prerelease.yml

name: Prerelease
on:
  workflow_run:
    workflows: [Build]
    types: [completed]

jobs:
  # Prepare a draft release for GitHub Releases page for the manual verification
  # If accepted and published, release workflow would be triggered
  releaseDraft:
    name: Release Draft
    if: github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.event != 'pull_request'
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:

      # Check out the current repository
      - name: Fetch Sources
        uses: actions/checkout@v4

      # Remove old release drafts by using the curl request for the available releases with a draft flag
      - name: Remove Old Release Drafts
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh api repos/{owner}/{repo}/releases \
            --jq '.[] | select(.draft == true) | .id' \
            | xargs -I '{}' gh api -X DELETE repos/{owner}/{repo}/releases/{}

      - name: Download plugin
        uses: dawidd6/action-download-artifact@v2
        with:
          workflow: build.yml
          commit: ${{github.event.workflow_run.head_sha}}
          name: ".+[Ss]urveyor-\\d.+"
          name_is_regexp: true
          path: plugin-artifact

      - name: Extract manifest data
        id: prepare
        run: |
          unzip "$(find ${{ github.workspace }}/plugin-artifact/*/*.zip)" -d ${{ github.workspace }}/plugin-artifact
          unzip "$(find ${{ github.workspace }}/plugin-artifact/*/lib/instrumented-plugin-*.jar)" -d ${{ github.workspace }}/plugin-artifact

          echo "version=$(yq '.Version' ${{ github.workspace }}/plugin-artifact/META-INF/MANIFEST.MF)" >> "$GITHUB_OUTPUT"

          EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
          echo "changelog<<$EOF" >> "$GITHUB_OUTPUT"
          yq -p=xml -o=yaml '.idea-plugin.change-notes' ${{ github.workspace }}/plugin-artifact/META-INF/plugin.xml >> "$GITHUB_OUTPUT"
          echo "$EOF" >> "$GITHUB_OUTPUT"
          cat "$GITHUB_OUTPUT"

          rm -r ${{ github.workspace }}/plugin-artifact

      # Create a new release draft which is not publicly visible and requires manual acceptance
      - name: Create Release Draft
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release create "v${{ steps.prepare.outputs.version }}" \
            --draft \
            --title "v${{ steps.prepare.outputs.version }}" \
            --notes "$(cat << 'EOM'
          ${{ steps.prepare.outputs.changelog }}
          EOM
          )"