old_contents: #!/usr/bin/env python
  
  # Copyright 2016 The Kubernetes Authors All rights reserved.
  #
  # 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.
  
  "This package gets the LD flags used to set the version of kubernetes."
  
  import json
  import subprocess
  import sys
  
  K8S_PACKAGE = 'k8s.io/kubernetes/'
  X_ARG_BASE = '-X k8s.io/minikube/vendor/k8s.io/kubernetes/pkg/version.'
  
  def get_rev():
    with open('./Godeps/Godeps.json') as f:
      contents = json.load(f)
      for dep in contents['Deps']:
        if dep['ImportPath'].startswith(K8S_PACKAGE):
          return 'gitCommit=%s' % dep['Rev']
  
  def get_version():
    # Update when vendor/k8s.io/kubernetes is updated.
    return 'gitVersion=v1.3.0-alpha.3-838+ba170aa191f8c7'
  
  def get_tree_state():
    git_status = subprocess.check_output(['git', 'status', '--porcelain'])
    if git_status:
      result = 'dirty'
    else :
      result = 'clean'
    return 'gitTreeState=%s' % result
  
  def main():
    args = [get_rev(), get_version(), get_tree_state()]
    return ' '.join([X_ARG_BASE + arg for arg in args])
  
  if __name__ == '__main__':
    sys.exit(main())
  
new_contents: #!/usr/bin/env python
  
  # Copyright 2016 The Kubernetes Authors All rights reserved.
  #
  # 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.
  
  "This package gets the LD flags used to set the version of kubernetes."
  
  import json
  import subprocess
  import sys
  
  K8S_PACKAGE = 'k8s.io/kubernetes/'
  X_ARG_BASE = '-X k8s.io/minikube/vendor/k8s.io/kubernetes/pkg/version.'
  
  def get_rev():
    return 'gitCommit=%s' % get_from_godep('Rev')
  
  def get_version():
      return 'gitVersion=%s' % get_from_godep('Comment')
  
  def get_from_godep(key):
    with open('./Godeps/Godeps.json') as f:
      contents = json.load(f)
      for dep in contents['Deps']:
        if dep['ImportPath'].startswith(K8S_PACKAGE):
          return dep[key]
  
  def get_tree_state():
    git_status = subprocess.check_output(['git', 'status', '--porcelain'])
    if git_status:
      result = 'dirty'
    else :
      result = 'clean'
    return 'gitTreeState=%s' % result
  
  def main():
    args = [get_rev(), get_version(), get_tree_state()]
    return ' '.join([X_ARG_BASE + arg for arg in args])
  
  if __name__ == '__main__':
    sys.exit(main())
  
subject: Remove the hardcoded constant.