tag-release.yml

name: Tag Release
on:
  workflow_dispatch: {}
permissions: {}
jobs:
  tagrelease:
    permissions:
      contents: write # To create a branch and tags
    runs-on: ubuntu-latest

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

      - name: Check out code
        uses: actions/checkout@v4

      - name: Fetch all git tags
        run: git fetch --tags origin

      - name: Compute new version number
        run: |
          echo versionNumber=$(git tag -l --sort=version:refname | grep -v '-' | tail -1 | awk '{print $2 + 1}' FS='.') >> "$GITHUB_ENV"

      - name: Create release branch
        run: git checkout -b train-${{ env.versionNumber }}

      - name: Initialize mandatory git config
        run: |
          git config user.name "${{ github.triggering_actor }}"
          git config user.email "noreply@github.com"

      - name: Commit update to branch
        if: env.versionNumber != ''
        run: |
          git push origin train-${{ env.versionNumber }}

      - name: Make a new tag
        if: env.versionNumber != ''
        run: |
          git tag -a "v1.${{ env.versionNumber }}.0" -m "Train release ${{ env.versionNumber }}"
          git push origin v1.${{ env.versionNumber }}.0