[Bug 1917148] Re: ps version is UNKNOWN in procps 2:3.3.16-1ubuntu2

[Łukasz Zemczak]

Hello Mat, or anyone else affected,

Accepted procps into focal-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/procps/2:3.3.16-1ubuntu2.3 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: procps (Ubuntu Focal)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-focal

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https://bugs.launchpad.net/bugs/1917148

Title:
  ps version is UNKNOWN in procps 2:3.3.16-1ubuntu2

Status in procps package in Ubuntu:
  Fix Released
Status in procps source package in Bionic:
  Fix Released
Status in procps source package in Focal:
  Fix Committed
Status in procps source package in Hirsute:
  Fix Released
Status in procps source package in Impish:
  Fix Released

Bug description:
  [Impact]

   * Breakage of tools expecting the version number or the number to substantially match the Debian package version.
   * May confuse users expecting the version to substantially match the Debian package version.
   * Restores behavior to that provided in Groovy/Hirsute+ and Bionic and prior releases.
     - Focal is the only release affected.
   * Backported Debian fix to restore ".tarball-version" file to provide version information during build.
     - Also included the autopkgtests for versioning from the same Debian fix.

  [Test Plan]

   1) Create a Focal (or derived from Focal) system.
   2) Execute "ps --version" or any of the binaries provided by the package with their respective version flags.
   3) Instead of desired output of the version, the output is:
      the invoked binary name followed by "from procps-ng UNKNOWN"
      Example: "ps from procps-ng UNKNOWN"

  [Where problems could occur]

   * This fix could cause issues if applications have come to depend on the incorrect behavior. IE, an application that uses a version string of "UNKNOWN" as part of a heuristic for identifying a Focal system.
   * If the version of procps-ng is incremented, this patch would need to be updated or removed if it is no longer relevant. Otherwise, an incorrect version would be reported by the binaries.

  [Other Info]
   * This change is in Groovy+ and Debian packaging with the same version of procps-ng.
     - Introduced in procps (2:3.3.16-5) unstable in Debian.

  [Original Description]

  From Linux Lint 20.1, so Focal Fossa 20.04.1

  Package procps 2:3.3.16-1ubuntu2

  $ LANG=C ps --version
  ps from procps-ng UNKNOWN

  I don't know if it comes from Ubuntu or upstream.

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