[BUGFIX] fix release task

core/tasks/releaseExtension.js

@@ -42,9 +42,8 @@ module.exports = class Open extends Task {
 						composerFile = require(pathToComposer),
 						currentVersion = composerFile.version,
 						nextVersionNumber = this._getNextVersionNumber(answers, currentVersion);
-					this._updateComposerJson(currentVersion, nextVersionNumber, pathToComposer).then(() => {
-						this._updateExtEmconf(currentVersion, nextVersionNumber, pathToExtEmconf)
-					});
+					await Open._updateComposerJson(currentVersion, nextVersionNumber, pathToComposer);
+					await Open._updateExtEmconf(currentVersion, nextVersionNumber, pathToExtEmconf);
 				} catch (error) {
 					this._logger.error('Could not open file!');
 				}
@@ -57,7 +56,7 @@ module.exports = class Open extends Task {
 	 * Determines the next version number
 	 * 
 	 * @param {Object} answers The answers to the questions from inquirer
-	 * @param {String} currentVersion The curent version number
+	 * @param {String} currentVersion The current version number
 	 */
 	_getNextVersionNumber(answers, currentVersion) {
 		let numbers = currentVersion.split('.');
@@ -80,8 +79,10 @@ module.exports = class Open extends Task {
 	 * @param {String} currentVersion The current version
 	 * @param {String} newVersion The new version
 	 * @param {String} path The path to the composer.json file
+	 *
+	 * @return {Promise}
 	 */
-	_updateComposerJson(currentVersion, newVersion, path) {
+	static async _updateComposerJson(currentVersion, newVersion, path) {
 		return replace({
 			files: path,
 			from: `"version": "${currentVersion}"`,
@@ -95,8 +96,10 @@ module.exports = class Open extends Task {
 	 * @param {String} currentVersion The current version
 	 * @param {String} newVersion The new version
 	 * @param {String} path The path to the ext_emconf.php file
+	 *
+	 * @return {Promise}
 	 */
-	_updateExtEmconf(currentVersion, newVersion, path) {
+	static async _updateExtEmconf(currentVersion, newVersion, path) {
 		return replace({
 			files: path,
 			from: `'version' => '${currentVersion}'`,