fix: downgrade to codecov-action v4, update escapes pattern, ignore codecov.json, slim codecov config

.github/workflows/coverage.yaml

@@ -9,8 +9,6 @@ env:
 jobs:
   coverage:
     runs-on: ubuntu-latest
-    env:
-      COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v5
@@ -48,41 +46,12 @@ jobs:
 
       - name: Generate coverage report
         run: |
-          just coverage
+          just coverage-codecov
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          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
+          files: ./codecov.json
+          disable_search: true
+          verbose: true

.gitignore

@@ -14,6 +14,7 @@ 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
+html: coverage-lcov
     cargo llvm-cov report \
     --remap-path-prefix \
     --ignore-filename-regex "{{ coverage_exclude_pattern }}" \
@@ -19,13 +19,13 @@ html: coverage
     --open
 
 # Display report (for humans)
-report-coverage: coverage
+report-coverage: coverage-lcov
     cargo llvm-cov report \
     --remap-path-prefix \
     --ignore-filename-regex "{{ coverage_exclude_pattern }}"
 
-# Run & generate report (for CI)
-coverage:
+# Run & generate LCOV report (as base report)
+coverage-lcov:
     cargo llvm-cov \
     --lcov \
     --remap-path-prefix \
@@ -34,6 +34,16 @@ coverage:
     --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

@@ -0,0 +1,3 @@
+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(0.6),
+        a: f32_to_u8(0.65),
         ..Color::RED
     });
     canvas.set_blend_mode(sdl2::render::BlendMode::Blend);