ci: setup codecov coverage & badge

.github/workflows/coverage.yaml

@@ -9,6 +9,8 @@ env:
 jobs:
   coverage:
     runs-on: ubuntu-latest
+    env:
+      COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v5
@@ -46,12 +48,41 @@ jobs:
 
       - name: Generate coverage report
         run: |
-          just coverage-codecov
+          just coverage
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          files: ./codecov.json
-          disable_search: true
-          verbose: true
+          files: lcov.info
+
+      - name: Download Coveralls CLI
+        if: ${{ env.COVERALLS_REPO_TOKEN != '' }}
+        run: |
+          # use GitHub Releases URL instead of coveralls.io because they can't maintain their own files; it 404s
+          curl -L https://github.com/coverallsapp/coverage-reporter/releases/download/v0.6.15/coveralls-linux-x86_64.tar.gz | tar -xz -C /usr/local/bin
+
+      - name: Upload coverage to Coveralls
+        if: ${{ env.COVERALLS_REPO_TOKEN != '' }}
+        run: |
+          if [ ! -f "lcov.info" ]; then
+            echo "Error: lcov.info file not found. Coverage generation may have failed."
+            exit 1
+          fi
+
+          for i in {1..10}; do
+            echo "Attempt $i: Uploading coverage to Coveralls..."
+            if coveralls -n report lcov.info; then
+              echo "Successfully uploaded coverage report."
+              exit 0
+            fi
+
+            if [ $i -lt 10 ]; then
+              delay=$((2**i))
+              echo "Attempt $i failed. Retrying in $delay seconds..."
+              sleep $delay
+            fi
+          done
+
+          echo "Failed to upload coverage report after 10 attempts."
+          exit 1

.gitignore

@@ -14,7 +14,6 @@ assets/site/build.css
 
 # Coverage reports
 lcov.info
-codecov.json
 coverage.html
 
 # Profiling output

Justfile

@@ -2,8 +2,8 @@ set shell := ["bash", "-c"]
 set windows-shell := ["powershell.exe", "-NoLogo", "-Command"]
 
 # Regex to exclude files from coverage report, double escapes for Justfile + CLI
-# You can use src/..., but the filename alone is acceptable too
-coverage_exclude_pattern := "src/app\\.rs|audio\\.rs|src/error\\.rs|platform/emscripten\\.rs|bin/.+\\.rs|main\\.rs|platform/desktop\\.rs|platform/tracing_buffer\\.rs|platform/buffered_writer\\.rs|systems/debug\\.rs|systems/profiling\\.rs"
+# You can use src\\\\..., but the filename alone is acceptable too
+coverage_exclude_pattern := "src\\\\app\\.rs|audio\\.rs|src\\\\error\\.rs|platform\\\\emscripten\\.rs|bin\\\\.+\\.rs|main\\.rs|platform\\\\desktop\\.rs|platform\\\\tracing_buffer\\.rs|platform\\\\buffered_writer\\.rs|systems\\\\debug\\.rs|systems\\\\profiling\\.rs"
 
 binary_extension := if os() == "windows" { ".exe" } else { "" }
 
@@ -11,7 +11,7 @@ binary_extension := if os() == "windows" { ".exe" } else { "" }
 # !!! --remap-path-prefix prevents the absolute path from being used in the generated report
 
 # Generate HTML report (for humans, source line inspection)
-html: coverage-lcov
+html: coverage
     cargo llvm-cov report \
     --remap-path-prefix \
     --ignore-filename-regex "{{ coverage_exclude_pattern }}" \
@@ -19,13 +19,13 @@ html: coverage-lcov
     --open
 
 # Display report (for humans)
-report-coverage: coverage-lcov
+report-coverage: coverage
     cargo llvm-cov report \
     --remap-path-prefix \
     --ignore-filename-regex "{{ coverage_exclude_pattern }}"
 
-# Run & generate LCOV report (as base report)
-coverage-lcov:
+# Run & generate report (for CI)
+coverage:
     cargo llvm-cov \
     --lcov \
     --remap-path-prefix \
@@ -34,16 +34,6 @@ coverage-lcov:
     --profile coverage \
     --no-fail-fast nextest
 
-# Run & generate Codecov report (for CI)
-coverage-codecov:
-    cargo llvm-cov \
-    --codecov \
-    --remap-path-prefix \
-    --ignore-filename-regex "{{ coverage_exclude_pattern }}" \
-    --output-path codecov.json \
-    --profile coverage \
-    --no-fail-fast nextest
-
 # Profile the project using 'samply'
 samply:
     cargo build --profile profile

codecov.yml

@@ -1,3 +0,0 @@
-ignore:
-  - "src/(?:bin|platform))/.+\\.rs"
-  - "src/(?:app|events|formatter)\\.rs"

src/systems/debug.rs

@@ -266,7 +266,7 @@ pub fn debug_render_system(
     }
 
     canvas.set_draw_color(Color {
-        a: f32_to_u8(0.65),
+        a: f32_to_u8(0.6),
         ..Color::RED
     });
     canvas.set_blend_mode(sdl2::render::BlendMode::Blend);