Use simplified Git fields during publication
Requires backend#1838 (closed), closes #189 (closed), closes #197 (closed)
This MR is the same as !303 (merged), that has been reverted due to early merge. It is set as DRAFT as it must be merged once 1.6.3 has been deployed everywhere (because workers use CLI latest image for publication).
Edited by Erwan Rouchet