typeflows/.github/workflows/auto-release.yml at main · http4k/typeflows · GitHub

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name: Auto Release
on:
  schedule:
  - cron: 0 12 * * *
  workflow_dispatch:
permissions:
  contents: write
jobs:
  auto-release:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout repository
      uses: actions/checkout@v5.0.0
      with:
        token: ${{ secrets.TOOLBOX_REPO_TOKEN }}
        fetch-depth: 0

    - name: Set up JDK
      uses: actions/setup-java@v5.0.0
      with:
        java-version: '21'
        distribution: temurin

    - name: Setup Gradle
      uses: gradle/actions/setup-gradle@v5.0.0

    - name: Update library versions
      run: ./gradlew versionCatalogUpdate
      shell: bash

    - name: Update Gradle wrapper
      # Run twice: the first pass updates gradle-wrapper.properties,
      # the second pass regenerates gradle-wrapper.jar + gradlew scripts
      # using the new version.
      run: |
        ./gradlew wrapper --gradle-version=latest --distribution-type=bin
        ./gradlew wrapper --gradle-version=latest --distribution-type=bin
      shell: bash

    - name: Sync wrapper into project standards resources
      # The Http4kProjectStandards resources bundle a copy of the Gradle
      # wrapper that is templated into generated projects. Copy the freshly
      # updated wrapper across so the release PR carries the new files too.
      run: |
        STANDARDS=src/main/resources/org/http4k/typeflows/Http4kProjectStandards
        cp gradlew "$STANDARDS/gradlew"
        cp gradlew.bat "$STANDARDS/gradlew.bat"
        cp gradle/wrapper/gradle-wrapper.jar "$STANDARDS/gradle/wrapper/gradle-wrapper.jar"
        cp gradle/wrapper/gradle-wrapper.properties "$STANDARDS/gradle/wrapper/gradle-wrapper.properties"
      shell: bash

    - name: Check for changes
      id: changes
      run: |
        if git diff --quiet; then
          echo "has_changes=false" >> $GITHUB_OUTPUT
        else
          echo "has_changes=true" >> $GITHUB_OUTPUT
        fi
      shell: bash

    - name: Verify build still passes
      if: steps.changes.outputs.has_changes == 'true'
      run: ./gradlew check
      shell: bash

    - name: Compute next version
      if: steps.changes.outputs.has_changes == 'true'
      id: version
      run: |
        CURRENT=$(jq -r '.http4k.version' version.json)
        IFS='.' read -r MAJOR MINOR _ _ <<< "$CURRENT"
        NEW="$MAJOR.$((MINOR + 1)).0.0"
        echo "Bumping $CURRENT -> $NEW"
        echo "current=$CURRENT" >> $GITHUB_OUTPUT
        echo "new=$NEW" >> $GITHUB_OUTPUT
      shell: bash

    - name: Rewrite version references
      if: steps.changes.outputs.has_changes == 'true'
      env:
        CURRENT: ${{ steps.version.outputs.current }}
        NEW: ${{ steps.version.outputs.new }}
      run: |
        find . -name "*.md" -not -name "CHANGELOG*" -print0 \
          | xargs -0 perl -i -pe 's/\Q$ENV{CURRENT}\E/$ENV{NEW}/g'
        perl -i -pe 's/\Q$ENV{CURRENT}\E/$ENV{NEW}/g' version.json
      shell: bash

    - name: Prepend CHANGELOG entry
      if: steps.changes.outputs.has_changes == 'true'
      env:
        NEW: ${{ steps.version.outputs.new }}
      # upload-release.yml extracts the section matching the version for the
      # GitHub release notes, so the new entry has to land in CHANGELOG.md
      # before the commit. Inserts directly above the previous top entry.
      run: |
        perl -i -pe 'BEGIN { $inserted = 0 }
          if (!$inserted && /^### /) {
            print "### $ENV{NEW}\n- Upgrade underlying libraries (Gradle etc)\n\n";
            $inserted = 1;
          }' CHANGELOG.md
      shell: bash

    - name: Commit and push release
      if: steps.changes.outputs.has_changes == 'true'
      env:
        NEW: ${{ steps.version.outputs.new }}
      run: |
        git config user.name github-actions
        git config user.email github-actions@github.com
        git commit -am "Release $NEW"
        git push origin HEAD:main
      shell: bash