PullRequest.yml

name: PullRequest
on:
#  pull_request:
#    branches:
#      - '**'
  pull_request_target:
    branches:
      - '**'


jobs:
  welcome:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v7
        with:
          script: |
            // Get a list of all issues created by the PR opener
            // See: https://octokit.github.io/rest.js/#pagination
            const creator = context.payload.sender.login
            const opts = github.rest.issues.listForRepo.endpoint.merge({
              ...context.issue,
              creator,
              state: 'all'
            })
            const issues = await github.paginate(opts)

            const PR_NUMBER = context.payload.pull_request.number;
            const REPO_OWNER = context.repo.owner;
            const REPO_NAME = context.repo.repo;
            // Check if the 'greeted' label is already present
            const { data: labels } = await github.rest.issues.listLabelsOnIssue({
              owner: REPO_OWNER,
              repo: REPO_NAME,
              issue_number: PR_NUMBER,
            });
            const alreadyGreeted = labels.some(label => label.name === 'greeted');

            // Don't post the message more than once.
            if (alreadyGreeted) {
              console.log(`PR #${PR_NUMBER} has already been greeted.`);
              return 
            }

            for (const issue of issues) {
              if (issue.number === context.issue.number) {
                continue
              }
              if (issue.pull_request) {
                console.log(`Creator #${creator} has already been greeted.`);
                return // Creator is already a contributor.
              }
            }

            await github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: `**Welcome**, new contributor!

              Thank you for uploading your design.

              If you have not already checked it, please run the SiEPIC Functional Verification in KLayout, using the menu SiEPIC-Verification-Functional Layout Check (V).  
                    
              You may continue making updates to your design, or even contributing additonal designs (using a separate file name), until the tape-out deadline.
              `
            })

            // Add the 'greeted' label to mark this PR as greeted
            await github.rest.issues.addLabels({
              owner: REPO_OWNER,
              repo: REPO_NAME,
              issue_number: PR_NUMBER,
              labels: ['greeted'],
            });

            console.log(`Welcome message posted for PR #${PR_NUMBER}`);