Another attempt at fixing the Cypress job (#3749)

.github/workflows/cypress-skipped.yml

@@ -1,29 +0,0 @@
-# We only want to run the cypress tests in the merge queue (to save CI time),
-# but we do want to make it a required check for the merge queue.
-#
-# Unfortunately, github doesn't distinguish between "checks needed for branch
-# protection" (ie, the things that must pass before the PR will even be added
-# to the merge queue) and "checks needed in the merge queue". We just have to add
-# the check to the branch protection list.
-#
-# Ergo, if we know we're not going to run the cypress tests, we need to add a
-# passing status check manually.
-
-name: Mark cypress skipped
-on:
-    pull_request: {}
-permissions:
-    statuses: write
-jobs:
-    mark_skipped:
-        runs-on: ubuntu-latest
-        steps:
-            - uses: Sibz/github-status-action@650dd1a882a76dbbbc4576fb5974b8d22f29847f # v1.1.6
-              with:
-                  authToken: "${{ secrets.GITHUB_TOKEN }}"
-                  state: success
-                  description: Cypress skipped
-                  context: "matrix-react-sdk Cypress End to End Tests / cypress"
-                  sha: "${{ github.event.pull_request.head.sha }}"
-                  # link to this file
-                  target_url: "${{ github.event.pull_request.head.repo.html_url }}/blob/${{ github.event.pull_request.head.ref }}/.github/workflows/cypress-skipped.yml"

.github/workflows/cypress.yml

@@ -15,6 +15,11 @@ concurrency:
 jobs:
     cypress:
         name: Cypress
+
+        # We only want to run the cypress tests on merge queue to prevent regressions
+        # from creeping in. They take a long time to run and consume 4 concurrent runners.
+        if: github.event.workflow_run.event == 'merge_group'
+
         uses: matrix-org/matrix-react-sdk/.github/workflows/cypress.yaml@v3.80.1
         permissions:
             actions: read
@@ -29,3 +34,26 @@ jobs:
         with:
             react-sdk-repository: matrix-org/matrix-react-sdk
             rust-crypto: true
+
+    # We want to make the cypress tests a required check for the merge queue.
+    #
+    # Unfortunately, github doesn't distinguish between "checks needed for branch
+    # protection" (ie, the things that must pass before the PR will even be added
+    # to the merge queue) and "checks needed in the merge queue". We just have to add
+    # the check to the branch protection list.
+    #
+    # Ergo, if we know we're not going to run the cypress tests, we need to add a
+    # passing status check manually.
+    mark_skipped:
+        if: github.event.workflow_run.event != 'merge_group'
+        permissions:
+            statuses: write
+        runs-on: ubuntu-latest
+        steps:
+            - uses: Sibz/github-status-action@650dd1a882a76dbbbc4576fb5974b8d22f29847f # v1.1.6
+              with:
+                  authToken: "${{ secrets.GITHUB_TOKEN }}"
+                  state: success
+                  description: Cypress skipped
+                  context: "${ github.workflow }} / cypress"
+                  sha: "${{ github.event.workflow_run.head_sha }}"

.github/workflows/downstream-artifacts.yml

@@ -1,11 +1,10 @@
 name: Build downstream artifacts
 on:
-    # We only want the Rust Crypto Cypress tests on merge queue to prevent regressions
-    # from creeping in. They take a long time to run and consume 4 concurrent runners.
-    # Anyone working on Rust Crypto is able to run the tests locally if required.
     merge_group:
         types: [checks_requested]
 
+    pull_request: {}
+
     # For now at least, we don't run this or the cypress-tests against pushes
     # to develop or master.
     #