old_contents: #    Copyright 2014-2018 ARM Limited
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  #
  
  import os
  import sys
  from collections import namedtuple
  from subprocess import Popen, PIPE
  
  
  VersionTuple = namedtuple('Version', ['major', 'minor', 'revision', 'dev'])
  
  version = VersionTuple(3, 2, 1, 'dev4')
  
  required_devlib_version = VersionTuple(1, 2, 1, 'dev4')
  
  
  def format_version(v):
      version_string = '{}.{}.{}'.format(
          v.major, v.minor, v.revision)
      if v.dev:
          version_string += '.{}'.format(v.dev)
      return version_string
  
  
  def get_wa_version():
      return format_version(version)
  
  
  def get_wa_version_with_commit():
      version_string = get_wa_version()
      commit = get_commit()
      if commit:
          return '{}+{}'.format(version_string, commit)
      else:
          return version_string
  
  
  def get_commit():
      p = Popen(['git', 'rev-parse', 'HEAD'],
                cwd=os.path.dirname(__file__), stdout=PIPE, stderr=PIPE)
      std, _ = p.communicate()
      p.wait()
      if p.returncode:
          return None
      if sys.version_info[0] == 3 and isinstance(std, bytes):
          return std[:8].decode(sys.stdout.encoding or 'utf-8')
      else:
          return std[:8]
  
new_contents: #    Copyright 2014-2018 ARM Limited
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  #
  
  import os
  import sys
  from collections import namedtuple
  from subprocess import Popen, PIPE
  
  
  VersionTuple = namedtuple('Version', ['major', 'minor', 'revision', 'dev'])
  
  version = VersionTuple(3, 2, 1, 'dev4')
  
  required_devlib_version = VersionTuple(1, 2, 1, 'dev5')
  
  
  def format_version(v):
      version_string = '{}.{}.{}'.format(
          v.major, v.minor, v.revision)
      if v.dev:
          version_string += '.{}'.format(v.dev)
      return version_string
  
  
  def get_wa_version():
      return format_version(version)
  
  
  def get_wa_version_with_commit():
      version_string = get_wa_version()
      commit = get_commit()
      if commit:
          return '{}+{}'.format(version_string, commit)
      else:
          return version_string
  
  
  def get_commit():
      p = Popen(['git', 'rev-parse', 'HEAD'],
                cwd=os.path.dirname(__file__), stdout=PIPE, stderr=PIPE)
      std, _ = p.communicate()
      p.wait()
      if p.returncode:
          return None
      if sys.version_info[0] == 3 and isinstance(std, bytes):
          return std[:8].decode(sys.stdout.encoding or 'utf-8')
      else:
          return std[:8]
  
subject: Bump dev version.