Make instant connections try to use PuTTY

src/connect.ts

@@ -70,17 +70,20 @@ export async function calculateActualConfig(config: FileSystemConfig): Promise<F
       logging.warning(`\tConfigurating uses putty, but platform is ${process.platform}`);
     }
     let nameOnly = true;
-    if (config.putty === true) {
+    let mandatory = true;
+    if (config.putty === true || config.putty === '<TRY>') {
+      // ^ '<TRY>' is a special case used in parseConnectionString in fileSystemConfig.ts
       await promptFields(config, 'host');
       // TODO: `config.putty === true` without config.host should prompt the user with *all* PuTTY sessions
       if (!config.host) throw new Error(`'putty' was true but 'host' is empty/missing`);
+      mandatory = config.putty === true;
       config.putty = config.host;
       nameOnly = false;
     } else {
       config.putty = replaceVariables(config.putty);
     }
     const session = await (await import('./putty')).getSession(config.putty, config.host, config.username, nameOnly);
-    if (!session) throw new Error(`Couldn't find the requested PuTTY session`);
+    if (session) {
       if (session.protocol !== 'ssh') throw new Error(`The requested PuTTY session isn't a SSH session`);
       config.username = config.username || session.username;
       if (!config.username && session.hostname && session.hostname.indexOf('@') >= 1) {
@@ -111,6 +114,11 @@ export async function calculateActualConfig(config: FileSystemConfig): Promise<F
           throw new Error(`The requested PuTTY session uses an unsupported proxy method`);
       }
       logging.debug(`\tReading PuTTY configuration lead to the following configuration:\n${JSON.stringify(config, null, 4)}`);
+    } else if (mandatory) {
+      throw new Error(`Couldn't find the requested PuTTY session`);
+    } else {
+      logging.debug(`\tConfig suggested finding a PuTTY configuration, did not find one`);
+    }
   }
   if (config.privateKeyPath) {
     try {

src/fileSystemConfig.ts

@@ -143,5 +143,6 @@ export function parseConnectionString(input: string): [config: FileSystemConfig,
     username: user || '$USERNAME',
     _locations: [],
     //debug: true as any,
+    putty: process.platform === 'win32' && '<TRY>', // Since this is like a "quick connect", automatically enable PuTTY support
   }, path];
 }