Fix codecov.io

.github/workflows/codecov-io.yml

@@ -1,11 +1,21 @@
-on: ["push", "pull_request"]
+on:
+  push:
+    branches:
+      # https://stackoverflow.com/questions/64635032/github-actions-run-on-push-to-all-branches
+      - "**"
+  pull_request:
+    branches: 
+      - "main"
+env:
+  CARGO_TERM_COLOR: always
 
 name: codecov.io Code Coverage
 jobs:
   coverage:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
+
       - name: Install LLVM
         # See: https://apt.llvm.org/
         # Last line: https://gitlab.com/taricorp/llvm-sys.rs/-/issues/13
@@ -14,16 +24,26 @@ jobs:
           chmod +x llvm.sh
           sudo ./llvm.sh 17
           sudo apt install libpolly-17-dev libz-dev
-      - uses: actions-rs/cargo@v1
+      
+          - uses: actions-rs/toolchain@v1
         with:
-          command: test
-          args: --all-features --no-fail-fast
+          toolchain: nightly
+          override: true
+
+      - name: Run tests
+        run: cargo test --verbose
         env:
-          RUSTFLAGS: '-C instrument-coverage'
-          LLVM_PROFILE_FILE: 'cargo-test-%p-%m.profraw'
+          CARGO_INCREMENTAL: '0'
+          RUSTFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'
+          RUSTDOCFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'
+
+      - name: rust-grcov
+        # You may pin to the exact commit or the version.
+        # uses: actions-rs/grcov@bb47b1ed7883a1502fa6875d562727ace2511248
+        uses: actions-rs/[email protected]
+
       - name: Upload coverage reports to Codecov
         uses: codecov/[email protected]
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           slug: vcfxb/wright-lang
-