Merge pull request #110 from cksource/t/104

Feature: Repositories, where an executed command failed, will be printed out at the end of the mgit log. Closes #104.

Author: Reinmar

lib/index.js

@@ -139,7 +139,9 @@ module.exports = function( args, options ) {
 
 				if ( packagesWithError.size ) {
 					const repositoryForm = packagesWithError.size === 1 ? 'repository' : 'repositories';
-					const message = `\n❗❗❗ The command failed to execute in ${ packagesWithError.size } ${ repositoryForm }.\n`;
+					let message = `\n❗❗❗ The command failed to execute in ${ packagesWithError.size } ${ repositoryForm }:\n`;
+					message += [ ...packagesWithError ].map( pkgName => `  - ${ pkgName }` ).join( '\n' );
+					message += '\n';
 
 					console.log( chalk.red( message ) );
 					process.exit( 1 );