Support version splitter other than dot am: f160266699 am: 2c8e18ece7
am: 13c4983cc9

Change-Id: I3f49f33648ab8db3d36a824bfce09ff3d05f4137
diff --git a/updater_utils.py b/updater_utils.py
index 54ddf98..a08846c 100644
--- a/updater_utils.py
+++ b/updater_utils.py
@@ -57,11 +57,12 @@
         'update_package.sh')
     subprocess.check_call(['bash', script_path, source_dir, target_dir])
 
-
+VERSION_SPLITTER_PATTERN = r'[\.\-_]'
 VERSION_PATTERN = (r'^(?P<prefix>[^\d]*)' +
-                   r'(?P<version>\d+(\.\d+)*)' +
+                   r'(?P<version>\d+(' + VERSION_SPLITTER_PATTERN + r'\d+)*)' +
                    r'(?P<suffix>.*)$')
 VERSION_RE = re.compile(VERSION_PATTERN)
+VERSION_SPLITTER_RE = re.compile(VERSION_SPLITTER_PATTERN)
 
 
 def _parse_version(version):
@@ -82,7 +83,7 @@
 
     right_format = (version_prefix == prefix and version_suffix == suffix)
 
-    return [right_format] + [int(v) for v in version.split('.')]
+    return [right_format] + [int(v) for v in VERSION_SPLITTER_RE.split(version)]
 
 
 def get_latest_version(current_version, version_list):