ci: stop automatically running tests post-merge

We did that in order to find flaky tests so we could add
them to our ignore lists, but that's all done now and I
doubt anyone still looks at the results, so this is just
wasting runner cycles at this point.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2063>

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 893d824..bc06c49 100644 (file)
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -123,8 +123,9 @@ trigger:
   rules:
     # If the MR is assigned to the Merge bot, trigger the pipeline automatically
     - if: '$CI_MERGE_REQUEST_ASSIGNEES == "gstreamer-merge-bot"'
-    # Alway run tests post merged
+    # Require explicit action to trigger tests post merge
     - if: '$CI_PROJECT_NAMESPACE == "gstreamer" && $CI_COMMIT_BRANCH == $GST_UPSTREAM_BRANCH'
+      when: 'manual'
     # When the assignee isn't the merge bot, require an explicit action to trigger the pipeline
     # to avoid wasting CI resources
     - if: '$CI_MERGE_REQUEST_ASSIGNEES != "gstreamer-merge-bot"'