Add app and config name to error messages

core/command/config/app/deleteconfig.php

@@ -70,12 +70,12 @@ class DeleteConfig extends Base {
 		$configName = $input->getArgument('name');
 
 		if ($input->hasParameterOption('--error-if-not-exists') && !in_array($configName, $this->config->getAppKeys($appName))) {
-			$output->writeln('<error>Config ' . $configName . ' could not be deleted because it did not exist</error>');
+			$output->writeln('<error>Config ' . $configName . ' of app ' . $appName . ' could not be deleted because it did not exist</error>');
 			return 1;
 		}
 
 		$this->config->deleteAppValue($appName, $configName);
-		$output->writeln('<info>System config value ' . $configName . ' deleted</info>');
+		$output->writeln('<info>Config value ' . $configName . ' of app ' . $appName . ' deleted</info>');
 		return 0;
 	}
 }

core/command/config/app/setconfig.php

@@ -76,7 +76,7 @@ class SetConfig extends Base {
 		$configName = $input->getArgument('name');
 
 		if (!in_array($configName, $this->config->getAppKeys($appName)) && $input->hasParameterOption('--update-only')) {
-			$output->writeln('<comment>Value not updated, as it has not been set before.</comment>');
+			$output->writeln('<comment>Config value ' . $configName . ' for app ' . $appName . ' not updated, as it has not been set before.</comment>');
 			return 1;
 		}
 

core/command/config/system/deleteconfig.php

@@ -64,7 +64,7 @@ class DeleteConfig extends Base {
 		$configName = $input->getArgument('name');
 
 		if ($input->hasParameterOption('--error-if-not-exists') && !in_array($configName, $this->systemConfig->getKeys())) {
-			$output->writeln('<error>Config ' . $configName . ' could not be deleted because it did not exist</error>');
+			$output->writeln('<error>System config ' . $configName . ' could not be deleted because it did not exist</error>');
 			return 1;
 		}
 

core/command/config/system/setconfig.php

@@ -70,7 +70,7 @@ class SetConfig extends Base {
 		$configName = $input->getArgument('name');
 
 		if (!in_array($configName, $this->systemConfig->getKeys()) && $input->hasParameterOption('--update-only')) {
-			$output->writeln('<comment>Value not updated, as it has not been set before.</comment>');
+			$output->writeln('<comment>Config value ' . $configName . ' not updated, as it has not been set before.</comment>');
 			return 1;
 		}
 		$configValue = $input->getOption('value');