pebrel/.github/workflows/issue-labels.yml

name: Issue labels

# Turns the dropdown answers of the issue forms (.github/ISSUE_TEMPLATE/*.yml)
# into labels and flags bug reports that are too thin to act on. Labels are
# only added; maintainers' manual labels are never removed.

on:
  issues:
    types: [opened, edited]

permissions:
  issues: write

concurrency:
  group: issue-labels-${{ github.event.issue.number }}
  cancel-in-progress: true

jobs:
  label-from-form:
    name: label-from-form
    runs-on: ubuntu-24.04
    timeout-minutes: 5
    steps:
      - name: Map form answers to labels
        uses: actions/github-script@v7
        with:
          script: |
            const issue = context.payload.issue;
            const body = issue.body || "";

            // Issue forms render every field as "### <label>\n\n<value>";
            // multi-select dropdowns join their values with ", ".
            const fields = {};
            const re = /^### (.+?)\s*\n+([\s\S]*?)(?=^### |\s*$(?![\s\S]))/gm;
            for (const m of body.matchAll(re)) {
              const value = m[2].trim();
              if (value && value !== "_No response_") fields[m[1].trim()] = value;
            }
            const field = (prefix) => {
              const key = Object.keys(fields).find((k) => k.startsWith(prefix));
              return key ? fields[key] : "";
            };
            const answers = (prefix) => {
              const value = field(prefix);
              return value ? value.split(", ").map((s) => s.trim()) : [];
            };

            // Match on the English lead of each option so wording tweaks in
            // the Chinese half never silently break the mapping.
            const OS = [
              ["Windows (WSL)", ["os: windows", "os: wsl"]],
              ["Windows", ["os: windows"]],
              ["macOS", ["os: macos"]],
              ["Linux", ["os: linux"]],
            ];
            const AREA = [
              ["Terminal rendering", ["area: terminal"]],
              ["Shell startup", ["area: shell"]],
              ["SSH", ["area: ssh"]],
              ["File tree", ["area: files"]],
              ["Tabs / splits", ["area: session"]],
              ["AI agent", ["area: agents"]],
              ["Markdown", ["area: reader"]],
              ["Settings", ["area: ui"]],
              ["Keyboard", ["area: input"]],
              ["Git", ["area: git"]],
              ["Startup crash", ["crash"]],
              ["Performance", ["performance"]],
              ["Installer", ["area: ci-release"]],
            ];
            const PROGRAM = [
              ["Claude Code", ["area: agents"]],
              ["Codex", ["area: agents"]],
              ["Pi", ["area: agents"]],
              ["Gemini", ["area: agents"]],
            ];
            const CONNECTION = [
              ["SSH", ["area: ssh"]],
              ["WSL", ["os: wsl"]],
            ];
            const SHELL = [["WSL", ["os: wsl"]]];
            const pick = (values, table) => {
              const out = [];
              for (const v of values) {
                const hit = table.find(([lead]) => v.startsWith(lead));
                if (hit) out.push(...hit[1]);
              }
              return out;
            };

            const labels = new Set([
              ...pick([...answers("Operating system"), ...answers("Platform")], OS),
              ...pick([...answers("Affected area"), ...answers("Related area")], AREA),
              ...pick(answers("Program running in the pane"), PROGRAM),
              ...pick(answers("Connection type"), CONNECTION),
              ...pick(answers("Shell in the affected pane"), SHELL),
            ]);
            if (answers("Did it work in a previous version").some((v) => v.startsWith("Yes"))) {
              labels.add("regression");
            }

            // Thin bug reports: no usable steps or no evidence. Ask once, on
            // open; an edit that fills the gaps clears the label.
            const existing = new Set(issue.labels.map((l) => l.name));
            const isBug = existing.has("bug");
            const steps = field("Steps to reproduce");
            const logs = field("Logs / screenshots");
            const missing = [];
            // CJK carries more per character; weigh it double. Numbered
            // multi-line steps count as an attempt regardless of length.
            const compact = steps.replace(/\s+/g, "");
            const weight = compact.length + (compact.match(/[　-鿿豈-﫿]/g) || []).length;
            const numbered = (steps.match(/^\s*\d+[.、)]/gm) || []).length >= 2;
            if (isBug && weight < 60 && !numbered) {
              missing.push("**Steps to reproduce / 复现步骤**: numbered steps from launch to the failing moment / 从启动开始按序写到出错那一步");
            }
            if (isBug && !logs) {
              missing.push("**Logs / screenshots / 日志或截图**: a screenshot for visual issues, `pebrel_debug.log` for crashes, hangs and connection problems / 显示类问题贴截图，崩溃卡死连接类贴日志");
            }
            if (isBug && !/\d+\.\d+/.test(field("Pebrel version"))) {
              missing.push("**Pebrel version / 版本号**: e.g. `1.9.0` (Settings > Home)");
            }

            const toAdd = [...labels].filter((l) => !existing.has(l));
            if (missing.length) {
              if (!existing.has("needs-info")) toAdd.push("needs-info");
              if (context.payload.action === "opened") {
                await github.rest.issues.createComment({
                  ...context.repo,
                  issue_number: issue.number,
                  body: [
                    "Thanks for the report. It is missing details we need before anyone can reproduce it, so it is parked as `needs-info`. Please edit the issue and fill in:",
                    "感谢反馈。目前缺少复现所需的信息，已标记 `needs-info`。请**编辑 issue** 补齐以下内容，补齐后标签会自动移除：",
                    "",
                    ...missing.map((m) => `- ${m}`),
                    "",
                    "Reports without these are closed after 14 days of silence. / 14 天无补充将关闭。",
                  ].join("\n"),
                });
              }
            } else if (isBug && existing.has("needs-info") && context.payload.action === "edited") {
              await github.rest.issues.removeLabel({
                ...context.repo, issue_number: issue.number, name: "needs-info",
              }).catch(() => {});
            }

            core.info(`form labels: ${[...labels].join(", ") || "(none)"}; adding: ${toAdd.join(", ") || "(none)"}; missing: ${missing.length}`);
            if (toAdd.length) {
              await github.rest.issues.addLabels({
                ...context.repo,
                issue_number: issue.number,
                labels: toAdd,
              });
            }