action.yml

name: "Restore the built server"
description: "Downloads the packaged reactor into server/ and installs its generated-clients JAR, so Maven goals run against the built classes instead of compiling again."
inputs:
  artifact:
    description: "Name of the reactor artifact uploaded by the package job"
    required: true
outputs:
  executable-jar:
    description: "Absolute path of the executable application JAR"
    value: ${{ steps.locate.outputs.executable-jar }}

runs:
  using: "composite"
  steps:
    - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
      with:
        name: ${{ inputs.artifact }}
        path: server

    - name: Install the generated clients and locate the executable JAR
      id: locate
      shell: bash
      working-directory: server
      run: |
        set -euo pipefail
        test -d application/target/classes
        test -d application/target/test-classes
        mapfile -t jars < <(find application/target -maxdepth 1 -name 'hephaestus-application-*.jar')
        mapfile -t clients < <(find generated-clients/target -maxdepth 1 -name 'hephaestus-generated-clients-*.jar')
        (( ${#jars[@]} == 1 )) && (( ${#clients[@]} == 1 ))
        # Single-module goals resolve the sibling from the local repository, not from the reactor;
        # reading its descriptor needs the parent pom there too.
        ./mvnw --batch-mode --quiet -Dmaven.build.cache.enabled=false install:install-file \
          -Dfile=pom.xml -DpomFile=pom.xml -Dpackaging=pom
        ./mvnw --batch-mode --quiet -Dmaven.build.cache.enabled=false install:install-file \
          -Dfile="${clients[0]}" -DpomFile=generated-clients/pom.xml
        echo "executable-jar=$PWD/${jars[0]}" >> "$GITHUB_OUTPUT"