kc3-lang/angle/src/commit_id.py

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• Hash : d3c8d543
  Author :
  Date : 2021-04-08T14:03:51
  

  Consider AOSP ANGLE path as well during SHA generation
  
  Account for an in-tree AOSP build of ANGLE while generating
  ANGLE commit SHA
  
  Bug: angleproject:5838
  Change-Id: I81d6d821810544c35daf6af9b167f18a4b095e99
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2815241
  Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
  Reviewed-by: Tim Van Patten <timvp@google.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/commit_id.py

• #!/usr/bin/env python
  #  Copyright 2018 The ANGLE Project Authors. All rights reserved.
  #  Use of this source code is governed by a BSD-style license that can be
  #  found in the LICENSE file.
  
  # Generate commit.h with git commit hash.
  #
  
  import subprocess as sp
  import sys
  import os
  
  usage = """\
  Usage: commit_id.py check                - check if git is present
         commit_id.py position             - print commit position
         commit_id.py gen <file_to_write>  - generate commit.h"""
  
  
  def grab_output(command, cwd):
      return sp.Popen(
          command, stdout=sp.PIPE, shell=True, cwd=cwd).communicate()[0].strip().decode('utf-8')
  
  
  def get_commit_position(cwd):
      return grab_output('git rev-list HEAD --count', cwd)
  
  
  if len(sys.argv) < 2:
      sys.exit(usage)
  
  operation = sys.argv[1]
  
  # Set the root of ANGLE's repo as the working directory
  cwd = os.path.join(os.path.dirname(os.path.realpath(__file__)), '..')
  aosp_angle_path = os.path.join(os.path.dirname('.'), 'external', 'angle')
  if os.path.exists(aosp_angle_path):
      cwd = aosp_angle_path
  
  git_dir_exists = os.path.exists(os.path.join(cwd, '.git', 'HEAD'))
  
  if operation == 'check':
      if git_dir_exists:
          print("1")
      else:
          print("0")
      sys.exit(0)
  elif operation == 'position':
      if git_dir_exists:
          print(get_commit_position(cwd))
      else:
          print("0")
      sys.exit(0)
  
  if len(sys.argv) < 3 or operation != 'gen':
      sys.exit(usage)
  
  output_file = sys.argv[2]
  commit_id_size = 12
  commit_id = 'unknown hash'
  commit_date = 'unknown date'
  commit_position = '0'
  enable_binary_loading = False
  
  if git_dir_exists:
      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)
          commit_position = get_commit_position(cwd)
          enable_binary_loading = True
      except:
          pass
  
  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.write('#define ANGLE_COMMIT_POSITION %s\n' % commit_position)
  
  if not enable_binary_loading:
      hfile.write('#define ANGLE_DISABLE_PROGRAM_BINARY_LOAD\n')
  
  hfile.close()
  

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