Added error message when broken mx/env file is encountered.

Signed-off-by: Stefan Marr <git@stefan-marr.de>

Author: smarr

mxtool/mx.py

@@ -609,8 +609,11 @@ def _load_env(self, mxDir):
                 for line in f:
                     line = line.strip()
                     if len(line) != 0 and line[0] != '#':
-                        key, value = line.split('=', 1)
-                        os.environ[key.strip()] = expandvars_in_property(value.strip())
+                        try:
+                            key, value = line.split('=', 1)
+                            os.environ[key.strip()] = expandvars_in_property(value.strip())
+                        except:
+                            abort("mx/env could not be parsed. Make sure that each line contains a line similar to 'key=value'.")
 
     def _post_init(self, opts):
         mxDir = join(self.dir, 'mx')