[fetch] Make GitBackend._execute log at info level

recipe_engine/fetch.py

 # Copyright 2016 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 import calendar
 import httplib
 import json
 import logging
 import os
 import re
@@ skipping 240 matching lines @@
     ] + list(args)
 
     try:
       return self._execute(*cmd)
     except subprocess42.CalledProcessError as e:
       subcommand = (args[0]) if args else ('')
       raise GitError('Git "%s" failed: %s' % (subcommand, e.message,))
 
   def _execute(self, *args):
     """Runs a raw command. Separate so it's easily mockable."""
-    LOGGER.debug('Running: %s', args)
+    LOGGER.info('Running: %s', args)
     return subprocess42.check_output(args)
 
   def _ensure_local_repo_exists(self):
     """Ensures that self.checkout_dir is a valid git repository. Safe to call
     multiple times. If this is sucessful, the GitBackend will not try to
     re-initialize the checkout_dir again.
 
     Raises GitError if it detected that checkout_dir is likely not a valid git
     repo.
     """
@@ skipping 298 matching lines @@
     ).text.decode('base64')
     spec = json_format.Parse(
       recipes_cfg_text, package_pb2.Package(), ignore_unknown_fields=True)
 
     return CommitMetadata(
       revision,
       rev_json.author_email,
       rev_json.commit_timestamp,
       rev_json.message_lines,
       spec)