Add a new check_revision.py tool that is called from cef_create_projects to verify the current Chromium revision and URL against the values specified in CHROMIUM_BUILD_COMPATIBILITY.txt (issue #297).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@349 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tools/svn_util.py

@@ -3,16 +3,38 @@
 # can be found in the LICENSE file.
 
 import os
+import urllib
+
+def check_url(url):
+  """ Check the URL and raise an exception if invalid. """
+  if ':' in url[:7]:
+    parts = url.split(':', 1)
+    if (parts[0] == 'http' or parts[0] == 'https') and \
+        parts[1] == urllib.quote(parts[1]):
+      return url
+  sys.stderr.write('Invalid URL: '+url+"\n")
+  raise Exception('Invalid URL: '+url)
+
+def get_svn_info(path):
+  """ Retrieves the URL and revision from svn info. """
+  url = 'None'
+  rev = 'None'
+  if path[0:4] == 'http' or os.path.exists(path):
+    try:
+      stream = os.popen('svn info '+path)
+      for line in stream:
+        if line[0:4] == "URL:":
+          url = check_url(line[5:-1])
+        elif line[0:9] == "Revision:":
+          rev = str(int(line[10:-1]))
+    except IOError, (errno, strerror):
+      sys.stderr.write('Failed to read svn info: '+strerror+"\n")
+      raise
+  return {'url': url, 'revision': rev}
 
 def get_revision(path = '.'):
-    """ Retrieves the revision number from stdin. """
-    try:
-        stream = os.popen('svn info '+path);
-        # read the revision number
-        for line in stream:
-            if line[0:9] == "Revision:":
-                return line[10:-1];
-        raise IOError("Revision line not found.")
-    except IOError, (errno, strerror):
-        sys.stderr.write('Failed to read revision from "svn info": ' + strerror)
-        raise
+  """ Retrieves the revision from svn info. """
+  info = get_svn_info(path)
+  if info['revision'] == 'None':
+    raise Exception('Unable to retrieve SVN revision for "'+path+'"')
+  return info['revision']