servo/.github/workflows/try.yml

name: Try

on:
  issue_comment:
    types: [created]
  push:
    branches: ["try", "try-*"]

jobs:
  parse-comment:
    name: Process Comment or Branch Name
    if: ${{ github.event_name == 'push' || (github.event_name == 'issue_comment' && github.event.issue.pull_request) }}
    runs-on: ubuntu-latest
    outputs:
      configuration: ${{ steps.configuration.outputs.result }}
    steps:
      - uses: actions/github-script@v6
        id: configuration
        with:
          script: |
            function makeComment(body) {
                console.log(body);
                if (context.eventName == "issue_comment") {
                  github.rest.issues.createComment({
                    issue_number: context.issue.number,
                    owner: context.repo.owner,
                    repo: context.repo.repo,
                    body
                  });
                }
            }

            let tryString = "";
            if (context.eventName == "push") {
              // Replace the first instance of "-" in the branch name to make it similar
              // to the try syntax string expected below.
              tryString = process.env.GITHUB_REF_NAME.replace("-", "=");
            } else {
              // This is a pull request comment event.
              let tokens = context.payload.comment.body.split(/\s+/);
              let tagIndex = tokens.indexOf("@bors-servo");
              if (tagIndex == -1 || tagIndex + 1 >= tokens.length) {
                return { try: false };
              }
              tryString = tokens[tagIndex + 1];
            }

            console.log("Found try string: '" + tryString + "'");
            let returnValue = { try: false };
            if (tryString == "try") {
              returnValue = { try: true, platform: 'all', linux_wpt_layout: 'all', mac_wpt_layout: 'none', unit_tests: true, };
            } else if (tryString == "try=linux") {
              returnValue = { try: true, platform: 'linux', linux_wpt_layout: 'none', mac_wpt_layout: 'none', unit_tests: true };
            } else if (tryString == "try=mac") {
              returnValue = { try: true, platform: 'macos', linux_wpt_layout: 'none', mac_wpt_layout: 'none', unit_tests: true };
            } else if (tryString == "try=windows") {
              returnValue = { try: true, platform: 'windows', linux_wpt_layout: 'none', unit_tests: true };
            } else if (tryString == "try=wpt") {
              returnValue = { try: true, platform: 'linux', linux_wpt_layout: '2013', mac_wpt_layout: 'none', unit_tests: false };
            } else if (tryString == "try=wpt-2020") {
              returnValue = { try: true, platform: 'linux', linux_wpt_layout: '2020', mac_wpt_layout: 'none', unit_tests: false };
            } else if (tryString == "try=mac-wpt") {
              returnValue = { try: true, platform: 'macos', linux_wpt_layout: 'none', mac_wpt_layout: '2013', unit_tests: false };
            } else if (tryString == "try=mac-wpt-2020") {
              returnValue = { try: true, platform: 'macos', linux_wpt_layout: 'none', mac_wpt_layout: '2020', unit_tests: false };
            } else {
              makeComment("🤔 Unknown try string '" + tryString + "'");
              return returnValue;
            }

            if (returnValue.try && context.eventName == "issue_comment") {
              let username = context.payload.comment.user.login;
              let result = await github.rest.repos.getCollaboratorPermissionLevel({
                owner: context.repo.owner,
                repo: context.repo.repo,
                username
              });
              if (!result.data.user.permissions.push) {
                makeComment('🔒 User @' + username + ' does not have permission to trigger try jobs.');
                return { try: false };
              }
            }

            const url = context.serverUrl +
              "/" + context.repo.owner +
              "/" + context.repo.repo +
              "/actions/runs/" + context.runId;
            const formattedURL = "[#" + context.runId + "](" + url + ")";
            makeComment("🔨 Triggering try run (" + formattedURL + ") with platform=" + returnValue.platform + " and layout=" + returnValue.layout);
            return returnValue;

  run-try:
    name: Run Try
    needs: ["parse-comment"]
    if: ${{ fromJson(needs.parse-comment.outputs.configuration).try}}
    uses: ./.github/workflows/main.yml
    with:
      platform: ${{ fromJson(needs.parse-comment.outputs.configuration).platform }}
      linux-wpt-layout: ${{ fromJson(needs.parse-comment.outputs.configuration).linux_wpt_layout }}
      mac-wpt-layout: ${{ fromJson(needs.parse-comment.outputs.configuration).mac_wpt_layout }}
      unit-tests: ${{ fromJson(needs.parse-comment.outputs.configuration).unit_tests }}

  results:
    name: Results
    needs: ["parse-comment", "run-try"]
    runs-on: ubuntu-latest
    if: ${{ always() && fromJson(needs.parse-comment.outputs.configuration).try}}
    steps:
      - name: Result Comment
        uses: actions/github-script@v6
        with:
          script: |
              let success = ${{ !contains(needs.*.result, 'failure') && !contains(needs.*.result, 'cancelled') }};

              const url = context.serverUrl +
                "/" + context.repo.owner +
                "/" + context.repo.repo +
                "/actions/runs/" + context.runId;
              const formattedURL = "[#" + context.runId + "](" + url + ")";

              let body = success ?
                "✨ Try run (" + formattedURL + ") " + "succeeded." :
                "⚠️ Try run (" + formattedURL + ") " + "failed.";
              if (context.eventName == "issue_comment") {
                github.rest.issues.createComment({
                  issue_number: context.issue.number,
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  body
                });
              }