Bug#987461: libuima-adapter-soap-java is empty

[tony mancill]

On Sat, Jun 19, 2021 at 07:46:28AM -0700, tony mancill wrote:
> On Sat, Jun 19, 2021 at 10:29:25PM +0900, Hideki Yamane wrote:
> >  So let's remove its binary package and add Breaks: to it.
> >  MR is here, could someone review it, please?
> >  https://salsa.debian.org/java-team/uimaj/-/merge_requests/1
> 
> Thank you for addressing this.  I will handle the merge and upload.
> 
> Just one quick question...  Why is the Breaks necessary?  Is it there to
> force removal of libuima-adapter-soap-java when libuima-core-java is
> upgraded?

Hi,

I saw the note in the changelog that Breaks is in fact there to remove
the empty package, but it's not happening for me when I try to upgrade
locally.  My test case is to install uima-utils (which will install
libuima-adapter-soap-java via Recommends) and then try to upgrade the
binaries to 2.10.2-4 using dpkg.  

dpkg: regarding libuima-core-java_2.10.2-4_all.deb containing libuima-core-java:
 libuima-core-java breaks libuima-adapter-soap-java (<< 2.10.2-4)
  libuima-adapter-soap-java (version 2.10.2-3) is present and installed.

The only way I can make this work is remove libuima-adapter-soap-java
manually.  Are you sure that Breaks is necessary?  apt-get autoremove
will clean up libuima-adapter-soap-java at some point.

I took a look at policy to see if Breaks + Replaces should be used in
this situation, but I'm not sure it really applies (although I think it
would work better than just Breaks).  Still, I'm unsure about the need
for Breaks for this empty package clean-up use case.

From https://www.debian.org/doc/debian-policy/ch-relationships.html#s-breaks:

> Neither Breaks nor Conflicts should be used unless two packages cannot
> be installed at the same time or installing them both causes one of
> them to be broken or unusable. Having similar functionality or
> performing the same tasks as another package is not sufficient reason
> to declare Breaks or Conflicts with that package.

Any concerns if I drop the Breaks before the upload?

Thanks,
tony
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