Add command line option to select a zcash.conf

src/connection.cpp

@@ -569,7 +569,11 @@ bool ConnectionLoader::verifyParams() {
  * Try to automatically detect a zcash.conf file in the correct location and load parameters
  */ 
 std::shared_ptr<ConnectionConfig> ConnectionLoader::autoDetectZcashConf() {    
-    auto confLocation = locateZcashConfFile();
+    auto confLocation = Settings::getInstance()->getZcashdConfLocation();
+
+    if (confLocation.isEmpty()) {
+        confLocation = locateZcashConfFile();
+    }
 
     if (confLocation.isNull()) {
         // No Zcash file, just return with nothing

src/main.cpp

@@ -159,6 +159,11 @@ public:
         QCommandLineOption noembeddedOption(QStringList() << "no-embedded", "Disable embedded zcashd");
         parser.addOption(noembeddedOption);
 
+        // Add an option to specify the conf file
+            QCommandLineOption confOption(QStringList() << "conf", "Use the zcash.conf specified instead of looking for the default one.",
+                                          "confFile");
+        parser.addOption(confOption);
+
         // Positional argument will specify a zcash payment URI
         parser.addPositionalArgument("zcashURI", "An optional zcash URI to pay");
 
@@ -217,6 +222,11 @@ public:
             Settings::getInstance()->setUseEmbedded(true);
         }
 
+        // Check to see if a conf location was specified
+        if (parser.isSet(confOption)) {
+            Settings::getInstance()->setUsingZcashConf(parser.value(confOption));
+        }
+
         w = new MainWindow();
         w->setWindowTitle("ZecWallet v" + QString(APP_VERSION));