CI: add support for merge queue

.github/workflows/test-build.yml

@@ -1,23 +1,20 @@
 name: Build and run tests
 
 on:
-  # always test main
-  push:
-    branches:
-      - main
-  merge_group:
-  # test PRs
   pull_request:
-  # allow triggering tests, ignores skip check
+  merge_group:
+  #push:
+  #  branches: [ main ]
   workflow_dispatch:
 
 jobs:
   pre_job:
     runs-on: ubuntu-latest
     outputs:
-      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+      should_skip: ${{ steps.set_output.outputs.should_skip }}
     steps:
       - id: skip_check
+        if: ${{ github.event_name != 'merge_group' }}
         uses: fkirc/skip-duplicate-actions@v5
         with:
           # don't run on documentation changes
@@ -26,12 +23,21 @@ jobs:
           # but never cancel main
           cancel_others: ${{ github.ref != 'refs/heads/main' }}
 
+      - id: set_output
+        run: |
+          if [ "${{ github.event_name }}" = "merge_group" ]; then
+            echo "should_skip=false" >> $GITHUB_OUTPUT
+          else
+            echo "should_skip=${{ steps.skip_check.outputs.should_skip }}" >> $GITHUB_OUTPUT
+          fi
+
   pre_docs_job:
     runs-on: ubuntu-latest
     outputs:
-      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+      should_skip: ${{ steps.set_output.outputs.should_skip }}
     steps:
       - id: skip_check
+        if: ${{ github.event_name != 'merge_group' }}
         uses: fkirc/skip-duplicate-actions@v5
         with:
           # don't run on readme changes
@@ -40,6 +46,14 @@ jobs:
           # but never cancel main
           cancel_others: ${{ github.ref != 'refs/heads/main' }}
 
+      - id: set_output
+        run: |
+          if [ "${{ github.event_name }}" = "merge_group" ]; then
+            echo "should_skip=false" >> $GITHUB_OUTPUT
+          else
+            echo "should_skip=${{ steps.skip_check.outputs.should_skip }}" >> $GITHUB_OUTPUT
+          fi
+
   build-yosys:
     name: Reusable build
     runs-on: ${{ matrix.os }}
@@ -226,7 +240,7 @@ jobs:
     name: Try build docs
     runs-on: [self-hosted, linux, x64, fast]
     needs: [pre_docs_job]
-    if: ${{ needs.pre_docs_job.outputs.should_skip != 'true' && github.repository == 'YosysHQ/Yosys' }}
+    if: ${{ needs.pre_docs_job.outputs.should_skip != 'true' && github.repository_owner == 'YosysHQ' }}
     strategy:
       matrix:
         docs-target: [html, latexpdf]
@@ -265,3 +279,14 @@ jobs:
           name: docs-build-${{ matrix.docs-target }}
           path: docs/build/
           retention-days: 7
+
+  test-build-result:
+    runs-on: ubuntu-latest
+    needs:
+      - test-yosys
+      - test-cells
+      - test-docs
+      - test-docs-build
+    if: always() && !contains(join(needs.*.result, ','), 'failure') && !contains(join(needs.*.result, ','), 'cancelled')
+    steps:
+      - run: echo "All good"