test: cache

.github/workflows/coverage.yml

@@ -1,3 +1,4 @@
+---
 name: Task - Rust Tests & Coverage
 
 on:
@@ -33,57 +34,33 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
+      # selecting a toolchain either by action or manual `rustup` calls should happen
+      # before the plugin, as the cache uses the current rustc version as its cache key
+      - run: rustup show
+
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
           toolchain: stable
           override: true
 
-      - name: Generate lockfile
-        run: cargo generate-lockfile
-
-      - name: Cache cargo registry
-        uses: actions/cache@v3
-        id: cache-registry
-        with:
-          path: ~/.cargo/registry
-          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
-
-      - name: Cache cargo index
-        uses: actions/cache@v3
-        id: cache-index
-        with:
-          path: ~/.cargo/git
-          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
-
-      - name: Cache cargo build
+      - name: Cache dependencies
         uses: actions/cache@v3
-        id: cache-build
         with:
-          path: target
-          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}-${{ hashFiles('**/Cargo.toml') }}
-
-      - name: Debug cache status
-        run: |
-          echo "Registry cache hit: ${{ steps.cache-registry.outputs.cache-hit }}"
-          echo "Index cache hit: ${{ steps.cache-index.outputs.cache-hit }}"
-          echo "Build cache hit: ${{ steps.cache-build.outputs.cache-hit }}"
-
-          echo "Cargo registry size:"
-          du -sh ~/.cargo/registry || echo "Registry not found"
-          echo "Cargo index size:"
-          du -sh ~/.cargo/git || echo "Index not found"
-          echo "Target directory size:"
-          du -sh target || echo "Target not found"
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
-          echo "Content of target directory:"
-          ls -R target || echo "Target directory not found"
+      - name: Install cargo-llvm-cov
+        uses: taiki-e/install-action@cargo-llvm-cov
 
-      - name: Install cargo-llvm-cov and nextest
-        uses: taiki-e/install-action@v2
-        with:
-          tool: cargo-llvm-cov,nextest
+      - name: Install nextest
+        uses: taiki-e/install-action@nextest
 
       - name: Install Foundry
         uses: foundry-rs/foundry-toolchain@v1
@@ -116,4 +93,4 @@ jobs:
           debug: true
 
       - uses: colpal/actions-clean@v1
-        if: ${{ always() }}
+        if: ${{ always() }} # To ensure this step runs even when earlier steps fail