Comment on an issue #105
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| name: Comment on an issue | |
| on: | |
| workflow_run: | |
| workflows: | |
| - "Check code formatting" | |
| - "Check for private emails used in PRs" | |
| types: | |
| - completed | |
| permissions: | |
| contents: read | |
| jobs: | |
| pr-comment: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| pull-requests: write | |
| if: > | |
| github.event.workflow_run.event == 'pull_request' | |
| steps: | |
| - name: 'Download artifact' | |
| uses: actions/download-artifact@6b208ae046db98c579e8a3aa621ab581ff575935 # v4.1.1 | |
| with: | |
| github-token: ${{ secrets.ISSUE_WRITE_DOWNLOAD_ARTIFACT }} | |
| run-id: ${{ github.event.workflow_run.id }} | |
| name: workflow-args | |
| - name: 'Comment on PR' | |
| uses: actions/github-script@v3 | |
| with: | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| script: | | |
| var fs = require('fs'); | |
| const comments = JSON.parse(fs.readFileSync('./comments')); | |
| if (!comments || comments.length == 0) { | |
| return; | |
| } | |
| let runInfo = await github.actions.getWorkflowRun({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| run_id: context.payload.workflow_run.id | |
| }); | |
| console.log(runInfo); | |
| // Query to find the number of the pull request that triggered this job. | |
| // The associated pull requests are based off of the branch name, so if | |
| // you create a pull request for a branch, close it, and then create | |
| // another pull request with the same branch, then this query will return | |
| // two associated pull requests. This is why we have to fetch all the | |
| // associated pull requests and then iterate through them to find the | |
| // one that is open. | |
| const gql_query = ` | |
| query($repo_owner : String!, $repo_name : String!, $branch: String!) { | |
| repository(owner: $repo_owner, name: $repo_name) { | |
| ref (qualifiedName: $branch) { | |
| associatedPullRequests(first: 100) { | |
| nodes { | |
| baseRepository { | |
| owner { | |
| login | |
| } | |
| } | |
| number | |
| state | |
| } | |
| } | |
| } | |
| } | |
| } | |
| ` | |
| const gql_variables = { | |
| repo_owner: runInfo.data.head_repository.owner.login, | |
| repo_name: runInfo.data.head_repository.name, | |
| branch: runInfo.data.head_branch | |
| } | |
| const gql_result = await github.graphql(gql_query, gql_variables); | |
| console.log(gql_result); | |
| // If the branch for the PR was deleted before this job has a chance | |
| // to run, then the ref will be null. This can happen if someone: | |
| // 1. Rebase the PR, which triggers some workflow. | |
| // 2. Immediately merges the PR and deletes the branch. | |
| // 3. The workflow finishes and triggers this job. | |
| if (!gql_result.repository.ref) { | |
| console.log("Ref has been deleted"); | |
| return; | |
| } | |
| console.log(gql_result.repository.ref.associatedPullRequests.nodes); | |
| var pr_number = 0; | |
| gql_result.repository.ref.associatedPullRequests.nodes.forEach((pr) => { | |
| if (pr.baseRepository.owner.login = context.repo.owner && pr.state == 'OPEN') { | |
| pr_number = pr.number; | |
| } | |
| }); | |
| if (pr_number == 0) { | |
| console.log("Error retrieving pull request number"); | |
| return; | |
| } | |
| await comments.forEach(function (comment) { | |
| if (comment.id) { | |
| // Security check: Ensure that this comment was created by | |
| // the github-actions bot, so a malicious input won't overwrite | |
| // a user's comment. | |
| github.issues.getComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| comment_id: comment.id | |
| }).then((old_comment) => { | |
| console.log(old_comment); | |
| if (old_comment.data.user.login != "github-actions[bot]") { | |
| console.log("Invalid comment id: " + comment.id); | |
| return; | |
| } | |
| github.issues.updateComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: pr_number, | |
| comment_id: comment.id, | |
| body: comment.body | |
| }); | |
| }); | |
| } else { | |
| github.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: pr_number, | |
| body: comment.body | |
| }); | |
| } | |
| }); | |
| - name: Dump comments file | |
| if: always() | |
| run: cat comments |