build(desktop): allow controlled unsigned v0.1.0 release

frontend/scripts/create-desktop-release-provenance.mjs

@@ -0,0 +1,64 @@
+import { mkdir, readFile, writeFile } from "node:fs/promises";
+import { dirname, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
+import { loadDesktopReleasePolicy, resolveDesktopReleasePolicy } from "./desktop-release-policy.mjs";
+
+const frontendDir = fileURLToPath(new URL("../", import.meta.url));
+const packageInfo = JSON.parse(await readFile(resolve(frontendDir, "package.json"), "utf8"));
+const args = process.argv.slice(2);
+const value = (name) => {
+  const index = args.indexOf(name);
+  return index >= 0 ? args[index + 1] : undefined;
+};
+
+const policy = await loadDesktopReleasePolicy();
+const resolution = resolveDesktopReleasePolicy(packageInfo.version, policy);
+const tag = value("--tag") || process.env.GITHUB_REF_NAME;
+const commit = value("--commit") || process.env.GITHUB_SHA;
+const macosSigning = value("--macos-signing");
+const windowsSigning = value("--windows-signing");
+const outputPath = resolve(
+  frontendDir,
+  value("--output") || "src-tauri/target/desktop-release-feed/DESKTOP-RELEASE-PROVENANCE.json",
+);
+
+const failures = [];
+const assert = (condition, message) => {
+  if (!condition) failures.push(message);
+};
+
+assert(tag === `v${packageInfo.version}`, `Release provenance tag must be v${packageInfo.version}.`);
+assert(/^[0-9a-f]{40}$/i.test(commit || ""), "Release provenance commit must be a full 40-character SHA.");
+assert(macosSigning === resolution.macosSigning, `macOS signing mode must be ${resolution.macosSigning}.`);
+assert(windowsSigning === resolution.windowsSigning, `Windows signing mode must be ${resolution.windowsSigning}.`);
+
+if (failures.length > 0) {
+  throw new Error(`Desktop release provenance creation failed:\n${failures.map((item) => `  - ${item}`).join("\n")}`);
+}
+
+const provenance = {
+  schemaVersion: 1,
+  product: "CTMS Desktop",
+  version: packageInfo.version,
+  tag,
+  commit,
+  platformSigningMode: resolution.platformSigningMode,
+  platformSigning: {
+    macos: macosSigning,
+    windows: windowsSigning,
+  },
+  updaterSigning: "required-and-verified",
+  artifactLabel: resolution.artifactLabel,
+  distribution: resolution.distribution,
+  warnings: resolution.warningRequired
+    ? [
+        "macOS is ad-hoc signed and not Apple-notarized; Gatekeeper warnings are expected.",
+        "Windows is not Authenticode-signed or RFC 3161 timestamped; SmartScreen warnings are expected.",
+        "Verify the release tag, commit, updater signatures, and SHA256SUMS.txt through a trusted channel before installation.",
+      ]
+    : [],
+};
+
+await mkdir(dirname(outputPath), { recursive: true });
+await writeFile(outputPath, `${JSON.stringify(provenance, null, 2)}\n`);
+console.log(`Desktop release provenance created at ${outputPath}`);