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Goal of this project

The goal is to be able to track the differences between Ubuntu packaging of google-guest-agent and the upstream packaging of google-guest-agent.

We need to be able to annotate/exclude some of these differences to that if the differences change we can report and alert.

Usage

wget --output-document=upstream-control "https://raw.githubusercontent.com/GoogleCloudPlatform/guest-agent/main/packaging/debian/control"
wget --output-document=ubuntu-control "https://git.launchpad.net/ubuntu/+source/google-guest-agent/plain/debian/control?h=applied/ubuntu/noble-devel"
python3 google_guest_agent_packaging_diff_tool.py --upstream-control-file ./upstream-control --ubuntu-control-file ./ubuntu-control

TODO

This project is very much in progress and is currently in POC stage. The following are the things that need to be done:

  • Currently the differences are printed to stdout. We need to add a way to annotate the differences so that we can track them.
  • Add support for other debian packaging file diffs too - not just control file.
  • Report on annotated differences as well as unannotated differences.
  • Exit 1 if there are differences that are not annotated/expected.

The current output is as follow:

❯ python3 google_guest_agent_packaging_diff_tool.py --upstream-control-file ./upstream-control --ubuntu-control-file ./ubuntu-control
Build-Depends
[[{'name': 'debhelper', 'archqual': None, 'version': ('>=', '9.20160709'), 'arch': None, 'restrictions': None}], [{'name': 'dh-golang', 'archqual': None, 'version': ('>=', '1.1'), 'arch': None, 'restrictions': None}], [{'name': 'golang-go', 'archqual': None, 'version': None, 'arch': None, 'restrictions': None}]]
        upstream: debhelper ('>=', '9.20160709')
        upstream: dh-golang ('>=', '1.1')
        upstream: golang-go None
[[{'name': 'debhelper-compat', 'archqual': None, 'version': ('=', '12'), 'arch': None, 'restrictions': None}], [{'name': 'dh-golang', 'archqual': None, 'version': None, 'arch': None, 'restrictions': None}], [{'name': 'golang-any', 'archqual': None, 'version': None, 'arch': None, 'restrictions': None}]]
        ubuntu: debhelper-compat ('=', '12')
        ubuntu: dh-golang None
        ubuntu: golang-any None
Depends
cannot parse package relationship "${misc:Depends}", returning it raw
[[{'name': '${misc:Depends}', 'archqual': None, 'version': None, 'arch': None, 'restrictions': None}], [{'name': 'google-compute-engine-oslogin', 'archqual': None, 'version': ('>=', '1:20231003'), 'arch': None, 'restrictions': None}]]
        upstream: ${misc:Depends} None
        upstream: google-compute-engine-oslogin ('>=', '1:20231003')
cannot parse package relationship "${misc:Depends}", returning it raw
cannot parse package relationship "${shlibs:Depends}", returning it raw
[[{'name': '${misc:Depends}', 'archqual': None, 'version': None, 'arch': None, 'restrictions': None}], [{'name': '${shlibs:Depends}', 'archqual': None, 'version': None, 'arch': None, 'restrictions': None}], [{'name': 'google-compute-engine-oslogin', 'archqual': None, 'version': ('>=', '20231004.00-0ubuntu1'), 'arch': None, 'restrictions': None}]]
        ubuntu: ${misc:Depends} None
        ubuntu: ${shlibs:Depends} None
        ubuntu: google-compute-engine-oslogin ('>=', '20231004.00-0ubuntu1')
Breaks
        upstream: None
        ubuntu: None
Replaces
        upstream: None
        ubuntu: None