Use cargo-llvm-cov

.github/workflows/deepsource.yml

@@ -18,60 +18,41 @@ jobs:
   deepsource:
     name: Test and submit
     runs-on: ubuntu-22.04
+    defaults:
+      run:
+        shell: bash
     steps:
       # The checkout must be the PR 'head' sha for deepsource to work
       - name: Checkout PR
         if: ${{ github.event_name == 'pull_request' }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Checkout PUSH
         if: ${{ github.event_name == 'push' }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      - uses: actions-rs/toolchain@v1
+
+      - name: Install Rust stable with llvm-tools-preview
+        uses: actions-rust-lang/[email protected]
+        with:
+          components: llvm-tools-preview
+
+      - name: Install Rust nightly with rustfmt
+        uses: actions-rs/toolchain@v1
         with:
           toolchain: nightly
           components: rustfmt
 
-      - uses: actions/cache@v3
+      - name: Install cargo-llvm-cov
+        uses: taiki-e/[email protected]
         with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            ~/.cargo/advisory-dbs/
-          key: ${{ runner.os }}-coverage-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-coverage
+          tool: cargo-llvm-cov
 
-      # coverage needs a nightly toolchain
       - name: Run test suite
         run: |
-          rustup toolchain install nightly --allow-downgrade
-          cargo +nightly test --all-features --no-fail-fast ||:
-        env:
-          CARGO_INCREMENTAL: "0"
-          RUSTFLAGS: "-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=unwind"
-          RUSTDOCFLAGS: "-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=unwind"
-
-      - name: Install grcov
-        run: |
-          cargo +stable install grcov || true
-
-      - name: Run coverage
-        id: coverage
-        uses: actions-rs/[email protected]
-        with:
-          config: .grcov.yaml
-
-      # DeepSource limits the size of the coverage data file to 50 MB
-      - name: Move coverage file
-        run: |
-          mv ${{ steps.coverage.outputs.report }} ./coverage.xml
-          ls -al ./coverage.xml
+          cargo llvm-cov test --cobertura --output-path coverage.xml --branch --workspace --no-fail-fast --all-features
 
       - name: Install deepsource cli
         run: |