mcp-microsoft/.github/workflows/auto-milestone-bugbash.yml

name: "Auto-assign milestone for Bug Bash template issues"

on:
  issues:
    types: [opened]

permissions:
  issues: write
  contents: read

env:
  TARGET_MILESTONE: "2025-10"

jobs:
  set-milestone:
    runs-on: ubuntu-latest
    if: >
      github.event.issue.state == 'open' &&
      contains(join(github.event.issue.labels.*.name, ','), 'Bug-Bash') &&
      contains(join(github.event.issue.labels.*.name, ','), 'Azure.Mcp.Server') &&
      contains(github.event.issue.body, '<!-- TEMPLATE: bug-bash-v1 -->')
    steps:
      - name: Apply milestone if missing
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
        with:
          script: |
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            const issue_number = context.issue.number;

            if (context.payload.issue.milestone) {
              core.info('Issue already has a milestone. Skipping.');
              return;
            }

            const targetTitle = process.env.TARGET_MILESTONE;
            const milestones = await github.paginate(
              github.rest.issues.listMilestones,
              { owner, repo, state: "open", per_page: 100 }
            );
            const ms = milestones.find(m => m.title === targetTitle);
            if (!ms) {
              core.warning(`Milestone "${targetTitle}" not found. Create it first.`);
              return;
            }

            await github.rest.issues.update({
              owner, repo, issue_number, milestone: ms.number
            });
            core.info(`Milestone "${targetTitle}" applied to #${issue_number}.`);