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audk/BaseTools/Scripts/SetupGit.py

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Python
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## @file
# Set up the git configuration for contributing to TianoCore projects
#
# Copyright (c) 2019, Linaro Ltd. All rights reserved.<BR>
# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
from __future__ import print_function
import argparse
import os.path
import re
import sys
try:
import git
except ImportError:
print('Unable to load gitpython module - please install and try again.')
sys.exit(1)
try:
# Try Python 2 'ConfigParser' module first since helpful lib2to3 will
# otherwise automagically load it with the name 'configparser'
import ConfigParser
except ImportError:
# Otherwise, try loading the Python 3 'configparser' under an alias
try:
import configparser as ConfigParser
except ImportError:
print("Unable to load configparser/ConfigParser module - please install and try again!")
sys.exit(1)
# Assumptions: Script is in edk2/BaseTools/Scripts,
# templates in edk2/BaseTools/Conf
CONFDIR = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))),
'Conf')
UPSTREAMS = [
{'name': 'edk2',
'repo': 'https://github.com/tianocore/edk2.git',
'list': 'devel@edk2.groups.io'},
{'name': 'edk2-platforms',
'repo': 'https://github.com/tianocore/edk2-platforms.git',
'list': 'devel@edk2.groups.io', 'prefix': 'edk2-platforms'},
{'name': 'edk2-non-osi',
'repo': 'https://github.com/tianocore/edk2-non-osi.git',
'list': 'devel@edk2.groups.io', 'prefix': 'edk2-non-osi'},
{'name': 'edk2-test',
'repo': 'https://github.com/tianocore/edk2-test.git',
'list': 'devel@edk2.groups.io', 'prefix': 'edk2-test'}
]
# The minimum version required for all of the below options to work
MIN_GIT_VERSION = (1, 9, 0)
# Set of options to be set identically for all repositories
OPTIONS = [
{'section': 'alias', 'option': 'fp',
'value': 'format-patch -M --stat=1000 --stat-graph-width=20'},
{'section': 'am', 'option': 'keepcr', 'value': True},
{'section': 'am', 'option': 'signoff', 'value': True},
{'section': 'cherry-pick', 'option': 'signoff', 'value': True},
{'section': 'color', 'option': 'diff', 'value': True},
{'section': 'color', 'option': 'grep', 'value': 'auto'},
{'section': 'commit', 'option': 'signoff', 'value': True},
{'section': 'core', 'option': 'abbrev', 'value': 12},
{'section': 'core', 'option': 'attributesFile',
'value': os.path.join(CONFDIR, 'gitattributes').replace('\\', '/')},
{'section': 'core', 'option': 'whitespace', 'value': 'cr-at-eol'},
{'section': 'diff', 'option': 'algorithm', 'value': 'patience'},
{'section': 'diff', 'option': 'orderFile',
'value': os.path.join(CONFDIR, 'diff.order').replace('\\', '/')},
{'section': 'diff', 'option': 'renames', 'value': 'copies'},
{'section': 'diff', 'option': 'statGraphWidth', 'value': '20'},
{'section': 'diff "ini"', 'option': 'xfuncname',
'value': '^\\\\[[A-Za-z0-9_., ]+]'},
{'section': 'format', 'option': 'coverLetter', 'value': True},
{'section': 'format', 'option': 'numbered', 'value': True},
{'section': 'format', 'option': 'signoff', 'value': False},
{'section': 'log', 'option': 'mailmap', 'value': True},
{'section': 'notes', 'option': 'rewriteRef', 'value': 'refs/notes/commits'},
{'section': 'sendemail', 'option': 'chainreplyto', 'value': False},
{'section': 'sendemail', 'option': 'thread', 'value': True},
{'section': 'sendemail', 'option': 'transferEncoding', 'value': '8bit'},
]
def locate_repo():
"""Opens a Repo object for the current tree, searching upwards in the directory hierarchy."""
