Possibility to choose the number of space for the indentation

README.md

@@ -47,7 +47,8 @@ $ sgp -h
   sgp({
     'src':'', // salesforce src directory path : ./src
     '40.0':'', // salesforce API verion : 40.0
-    'src':'' // salesforce src directory path : ./src
+    'output':'', // salesforce src directory path : ./src
+    'indent':'  ' // the number of space for the xml indentation (optionnal attibute)
   }, console.log);
 ```
 
@@ -69,6 +70,7 @@ Add CLI parameters to build package.xml for only certain types
 ## Authors
 
 * **Sebastien Colladon** - *Initial work* - [scolladon](https://github.com/scolladon)
+* **Baptiste Bieber** - *Add functionalities* - [baptistebieber](https://github.com/baptistebieber)
 
 ## License
 

index.js

@@ -29,7 +29,7 @@ module.exports = (config,logger) => {
       [].concat(...result).filter(elem => !!elem).forEach(elem => xml.importDocument(elem));
       xml.ele('version')
       .t(config.apiVersion);
-      const xmlContent = xml.end({ pretty: true, indent: '  ', newline: '\n' });
+      const xmlContent = xml.end({ pretty: true, indent: config.indent || '  ', newline: '\n' });
       fs.writeFileSync(config.output + '/' + PACKAGE_XML_FILE_NAME, xmlContent);
       resolve();
     }).catch(reject);