2.1.continuous.delivery.yml

name: 2.1 Version Changes to the Main Branch

on:
  push:
    branches:
      - main
  workflow_call: {}

jobs:
  version-main-branch-changes:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/create-github-app-token@v1
        id: generate-app-token
        with:
          app-id: ${{ vars.APP_ID_ACTIONS_ASSISTANT }}
          private-key: ${{ secrets.APP_PRIVATE_KEY_ACTIONS_ASSISTANT }}

      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          token: ${{ steps.generate-app-token.outputs.token }}

      - name: Get last version number
        id: get_last_version
        run: |
          # Retrieve the last git tag, as we will only be processing one delivery line.
          last_version=$(git describe --tags --abbrev=0 2>/dev/null || echo "0.0.0")
          echo "Last version is $last_version"
          echo "last_version=$last_version" >> "$GITHUB_OUTPUT"

      - name: Get new version number
        id: get_new_version
        run: |
          major=$(echo $last_version | cut -d. -f1)
          minor=$(echo $last_version | cut -d. -f2)
          patch=$(echo $last_version | cut -d. -f3)

          new_patch=$((patch+1))

          new_version="$major.$minor.$new_patch"

          echo "New version is $new_version"
          echo "new_version=$new_version" >> "$GITHUB_OUTPUT"
        env:
          last_version: ${{ steps.get_last_version.outputs.last_version }}

      - name: Create tag for the new version
        run: |
          git config --global user.name "${GITHUB_ACTOR}"
          git config --global user.email "${GITHUB_ACTOR}@users.noreply.github.com"

          if git tag -a "$new_version" -m "Version $new_version"; then
            git push --follow-tags origin "$new_version"
          else
            echo "Failed to creat tag $new_version, it probably already exists"
          fi
        env:
          new_version: ${{ steps.get_new_version.outputs.new_version }}-release