[Debian-salsa-ci] Enable job 'missing-breaks' by default?

[Emmanuel Arias]

On Sun, Feb 23, 2025 at 01:14:25PM -0800, Otto Kekäläinen wrote:
> Hi!
> 
> Do you think it is a good idea if I send this email today/tomorrow to
> debian-devel@?
> 
> *****************
> Subject: Salsa CI job 'missing-breaks' to be enabled by default
> staring March 1st
> 
> Salsa CI has had for many years the job 'missing-breaks' that
> complements piuparts by checking that the files a package introduce
> don't clash with files shipped by any other package in the
> distribution without having proper Breaks/Replaces in the
> debian/control file. This job works well, being quick to run and has
> zero false positives in our experience.
> 
> We plan to enable this job next weekend, and make it fail pipelines in
> a month from now.
> 
> If you have any comments, feel free to reply to this email thread or
> take part in the discussion at
> https://salsa.debian.org/salsa-ci-team/pipeline/-/merge_requests/578
> 
> ## Schedule
> 
> 1. March 1st: Enable this job by default, but in allow_failure mode,
> making Salsa CI yellow on packages that fail on this job
> 2. March 31st: Remove the allow_failure mode, potentially making the
> Salsa CI red for packages that fail on this job
> 
> ## Appendix: error examples
> 
> Example output when end users run into this category of issues:
> 
> $ apt upgrade
> ...
> Unpacking example (from .../foo_1.0-1_all.deb) ...
> dpkg: error processing /var/cache/apt/archives/foo_1.0-1_all.deb (--unpack):
>  trying to overwrite '/usr/share/man/man8/example.8.gz', which is also
> in package bar 2.2
> 
> Example output from the job on failure:
> 
> $ check_for_missing_breaks_replaces.py -o
> ${WORKING_DIR}/missing_breaks.xml --changes-file
> ${WORKING_DIR}/*.changes
> [ERROR] Missing Breaks/Replaces found
> [ERROR] foo conflicts with bar files: {'/usr/share/man/man8/example.8.gz'}
> *****************
> 

Nice! thanks for that!

[snip]
-- 
cheers,
        Emmanuel Arias

 ⢀⣴⠾⠻⢶⣦⠀
 ⣾⠁⢠⠒⠀⣿⡁  eamanu at debian.org
 ⢿⡄⠘⠷⠚⠋⠀  OpenPGP: 13796755BBC72BB8ABE2AEB5 FA9DEC5DE11C63F1                     
 ⠈⠳⣄
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