blob: 1e29ece90906bf58f5f3281c998e1cb4a6841c93 [file] [log] [blame]
#!/usr/bin/env python
# Copyright 2015 the V8 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.
import argparse
import os
import sys
import re
from search_related_commits import git_execute
GIT_OPTION_HASH_ONLY = '--pretty=format:%H'
GIT_OPTION_NO_DIFF = '--quiet'
GIT_OPTION_ONELINE = '--oneline'
def describe_commit(git_working_dir, hash_to_search, one_line=False):
if one_line:
return git_execute(git_working_dir, ['show',
return git_execute(git_working_dir, ['show',
def get_followup_commits(git_working_dir, hash_to_search):
cmd = ['log', '--grep=' + hash_to_search, GIT_OPTION_HASH_ONLY,
return git_execute(git_working_dir, cmd).strip().splitlines()
def get_merge_commits(git_working_dir, hash_to_search):
merges = get_related_commits_not_on_master(git_working_dir, hash_to_search)
false_merges = get_related_commits_not_on_master(
git_working_dir, 'Cr-Branched-From: ' + hash_to_search)
false_merges = set(false_merges)
return ([merge_commit for merge_commit in merges
if merge_commit not in false_merges])
def get_related_commits_not_on_master(git_working_dir, grep_command):
commits = git_execute(git_working_dir, ['log',
'--grep=' + grep_command,
return commits.splitlines()
def get_branches_for_commit(git_working_dir, hash_to_search):
branches = git_execute(git_working_dir, ['branch',
branches = branches.splitlines()
return map(str.strip, branches)
def is_lkgr(branches):
return 'remotes/origin/lkgr' in branches
def get_first_canary(branches):
canaries = ([currentBranch for currentBranch in branches if
if len(canaries) == 0:
return 'No Canary coverage'
return canaries[0].split('/')[-1]
def get_first_v8_version(branches):
version_re = re.compile("remotes/origin/[0-9]+\.[0-9]+\.[0-9]+")
versions = filter(lambda branch: version_re.match(branch), branches)
if len(versions) == 0:
return "--"
version = versions[0].split("/")[-1]
return version
def print_analysis(git_working_dir, hash_to_search):
print '1.) Searching for "' + hash_to_search + '"'
print '=====================ORIGINAL COMMIT START==================='
print describe_commit(git_working_dir, hash_to_search)
print '=====================ORIGINAL COMMIT END====================='
print '2.) General information:'
branches = get_branches_for_commit(git_working_dir, hash_to_search)
print 'Is LKGR: ' + str(is_lkgr(branches))
print 'Is on Canary: ' + str(get_first_canary(branches))
print 'First V8 branch: ' + str(get_first_v8_version(branches)) + \
' (Might not be the rolled version)'
print '3.) Found follow-up commits, reverts and ports:'
followups = get_followup_commits(git_working_dir, hash_to_search)
for followup in followups:
print describe_commit(git_working_dir, followup, True)
print '4.) Found merges:'
merges = get_merge_commits(git_working_dir, hash_to_search)
for currentMerge in merges:
print describe_commit(git_working_dir, currentMerge, True)
print '---Merged to:'
mergeOutput = git_execute(git_working_dir, ['branch',
print mergeOutput
print 'Finished successfully'
if __name__ == '__main__': # pragma: no cover
parser = argparse.ArgumentParser('Tool to check where a git commit was'
' merged and reverted.')
parser.add_argument('-g', '--git-dir', required=False, default='.',
help='The path to your git working directory.')
help='Hash of the commit to be searched.')
args = sys.argv[1:]
options = parser.parse_args(args)
sys.exit(print_analysis(options.git_dir, options.hash[0]))