store gui last wallet separately, to fix command line

electrum

@@ -109,7 +109,7 @@ def arg_parser():
     parser = optparse.OptionParser(usage=usage, add_help_option=False)
     parser.add_option("-h", "--help", action="callback", callback=print_help_cb, help="show this help text")
     parser.add_option("-g", "--gui", dest="gui", help="User interface: qt, lite, gtk, text or stdio")
-    parser.add_option("-w", "--wallet", dest="wallet_path", help="wallet path (default: electrum.dat)")
+    parser.add_option("-w", "--wallet", dest="wallet_path", help="wallet path")
     parser.add_option("-o", "--offline", action="store_true", dest="offline", default=False, help="remain offline")
     parser.add_option("-d", "--daemon", action="store_true", dest="daemon", default=False, help="use daemon")
     parser.add_option("-C", "--concealed", action="store_true", dest="concealed", default=False, help="don't echo seed to console when restoring")

gui/qt/__init__.py

@@ -149,6 +149,9 @@ class ElectrumGui:
 
     def main(self, url):
 
+        if self.config.get('wallet_path') is None and self.config.get('gui_last_wallet'):
+            self.config.read_only_options['wallet_path'] = self.config.get('gui_last_wallet')
+
         storage = WalletStorage(self.config)
         if storage.file_exists:
             try:

gui/qt/main_window.py

@@ -298,7 +298,7 @@ class ElectrumWindow(QMainWindow):
         self.load_wallet(wallet)
         self.show()
         # save path
-        self.config.set_key('default_wallet_path', filename)
+        self.config.set_key('gui_last_wallet', filename)