feat: use github actions for code coverage

Author: Meow404

.cirrus.yml

@@ -27,23 +27,6 @@ jammy_task:
   jammy_test_artifacts:
     path: "bazel-testlogs/**/test.xml"
     format: junit
-  coverage_script:
-    - apt update && apt install -y lcov
-    - bazel coverage
-      --combined_report=lcov
-      --local_resources=ram=24000
-      --local_resources=cpu=8
-      --remote_cache=http://$CIRRUS_HTTP_CACHE_HOST
-      --remote_download_minimal
-      --strategy=CoverageReport=local
-      --experimental_fetch_all_coverage_outputs
-      //...
-    - genhtml --branch-coverage
-      --output coverage_report
-      "bazel-out/_coverage/_coverage_report.dat"
-  jammy_coverage_artifacts:
-    path: "coverage_report/**/*"
-    type: text/html
 
 noble_task:
   timeout_in: 120m
@@ -73,20 +56,3 @@ noble_task:
   noble_test_artifacts:
     path: "bazel-testlogs/**/test.xml"
     format: junit
-  coverage_script:
-    - apt update && apt install -y lcov
-    - bazel coverage
-      --combined_report=lcov
-      --local_resources=ram=24000
-      --local_resources=cpu=8
-      --remote_cache=http://$CIRRUS_HTTP_CACHE_HOST
-      --remote_download_minimal
-      --strategy=CoverageReport=local
-      --experimental_fetch_all_coverage_outputs
-      //...
-    - genhtml --branch-coverage
-      --output coverage_report
-      "bazel-out/_coverage/_coverage_report.dat"
-  noble_coverage_artifacts:
-    path: "coverage_report/**/*"
-    type: text/html

.github/workflows/coverage.yml

@@ -0,0 +1,51 @@
+name: C3 Coverage
+on: [pull_request]
+jobs:
+  # Only run coverage on Noble
+  coverage:
+    runs-on: ubuntu-latest
+    concurrency:
+      group: ci-${{ github.ref }}
+      cancel-in-progress: true
+    container: 
+      image: ghcr.io/dairlab/docker-dair/noble-dair-base:v1.42
+      credentials:
+       username: ${{ github.actor }}
+       password: ${{ secrets.GITHUB_TOKEN }}
+      options: --cpus 4
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - name: Install required dependencies
+        run: apt update && apt install -y lcov
+      - name: Restore coverage cache
+        id: c3-cov-cache-restore
+        uses: actions/cache/restore@v4
+        with:
+          path: ~/.cache/bazel
+          key: c3-noble-bazel-cov-cache-${{ github.ref_name }}
+          restore-keys: |
+            c3-noble-bazel-cov-cache-
+      - name: Generate Coverage 
+        run: bazel coverage
+              --combined_report=lcov
+              --local_resources=ram=24000
+              --local_resources=cpu=4
+              --jobs=4
+              //...
+      - name: Report code coverage
+        uses: zgosalvez/[email protected]
+        with:
+          coverage-files: bazel-out/_coverage/_coverage_report.dat
+          minimum-coverage: 90
+          artifact-name: noble-code-coverage-report
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          update-comment: true
+      - name: Save coverage cache
+        id: c3-cov-cache-save
+        if: always() && !cancelled() && steps.c3-cov-cache-restore.outputs.cache-hit != 'true'
+        uses: actions/cache/save@v4
+        with:
+          key: ${{ steps.c3-cov-cache-restore.outputs.cache-primary-key }}
+          path: ~/.cache/bazel
+      - run: echo "🍏 This job's status is ${{ job.status }}."