[Bug 2093321] Re: [MIR] libpisp

[Dave Jones]

nlohmann-json3 has now been promoted to main, and I've subscribed
foundations to libpisp's bugs (thanks to raof for pointing out I'd
forgotten that!)

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https://bugs.launchpad.net/bugs/2093321

Title:
  [MIR] libpisp

Status in libpisp package in Ubuntu:
  Fix Committed

Bug description:
  [Availability]
  The package libpisp is already in the Ubuntu universe.
  The package libpisp builds for the architectures it is designed to work on.
  It currently builds and works for architectures: arm64, armhf
  Link to package: https://launchpad.net/ubuntu/+source/libpisp

  [Rationale]
  - The package libpisp is required in Ubuntu main for enabling libcamera
  - The package libpisp is a new runtime dependency of the package libcamera that
    we already support
  - The binary package libpisp needs to be in main to have camera support for
    Raspberry Pi 5 and above.
  - The package libpisp is required in Ubuntu main no later than plucky
    release, as this is blocking migration for libcamera and camera
    support for the Raspberry Pi is a high priority on the plucky roadmap.

  [Security]
  - No CVEs/security issues in this software in the past
  - no `suid` or `sgid` binaries
  - no executables in `/sbin` and `/usr/sbin`
  - Package does not install services, timers or recurring jobs
  - Package does not open privileged ports (ports < 1024).
  - Package does not expose any external endpoints
  - Package does not contain extensions to security-sensitive software
    (filters, scanners, plugins, UI skins, ...)

  [Quality assurance - function/usage]
  - The package works well right after install

  [Quality assurance - maintenance]
  - The package is maintained well in Debian/Ubuntu/Upstream and does
    not have too many long-term & critical open bugs
    - Ubuntu https://bugs.launchpad.net/ubuntu/+source/libpisp/+bug
    - GitHub https://github.com/raspberrypi/libpisp
  - The package has no critical open bugs aside from a request for
    usage examples: https://github.com/raspberrypi/libpisp/issues
  - The package does deal with exotic hardware; such hardware is available
    to the team for debugging, testing, verification and development via:
    - an engineering sample in engineers home on Foundations - Architectures
      team, manager Matthieu Clemenceau

  [Quality assurance - testing]
  - The package does not run a test at build time.
  - The package does not run an autopkgtest because it requires special
    hardware (Raspberry Pi 5 and camera modules for libpisp1 and libpisp-dev)
  - The package can not be well tested at build or autopkgtest time
    because it requires special hardware like Raspberry Pi 5 and a
    camera module. To make up for that:
    - We have access to such hardware in the team
    - The only use case of libpisp is to enable the new pisp camera driver used
      in Raspberry Pi 5 and above. So, the test for libpisp would be that
      camera modules work on Raspberry Pi 5 and above. This will be part
      of the ISO tests of Ubuntu Desktop images for the Raspberry Pi.
  - This package is minimal and will be tested in a more wide-reaching
    solution context libcamera and rpicam-apps

  [Quality assurance - packaging]
  - debian/watch is present and works
  - debian/control defines a correct Maintainer field
  - This package does not yield massive lintian Warnings, Errors
  - https://launchpadlibrarian.net/769501355/buildlog_ubuntu-plucky-arm64.libpisp_1.0.7-0ubuntu2_BUILDING.txt.gz
  - https://launchpadlibrarian.net/769501354/buildlog_ubuntu-plucky-armhf.libpisp_1.0.7-0ubuntu2_BUILDING.txt.gz
  - lintian --pedantic:
    W: libpisp source: newer-standards-version 4.7.0 (current is 4.6.2)
    P: libpisp source: trailing-whitespace [debian/changelog:6]
  - Lintian overrides are not present
  - This package does not rely on obsolete or about-to-be-demoted packages.
  - This package has no python2 or GTK2 dependencies
  - The package will be installed by default but does not ask debconf
    questions higher than medium
  - Packaging and build is easy; link to debian/rules:
    https://git.launchpad.net/ubuntu/+source/libpisp/tree/debian/rules

  [UI standards]
  - Application is not end-user facing (does not need translation)

  [Dependencies]
  - There are further dependencies that are not yet in main (nlohmann-json3):
    https://bugs.launchpad.net/ubuntu/+source/nlohmann-json3/+bug/2093868

  [Standards compliance]
  - This package correctly follows FHS and Debian Policy

  [Maintenance/Owner]
  - The owning team will be Ubuntu Foundations - Architectures, and I have
    their acknowledgement of that commitment
  - This does not use static builds
  - This does not use vendor code
  - This package is not rust-based
  - The package has been built within the last 3 months in the archive
  - The package has been built within the last 3 months in PPA
  - Build link on launchpad:
    - https://launchpadlibrarian.net/764085619/buildlog_ubuntu-plucky-arm64.libpisp_1.0.7-0ubuntu1_BUILDING.txt.gz
    - https://launchpadlibrarian.net/769501355/buildlog_ubuntu-plucky-arm64.libpisp_1.0.7-0ubuntu2_BUILDING.txt.gz

  [Background information]
  The Package description explains the package well
  Upstream Name is libpisp
  Link to upstream project: https://github.com/raspberrypi/libpisp
  This library is essential for the new PiSP camera drivers for the Raspberry Pi 5
  in libcamera, and if not added to main blocks migration of libcamera.

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