bump-version.yml

---
name: "bump-version"

# yamllint disable-line rule:truthy
on:
  workflow_dispatch:
    inputs:
      bump_type:
        description: "Bump type"
        default: "patch"
        required: true
        type: choice
        options:
          - patch
          - minor
          - major

env:
  GITHUB_PUSH_TOKEN: ${{ secrets.GH_ACCESS_TOKEN }}

jobs:
  bump-version:
    name: bump-version
    runs-on: ubuntu-22.04

    steps:
      - name: Checkout
        uses: actions/checkout@v4.1.4
        with:
          fetch-depth: 0
          token: ${{ env.GITHUB_PUSH_TOKEN }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: "Login to GitHub Container Registry"
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          load: true
          push: false
          tags: ghcr.io/${{ github.repository }}:${{ github.sha }}

      - name: Get Latest Tag
        id: latest-tag
        run: |
          echo GIT_LATEST_TAG="$(git describe --tags "$(git rev-list --tags --max-count=1)")" >>"$GITHUB_OUTPUT"

      - name: Compute Next Tag
        id: next-tag
        run: |
          git_next_tag="$(docker run --rm ghcr.io/${{ github.repository }}:${{ github.sha }} --input "${{ steps.latest-tag.outputs.GIT_LATEST_TAG }}" --bump "${{ github.event.inputs.bump_type }}")"
          if [[ -z "$git_next_tag" ]]; then
            echo "Failed to compute next tag"
            docker run --rm ghcr.io/${{ github.repository }}:${{ github.sha }} --input "${{ steps.latest-tag.outputs.GIT_LATEST_TAG }}" --bump "${{ github.event.inputs.bump_type }}"
            exit 1
          fi
          echo "GIT_NEXT_TAG=$git_next_tag" >>"$GITHUB_OUTPUT"

      - name: Create and Push Tag
        run: |
          git config --global user.name 'Dokku Bot'
          git config --global user.email no-reply@dokku.com
          git tag "$GIT_NEXT_TAG"
          git push origin "$GIT_NEXT_TAG"
        env:
          GIT_NEXT_TAG: ${{ steps.next-tag.outputs.GIT_NEXT_TAG }}