Adding ability to import and install archives via cmdline

src/app/Application.ts

@@ -1098,16 +1098,20 @@ class Application {
   }
 
   private applyArguments(args: IParameters) {
-    if (args.download || args.install) {
+    if (args.download || args.install || args.installArchive) {
       const prom: Promise<void> = (this.mMainWindow === undefined)
         // give the main instance a moment to fully start up
         ? Promise.delay(2000)
         : Promise.resolve(undefined);
 
       prom.then(() => {
         if (this.mMainWindow !== undefined) {
-          this.mMainWindow.sendExternalURL(args.download || args.install,
-            args.install !== undefined);
+          if (args.download || args.install) {
+            this.mMainWindow.sendExternalURL(args.download || args.install, args.install !== undefined);
+          }
+          if (args.installArchive) {
+            this.mMainWindow.installModFromArchive(args.installArchive);
+          }
         } else {
           // TODO: this instructions aren't very correct because we know Vortex doesn't have
           // a UI and needs to be shut down from the task manager

src/app/MainWindow.ts

@@ -272,6 +272,16 @@ class MainWindow {
     }
   }
 
+  public installModFromArchive(archivePath: string) {
+    if (this.mWindow != null) {
+      try {
+        this.mWindow.webContents.send('install-archive', archivePath);
+      } catch (err) {
+        log('error', 'failed to send install-archive', { archivePath, error: err.message });
+      }
+    }
+  }
+
   public getHandle(): Electron.BrowserWindow {
     return this.mWindow;
   }

src/extensions/download_management/index.ts

@@ -811,10 +811,18 @@ function processCommandline(api: IExtensionApi) {
   const { commandLine } = state.session.base;
 
   const cliUrl = commandLine.download ?? commandLine.install;
-
   if (cliUrl) {
     api.events.emit('start-download-url', cliUrl, undefined, commandLine.install !== undefined);
   }
+
+  const arcPath = commandLine.installArchive;
+  if (typeof arcPath === 'string' && path.isAbsolute(arcPath)) {
+    api.events.emit('import-downloads', [arcPath], (dlIds: string[]) => {
+      dlIds.forEach(dlId => {
+        api.events.emit('start-install-download', dlId);
+      });
+    });
+  }
 }
 
 function init(context: IExtensionContextExt): boolean {

src/renderer.tsx

@@ -1,6 +1,4 @@
-/**
- * entry point for the renderer process(es)
- */
+/* eslint-disable */
 
 if (process.env.DEBUG_REACT_RENDERS === 'true') {
   // eslint-disable-next-line @typescript-eslint/no-var-requires
@@ -518,9 +516,22 @@ function init() {
 
   const startupPromise = new Promise(resolve => (startupFinished = resolve));
 
+  const api = extensions.getApi();
   // tslint:disable-next-line:no-unused-variable
-  const globalNotifications = new GlobalNotifications(extensions.getApi());
+  const globalNotifications = new GlobalNotifications(api);
 
+  function startinstallFromArchive(filePath: string) {
+    startupPromise.then(() => {
+      if (typeof filePath !== 'string' || !path.isAbsolute(filePath)) {
+        return;
+      }
+      api.events.emit('import-downloads', [filePath], (dlIds: string[]) => {
+        dlIds.forEach(dlId => {
+          api.events.emit('start-install-download', dlId);
+        });
+      });
+    });
+  }
   function startDownloadFromURL(url: string, fileName?: string, install?: boolean) {
     startupPromise.then(() => {
       if (typeof url !== 'string') {
@@ -558,6 +569,12 @@ function init() {
     },
   );
 
+  ipcRenderer.on(
+    'install-archive',
+    (event, filePath: string) => {
+      startinstallFromArchive(filePath);
+  });
+
   ipcRenderer.on('relay-event', (sender, event, ...args) => {
     eventEmitter.emit(event, ...args);
   });

src/util/commandLine.ts

@@ -10,6 +10,7 @@ import startupSettings from './startupSettings';
 export interface IParameters {
   download?: string;
   install?: string;
+  installArchive?: string;
   installExtension?: string;
   report?: string;
   restore?: string;
@@ -50,6 +51,7 @@ const ARG_COUNTS = {
   '-s': 1,
   '--download': 1,
   '--install': 1,
+  '--install-archive': 1,
   '--install-extension': 1,
   '--start-minimized': 1,
   '--game': 1,
@@ -168,6 +170,7 @@ function parseCommandline(argv: string[], electronIsShitHack: boolean): IParamet
                                   + '(any supported protocol like nxm:, https:, ...).')
     .option('-i, --install <url>', 'Start downloadling & installing the specified url '
                                   + '(any supported protocol like nxm:, https:, ...).')
+    .option('--install-archive <path>', 'Start installing the specified archive. Use absolute path.')
     .option('--install-extension <id>', 'Start downloadling & installing the specified '
                                        + 'vortex extension. id can be "modId:<number>".')
     .option('-g, --get <path>', 'Print the state variable at the specified path and quit. '
@@ -222,6 +225,7 @@ const SKIP_ARGS = {
   '--game': 1,
   '--profile': 1,
   '--install': 1,
+  '--install-archive': 1,
   '--install-extension': 1,
   '--restore': 1,
   '--merge': 1,