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diff --git a/doc/development/pipelines/internals.md b/doc/development/pipelines/internals.md index b3b4cbec02d..a81eb6f656b 100644 --- a/doc/development/pipelines/internals.md +++ b/doc/development/pipelines/internals.md @@ -48,6 +48,25 @@ from using `$FORCE_GITLAB_CI`. - [JiHu validation pipeline](https://about.gitlab.com/handbook/ceo/chief-of-staff-team/jihu-support/jihu-validation-pipelines.html) - [Gitaly downstream GitLab pipeline](https://gitlab.com/gitlab-org/gitaly/-/issues/4615) +See the next section for how we can enable pipelines without using +`$FORCE_GITLAB_CI`. + +#### Alternative to `$FORCE_GITLAB_CI` + +Essentially, we use different variables to enable different pipelines. +An example doing this is `$START_AS_IF_FOSS`. When we want to trigger a +cross project FOSS pipeline, we set `$START_AS_IF_FOSS`, along with a set of +other variables like `$ENABLE_RSPEC_UNIT`, `$ENABLE_RSPEC_SYSTEM`, and so on +so forth to enable each jobs we want to run in the as-if-foss cross project +downstream pipeline. + +The advantage of this over `$FORCE_GITLAB_CI` is that we have full control +over how we want to run the pipeline because `$START_AS_IF_FOSS` is only used +for this purpose, and changing how the pipeline behaves under this variable +will not affect other types of pipelines, while using `$FORCE_GITLAB_CI` we +do not know what exactly the pipeline is because it's used for multiple +purposes. + ## Default image The default image is defined in [`.gitlab-ci.yml`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/.gitlab-ci.yml). |