try:
repo = git.Repo(path='.', search_parent_directories=True)
except (git.InvalidGitRepositoryError, git.NoSuchPathError):
print("It doesn't look like we're inside a git repository - aborting.")
sys.exit(2)
return repo
def fuzzy_match_repo_url(one, other):
"""Compares two repository URLs, ignoring protocol and optional trailing '.git'."""
oneresult = re.match(r'.*://(?P<oneresult>.*?)(\.git)*$', one)
otherresult = re.match(r'.*://(?P<otherresult>.*?)(\.git)*$', other)
if oneresult and otherresult:
onestring = oneresult.group('oneresult')
otherstring = otherresult.group('otherresult')
if onestring == otherstring:
return True
return False
def get_upstream(url, name):
"""Extracts the dict for the current repo origin."""
for upstream in UPSTREAMS:
if (fuzzy_match_repo_url(upstream['repo'], url) or
upstream['name'] == name):
return upstream
print("Unknown upstream '%s' - aborting!" % url)
sys.exit(3)
def check_versions():
"""Checks versions of dependencies."""
version = git.cmd.Git().version_info
if version < MIN_GIT_VERSION:
print('Need git version %d.%d or later!' % (version[0], version[1]))
sys.exit(4)
def write_config_value(repo, section, option, data):
"""."""
with repo.config_writer(config_level='repository') as configwriter:
configwriter.set_value(section, option, data)
if __name__ == '__main__':
check_versions()
PARSER = argparse.ArgumentParser(
description='Sets up a git repository according to TianoCore rules.')
PARSER.add_argument('-c', '--check',
help='check current config only, printing what would be changed',
action='store_true',
required=False)
PARSER.add_argument('-f', '--force',
help='overwrite existing settings conflicting with program defaults',
action='store_true',
required=False)
PARSER.add_argument('-n', '--name', type=str, metavar='repo',
choices=['edk2', 'edk2-platforms', 'edk2-non-osi'],
help='set the repo name to configure for, if not '
'detected automatically',
required=False)
PARSER.add_argument('-v', '--verbose',
help='enable more detailed output',
action='store_true',
required=False)
ARGS = PARSER.parse_args()
REPO = locate_repo()
if REPO.bare:
print('Bare repo - please check out an upstream one!')
sys.exit(6)
URL = REPO.remotes.origin.url
UPSTREAM = get_upstream(URL, ARGS.name)
if not UPSTREAM:
print("Upstream '%s' unknown, aborting!" % URL)
sys.exit(7)
# Set a list email address if our upstream wants it
if 'list' in UPSTREAM:
OPTIONS.append({'section': 'sendemail', 'option': 'to',
'value': UPSTREAM['list']})
# Append a subject prefix entry to OPTIONS if our upstream wants it
if 'prefix' in UPSTREAM:
OPTIONS.append({'section': 'format', 'option': 'subjectPrefix',
'value': "PATCH " + UPSTREAM['prefix']})
CONFIG = REPO.config_reader(config_level='repository')
for entry in OPTIONS:
exists = False
try:
# Make sure to read boolean/int settings as real type rather than strings
if isinstance(entry['value'], bool):
value = CONFIG.getboolean(entry['section'], entry['option'])
elif isinstance(entry['value'], int):
value = CONFIG.getint(entry['section'], entry['option'])
else:
value = CONFIG.get(entry['section'], entry['option'])
exists = True
# Don't bail out from options not already being set
except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
pass
if exists:
if value == entry['value']:
if ARGS.verbose:
print("%s.%s already set (to '%s')" % (entry['section'],
entry['option'], value))
else:
if ARGS.force:
write_config_value(REPO, entry['section'], entry['option'], entry['value'])
else:
print("Not overwriting existing %s.%s value:" % (entry['section'],
entry['option']))
print(" '%s' != '%s'" % (value, entry['value']))
print(" add '-f' to command line to force overwriting existing settings")
else:
print("%s.%s => '%s'" % (entry['section'], entry['option'], entry['value']))
if not ARGS.check:
write_config_value(REPO, entry['section'], entry['option'], entry['value'])
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