set-milestone-on-pr.yaml

name: Set Milestone
on:
  pull_request:
    types:
      - assigned
      - opened
      - synchronize
      - reopened
      - edited
      - ready_for_review
      - review_requested
jobs:
  set-milestone:
    if: github.event.pull_request.milestone == null
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v1
      - name: 'Get Previous tag'
        id: previoustag
        uses: "WyriHaximus/github-action-get-previous-tag@master"
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
      - name: 'Get next minor version'
        id: semvers
        uses: "WyriHaximus/github-action-next-semvers@master"
        with:
          version: ${{ steps.previoustag.outputs.tag }}
      - name: 'Get Milestones'
        uses: "WyriHaximus/github-action-get-milestones@master"
        id: milestones
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
      - run: printf "::set-output name=number::%s" $(printenv MILESTONES | jq --arg MILESTONE $(printenv MILESTONE) '.[]  | select(.title == $MILESTONE) | .number')
        id: querymilestone
        env:
          MILESTONES: ${{ steps.milestones.outputs.milestones }}
          MILESTONE: ${{ steps.semvers.outputs.minor }}
      - name: 'Create Milestone'
        if: steps.querymilestone.outputs.number == ''
        id: createmilestone
        uses: "WyriHaximus/github-action-create-milestone@master"
        with:
          title: ${{ steps.semvers.outputs.minor }}
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
      - name: 'Select found or created Milestone'
        id: selectmilestone
        run: |
            if [ $(echo ${QUERY_NUMBER} | wc -c) -eq 1 ] ; then
              printf "::set-output name=number::%s" "${CREATED_NUMBER}"
              exit 0
            fi

            printf "::set-output name=number::%s" "${QUERY_NUMBER}"
        env:
          CREATED_NUMBER: ${{ steps.createmilestone.outputs.number }}
          QUERY_NUMBER: ${{ steps.querymilestone.outputs.number }}
      - name: 'Set Milestone'
        uses: "WyriHaximus/github-action-set-milestone@master"
        with:
          issue_number: ${{ github.event.pull_request.number }}
          milestone_number: ${{ steps.selectmilestone.outputs.number }}
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"