[Bug 1691078] Re: cvs FTBFS in artful: dpkg-deb: error: invalid compressor parameters: unknown compression strategy

[Balint Reczey]

I was about to forward the change to BTS to drop the delta soon, but thanks for following up on the issue here.
The problem is in debhelper indedeed and also breaks other builds like groff's one.

Please see the fix for debhelper attached, but i think cvs could also
drop the compression override.


** Patch added: "debhelper_10.2.5ubuntu3.patch"
   https://bugs.launchpad.net/ubuntu/+source/cvs/+bug/1691078/+attachment/4878139/+files/debhelper_10.2.5ubuntu3.patch

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Title:
  cvs FTBFS in artful: dpkg-deb: error: invalid compressor parameters:
  unknown compression strategy

Status in cvs package in Ubuntu:
  New
Status in debhelper package in Ubuntu:
  New

Bug description:
  cvs package fails to build in Artful:

  https://launchpadlibrarian.net/317615278/buildlog_ubuntu-artful-
  amd64.cvs_2%3A1.12.13+real-23_BUILDING.txt.gz :

  ...
  dh_shlibdeps
  dh_gencontrol
  dh_md5sums
  dh_builddeb -- -Zgzip -z9
  INFO: pkgstriptranslations version 131
  pkgstriptranslations: processing cvs-dbgsym (in debian/.debhelper/cvs/dbgsym-root); do_strip: 1, oemstrip: 
  pkgstriptranslations: cvs-dbgsym does not contain translations, skipping
  pkgstriptranslations: no translation files, not creating tarball
  pkgmaintainermangler: Maintainer field overridden to "Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>"
  pkgstripfiles: processing control file: debian/.debhelper/cvs/dbgsym-root/DEBIAN/control, package cvs-dbgsym, directory debian/.debhelper/cvs/dbgsym-root
  pkgstripfiles: Running PNG optimization (using 4 cpus) for package cvs-dbgsym ...
  pkgstripfiles: No PNG files.
  dpkg-deb: error: invalid compressor parameters: unknown compression strategy

  Type dpkg-deb --help for help about manipulating *.deb files;
  Type dpkg --help for help about installing and deinstalling packages.
  dh_builddeb.pkgbinarymangler: dpkg-deb -z1 -Zxz -Sextreme -Zgzip -z9 --build debian/.debhelper/cvs/dbgsym-root debian/.debhelper/scratch-space/build-cvs returned exit code 2
   dpkg-genbuildinfo --build=binary
  dpkg-genbuildinfo: error: cannot fstat file ../cvs-dbgsym_1.12.13+real-23_amd64.ddeb: No such file or directory
  dpkg-buildpackage: error: dpkg-genbuildinfo --build=binary gave error exit status 2
  --------------------------------------------------------------------------------
  Build finished at 20170429-2353
  ...

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