[Bug 1764220] Re: [FFe] dpkg zstd support

[Balint Reczey]

** Bug watch added: Debian Bug tracker #892664
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=892664

** Also affects: dpkg via
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=892664
   Importance: Unknown
       Status: Unknown

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Title:
  [FFe] dpkg zstd support

Status in dpkg:
  Unknown
Status in dpkg package in Ubuntu:
  Triaged

Bug description:
  As discussed previously, we want to have zstd support in 18.04 to
  evaluate and potentially enable it in later releases.

  The zstd support adds a dependency on libzstd1 to dpkg. This should
  not have any effect on live images, since libzstd1 is part of the
  various live tasks, as btrfs-progs need it. For installed systems,
  this might be a new dependency (if they do not use btrfs, tor, or some
  other tools), so an increase of ~520 KB, as that's the size of the
  library and the library only depends on libc6.

  The change is isolated, it adds the compressor and decompressor to
  dpkg, please see the attached patch for the details.

  The change is being discussed here:
  https://lists.ubuntu.com/archives/ubuntu-devel/2018-March/040211.html
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=892664

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