milestone_assign.yml

name: Auto Assign Milestone
on:
  issues:
    types: [opened]
  pull_request:
    types: [opened]

permissions:
  issues: write
  pull-requests: write
  contents: read

jobs:
  assign-milestone:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Assign current milestone
        uses: actions/github-script@v7
        with:
          script: |
            const milestones = await github.rest.issues.listMilestones({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'open',
              sort: 'due_on',
              direction: 'asc'
            });
            
            if (milestones.data.length > 0) {
              const currentMilestone = milestones.data[0];
              
              try {
                await github.rest.issues.update({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: context.issue.number,
                  milestone: currentMilestone.number
                });
              } catch (error) {
                console.error('Failed to update issue with milestone:', error);
              }
            }