File detailed-desktop-file-check.diff of Package rpmlint

--- MenuXDGCheck.py
+++ MenuXDGCheck.py
@@ -21,8 +21,12 @@
 
     def check_file(self, pkg, filename):
         f = pkg.dirName() + filename
-        if getstatusoutput(('desktop-file-validate', f), True)[0]:
-                printError(pkg, 'invalid-desktopfile', filename)
+        st = getstatusoutput(('desktop-file-validate', f), True)
+        if st[0]:
+                if st[1].find('error:') != -1:
+                        printError(pkg, 'invalid-desktopfile', filename, st[1].split('error: ')[1])
+                else:
+                        printError(pkg, 'invalid-desktopfile', filename)
         if not is_utf8(f):
                 printError(pkg, 'non-utf8-desktopfile', filename)