added changes

Author: dougg0k

packages/cli-tools/src/getDefaultUserTerminal.ts

@@ -1,11 +1,15 @@
 import os from 'os';
 
 const getDefaultUserTerminal = (): string | undefined => {
-  const {REACT_TERMINAL, TERM_PROGRAM, TERM} = process.env;
+  const {REACT_TERMINAL, TERM_PROGRAM, TERM, SHELL} = process.env;
 
   if (REACT_TERMINAL) {
     return REACT_TERMINAL;
   }
+	
+  if (os.platform() === 'linux') {
+    return SHELL;
+  }
 
   if (os.platform() === 'darwin') {
     return TERM_PROGRAM;

packages/cli-tools/src/startServerInNewWindow.ts

@@ -109,7 +109,7 @@ function startServerInNewWindow(
   }
   if (process.platform === 'linux') {
     try {
-      return execa.sync(terminal, ['-e', `sh ${launchPackagerScript}`], {
+      return execa(terminal, ['-e', `sh ${launchPackagerScript}`], {
         ...procConfig,
         detached: true,
       });