Use merge queue on CI

Author: Kobzol

.github/workflows/ci.yml

@@ -1,17 +1,15 @@
 name: CI
 on:
-  push:
-    branches:
-      - master
-  pull_request: { }
+  merge_group:
+  pull_request:
   schedule:
     - cron: "0 12 * * 1" # Every Monday at 12:00 UTC
 
 env:
   AWS_ACCESS_KEY_ID: AKIA46X5W6CZBLO3VBND
 
 jobs:
-  test_and_deploy:
+  test-linux:
     name: Test and deploy
     runs-on: ubuntu-22.04
     env:
@@ -52,35 +50,12 @@ jobs:
       - name: Formatting check
         run: cargo fmt --all -- --check
 
-      - uses: docker/setup-buildx-action@v2
-      - name: Build Docker image
-        uses: docker/build-push-action@v4
-        with:
-          context: .
-          # Export the image to Docker to make it available in the next step
-          load: true
-          tags: rustc-perf
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
-
       - name: Check licenses
         run: |
           pip install reuse==4.0.3
           reuse lint
 
-      - name: Deploy to production
-        uses: rust-lang/simpleinfra/github-actions/upload-docker-image@master
-        with:
-          image: rustc-perf
-          repository: rust-rustc-perf
-          region: us-west-1
-          redeploy_ecs_cluster: rust-ecs-prod
-          redeploy_ecs_service: rustc-perf
-          aws_access_key_id: "${{ env.AWS_ACCESS_KEY_ID }}"
-          aws_secret_access_key: "${{ secrets.AWS_SECRET_ACCESS_KEY }}"
-        if: github.ref == 'refs/heads/master' || github.ref == 'refs/heads/deploy'
-
-  test_on_windows:
+  test-windows:
     name: Test on Windows
     runs-on: windows-latest
     steps:
@@ -110,7 +85,7 @@ jobs:
       - name: Run unit tests
         run: cargo test --all
 
-  test_benchmarks:
+  test-benchmarks:
     strategy:
       matrix:
         # We split `bench_local` testing into four jobs that run in parallel,
@@ -170,7 +145,7 @@ jobs:
           PROFILES: ${{ matrix.PROFILES }}
           SHELL: "/bin/bash"
 
-  test_backends:
+  test-backends:
     name: Test codegen backend benchmarks
     runs-on: ubuntu-22.04
     steps:
@@ -206,7 +181,7 @@ jobs:
           BACKENDS: Cranelift
           SHELL: "/bin/bash"
 
-  test_runtime_benchmarks:
+  test-runtime-benchmarks:
     name: Test runtime benchmarks
     runs-on: ubuntu-22.04
     steps:
@@ -239,7 +214,7 @@ jobs:
         env:
           SHELL: "/bin/bash"
 
-  test_profiling:
+  test-profiling:
     name: Test profiling
     runs-on: ubuntu-22.04
     steps:
@@ -415,3 +390,43 @@ jobs:
         run: |
           DATABASE_URL=postgresql://postgres:[email protected]:5432/postgres cargo run --bin site &
           python3 ci/check-site.py version1 version2
+
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: docker/setup-buildx-action@v2
+      - name: Build Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          tags: rustc-perf
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+  # Summary job for the merge queue.
+  # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB!
+  conclusion:
+    needs:
+      - test-linux
+      - test-windows
+      - test-benchmarks
+      - test-backends
+      - test-runtime-benchmarks
+      - test-profiling
+      - database-check
+      - site-endpoint
+      - docker
+    # We need to ensure this job does *not* get skipped if its dependencies fail,
+    # because a skipped job is considered a success by GitHub. So we have to
+    # overwrite `if:`. We use `!cancelled()` to ensure the job does still not get run
+    # when the workflow is canceled manually.
+    if: ${{ !cancelled() }}
+    runs-on: ubuntu-latest
+    steps:
+      # Manually check the status of all dependencies. `if: failure()` does not work.
+      - name: Conclusion
+        run: |
+          # Print the dependent jobs to see them in the CI log
+          jq -C <<< '${{ toJson(needs) }}'
+          # Check if all jobs that we depend on (in the needs array) were successful.
+          jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'

.github/workflows/manual-deploy.yml renamed to .github/workflows/deploy.yml

@@ -1,5 +1,8 @@
 name: Manual deploy
 on:
+  push:
+    branches:
+      - master
   workflow_dispatch:
 
 env:
@@ -8,7 +11,7 @@ env:
 jobs:
   deploy:
     name: Deploy
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout the source code
         uses: actions/checkout@v4