This bug was fixed in the package libsignon-glib - 2.1-3ubuntu0.21.04
---------------
libsignon-glib (2.1-3ubuntu0.21.04) hirsute; urgency=medium
* add replaces relationship to gir1.2-signon-2.0 package. LP: #1916250
-- Rolf Leggewie <f...@rolf.leggewie.biz> Fri, 19 Feb 2021 16:52:20
+0100
** Changed in: libsignon-glib (Ubuntu Hirsute)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1916250
Title:
gir1.2-signon-2.0 needs to declare replace on older releases
(Groovy2Hirsute and Focal2Jammy)
Status in libsignon-glib package in Ubuntu:
Fix Released
Status in libsignon-glib source package in Hirsute:
Fix Released
Status in libsignon-glib source package in Impish:
Fix Released
Bug description:
gir1.2-signon-1.0 from groovy
gir1.2-signon-2.0 from hirsute
above two packages ship the same file /usr/lib/python3/dist-
packages/gi/overrides/Signon.py without specifying how to resolve the
conflict.
[Test Case]
This can be simply tested with a focal schroot:
1) apt-get install vim libsignon-glib-dev
2) edit /etc/apt/sources.list replacing focal with hirsute
3) apt-get update
4) apt-get install libsignon-glib-dev
With the version of libsignon-glib-dev from -proposed you'll no longer
receive the 'dpkg: error' from below.
Unpacking gir1.2-signon-2.0:amd64 (2.1-3) ...
dpkg: error processing archive
/var/cache/apt/archives/gir1.2-signon-2.0_2.1-3_amd64.deb (--unpack):
trying to overwrite '/usr/lib/python3/dist-packages/gi/overrides/Signon.py',
which is also in package gir1.2-signon-1.0 1.14+17.04.20161117-0ubuntu5
Errors were encountered while processing:
/var/cache/apt/archives/gir1.2-signon-2.0_2.1-3_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
Probably needs a conflicts/replaces dependency added to the newer
hirsute package.
[Regression Potential]
We are adding a replaces with gir1.2-signon-1.0 so anything that depends on
that package would be broken but given that that package is no longer available
after focal that seems fine.
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