.github/workflows/ecosystem-ci-trigger.yml

name: ecosystem-ci trigger

on:
  issue_comment:
    types: [created]

jobs:
  trigger:
    runs-on: ubuntu-latest
    if: github.repository == 'vitejs/vite' && github.event.issue.pull_request && startsWith(github.event.comment.body, '/ecosystem-ci run')
    permissions:
      issues: write # to add / delete reactions
      pull-requests: write # to read PR data, and to add labels
      actions: read # to check workflow status
      contents: read # to clone the repo
    steps:
      - name: Check User Permissions
        uses: actions/github-script@v7
        id: check-permissions
        with:
          script: |
            const user = context.payload.sender.login
            console.log(`Validate user: ${user}`)

            const additionalAllowedUsers = ['lukastaegert']

            let hasTriagePermission = false
            try {
              const { data } = await github.rest.repos.getCollaboratorPermissionLevel({
                owner: context.repo.owner,
                repo: context.repo.repo,
                username: user,
              });
              hasTriagePermission = data.user.permissions.triage
            } catch (e) {
              console.warn(e)
            }

            if (hasTriagePermission || additionalAllowedUsers.includes(user)) {
              console.log('User is allowed. Adding +1 reaction.')
              await github.rest.reactions.createForIssueComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: context.payload.comment.id,
                content: '+1',
              })
            } else {
              console.log('User is not allowed. Adding -1 reaction.')
              await github.rest.reactions.createForIssueComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: context.payload.comment.id,
                content: '-1',
              })
              throw new Error('User does not have the necessary permissions.')
            }

      - name: Get PR Data
        uses: actions/github-script@v7
        id: get-pr-data
        with:
          script: |
            console.log(`Get PR info: ${context.repo.owner}/${context.repo.repo}#${context.issue.number}`)
            const { data: pr } = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number
            })
            core.setOutput('head_sha', pr.head.sha)
            return {
              num: context.issue.number,
              branchName: pr.head.ref,
              commit: pr.head.sha,
              repo: pr.head.repo.full_name
            }

      - name: Check Package Existence
        uses: actions/github-script@v7
        id: check-package
        with:
          script: |
            const prData = ${{ steps.get-pr-data.outputs.result }}
            const url = `https://pkg.pr.new/vite@${prData.commit}`
            const response = await fetch(url)
            console.log(`Package check URL: ${url}, Status: ${response.status}`)

            // Add 'rocket' reaction to the issue comment
            if (response.status === 404) {
              const { data: reaction } = await github.rest.reactions.createForIssueComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: context.payload.comment.id,
                content: 'rocket',
              })
              return { exists: false, reaction: reaction.id }
            }

            return { exists: true, reaction: null }

      - name: Generate Token
        id: generate-token
        uses: actions/create-github-app-token@v2
        with:
          app-id: ${{ secrets.ECOSYSTEM_CI_GITHUB_APP_ID }}
          private-key: ${{ secrets.ECOSYSTEM_CI_GITHUB_APP_PRIVATE_KEY }}
          repositories: |
            vite
            vite-ecosystem-ci

      - name: Trigger Preview Release (if Package Not Found)
        if: fromJSON(steps.check-package.outputs.result).exists == false
        uses: actions/github-script@v7
        id: trigger-preview-release
        with:
          github-token: ${{ steps.generate-token.outputs.token }}
          script: |
            const prData = ${{ steps.get-pr-data.outputs.result }}
            console.log('Package not found, triggering preview release...')

            // Add label "trigger: preview" to the PR
            await github.rest.issues.addLabels({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: prData.num,
              labels: ['trigger: preview']
            })
            console.log('Added "trigger: preview" label.')

      - name: Wait for Preview Release Completion (if Package Not Found)
        if: fromJSON(steps.check-package.outputs.result).exists == false
        uses: actions/github-script@v7
        id: wait-preview-release
        with:
          script: |
            const prData = ${{ steps.get-pr-data.outputs.result }}
            const reaction = ${{ fromJSON(steps.check-package.outputs.result).reaction }}
            const workflowFileName = 'preview-release.yml'
            const workflow = await github.rest.actions.getWorkflow({
              owner: context.repo.owner,
              repo: context.repo.repo,
              workflow_id: workflowFileName,
            })
            const workflowId = workflow.data.id
            console.log(`Waiting for workflow ID ${workflowId} to complete...`)

            const maxRetries = 60 // Wait up to 10 minutes
            const delay = 10000 // 10 seconds
            let completed = false

            for (let i = 0; i < maxRetries; i++) {
              const runsData = await github.rest.actions.listWorkflowRuns({
                owner: context.repo.owner,
                repo: context.repo.repo,
                workflow_id: workflowId,
                head_sha: prData.commit,
                per_page: 100,
                page: 1,
              })

              const runs = runsData.data.workflow_runs

              if (runs.length > 0) {
                const latestRun = runs[0]
                console.log(`Latest run status: ${latestRun.status}, conclusion: ${latestRun.conclusion}`)
                if (latestRun.status === 'completed') {
                  if (latestRun.conclusion === 'success') {
                    console.log('Preview release workflow completed successfully.')
                    completed = true
                    break
                  } else if (latestRun.conclusion === 'skipped') {
                   // noop
                  } else {
                    throw new Error('Preview Release workflow failed.')
                  }
                }
              }

              console.log(`Retrying... (${i + 1}/${maxRetries})`)
              await new Promise(resolve => setTimeout(resolve, delay))
            }

            if (!completed) {
              throw new Error('Preview Release workflow did not complete in time.')
            }

            // Remove the 'rocket' reaction
            if (reaction) {
              await github.rest.reactions.deleteForIssueComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: context.payload.comment.id,
                reaction_id: reaction,
              })
              console.log('Removed "rocket" reaction.')
            }

      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: refs/pull/${{ fromJSON(steps.get-pr-data.outputs.result).num }}/head
          fetch-depth: 0

      # This step can be removed on May 26 2025
      - name: Check Commit Hash Ambiguity
        id: check_ambiguity
        run: |
          HEAD_SHA=${{ steps.get-pr-data.outputs.head_sha }}
          COMMIT_SHORT=${HEAD_SHA:0:7}

          if git show "$COMMIT_SHORT"; then
            echo "COLLISION=false" >> $GITHUB_ENV
          else
            echo "COLLISION=true" >> $GITHUB_ENV
          fi

      - name: Trigger Downstream Workflow
        uses: actions/github-script@v7
        id: trigger
        env:
          COMMENT: ${{ github.event.comment.body }}
        with:
          github-token: ${{ steps.generate-token.outputs.token }}
          script: |
            const comment = process.env.COMMENT.trim()
            const prData = ${{ steps.get-pr-data.outputs.result }}

            const suite = comment.split('\n')[0].replace(/^\/ecosystem-ci run/, '').trim()

            await github.rest.actions.createWorkflowDispatch({
              owner: context.repo.owner,
              repo: 'vite-ecosystem-ci',
              workflow_id: 'ecosystem-ci-from-pr.yml',
              ref: 'main',
              inputs: {
                prNumber: '' + prData.num,
                branchName: prData.branchName,
                repo: prData.repo,
                commit: process.env.COLLISION === 'false' ? prData.commit : '',
                suite: suite === '' ? '-' : suite
              }
            })