merge.yml

name: "PR merge on time v3.2 by crong"

on:
  schedule:
    - cron: "0 13 * * 3,5"
  workflow_dispatch:

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
permissions:
  contents: write
  pull-requests: write
  issues: write

jobs:
  merge:
    name: "Auto Merge on time"
    runs-on: "ubuntu-latest"

    steps:
      - name: "Merge pull request"
        uses: "actions/github-script@v6"
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            const query = `query($owner:String!, $name:String!) {
              repository(owner: $owner, name: $name) {
                pullRequests(last: 100, states: OPEN) {
                  edges {
                    node {
                      number
                      headRefName
                      baseRefName
                      author {
                        login
                      }
                      repository {
                        name
                      }
                      mergeable
                      labels(first: 10) {
                        nodes {
                          name
                        }
                      }
                      reviews(last: 1) {
                        nodes {
                          state
                        }
                      }
                    }
                  }
                }
              }
            }`

            const variables = {
              owner: context.repo.owner,
              name: context.repo.repo,
            }

            const {repository:{pullRequests:{edges: list}}} = await github.graphql(query, variables)
            for( let {node} of list) {
             //if(node.baseRefName === "main" || !node.labels.nodes.length) {
             if(node.baseRefName === "main") {
                //add comment
                await github.rest.issues.createComment({
                    owner: context.repo.owner,
                    repo: context.repo.repo,
                    issue_number: node.number,
                    body: "main 브랜치로 병합 시도 || 적절한 라벨이 있는지 확인해 주세요."
                })
                continue;
             }
             if (node.reviews.nodes.length && node.reviews.nodes[0].state === "CHANGES_REQUESTED") {
                //add comment
                await github.rest.issues.createComment({
                    owner: context.repo.owner,
                    repo: context.repo.repo,
                    issue_number: node.number,
                    body: "변경 요청 중인 브랜치의 머지를 연기합니다."
                })
                continue;
             }

              try {
                 if(node.mergeable === "CONFLICTING") {
                   // add comment
                     await github.rest.issues.createComment({
                         owner: context.repo.owner,
                         repo: context.repo.repo,
                         issue_number: node.number,
                         body: "충돌로 인해 자동 병합이 불가능합니다."
                      })
                   // close pull request
                   await github.rest.pulls.update({
                      owner: context.repo.owner,
                      repo: context.repo.repo,
                      pull_number: node.number,
                      state: "closed"
                    })
                 } else {
                    //add comment
                        await github.rest.issues.createComment({
                            owner: context.repo.owner,
                            repo: context.repo.repo,
                            issue_number: node.number,
                            body: "자동 병합 완료"
                        })
                    // merge pull request
                   await github.rest.pulls.merge({
                      owner: context.repo.owner,
                      repo: context.repo.repo,
                      pull_number: node.number,
                      merge_method: "merge"
                   })
                 }
               } catch (e) {
                 console.log("error", e);
               }
            }