Comment with mypy_primer diff #5780
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| name: Comment with mypy_primer diff | |
| on: | |
| workflow_run: | |
| workflows: | |
| - Run mypy_primer | |
| types: | |
| - completed | |
| permissions: | |
| contents: read | |
| pull-requests: write | |
| jobs: | |
| comment: | |
| name: Comment PR from mypy_primer | |
| runs-on: ubuntu-latest | |
| if: ${{ github.event.workflow_run.conclusion == 'success' }} | |
| steps: | |
| - name: Download diffs | |
| uses: actions/github-script@v6 | |
| with: | |
| script: | | |
| const fs = require('fs'); | |
| const artifacts = await github.rest.actions.listWorkflowRunArtifacts({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| run_id: ${{ github.event.workflow_run.id }}, | |
| }); | |
| const [matchArtifact] = artifacts.data.artifacts.filter((artifact) => | |
| artifact.name == "mypy_primer_diffs"); | |
| const download = await github.rest.actions.downloadArtifact({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| artifact_id: matchArtifact.id, | |
| archive_format: "zip", | |
| }); | |
| fs.writeFileSync("diff.zip", Buffer.from(download.data)); | |
| - run: unzip diff.zip | |
| - run: | | |
| cat diff_*.txt | tee fulldiff.txt | |
| - name: Post comment | |
| id: post-comment | |
| uses: actions/github-script@v6 | |
| with: | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| script: | | |
| const MAX_CHARACTERS = 30000 | |
| const MAX_CHARACTERS_PER_PROJECT = MAX_CHARACTERS / 3 | |
| const fs = require('fs') | |
| let data = fs.readFileSync('fulldiff.txt', { encoding: 'utf8' }) | |
| function truncateIfNeeded(original, maxLength) { | |
| if (original.length <= maxLength) { | |
| return original | |
| } | |
| let truncated = original.substring(0, maxLength) | |
| // further, remove last line that might be truncated | |
| truncated = truncated.substring(0, truncated.lastIndexOf('\n')) | |
| let lines_truncated = original.split('\n').length - truncated.split('\n').length | |
| return `${truncated}\n\n... (truncated ${lines_truncated} lines) ...` | |
| } | |
| const projects = data.split('\n\n') | |
| // don't let one project dominate | |
| data = projects.map(project => truncateIfNeeded(project, MAX_CHARACTERS_PER_PROJECT)).join('\n\n') | |
| // posting comment fails if too long, so truncate | |
| data = truncateIfNeeded(data, MAX_CHARACTERS) | |
| console.log("Diff from mypy_primer:") | |
| console.log(data) | |
| let body | |
| if (data.trim()) { | |
| body = 'Diff from [mypy_primer](https://github.com/hauntsaninja/mypy_primer), showing the effect of this PR on open source code:\n```diff\n' + data + '```' | |
| } else { | |
| body = "According to [mypy_primer](https://github.com/hauntsaninja/mypy_primer), this change doesn't affect type check results on a corpus of open source code. ✅" | |
| } | |
| const prNumber = parseInt(fs.readFileSync("pr_number.txt", { encoding: "utf8" })) | |
| await github.rest.issues.createComment({ | |
| issue_number: prNumber, | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| body | |
| }) | |
| return prNumber | |
| - name: Hide old comments | |
| # v0.4.0 | |
| uses: kanga333/comment-hider@c12bb20b48aeb8fc098e35967de8d4f8018fffdf | |
| with: | |
| github_token: ${{ secrets.GITHUB_TOKEN }} | |
| leave_visible: 1 | |
| issue_number: ${{ steps.post-comment.outputs.result }} |