kura/.github/workflows/force-merge.yml at 9828224f2a4809c4fadaaaabed822142c382de87 · eclipse-kura/kura · GitHub

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name: "Force merge automation"
description: Merge a pull request when N committers post a comment with the command /force-merge

on:
  issue_comment:
    types: [created, edited]

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

env:
  quorum: 3

jobs:
  force_merge:
    runs-on: ubuntu-latest

    steps:
      - name: Check pull request
        id: should-run
        uses: actions/github-script@v7
        with:
          script: |
            const issue = await github.rest.issues.get({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo
            })

            const isPR = issue.data.pull_request != null
            const isClosed = issue.data.closed_at != null
            const isDraft = issue.data.draft

            return isPR && !isClosed && !isDraft

      - name: Count votes
        id: count-votes
        if: ${{ steps.should-run.outputs.result == 'true' }}
        uses: actions/github-script@v7
        with:
          script: |
            const comments = await github.rest.issues.listComments({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo
            })

            const votes = new Map();
            for(const comment of comments.data) {
              const hasVotingRights = comment.author_association === 'MEMBER' || comment.author_association === 'OWNER'
              const hasCastedVote = comment.body === '/force-merge'

              if(hasVotingRights && hasCastedVote) {
                votes.set(comment.user.login, comment.author_association);
              }
            }

            // Display voters and role
            console.table(votes)

            return votes.size

      - name: Set lables
        if: ${{ steps.should-run.outputs.result == 'true' }}
        uses: actions/github-script@v7
        with:
          script: |
            const labels = await github.rest.issues.listLabelsOnIssue({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo
            })
            const labelsToAdd = []
            for(const label of labels.data) {
              if(!label.name.startsWith('force-merge-votes-')) {
                labelsToAdd.push(label.name)
              }
            }

            const votes = ${{ steps.count-votes.outputs.result }}
            if(votes >= 1 && votes < ${{env.quorum}}) {
                labelsToAdd.push("force-merge-votes-" + votes)
            }

            console.log(labelsToAdd) // Debug
            const result = github.rest.issues.setLabels({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: labelsToAdd
            })

      - name: Perform merge
        if: ${{ (steps.should-run.outputs.result == 'true') && (steps.count-votes.outputs.result >= env.quorum) }}
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.KURA_BOT_GITHUB_TOKEN }}
          script: |
            await github.rest.pulls.merge({
              pull_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              merge_method: "squash"
            });