increment-milestones-on-tag.yaml

name: Increment milestones on tag
on:
  create

jobs:
  increment_milestone:
    if: github.event.ref_type == 'tag' && contains(github.ref_name,'-RC') == false && github.event.master_branch == 'master'
    runs-on: ubuntu-latest
    steps:
      - name: Get milestone title
        id: milestoneTitle
        uses: actions/github-script@47f7cf65b5ced0830a325f705cad64f2f58dddf7 # 3.1.0
        with:
          result-encoding: string
          script: |
            // Our tags are of the form vX.X.X and milestones don't have the "v"
            return '${{github.event.ref}}'.startsWith('v') ? '${{github.event.ref}}'.substring(1) : '${{github.event.ref}}';
      - name: Get milestone for tag
        id: milestone
        uses: actions/github-script@47f7cf65b5ced0830a325f705cad64f2f58dddf7 # 3.1.0
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            const milestones = await github.paginate(github.issues.listMilestones, {
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'all'
            })

            const milestone = milestones.find(milestone => milestone.title == '${{steps.milestoneTitle.outputs.result}}')

            if (milestone) {
              return milestone.number
            } else {
              return null
            }
      - name: Close milestone
        if: fromJSON(steps.milestone.outputs.result)
        uses: actions/github-script@47f7cf65b5ced0830a325f705cad64f2f58dddf7 # 3.1.0
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            await github.issues.updateMilestone({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'closed',
              milestone_number: ${{steps.milestone.outputs.result}}
            })
      - name: Get next minor version
        if: fromJSON(steps.milestone.outputs.result)
        id: semvers
        uses: WyriHaximus/github-action-next-semvers@33d116a4c239252582a60a1ba8dbba63ad493ffd # 1.1.0
        with:
          version: ${{steps.milestoneTitle.outputs.result}}
      - name: Create next milestone
        if: fromJSON(steps.milestone.outputs.result)
        uses: WyriHaximus/github-action-create-milestone@b86699ba7511fa3b61154ac8675d86b01938fc16 # 1.0.0
        with:
          title: ${{ steps.semvers.outputs.minor }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}