|
| 1 | +name: PR Preview Package Comment |
| 2 | + |
| 3 | +on: |
| 4 | + workflow_run: |
| 5 | + workflows: ["PR Preview Package"] |
| 6 | + types: [completed] |
| 7 | + |
| 8 | +permissions: |
| 9 | + actions: read |
| 10 | + contents: read |
| 11 | + issues: write |
| 12 | + pull-requests: write |
| 13 | + |
| 14 | +jobs: |
| 15 | + comment: |
| 16 | + if: github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.event == 'pull_request' |
| 17 | + runs-on: ubuntu-latest |
| 18 | + |
| 19 | + steps: |
| 20 | + - name: Check comment payload artifact |
| 21 | + id: payload |
| 22 | + uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1 |
| 23 | + with: |
| 24 | + script: | |
| 25 | + const runId = context.payload.workflow_run?.id; |
| 26 | + const { data } = await github.rest.actions.listWorkflowRunArtifacts({ |
| 27 | + owner: context.repo.owner, |
| 28 | + repo: context.repo.repo, |
| 29 | + run_id: runId, |
| 30 | + per_page: 100, |
| 31 | + }); |
| 32 | + const found = Boolean( |
| 33 | + data.artifacts?.some((artifact) => artifact.name === "pkg-pr-new-comment-payload") |
| 34 | + ); |
| 35 | + core.setOutput("found", found ? "true" : "false"); |
| 36 | + if (!found) { |
| 37 | + core.notice("No comment payload artifact found for this run; skipping comment."); |
| 38 | + } |
| 39 | +
|
| 40 | + - name: Download comment payload |
| 41 | + if: steps.payload.outputs.found == 'true' |
| 42 | + uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8 |
| 43 | + with: |
| 44 | + name: pkg-pr-new-comment-payload |
| 45 | + repository: ${{ github.repository }} |
| 46 | + run-id: ${{ github.event.workflow_run.id }} |
| 47 | + github-token: ${{ github.token }} |
| 48 | + |
| 49 | + - name: Comment install command |
| 50 | + if: steps.payload.outputs.found == 'true' |
| 51 | + uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1 |
| 52 | + with: |
| 53 | + script: | |
| 54 | + const fs = require("fs"); |
| 55 | + const payload = JSON.parse(fs.readFileSync("pkg-pr-new-comment-payload.json", "utf8")); |
| 56 | + const url = payload?.url; |
| 57 | + const payloadPr = payload?.pr; |
| 58 | + const sourceRepo = payload?.sourceRepo; |
| 59 | + const sourceBranch = payload?.sourceBranch; |
| 60 | + if (!Number.isInteger(payloadPr)) { |
| 61 | + throw new Error(`Invalid PR number in artifact payload: ${payloadPr}`); |
| 62 | + } |
| 63 | + if (payloadPr <= 0) { |
| 64 | + throw new Error(`Invalid PR number in artifact payload: ${payloadPr}`); |
| 65 | + } |
| 66 | + const issueNumber = payloadPr; |
| 67 | + const runPrNumber = context.payload.workflow_run?.pull_requests?.[0]?.number; |
| 68 | + if (Number.isInteger(runPrNumber) && runPrNumber !== issueNumber) { |
| 69 | + throw new Error( |
| 70 | + `PR number mismatch between workflow_run (${runPrNumber}) and artifact payload (${issueNumber})`, |
| 71 | + ); |
| 72 | + } |
| 73 | +
|
| 74 | + if (typeof url !== "string" || url.trim() !== url || /[\u0000-\u001F\u007F]/.test(url)) { |
| 75 | + throw new Error(`Invalid package URL in payload: ${url}`); |
| 76 | + } |
| 77 | + let parsedUrl; |
| 78 | + try { |
| 79 | + parsedUrl = new URL(url); |
| 80 | + } catch { |
| 81 | + throw new Error(`Invalid package URL in payload: ${url}`); |
| 82 | + } |
| 83 | + if (parsedUrl.protocol !== "https:" || parsedUrl.hostname !== "pkg.pr.new") { |
| 84 | + throw new Error(`Invalid package URL in payload: ${url}`); |
| 85 | + } |
| 86 | +
|
| 87 | + const safeRepoPattern = /^[A-Za-z0-9_.-]+\/[A-Za-z0-9_.-]+$/; |
| 88 | + const safeBranchPattern = /^[A-Za-z0-9._\/-]+$/; |
| 89 | + const hasSkillSource = |
| 90 | + typeof sourceRepo === "string" && |
| 91 | + typeof sourceBranch === "string" && |
| 92 | + safeRepoPattern.test(sourceRepo) && |
| 93 | + safeBranchPattern.test(sourceBranch); |
| 94 | + const skillSection = hasSkillSource |
| 95 | + ? [ |
| 96 | + "", |
| 97 | + "### 🧩 Skill update", |
| 98 | + "", |
| 99 | + "```bash", |
| 100 | + `npx skills add ${sourceRepo}#${sourceBranch} -y -g`, |
| 101 | + "```", |
| 102 | + ] |
| 103 | + : [ |
| 104 | + "", |
| 105 | + "### 🧩 Skill update", |
| 106 | + "", |
| 107 | + "_Unavailable for this PR because source repo/branch metadata is missing._", |
| 108 | + ]; |
| 109 | +
|
| 110 | + const body = [ |
| 111 | + "<!-- pkg-pr-new-install-guide -->", |
| 112 | + "## 🚀 PR Preview Install Guide", |
| 113 | + "", |
| 114 | + "### 🧰 CLI update", |
| 115 | + "", |
| 116 | + "```bash", |
| 117 | + `npm i -g ${url}`, |
| 118 | + "```", |
| 119 | + ...skillSection, |
| 120 | + ].join("\n"); |
| 121 | +
|
| 122 | + const comments = await github.paginate(github.rest.issues.listComments, { |
| 123 | + owner: context.repo.owner, |
| 124 | + repo: context.repo.repo, |
| 125 | + issue_number: issueNumber, |
| 126 | + per_page: 100, |
| 127 | + }); |
| 128 | +
|
| 129 | + const existing = comments.find((comment) => |
| 130 | + comment.user?.login === "github-actions[bot]" && |
| 131 | + typeof comment.body === "string" && |
| 132 | + comment.body.includes("<!-- pkg-pr-new-install-guide -->") |
| 133 | + ); |
| 134 | +
|
| 135 | + if (existing) { |
| 136 | + await github.rest.issues.updateComment({ |
| 137 | + owner: context.repo.owner, |
| 138 | + repo: context.repo.repo, |
| 139 | + comment_id: existing.id, |
| 140 | + body, |
| 141 | + }); |
| 142 | + } else { |
| 143 | + await github.rest.issues.createComment({ |
| 144 | + owner: context.repo.owner, |
| 145 | + repo: context.repo.repo, |
| 146 | + issue_number: issueNumber, |
| 147 | + body, |
| 148 | + }); |
| 149 | + } |
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