Don't assume integer revision in linux distribution scripts

tools/create_tarball.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 #
 
 # Script to build a tarball of the Dart source.
 #
 # The tarball includes all the source needed to build Dart. This
@@ skipping 86 matching lines @@
   with open(filename, 'w') as f:
     f.write('dart (%s-1) UNRELEASED; urgency=low\n' % version)
     f.write('\n')
     f.write('  * Generated file.\n')
     f.write('\n')
     f.write(' -- Dart Team <misc@dartlang.org>  %s\n' %
             datetime.datetime.utcnow().strftime('%a, %d %b %Y %X +0000'))
 
 def GenerateSvnRevision(filename, svn_revision):
   with open(filename, 'w') as f:
-    f.write(svn_revision)
+    f.write(str(svn_revision))
 
 
 def CreateTarball(tarfilename):
   global ignoredPaths  # Used for adding the output directory.
   # Generate the name of the tarfile
   version = utils.GetVersion()
   global versiondir
   versiondir = 'dart-%s' % version
   debian_dir = 'tools/linux_dist_support/debian'
   # Don't include the build directory in the tarball (ignored paths
@@ skipping 41 matching lines @@
   tar_filename = options.tar_filename
   if not tar_filename:
     tar_filename = join(DART_DIR,
                         utils.GetBuildDir(HOST_OS),
                         'dart-%s.tar.gz' % utils.GetVersion())
 
   CreateTarball(tar_filename)
 
 if __name__ == '__main__':
   sys.exit(Main())