daily-tag.yml

name: Daily tag

on:
  # Run this daily at 13:17 GMT+0, a little after 9AM EST.
  schedule:
    - cron: '17 13 * * *'

  workflow_dispatch:
    inputs:
      tag:
        description: 'Enter version to use as tag'
        required: true

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ssh-key: ${{ secrets.COMMIT_KEY }}

      - name: Get tag
        id: tag
        env:
          INPUT: ${{ github.event.inputs.tag }}
        run: |
          if [ -n "$INPUT" ]; then
            echo "::set-output name=tag::$(echo $INPUT)"  
          else
            # input is empty - daily trigger, so use date
            echo "::set-output name=tag::$(date +'%Y-%m-%d')"  
          fi

      - name: Tag commit
        env:
          TAG: ${{ steps.tag.outputs.tag }}
        run: |
          git tag ${TAG}

      - name: Push tag
        run: |
          git push --tags