old_contents: #!/usr/bin/env python2.7
  
  # Copyright 2015, Google Inc.
  # All rights reserved.
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are
  # met:
  #
  #     * Redistributions of source code must retain the above copyright
  # notice, this list of conditions and the following disclaimer.
  #     * Redistributions in binary form must reproduce the above
  # copyright notice, this list of conditions and the following disclaimer
  # in the documentation and/or other materials provided with the
  # distribution.
  #     * Neither the name of Google Inc. nor the names of its
  # contributors may be used to endorse or promote products derived from
  # this software without specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  import glob
  import os
  import sys
  import tempfile
  sys.path.append(os.path.join(os.path.dirname(sys.argv[0]), '..', 'run_tests'))
  
  assert sys.argv[1:], 'run generate_projects.sh instead of this directly'
  
  import jobset
  
  os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '..', '..'))
  json = sys.argv[1:]
  
  test = {} if 'TEST' in os.environ else None
  
  plugins = sorted(glob.glob('tools/buildgen/plugins/*.py'))
  
  jobs = []
  for root, dirs, files in os.walk('templates'):
  	for f in files:
  		if os.path.splitext(f)[1] == '.template':
  			out = '.' + root[len('templates'):] + '/' + os.path.splitext(f)[0]
  			cmd = ['tools/buildgen/mako_renderer.py']
  			for plugin in plugins:
  				cmd.append('-p')
  				cmd.append(plugin)
  			for js in json:
  				cmd.append('-d')
  				cmd.append(js)
  			cmd.append('-o')
  			if test is None:
  				cmd.append(out)
  			else:
  				test[out] = tempfile.mkstemp()
  				cmd.append(test[out])
  			cmd.append(root + '/' + f)
  			jobs.append(jobset.JobSpec(cmd, shortname=out))
  
  jobset.run(jobs)
  
  if test is not None:
  	for s, g in test.iteritems():
  		assert(0 == os.system('diff %s %s' % (s, g)))
  		os.unlink(g)
  
new_contents: #!/usr/bin/env python2.7
  
  # Copyright 2015, Google Inc.
  # All rights reserved.
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are
  # met:
  #
  #     * Redistributions of source code must retain the above copyright
  # notice, this list of conditions and the following disclaimer.
  #     * Redistributions in binary form must reproduce the above
  # copyright notice, this list of conditions and the following disclaimer
  # in the documentation and/or other materials provided with the
  # distribution.
  #     * Neither the name of Google Inc. nor the names of its
  # contributors may be used to endorse or promote products derived from
  # this software without specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  import glob
  import os
  import sys
  import tempfile
  sys.path.append(os.path.join(os.path.dirname(sys.argv[0]), '..', 'run_tests'))
  
  assert sys.argv[1:], 'run generate_projects.sh instead of this directly'
  
  import jobset
  
  os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '..', '..'))
  json = sys.argv[1:]
  
  test = {} if 'TEST' in os.environ else None
  
  plugins = sorted(glob.glob('tools/buildgen/plugins/*.py'))
  
  jobs = []
  for root, dirs, files in os.walk('templates'):
  	for f in files:
  		if os.path.splitext(f)[1] == '.template':
  			out = '.' + root[len('templates'):] + '/' + os.path.splitext(f)[0]
  			cmd = ['tools/buildgen/mako_renderer.py']
  			for plugin in plugins:
  				cmd.append('-p')
  				cmd.append(plugin)
  			for js in json:
  				cmd.append('-d')
  				cmd.append(js)
  			cmd.append('-o')
  			if test is None:
  				cmd.append(out)
  			else:
  				tf = tempfile.mkstemp()
  				test[out] = tf[1]
  				os.close(tf[0])
  				cmd.append(test[out])
  			cmd.append(root + '/' + f)
  			jobs.append(jobset.JobSpec(cmd, shortname=out))
  
  jobset.run(jobs)
  
  if test is not None:
  	for s, g in test.iteritems():
  		assert(0 == os.system('diff %s %s' % (s, g)))
  		os.unlink(g)
  
subject: Fix test mode