final take on caches?

Author: ktoso

.github/workflows/pull_request.yml

@@ -38,6 +38,7 @@ jobs:
         # TODO: not using setup-java since incompatible with the swiftlang/swift base image
       - name: Install Untested Nightly Swift
         run: "bash -xc './docker/install_untested_nightly_swift.sh'"
+      # setup caches
       - name: Cache local Gradle repository
         uses: actions/cache@v4
         continue-on-error: true
@@ -57,6 +58,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-swiftpm-cache
             ${{ runner.os }}-swiftpm-
+      # run the actual build
       - name: Gradle build
         run: ./gradlew update --info --no-daemon
       - name: Debug HOME Paths
@@ -87,15 +89,27 @@ jobs:
         run: "bash -xc 'JDK_VENDOR=${{ matrix.jdk_vendor }} ./docker/install_jdk.sh'"
       - name: Install Untested Nightly Swift
         run: "bash -xc './docker/install_untested_nightly_swift.sh'"
+      # setup caches
+      - name: Cache local Gradle repository
+        uses: actions/cache@v4
+        continue-on-error: true
+        with:
+          path: |
+            /root/.gradle/caches
+            /root/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('*/*.gradle*', 'settings.gradle') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
       - name: Cache local SwiftPM repository
         uses: actions/cache@v4
         continue-on-error: true
         with:
-          path: ~/.build/checkouts
+          path: /__w/swift-java/swift-java/.build/checkouts
           key: ${{ runner.os }}-swiftpm-cache-${{ hashFiles('Package.swift') }}
           restore-keys: |
             ${{ runner.os }}-swiftpm-cache
             ${{ runner.os }}-swiftpm-
+      # run the actual build
       - name: Generate sources (make) (Temporary)
         # TODO: this should be triggered by the respective builds
         run: "make jextract-run"