Merge pull request #93 from sbt/wip/jdk

fix: Include JDK version in the cache key

Author: eed3si9n

action.yml

@@ -19,6 +19,10 @@ runs:
         SBT_RUNNER_VERSION: ${{ inputs.sbt-runner-version }}
         SBT_CACHE_KEY_VERSION: 1.1.25
       run: |
+        JDK_VERSION=0
+        if [[ -x "$(command -v java)" ]]; then
+          JDK_VERSION=$(java -version 2>&1 | head -n 1 | sed -e 's/.*"\(.*\)"\(.*\)/\1/; 1q')
+        fi
         if [[ "$RUNNER_OS" == "Windows" ]]; then
           echo "sbt_toolpath=$RUNNER_TOOL_CACHE\\sbt\\$SBT_RUNNER_VERSION" >> "$GITHUB_OUTPUT"
           echo "sbt_downloadpath=$RUNNER_TEMP\\_sbt" >> "$GITHUB_OUTPUT"
@@ -33,7 +37,7 @@ runs:
           echo "sbt_diskcache=$HOME/.cache/sbt" >> "$GITHUB_OUTPUT"
         fi
         echo "sbt_cachekey=$RUNNER_OS-sbt-$SBT_RUNNER_VERSION-$SBT_CACHE_KEY_VERSION" >> "$GITHUB_OUTPUT"
-        echo "sbt_diskcachekey=$RUNNER_OS-sbt-diskcache-$SBT_CACHE_KEY_VERSION" >> "$GITHUB_OUTPUT"
+        echo "sbt_diskcachekey=$RUNNER_OS-java$JDK_VERSION-sbt-diskcache-$SBT_CACHE_KEY_VERSION" >> "$GITHUB_OUTPUT"
     - name: Check Tool Cache
       id: cache-tool-dir
       shell: bash