feat(ci): add incremental build cache to tests & lint steps

Author: Goopil

.github/workflows/build.yml

@@ -15,6 +15,8 @@ env:
 jobs:
   lint:
     runs-on: ubuntu-latest
+    env:
+      CARGO_TARGET_DIR: target/ci/lint
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -30,7 +32,7 @@ jobs:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
-            target
+            target/ci/lint
           key: ${{ runner.os }}-lint-cargo-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             ${{ runner.os }}-lint-cargo-
@@ -49,6 +51,8 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     needs: lint
+    env:
+      CARGO_TARGET_DIR: target/ci/tests-${{ matrix.php }}
     strategy:
       fail-fast: false
       matrix:
@@ -82,9 +86,10 @@ jobs:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
-            target
-          key: ${{ runner.os }}-tests-cargo-${{ hashFiles('**/Cargo.lock') }}
+            target/ci/tests-${{ matrix.php }}
+          key: ${{ runner.os }}-tests-${{ matrix.php }}-cargo-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
+            ${{ runner.os }}-tests-${{ matrix.php }}-cargo-
             ${{ runner.os }}-tests-cargo-
 
       - name: Cache Composer
@@ -120,6 +125,8 @@ jobs:
   build-linux:
     runs-on: ubuntu-latest
     needs: tests
+    env:
+      CARGO_TARGET_DIR: target/ci/build-linux-${{ matrix.php }}
     strategy:
       fail-fast: false
       matrix:
@@ -153,9 +160,10 @@ jobs:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
-            target
-          key: ${{ runner.os }}-build-linux-cargo-${{ hashFiles('**/Cargo.lock') }}
+            target/ci/build-linux-${{ matrix.php }}
+          key: ${{ runner.os }}-build-linux-${{ matrix.php }}-cargo-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
+            ${{ runner.os }}-build-linux-${{ matrix.php }}-cargo-
             ${{ runner.os }}-build-linux-cargo-
 
       - name: Cargo build (release)
@@ -168,8 +176,13 @@ jobs:
           mkdir -p dist
           ref="${GITHUB_REF_NAME:-$GITHUB_SHA}"
           short="${ref:0:7}"
+          artifact_path="${CARGO_TARGET_DIR}/release/librabbit_rs.so"
+          if [ ! -f "${artifact_path}" ]; then
+            echo "Artifact not found at ${artifact_path}" >&2
+            exit 1
+          fi
           scripts/package-extension.sh \
-            "target/release/librabbit_rs.so" \
+            "${artifact_path}" \
             "${{ matrix.php }}" \
             "linux-gnu-$(uname -m)" \
             "${short}" \
@@ -184,6 +197,8 @@ jobs:
   build-macos:
     runs-on: macos-14
     needs: tests
+    env:
+      CARGO_TARGET_DIR: target/ci/build-macos-${{ matrix.php }}
     strategy:
       fail-fast: false
       matrix:
@@ -214,9 +229,10 @@ jobs:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
-            target
-          key: ${{ runner.os }}-build-macos-cargo-${{ hashFiles('**/Cargo.lock') }}
+            target/ci/build-macos-${{ matrix.php }}
+          key: ${{ runner.os }}-build-macos-${{ matrix.php }}-cargo-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
+            ${{ runner.os }}-build-macos-${{ matrix.php }}-cargo-
             ${{ runner.os }}-build-macos-cargo-
 
       - name: Cargo build (release)
@@ -229,8 +245,13 @@ jobs:
           mkdir -p dist
           ref="${GITHUB_REF_NAME:-$GITHUB_SHA}"
           short="${ref:0:7}"
+          artifact_path="${CARGO_TARGET_DIR}/release/librabbit_rs.dylib"
+          if [ ! -f "${artifact_path}" ]; then
+            echo "Artifact not found at ${artifact_path}" >&2
+            exit 1
+          fi
           scripts/package-extension.sh \
-            "target/release/librabbit_rs.dylib" \
+            "${artifact_path}" \
             "${{ matrix.php }}" \
             "darwin-$(uname -m)" \
             "${short}" \