check parent MRs

Author: shreyamalpani

.gitlab-ci.yml

@@ -54,6 +54,11 @@ generator:
 
 generated pipeline:
   stage: run
+  variables:
+    # Forward MR context to child pipeline since $CI_PIPELINE_SOURCE becomes
+    # "parent_pipeline" in downstream pipelines and MR variables are not inherited.
+    PARENT_PIPELINE_SOURCE: $CI_PIPELINE_SOURCE
+    PARENT_OPEN_MRS: $CI_OPEN_MERGE_REQUESTS
   trigger:
     include:
       - artifact: .gitlab/pipeline.yaml

.gitlab/templates/pipeline.yaml.tpl

@@ -244,7 +244,7 @@ publish layer e2e sandbox ({{ $f.name }}):
       when: on_success
       variables:
         LAYER_DESCRIPTION: $CI_COMMIT_TAG
-    - if: '$CI_PIPELINE_SOURCE == "merge_request_event" || $CI_MERGE_REQUEST_IID || $CI_OPEN_MERGE_REQUESTS'
+    - if: '$PARENT_PIPELINE_SOURCE == "merge_request_event" || $PARENT_OPEN_MRS'
       when: on_success
       variables:
         LAYER_DESCRIPTION: $CI_COMMIT_SHORT_SHA
@@ -283,7 +283,7 @@ e2e-test ({{ $f.name }}):
       when: on_success
       variables:
         EXTENSION_VERSION: $CI_COMMIT_TAG
-    - if: '$CI_PIPELINE_SOURCE == "merge_request_event" || $CI_MERGE_REQUEST_IID || $CI_OPEN_MERGE_REQUESTS'
+    - if: '$PARENT_PIPELINE_SOURCE == "merge_request_event" || $PARENT_OPEN_MRS'
       when: on_success
       variables:
         EXTENSION_VERSION: $CI_COMMIT_SHORT_SHA
@@ -301,7 +301,7 @@ e2e-test-status ({{ $f.name }}):
   rules:
     - if: '$CI_COMMIT_TAG =~ /^v.*/'
       when: on_success
-    - if: '$CI_PIPELINE_SOURCE == "merge_request_event" || $CI_MERGE_REQUEST_IID || $CI_OPEN_MERGE_REQUESTS'
+    - if: '$PARENT_PIPELINE_SOURCE == "merge_request_event" || $PARENT_OPEN_MRS'
       when: on_success
   needs:
     - job: "e2e-test ({{ $f.name }})"