Add output parameter with path to installed JDK #65
Description
When calling the action several times, it will overwrite the JAVA_HOME environment variable and prepend it to the PATH, effectively shadowing a previous run of the action.
Fortunately, it will also set a JAVA_HOME_<version>_<architecture> environment variable, but this could be more idiomatic as an output parameter (in addition to the environment variable, which can also be useful on its own: #44 (comment))
This would be a great addition to #21
That way, one could write something like:
- name: Setup JDK 11
id: setup-java-11
uses: actions/setup-java@v1
with:
java-version: 11
# here with #21, one would disable "installation"
- name: Setup JDK 14
id: setup-java-14
uses: actions/setup-java@v1
with:
java-version: 14
# here with #21, one would disable "installation"
- name: Setup JDK 8
# Ran last due each run shadowing the previous ones; see also #21
uses: actions/setup-java@v1
with:
java-version: 8
- name: Build and run tests (with JDK 8)
run: ./gradlew build
- name: Run tests with JDK 11
run: ./gradlew test -Ptest.jdk-path="${{ steps.setup-java-11.outputs.jdk-path }}"
- name: Run tests with JDK 14
run: ./gradlew test -Ptest.jdk-path="${{ steps.setup-java-14.outputs.jdk-path }}"(here, the build is still running with JDK 8, but it coud configure its tests to actually use another JDK)
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