release-tag.yml

name: Re-tag major version
on:
  release:
    types: [released]
  workflow_dispatch:
    inputs:
      TAG_NAME:
        description: 'Tag name that the major tag will point to'
        required: true

env:
  TAG_NAME: ${{ github.event.inputs.TAG_NAME || github.event.release.tag_name }}
permissions:
  contents: write

jobs:
  update_tag:
    name: Update the major tag to include the ${{ github.event.inputs.TAG_NAME || github.event.release.tag_name }} changes
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Checkout release tag
        run: |
          git fetch --all
          git ls-remote --tags
          git checkout refs/tags/${{ env.TAG_NAME }}
      - name: Determine major version
        id: major-version
        run: |
          MAJOR_VERSION=`cut -d '.' -f 1 <<< "${{ env.TAG_NAME }}"`
          echo "VERSION=v$MAJOR_VERSION" >> $GITHUB_OUTPUT

      - name: Retag major version
        run: |
          git tag -d ${{ steps.major-version.outputs.VERSION }}
          git push origin :refs/tags/${{ steps.major-version.outputs.VERSION }}
          git tag ${{ steps.major-version.outputs.VERSION }}
          git push origin tag ${{ steps.major-version.outputs.VERSION }}