check-for-new-sarasa-gothic.yml

name: create tag if there's a new Sarasa Gothic version

on:
  # runs every 3 hours
  schedule:
    - cron: '0 */3 * * *'
  # allow manually trigger
  workflow_dispatch:

jobs:
  check:
    runs-on: ubuntu-22.04
    outputs:
      should-update: ${{ steps.check.outputs.should-update }}
      latest-tag-with-revision: ${{ steps.check.outputs.latest-tag-with-revision }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: check
        id: check
        run: |
          # get the latest tag
          LATEST_TAG=$(curl --silent https://api.github.com/repos/be5invis/Sarasa-Gothic/releases/latest | jq -r .tag_name)

          if [[ "${LATEST_TAG}" == "null" ]]; then
            echo cannot get latest tag of be5invis/Sarasa-Gothic, skipping...
            exit 1
          fi

          echo latest tag of be5invis/Sarasa-Gothic is ${LATEST_TAG}

          # set initial revision as 0
          LATEST_TAG_WITH_REVISION="${LATEST_TAG}-0"

          # check if we already have a matching tag
          if git rev-parse ${LATEST_TAG_WITH_REVISION} >/dev/null 2>&1; then
            echo "${LATEST_TAG_WITH_REVISION}" tag exists, do nothing.
            echo "should-update=false" >> $GITHUB_OUTPUT
            exit 0
          fi

          echo a newer version is available
          echo "should-update=true" >> $GITHUB_OUTPUT
          echo "latest-tag-with-revision=${LATEST_TAG_WITH_REVISION}" >> $GITHUB_OUTPUT

  tag:
    needs: check
    if: ${{ needs.check.outputs.should-update == 'true' }}
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.WORKFLOW_PERSONAL_ACCESS_TOKEN }}
      - name: create tag ${{ needs.check.outputs.latest-tag-with-revision }}
        run: |
          LATEST_TAG_WITH_REVISION="${{ needs.check.outputs.latest-tag-with-revision }}"
          echo ${LATEST_TAG_WITH_REVISION} tag does not exist, tag it to trigger next action.
          git config user.name 'github-actions[bot]'
          git config user.email '41898282+github-actions[bot]@users.noreply.github.com'
          git tag -a ${LATEST_TAG_WITH_REVISION} -m "🎉 build: release version ${LATEST_TAG_WITH_REVISION}"
          git push origin --tags