hugo-theme-relearn/.github/workflows/release.yaml

name: Release

on:
  workflow_dispatch:
    inputs:
      milestone:
        description: 'Milestone for this release'
        required: true

jobs:
  release_state:
    name: Get tag and milestone state
    runs-on: ubuntu-latest
    env:
      MILESTONE: ${{ github.event.inputs.milestone }} # To avoid code injection
    outputs:
      has_closed_issues: ${{ fromJSON(steps.closed_issues.outputs.data).search.issueCount > 0 }}
      has_open_issues: ${{ fromJSON(steps.open_issues.outputs.data).search.issueCount > 0 }}
      has_unique_tag: ${{ steps.unique_tag.outcome == 'failure' }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Get closed issues for milestone
        id: closed_issues
        uses: octokit/graphql-action@v2.x
        with:
          query: |
            query {
              search(first: 1, type: ISSUE, query: "user:${{ github.repository_owner }} repo:${{ github.event.repository.name }} milestone:${{ env.MILESTONE }} state:closed") {
                issueCount
              }
            }            
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Get open issues for milestone
        id: open_issues
        uses: octokit/graphql-action@v2.x
        with:
          query: |
            query {
              search(first: 1, type: ISSUE, query: "user:${{ github.repository_owner }} repo:${{ github.event.repository.name }} milestone:${{ env.MILESTONE }} state:open") {
                issueCount
              }
            }            
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Get tag uniqueness
        id: unique_tag
        continue-on-error: true
        run: git rev-parse "$MILESTONE" --

  release_log:
    name: Log tag and milestone state
    needs: release_state
    runs-on: ubuntu-latest
    env:
      MILESTONE: ${{ github.event.inputs.milestone }} # To avoid code injection
    steps:
      - run: "echo has unique tag   : ${{ needs.release_state.outputs.has_unique_tag }}"
      - run: "echo has closed issues: ${{ needs.release_state.outputs.has_closed_issues }}"
      - run: "echo has open issues  : ${{ needs.release_state.outputs.has_open_issues }}"

  release:
    name: Create release
    needs: release_state
    if: needs.release_state.outputs.has_closed_issues == 'true' && needs.release_state.outputs.has_open_issues == 'false' && needs.release_state.outputs.has_unique_tag == 'true'
    runs-on: ubuntu-latest
    env:
      MILESTONE: ${{ github.event.inputs.milestone }} # To avoid code injection
      GREN_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@v2

      - name: Setup node
        uses: actions/setup-node@v2
        with:
          node-version: '16'

      - name: Setup git env
        run: |
          git config user.name "GitHub Actions Bot"
          git config user.email "<>"          

      - name: Close milestone
        uses: Akkjon/close-milestone@v2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          milestone_name: ${{ env.MILESTONE }}

      - name: Create provisionary tag
        run: git tag --message "" "$MILESTONE"

      - name: Push provisionary tag
        run: git push origin "$MILESTONE"

      - name: Update changelog
        run: npx github-release-notes@0.17.1 changelog --generate --override --tags=all

      - name: Stage changelog
        run: git add *

      - name: Commit changelog
        run: git commit --message "Ship tag $MILESTONE"

      - name: Push changelog
        run: git push origin main

      - name: Create final tag
        run: git tag --force --message "" "$MILESTONE"

      - name: Push final tag
        run: git push --force origin "$MILESTONE"

      - name: Publish release
        run: npx github-release-notes@0.17.1 release --tags "$MILESTONE"