docs/dev: better revisions reporting and delete snippets and swh-py-template from the .mrconfig file (!8) · Merge requests · Platform / Infrastructure / CI CD / Jenkins jobs

we modify the .mrconfig file to prevent useless git clones and ease reporting the build environment using 'mr run' commands.

Migrated from D750 (view on Phabricator)

docs/dev: better revisions reporting and delete snippets and swh-py-template from the .mrconfig file