A continuous build for Emacs can be found at
<https://emba.gnu.org/emacs/emacs>, a Gitlab instance. It watches the
Emacs git repository and starts a pipeline (jobset) if there are new
-changes. This happens for all Emacs branches.
+changes. This happens for all Emacs branches which belong to the
+defined workflow (see below).
* Mail notifications
'test/infra'. They could be adapted for every Emacs branch, see
<https://emba.gnu.org/help/ci/yaml/README.md>.
+Only branches which name start with 'master', 'emacs', 'feature', or
+'fix' are considered. This is declared in the workflow rules of file
+'test/infra/gitlab-ci.yml'.
+
A jobset on Gitlab is called pipeline. Emacs pipelines run through
the stages 'build-images', 'platform-images' and 'native-comp-images'
(create an Emacs instance by 'make bootstrap' with different