Ask confirmation before overwriting config

Author: dantleech

features/shell_alias.feature

@@ -20,3 +20,5 @@ Feature: Default aliases
             | mv cms smc |
             | ls |
             | ls cms |
+            | sl cms foobar |
+            | cat cms |

src/PHPCR/Shell/Console/Command/Shell/ConfigInitCommand.php

@@ -52,6 +52,12 @@ public function execute(InputInterface $input, OutputInterface $output)
                 throw new \Exception('Dist (source) file "' . $srcFile . '" does not exist.');
             }
 
+            if (file_exists($destFile)) {
+                if (!$this->getHelper('dialog')->askConfirmation($output, '"' . $configFilename . '" already exists, do you want to overwrite it?')) {
+                    return 0;
+                }
+            }
+
             $fs->copy($srcFile, $destFile);
             $this->logCreation($destFile);
         }

src/PHPCR/Shell/Resources/config.dist/alias.yml

@@ -1,6 +1,6 @@
 # MySQL commands
 use: workspace:use
-"show databases": workspace:list
+workspaces: workspace:list
 select: query:select
 
 # Filesystem commands