opam: Make the instance optional and derived from the url (!405) · Merge requests · Platform / Development / swh-lister · GitLab

Antoine R. Dumont requested to merge generated-differential-D6312-source into generated-differential-D6312-target Sep 20, 2021

This matches how it's done for all other multi instances lister.

Related to T3590 Depends on !240 (closed)

Test Plan

tox

Migrated from D6312 (view on Phabricator)