Create installer without using swiftly

Author: fwal

src/main.ts

@@ -1,7 +1,7 @@
 import { EOL } from "os";
 import { equalVersions, getOS } from "./core";
-import { installSwift, setupLinux, setupMacOS, setupWindows } from "./swiftly";
-import { currentVersion } from "./swift";
+import { installSwift, setupLinux, setupMacOS } from "./swiftly";
+import { currentVersion, setupWindows } from "./swift";
 import { error, getInput, info, setFailed, setOutput } from "@actions/core";
 
 /**
@@ -24,18 +24,17 @@ async function run() {
     switch (os) {
       case "darwin":
         await setupMacOS();
+        await installSwift(version);
         break;
       case "linux":
         await setupLinux({ skipVerifySignature: true });
+        await installSwift(version);
         break;
       case "win32":
-        await setupWindows();
+        await setupWindows(version);
         break;
     }
 
-    // Install the requested version
-    await installSwift(version);
-
     // Verify the requested version is now installed
     current = await currentVersion();
     if (equalVersions(version, current)) {

src/swift/index.ts

@@ -1 +1,2 @@
 export * from "./current-version";
+export * from "./windows";

src/swift/windows.ts

@@ -0,0 +1,28 @@
+import { addPath, debug } from "@actions/core";
+import { downloadTool, find } from "@actions/tool-cache";
+import { cmd } from "../core";
+import { machine } from "os";
+
+/**
+ * Setup Swift on Windows as theres no support for Swiftly yet.
+ */
+export async function setupWindows(version: string) {
+  await download(version);
+}
+
+async function download(version: string) {
+  const m = machine();
+
+  let url: string;
+  if (m === "arm64") {
+    url = `https://download.swift.org/swift-${version}-release/windows10-arm64/swift-${version}-RELEASE/swift-${version}-RELEASE-windows10-arm64.exe`;
+  } else {
+    url = `https://download.swift.org/swift-${version}-release/windows10/swift-${version}-RELEASE/swift-${version}-RELEASE-windows10.exe`;
+  }
+
+  debug(`Downloading Swift installer from ${url}`);
+
+  const installerPath = await downloadTool(url);
+
+  await cmd(installerPath);
+}

src/swiftly/installers/index.ts

@@ -1,3 +1,2 @@
 export * from "./linux";
 export * from "./macos";
-export * from "./windows";