@forge/cli

Index: package/out/command-line/index.js
===================================================================
--- package/out/command-line/index.js
+++ package/out/command-line/index.js
@@ -107,8 +107,11 @@
     }
     catch (e) {
         if (e instanceof proxy_1.ProxySetupError) {
             process.stderr.write(`${e.message}\n`);
+            if (process.argv.includes('--verbose') && e.cause instanceof Error) {
+                process.stderr.write(`${e.cause.stack || e.cause.message}\n`);
+            }
             process.exit(1);
         }
         throw e;
     }