mirror of
https://bitbucket.org/chromiumembedded/cef
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127 lines
4.0 KiB
Python
127 lines
4.0 KiB
Python
# Copyright (c) 2014 The Chromium Embedded Framework Authors. All rights
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# reserved. Use of this source code is governed by a BSD-style license that
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# can be found in the LICENSE file
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from exec_util import exec_cmd
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import os
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import sys
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if sys.platform == 'win32':
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# Force use of the git version bundled with depot_tools.
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git_exe = 'git.bat'
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else:
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git_exe = 'git'
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def is_checkout(path):
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""" Returns true if the path represents a git checkout. """
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return os.path.isdir(os.path.join(path, '.git'))
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def get_hash(path='.', branch='HEAD'):
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""" Returns the git hash for the specified branch/tag/hash. """
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cmd = "%s rev-parse %s" % (git_exe, branch)
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result = exec_cmd(cmd, path)
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if result['out'] != '':
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return result['out'].strip()
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return 'Unknown'
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def get_url(path='.'):
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""" Returns the origin url for the specified path. """
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cmd = "%s config --get remote.origin.url" % git_exe
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result = exec_cmd(cmd, path)
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if result['out'] != '':
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return result['out'].strip()
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return 'Unknown'
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def get_commit_number(path='.', branch='HEAD'):
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""" Returns the number of commits in the specified branch/tag/hash. """
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cmd = "%s rev-list --count %s" % (git_exe, branch)
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result = exec_cmd(cmd, path)
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if result['out'] != '':
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return result['out'].strip()
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return '0'
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def get_changed_files(path, hash):
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""" Retrieves the list of changed files. """
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if hash == 'unstaged':
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cmd = "%s diff --name-only" % git_exe
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elif hash == 'staged':
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cmd = "%s diff --name-only --cached" % git_exe
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else:
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cmd = "%s diff-tree --no-commit-id --name-only -r %s" % (git_exe, hash)
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result = exec_cmd(cmd, path)
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if result['out'] != '':
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files = result['out']
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if sys.platform == 'win32':
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# Convert to Unix line endings.
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files = files.replace('\r\n', '\n')
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return files.strip().split("\n")
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return []
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def write_indented_output(output):
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""" Apply a fixed amount of intent to lines before printing. """
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if output == '':
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return
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for line in output.split('\n'):
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line = line.strip()
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if len(line) == 0:
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continue
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sys.stdout.write('\t%s\n' % line)
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def git_apply_patch_file(patch_path, patch_dir):
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""" Apply |patch_path| to files in |patch_dir|. """
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patch_name = os.path.basename(patch_path)
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sys.stdout.write('\nApply %s in %s\n' % (patch_name, patch_dir))
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if not os.path.isfile(patch_path):
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sys.stdout.write('... patch file does not exist.\n')
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return 'fail'
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patch_string = open(patch_path, 'rb').read()
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if sys.platform == 'win32':
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# Convert the patch to Unix line endings. This is necessary to avoid
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# whitespace errors with git apply.
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patch_string = patch_string.replace('\r\n', '\n')
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# Git apply fails silently if not run relative to a respository root.
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if not is_checkout(patch_dir):
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sys.stdout.write('... patch directory is not a repository root.\n')
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return 'fail'
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# Output patch contents.
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cmd = '%s apply -p0 --numstat' % git_exe
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result = exec_cmd(cmd, patch_dir, patch_string)
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write_indented_output(result['out'].replace('<stdin>', patch_name))
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# Reverse check to see if the patch has already been applied.
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cmd = '%s apply -p0 --reverse --check' % git_exe
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result = exec_cmd(cmd, patch_dir, patch_string)
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if result['err'].find('error:') < 0:
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sys.stdout.write('... already applied (skipping).\n')
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return 'skip'
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# Normal check to see if the patch can be applied cleanly.
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cmd = '%s apply -p0 --check' % git_exe
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result = exec_cmd(cmd, patch_dir, patch_string)
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if result['err'].find('error:') >= 0:
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sys.stdout.write('... failed to apply:\n')
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write_indented_output(result['err'].replace('<stdin>', patch_name))
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return 'fail'
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# Apply the patch file. This should always succeed because the previous
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# command succeeded.
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cmd = '%s apply -p0' % git_exe
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result = exec_cmd(cmd, patch_dir, patch_string)
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if result['err'] == '':
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sys.stdout.write('... successfully applied.\n')
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else:
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sys.stdout.write('... successfully applied (with warnings):\n')
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write_indented_output(result['err'].replace('<stdin>', patch_name))
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return 'apply'
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