...
  Unpacking gnat-6-aarch64-linux-gnu (6-20160109-1cross1) ...
  dpkg: error processing archive /var/cache/apt/archives/gnat-6-aarch64-linux-gnu_6-20160109-1cross1_amd64.deb (--unpack):
   trying to overwrite '/usr/bin/aarch64-linux-gnu-gnatxref', which is also in package gnat-5-aarch64-linux-gnu 5.3.1-5cross1
  Selecting previously unselected package libgnatvsn6-arm64-cross.
  Preparing to unpack .../libgnatvsn6-arm64-cross_6-20160109-1cross1_all.deb ...
  Unpacking libgnatvsn6-arm64-cross (6-20160109-1cross1) ...
  Selecting previously unselected package libgnatprj6-arm64-cross.
  Preparing to unpack .../libgnatprj6-arm64-cross_6-20160109-1cross1_all.deb ...
  Unpacking libgnatprj6-arm64-cross (6-20160109-1cross1) ...
  Selecting previously unselected package libgnatvsn6-dev-arm64-cross.
  Preparing to unpack .../libgnatvsn6-dev-arm64-cross_6-20160109-1cross1_all.deb ...
  Unpacking libgnatvsn6-dev-arm64-cross (6-20160109-1cross1) ...
  dpkg: error processing archive /var/cache/apt/archives/libgnatvsn6-dev-arm64-cross_6-20160109-1cross1_all.deb (--unpack):
   trying to overwrite '/usr/aarch64-linux-gnu/lib/libgnatvsn.a', which is also in package libgnatvsn5-dev-arm64-cross 5.3.1-5cross1
  dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
  Selecting previously unselected package libgnatprj6-dev-arm64-cross.
  Preparing to unpack .../libgnatprj6-dev-arm64-cross_6-20160109-1cross1_all.deb ...
  Unpacking libgnatprj6-dev-arm64-cross (6-20160109-1cross1) ...
  dpkg: error processing archive /var/cache/apt/archives/libgnatprj6-dev-arm64-cross_6-20160109-1cross1_all.deb (--unpack):
   trying to overwrite '/usr/aarch64-linux-gnu/lib/libgnatprj.a', which is also in package libgnatprj5-dev-arm64-cross 5.3.1-5cross1
  dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
  Processing triggers for libc-bin (2.21-6) ...
  Errors were encountered while processing:
   /var/cache/apt/archives/gnat-6-aarch64-linux-gnu_6-20160109-1cross1_amd64.deb
   /var/cache/apt/archives/libgnatvsn6-dev-arm64-cross_6-20160109-1cross1_all.deb
   /var/cache/apt/archives/libgnatprj6-dev-arm64-cross_6-20160109-1cross1_all.deb


cheers,

Andreas

Attachment: libgnatprj5-dev-arm64-cross=5.3.1-5cross1_libgnatprj6-dev-arm64-cross=6-20160109-1cross1.log.gz
Description: application/gzip


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