run_deploy_on_merge.yml

name: Run Deployment When Pushing to Master

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths:
      - 'src/**'
      - 'build.gradle.kts'

jobs:

  check-app-changes:
    runs-on: ubuntu-latest
    outputs:
      app_changed: ${{ steps.check_app_changes.outputs.app_changed }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@v3
        with:
          token: ${{secrets.BIOKOTLINTOOLSCD}}
          fetch-depth: 0

      - name: Check if app directory changed
        id: check_app_changes
        run: |
          LAST_RELEASE_TAG=$(git describe --tags $(git rev-list --tags --max-count=1))
          echo "LAST_RELEASE_TAG was $LAST_RELEASE_TAG"
          LAST_RELEASE_COMMIT=$(git rev-list -n 1 $LAST_RELEASE_TAG)
          echo "LAST_RELEASE_COMMIT was $LAST_RELEASE_COMMIT"
          
          changed_files=$(git diff-tree --no-commit-id --name-only $LAST_RELEASE_COMMIT $GITHUB_SHA | grep '^src' || echo "none")
          echo "Changed app files: $changed_files"
          
          if [ "$changed_files" != "none" ]; then
            echo "App directory has changed since the last release."
            echo "app_changed=true" >> "$GITHUB_OUTPUT"
          else
            echo "App directory hasn't changed since the last release."
            echo "app_changed=false" >> "$GITHUB_OUTPUT"
          fi

  build-and-release:
    runs-on: ubuntu-latest
    needs: check-app-changes
    if: ${{ needs.check-app-changes.outputs.app_changed == 'true' }}
    steps:

      - name: Checkout repo
        uses: actions/checkout@v3
        with:
          token: ${{secrets.BIOKOTLINTOOLSCD}}

      - name: Setup Miniconda
        uses: conda-incubator/setup-miniconda@v2
        with:
          auto-activate-base: true
          activate-environment: ""
          miniconda-version: "latest"

      # Uses semantic commits to automate version bumping.
      # No scope or "fix:" = PATCH, "feat:" or "minor:" = MINOR, "BREAKING CHANGE:", "major:", or fix/feat with appended "!" = MAJOR
      # Additional details: https://www.conventionalcommits.org/en/v1.0.0/
      - name: Increment version
        run: |
          #!/bin/bash
          COMMIT_MSG=$(git log -1 --pretty=format:"%b" || git log -1 --pretty=format:"%B")
          source version.properties
          BUMP_TYPE="patchVersion"

          if [[ $COMMIT_MSG == *"BREAKING CHANGE"* || $COMMIT_MSG == *"!"* || $COMMIT_MSG == *"major:"* ]]; then
              majorVersion=$((majorVersion + 1))
              minorVersion=0
              patchVersion=0
              BUMP_TYPE="majorVersion"
          elif [[ $COMMIT_MSG == *"feat:"* || $COMMIT_MSG == *"minor:"* ]]; then
              minorVersion=$((minorVersion + 1))
              patchVersion=0
              BUMP_TYPE="minorVersion"
          else
              patchVersion=$((patchVersion + 1))
          fi
          
          echo "majorVersion=$majorVersion" > version.properties
          echo "minorVersion=$minorVersion" >> version.properties
          echo "patchVersion=$patchVersion" >> version.properties

          VERSION=$majorVersion.$minorVersion.$patchVersion
          RELEASE=$majorVersion.$minorVersion
          echo "COMMIT_MSG=$COMMIT_MSG" >> $GITHUB_ENV
          echo "VERSION=$VERSION" >> $GITHUB_ENV
          echo "RELEASE=$RELEASE" >> $GITHUB_ENV
          echo "BUMP_TYPE=$BUMP_TYPE" >> $GITHUB_ENV

      - name: Commit version changes
        uses: EndBug/add-and-commit@v7
        with:
          add: 'version.properties'
          message: Bump ${{ env.BUMP_TYPE }}
          author_email: git-action-bot@example.com
          author_name: Git Action Bot

      - name: Push changes
        uses: ad-m/github-push-action@master
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          branch: ${{ github.ref }}

      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          distribution: temurin
          java-version: '17'
          cache: 'gradle'
      - name: Make gradlew executable
        run: chmod +x ./gradlew

      - name: Build BioKotlin Tools
        run: ./gradlew clean build --no-daemon

      - name: Get matching release
        uses: cardinalby/git-get-release-action@1.2.4
        id: matching_release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          releaseName: v${{ env.RELEASE }}
          doNotFailIfNotFound: 'true'

      - name: Delete matching release if exists
        if: steps.matching_release.outputs.id != ''
        run: |
          curl -X DELETE -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" "https://api.github.com/repos/${{ github.repository }}/releases/${{ steps.matching_release.outputs.id}}"

      # Updates the latest release if just a new patch, drafts a new prerelease if major or minor version has changed
      - name: Make github release
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          release_name: v${{ env.RELEASE }}
          tag: ${{ env.VERSION }}
          file: build/distributions/biokotlin-tools.tar
          asset_name: BioKotlinTools-v${{ env.RELEASE }}.tar
          overwrite: ${{ env.BUMP_TYPE == 'patchVersion' }}
          prerelease: ${{ env.BUMP_TYPE != 'patchVersion' }}
          body: |
            ${{ steps.matching_release.outputs.body }}
            ${{ env.COMMIT_MSG }}