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

.github/workflows/coverage.yaml

@@ -46,11 +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
+          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

@@ -1,17 +1,3 @@
-coverage:
-  status:
-    project:
-      default:
-        target: 70%
-    patch:
-      default:
-        informational: true
-
 ignore:
   - "src/(?:bin|platform))/.+\\.rs"
   - "src/(?:app|events|formatter)\\.rs"
-
-comment:
-  layout: "reach,diff,flags,files,footer"
-  behavior: default
-  require_changes: false