diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1021198e9be50c2057231827495329f585cfa90b..c3ab6c727aa8f296a88f05e288efe16ec9b9d76b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -57,17 +57,21 @@ aggregate-docs:
 # automatically, giving an option to the developer, to start the desired jobs
 # manually.
 .workspace-rules:
+  variables:
+    CI_ONIRO_MAGIC: ".gitlab-ci.yml:61:.workspace-rules"
   rules:
     - if: '$CI_PIPELINE_SOURCE == "schedule"'
       variables:
         CI_ONIRO_MANIFEST_URL: "$CI_PROJECT_URL"
         CI_ONIRO_MANIFEST_BRANCH: "$CI_COMMIT_REF_NAME"
+        CI_ONIRO_MAGIC: ".gitlab-ci.yml:67:.workspace-rules"
     - if: '$CI_PIPELINE_SOURCE == "merge_request_event" && $CI_MERGE_REQUEST_TITLE =~ /^(wip|draft):.*/i'
       when: manual
       variables:
         # See below for rationale.
         CI_ONIRO_MANIFEST_URL: "$CI_MERGE_REQUEST_SOURCE_PROJECT_URL"
         CI_ONIRO_MANIFEST_BRANCH: "$CI_COMMIT_REF_NAME"
+        CI_ONIRO_MAGIC: ".gitlab-ci.yml:74:.workspace-rules"
     - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
       changes:
         - assets/**/*
@@ -83,6 +87,7 @@ aggregate-docs:
       variables:
         CI_ONIRO_MANIFEST_URL: "$CI_MERGE_REQUEST_SOURCE_PROJECT_URL"
         CI_ONIRO_MANIFEST_BRANCH: "$CI_COMMIT_REF_NAME"
+        CI_ONIRO_MAGIC: ".gitlab-ci.yml:90:.workspace-rules"
     - if: '$CI_COMMIT_TAG'
       # XXX: This needs CI_ONIRO_MANIFEST_BRANCH as well, most likely.
 
diff --git a/.oniro-ci/build-generic.yaml b/.oniro-ci/build-generic.yaml
index 8dbb59aca711ca044f870c4e4c6653dd96398614..7149b47f89dfcf3556fd4cac2d725b3d19b9354d 100644
--- a/.oniro-ci/build-generic.yaml
+++ b/.oniro-ci/build-generic.yaml
@@ -15,7 +15,9 @@
     CI_ONIRO_MANIFEST_MIRROR: oniro-develop
     CI_ONIRO_GIT_REPO_PATH: ""
     CI_ONIRO_INSTANCE_SIZE: s3.large.8
+    CI_ONIRO_MAGIC: ".oniro-ci/build-generic.yaml:18:.workspace"
   before_script:
+    - env | grep -E ^CI_ONIRO | sort
     - test ! -e "$CI_PROJECT_DIR"/.scratch-dir-name || (
         echo "precondition failed - concurrent modification of $CI_PROJECT_DIR"
         && env | grep CI_ | sort
@@ -91,6 +93,7 @@
     CI_ONIRO_BB_LOCAL_CONF_plus_equals_USER_CLASSES: "buildstats buildstats-summary"
     CI_ONIRO_DEVTOOL_RECIPE_NAME: ""
     CI_ONIRO_DEVTOOL_LAYER_PATH: ""
+    CI_ONIRO_MAGIC: ".oniro-ci/build-generic.yaml:96:.bitbake-workspace"
 
   before_script:
     # Bitbake requires a non-root user to operate.