update-eea-files.yml

# SPDX-FileCopyrightText: © Vegard IT GmbH (https://vegardit.com) and others.
# SPDX-FileContributor: Sebastian Thomschke (Vegard IT GmbH)
# SPDX-License-Identifier: EPL-2.0
#
# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions
name: Update EEA Files

on:
  schedule:
    # https://docs.github.com/en/free-pro-team@latest/actions/reference/events-that-trigger-workflows
    - cron: '0 5 * * *' # daily at 5 a.m.
  workflow_dispatch:
    # https://github.blog/changelog/2020-07-06-github-actions-manual-triggers-with-workflow_dispatch/
    inputs:
      additional_maven_args:
        description: 'Additional Maven Args'
        required: false
        default: ''
      library:
        description: 'Name of the library to update (e.g. java-17). If left empty all libraries are updated.'
        required: false
        default: ''


defaults:
  run:
    shell: bash


jobs:

  ###########################################################
  build:
  ###########################################################
    runs-on: ubuntu-latest

    steps:
    - name: "Show: GitHub context"
      env:
        GITHUB_CONTEXT: ${{ toJSON(github) }}
      run: echo $GITHUB_CONTEXT


    - name: "Show: environment variables"
      run: env | sort


    - name: Git Checkout
      uses: actions/checkout@v4  # https://github.com/actions/checkout


    - name: "Install: JDK 17 ☕"
      id: setup-java-17
      uses: actions/setup-java@v4  # https://github.com/actions/setup-java
      with:
        distribution: temurin
        java-version: 17


    - name: "Install: JDK 21 ☕"
      id: setup-java-21
      uses: actions/setup-java@v4  # https://github.com/actions/setup-java
      with:
        distribution: temurin
        java-version: 21


    - name: Set JAVA_HOME env vars
      run: |
        echo "JAVA17_HOME=${{ steps.setup-java-17.outputs.path }}" >> $GITHUB_ENV
        echo "JAVA21_HOME=${{ steps.setup-java-21.outputs.path }}" >> $GITHUB_ENV


    - name: "Show: toolchains.xml"
      run: cat "$HOME/.m2/toolchains.xml"


    - name: "Cache: Local Maven Repository"
      uses: actions/cache@v4
      if: ${{ !github.event.inputs.additional_maven_args && !github.event.inputs.library }}
      with:
        # Excluded sub directory not working https://github.com/actions/toolkit/issues/713
        path: |
          ~/.m2/repository/*
          !~/.m2/repository/*SNAPSHOT*
        key: ${{ runner.os }}-mvn-${{ hashFiles('**/pom.xml') }}


    - name: "Update EEA Files 🔨"
      id: eea_updates
      run: |
        set -euo pipefail

        MAVEN_OPTS="${MAVEN_OPTS:-}"
        MAVEN_OPTS+=" -Djava.security.egd=file:/dev/./urandom" # https://stackoverflow.com/questions/58991966/what-java-security-egd-option-is-for/59097932#59097932
        MAVEN_OPTS+=" -Dorg.slf4j.simpleLogger.showDateTime=true -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss,SSS" # https://stackoverflow.com/questions/5120470/how-to-time-the-different-stages-of-maven-execution/49494561#49494561
        MAVEN_OPTS+=" -Xmx1024m -Djava.net.preferIPv4Stack=true -Dhttps.protocols=TLSv1.3,TLSv1.2"
        export MAVEN_OPTS
        echo "MAVEN_OPTS: $MAVEN_OPTS"

        ./mvnw \
          --errors \
          --no-transfer-progress \
          --batch-mode \
          --show-version \
          clean verify \
          $( [[ -n "${{ github.event.inputs.library }}"  ]] && echo '-pl "libraries/${{ github.event.inputs.library }}" -am' || true ) \
          -Deea-generator.action=generate \
          ${{ github.event.inputs.additional_maven_args }}

        updates=$(git -C . ls-files -o -m -d --exclude-standard | head -n 50 || true)  # "|| true" is to mitgate exit code 141

        if [[ -z $updates ]]; then
          echo "updates=" >> "$GITHUB_OUTPUT"
        else
          # https://github.com/orgs/community/discussions/26288#discussioncomment-3876281
          delimiter="$(openssl rand -hex 8)"
          echo "updates<<${delimiter}" >> "${GITHUB_OUTPUT}"
          echo "${updates}" >> "${GITHUB_OUTPUT}"
          echo "${delimiter}" >> "${GITHUB_OUTPUT}"
        fi


    - name: Create PR
      id: create-pr
      uses: peter-evans/create-pull-request@v7  # https://github.com/peter-evans/create-pull-request
      if: steps.eea_updates.outputs.updates
      with:
        title: "chore: Update ${{ github.event.inputs.library && format('{0} ', github.event.inputs.library) || '' }}EEA files"
        author: "github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>"
        committer: "github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>"
        commit-message: "chore: Update EEA ${{ github.event.inputs.library && format('{0} ', github.event.inputs.library) || '' }}files"
        body: ${{ steps.eea_updates.outputs.updates }}
        add-paths: libraries
        branch: ${{ github.event.inputs.library && format('eea_{0}_updates', github.event.inputs.library) || 'eea_updates' }}
        delete-branch: true
        token: ${{ github.token }}