iframe-proxy | Sunbelt Computer Software

History

179 lines (139 loc) · 5.7 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

from __future__ import unicode_literals

import logging

import os.path

import sys

from pre_commit.util import cmd_output

logger = logging.getLogger(__name__)

def zsplit(s):

s = s.strip('\0')

if s:

return s.split('\0')

else:

return []

def no_git_env(_env=None):

# Too many bugs dealing with environment variables and GIT:

# https://github.com/pre-commit/pre-commit/issues/300

# In git 2.6.3 (maybe others), git exports GIT_WORK_TREE while running

# pre-commit hooks

# In git 1.9.1 (maybe others), git exports GIT_DIR and GIT_INDEX_FILE

# while running pre-commit hooks in submodules.

# GIT_DIR: Causes git clone to clone wrong thing

# GIT_INDEX_FILE: Causes 'error invalid object ...' during commit

_env = _env if _env is not None else os.environ

return {

k: v for k, v in _env.items()

if not k.startswith('GIT_') or

k in {'GIT_EXEC_PATH', 'GIT_SSH', 'GIT_SSH_COMMAND'}

}

def get_root():

return cmd_output('git', 'rev-parse', '--show-toplevel')[1].strip()

def get_git_dir(git_root='.'):

opts = ('--git-common-dir', '--git-dir')

_, out, _ = cmd_output('git', 'rev-parse', *opts, cwd=git_root)

for line, opt in zip(out.splitlines(), opts):

if line != opt: # pragma: no branch (git < 2.5)

return os.path.normpath(os.path.join(git_root, line))

else:

raise AssertionError('unreachable: no git dir')

def get_remote_url(git_root):

ret = cmd_output('git', 'config', 'remote.origin.url', cwd=git_root)[1]

return ret.strip()

def is_in_merge_conflict():

git_dir = get_git_dir('.')

return (

os.path.exists(os.path.join(git_dir, 'MERGE_MSG')) and

os.path.exists(os.path.join(git_dir, 'MERGE_HEAD'))

)

def parse_merge_msg_for_conflicts(merge_msg):

# Conflicted files start with tabs

return [

line.lstrip(b'#').strip().decode('UTF-8')

for line in merge_msg.splitlines()

# '#\t' for git 2.4.1

if line.startswith((b'\t', b'#\t'))

]

def get_conflicted_files():

logger.info('Checking merge-conflict files only.')

# Need to get the conflicted files from the MERGE_MSG because they could

# have resolved the conflict by choosing one side or the other

with open(os.path.join(get_git_dir('.'), 'MERGE_MSG'), 'rb') as f:

merge_msg = f.read()

merge_conflict_filenames = parse_merge_msg_for_conflicts(merge_msg)

# This will get the rest of the changes made after the merge.

# If they resolved the merge conflict by choosing a mesh of both sides

# this will also include the conflicted files

tree_hash = cmd_output('git', 'write-tree')[1].strip()

merge_diff_filenames = zsplit(

cmd_output(

'git', 'diff', '--name-only', '--no-ext-diff', '-z',

'-m', tree_hash, 'HEAD', 'MERGE_HEAD',

)[1],

)

return set(merge_conflict_filenames) | set(merge_diff_filenames)

def get_staged_files(cwd=None):

return zsplit(

cmd_output(

'git', 'diff', '--staged', '--name-only', '--no-ext-diff', '-z',

# Everything except for D

'--diff-filter=ACMRTUXB',

cwd=cwd,

)[1],

)

def intent_to_add_files():

_, stdout_binary, _ = cmd_output('git', 'status', '--porcelain', '-z')

parts = list(reversed(zsplit(stdout_binary)))

intent_to_add = []

while parts:

line = parts.pop()

status, filename = line[:3], line[3:]

if status[0] in {'C', 'R'}: # renames / moves have an additional arg

parts.pop()

if status[1] == 'A':

intent_to_add.append(filename)

return intent_to_add

def get_all_files():

return zsplit(cmd_output('git', 'ls-files', '-z')[1])

def get_changed_files(new, old):

return zsplit(

cmd_output(

'git', 'diff', '--name-only', '--no-ext-diff', '-z',

'{}...{}'.format(old, new),

)[1],

)

def head_rev(remote):

_, out, _ = cmd_output('git', 'ls-remote', '--exit-code', remote, 'HEAD')

return out.split()[0]

def has_diff(*args, **kwargs):

repo = kwargs.pop('repo', '.')

assert not kwargs, kwargs

cmd = ('git', 'diff', '--quiet', '--no-ext-diff') + args

return cmd_output(*cmd, cwd=repo, retcode=None)[0]

def commit(repo='.'):

env = no_git_env()

name, email = 'pre-commit', 'asottile+pre-commit@umich.edu'

env['GIT_AUTHOR_NAME'] = env['GIT_COMMITTER_NAME'] = name

env['GIT_AUTHOR_EMAIL'] = env['GIT_COMMITTER_EMAIL'] = email

cmd = ('git', 'commit', '--no-edit', '--no-gpg-sign', '-n', '-minit')

cmd_output(*cmd, cwd=repo, env=env)

def git_path(name, repo='.'):

_, out, _ = cmd_output('git', 'rev-parse', '--git-path', name, cwd=repo)

return os.path.join(repo, out.strip())

def check_for_cygwin_mismatch():

"""See https://github.com/pre-commit/pre-commit/issues/354"""

if sys.platform in ('cygwin', 'win32'): # pragma: no cover (windows)

is_cygwin_python = sys.platform == 'cygwin'

toplevel = cmd_output('git', 'rev-parse', '--show-toplevel')[1]

is_cygwin_git = toplevel.startswith('/')

if is_cygwin_python ^ is_cygwin_git:

exe_type = {True: '(cygwin)', False: '(windows)'}

logger.warn(

'pre-commit has detected a mix of cygwin python / git\n'

'This combination is not supported, it is likely you will '

'receive an error later in the program.\n'

'Make sure to use cygwin git+python while using cygwin\n'

'These can be installed through the cygwin installer.\n'

' - python {}\n'

' - git {}\n'.format(

exe_type[is_cygwin_python], exe_type[is_cygwin_git],

)

Sunbelt Computer Software

PL/B Language Development and Support

Navigation Menu

Uh oh!

Sunbelt Computer Software

PL/B Language Development and Support

Uh oh!

FilesExpand file tree

git.py

Latest commit

History

git.py

File metadata and controls