Try ts setup again

dist/index.js

@@ -1328,11 +1328,21 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
 Object.defineProperty(exports, "__esModule", ({ value: true }));
 const unity_changeset_1 = __webpack_require__(4635);
+const exec_1 = __webpack_require__(71514);
+const fs_1 = __importDefault(__webpack_require__(35747));
 class SetupMac {
     static setup(buildParameters, actionFolder) {
         return __awaiter(this, void 0, void 0, function* () {
+            const unityEditorPath = `/Applications/Unity/Hub/Editor/${buildParameters.version}/Unity.app/Contents/MacOS/Unity`;
+            if (!fs_1.default.existsSync(unityEditorPath)) {
+                yield SetupMac.installUnityHub();
+                yield SetupMac.installUnity(buildParameters);
+            }
             const unityChangeset = yield unity_changeset_1.getUnityChangeset(buildParameters.version);
             //Need to set environment variables from here because we execute
             //the scripts on the host for mac
@@ -1359,7 +1369,27 @@ class SetupMac {
             process.env.CHOWN_FILES_TO = buildParameters.chownFilesTo;
         });
     }
+    static installUnityHub(silent = false) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const command = 'brew install unity-hub';
+            if (!fs_1.default.existsSync(this.unityHubPath)) {
+                yield exec_1.exec(command, [], { silent });
+            }
+        });
+    }
+    static installUnity(buildParameters, silent = false) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const changeset = yield unity_changeset_1.getUnityChangeset(buildParameters.version).changeset;
+            const command = `${this.unityHubPath} -- --headless install \
+                                          --version ${buildParameters.version} \
+                                          --changeset ${changeset} \
+                                          --module mac-il2cpp \
+                                          --childModules`;
+            yield exec_1.exec(command, [], { silent });
+        });
+    }
 }
+SetupMac.unityHubPath = '/Applications/Unity\\ Hub.app/Contents/MacOS/Unity\\ Hub';
 exports.default = SetupMac;
 
 

src/model/platform-setup/setup-mac.ts

@@ -1,8 +1,16 @@
 import { BuildParameters } from '..';
 import { getUnityChangeset } from 'unity-changeset';
+import { exec } from '@actions/exec';
+import fs from 'fs';
 
 class SetupMac {
+  static unityHubPath = '/Applications/Unity\\ Hub.app/Contents/MacOS/Unity\\ Hub';
   public static async setup(buildParameters: BuildParameters, actionFolder: string) {
+    const unityEditorPath = `/Applications/Unity/Hub/Editor/${buildParameters.version}/Unity.app/Contents/MacOS/Unity`;
+    if (!fs.existsSync(unityEditorPath)) {
+      await SetupMac.installUnityHub();
+      await SetupMac.installUnity(buildParameters);
+    }
     const unityChangeset = await getUnityChangeset(buildParameters.version);
 
     //Need to set environment variables from here because we execute
@@ -29,6 +37,23 @@ class SetupMac {
     process.env.CUSTOM_PARAMETERS = buildParameters.customParameters;
     process.env.CHOWN_FILES_TO = buildParameters.chownFilesTo;
   }
+
+  private static async installUnityHub(silent = false) {
+    const command = 'brew install unity-hub';
+    if (!fs.existsSync(this.unityHubPath)) {
+      await exec(command, [], { silent });
+    }
+  }
+
+  private static async installUnity(buildParameters: BuildParameters, silent = false) {
+    const changeset = await getUnityChangeset(buildParameters.version).changeset;
+    const command = `${this.unityHubPath} -- --headless install \
+                                          --version ${buildParameters.version} \
+                                          --changeset ${changeset} \
+                                          --module mac-il2cpp \
+                                          --childModules`;
+    await exec(command, [], { silent });
+  }
 }
 
 export default SetupMac;