kc3-lang/angle/src/commit_id.py

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• Hash : 9c4b24a5
  Author :
  Date : 2014-06-12T13:41:17
  

  Use commit_id.py on Windows, and handle missing git.
  
  This allows us to delete the Windows batch file.
  
  Changes the commit_id script to take the working directory so that it
  can be called from a different working directory than the angle
  repository is in.
  
  Renames the generated commit header to angle_commit.h. This is being
  written to the shared generated code directory for the entire build,
  and "commit.h" is insufficiently unique.
  
  BUG=angle:669
  
  Change-Id: I35e80411a7e8ba1e02ce3f6a4fc54ed4dbc918f3
  Reviewed-on: https://chromium-review.googlesource.com/202048
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Tested-by: Jamie Madill <jmadill@chromium.org>
  

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• src/commit_id.py

• import subprocess as sp
  import sys
  import os
  
  # Usage: commit_id.py check <angle_dir> (checks if git is present)
  # Usage: commit_id.py gen <angle_dir> <file_to_write> (generates commit id)
  
  def grab_output(command, cwd):
      return sp.Popen(command, stdout=sp.PIPE, shell=True, cwd=cwd).communicate()[0].strip()
  
  operation = sys.argv[1]
  cwd = sys.argv[2]
  
  if operation == 'check':
      index_path = os.path.join(cwd, '.git', 'index')
      if os.path.exists(index_path):
          print("1")
      else:
          print("0")
      sys.exit(0)
  
  output_file = sys.argv[3]
  commit_id_size = 12
  
  try:
      commit_id = grab_output('git rev-parse --short=%d HEAD' % commit_id_size, cwd)
      commit_date = grab_output('git show -s --format=%ci HEAD', cwd)
  except:
      commit_id = 'invalid-hash'
      commit_date = 'invalid-date'
  
  hfile = open(output_file, 'w')
  
  hfile.write('#define ANGLE_COMMIT_HASH "%s"\n'    % commit_id)
  hfile.write('#define ANGLE_COMMIT_HASH_SIZE %d\n' % commit_id_size)
  hfile.write('#define ANGLE_COMMIT_DATE "%s"\n'    % commit_date)
  
  hfile.close()
  

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