/usr/lib/pypy/dist-packages/dulwich/hooks.py is in pypy-dulwich 0.16.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | # hooks.py -- for dealing with git hooks
# Copyright (C) 2012-2013 Jelmer Vernooij and others.
#
# Dulwich is dual-licensed under the Apache License, Version 2.0 and the GNU
# General Public License as public by the Free Software Foundation; version 2.0
# or (at your option) any later version. You can redistribute it and/or
# modify it under the terms of either of these two licenses.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# You should have received a copy of the licenses; if not, see
# <http://www.gnu.org/licenses/> for a copy of the GNU General Public License
# and <http://www.apache.org/licenses/LICENSE-2.0> for a copy of the Apache
# License, Version 2.0.
#
"""Access to hooks."""
import os
import subprocess
import sys
import tempfile
from dulwich.errors import (
HookError,
)
class Hook(object):
"""Generic hook object."""
def execute(self, *args):
"""Execute the hook with the given args
:param args: argument list to hook
:raise HookError: hook execution failure
:return: a hook may return a useful value
"""
raise NotImplementedError(self.execute)
class ShellHook(Hook):
"""Hook by executable file
Implements standard githooks(5) [0]:
[0] http://www.kernel.org/pub/software/scm/git/docs/githooks.html
"""
def __init__(self, name, path, numparam,
pre_exec_callback=None, post_exec_callback=None):
"""Setup shell hook definition
:param name: name of hook for error messages
:param path: absolute path to executable file
:param numparam: number of requirements parameters
:param pre_exec_callback: closure for setup before execution
Defaults to None. Takes in the variable argument list from the
execute functions and returns a modified argument list for the
shell hook.
:param post_exec_callback: closure for cleanup after execution
Defaults to None. Takes in a boolean for hook success and the
modified argument list and returns the final hook return value
if applicable
"""
self.name = name
self.filepath = path
self.numparam = numparam
self.pre_exec_callback = pre_exec_callback
self.post_exec_callback = post_exec_callback
if sys.version_info[0] == 2 and sys.platform == 'win32':
# Python 2 on windows does not support unicode file paths
# http://bugs.python.org/issue1759845
self.filepath = self.filepath.encode(sys.getfilesystemencoding())
def execute(self, *args):
"""Execute the hook with given args"""
if len(args) != self.numparam:
raise HookError("Hook %s executed with wrong number of args. \
Expected %d. Saw %d. args: %s"
% (self.name, self.numparam, len(args), args))
if (self.pre_exec_callback is not None):
args = self.pre_exec_callback(*args)
try:
ret = subprocess.call([self.filepath] + list(args))
if ret != 0:
if (self.post_exec_callback is not None):
self.post_exec_callback(0, *args)
raise HookError("Hook %s exited with non-zero status"
% (self.name))
if (self.post_exec_callback is not None):
return self.post_exec_callback(1, *args)
except OSError: # no file. silent failure.
if (self.post_exec_callback is not None):
self.post_exec_callback(0, *args)
class PreCommitShellHook(ShellHook):
"""pre-commit shell hook"""
def __init__(self, controldir):
filepath = os.path.join(controldir, 'hooks', 'pre-commit')
ShellHook.__init__(self, 'pre-commit', filepath, 0)
class PostCommitShellHook(ShellHook):
"""post-commit shell hook"""
def __init__(self, controldir):
filepath = os.path.join(controldir, 'hooks', 'post-commit')
ShellHook.__init__(self, 'post-commit', filepath, 0)
class CommitMsgShellHook(ShellHook):
"""commit-msg shell hook
:param args[0]: commit message
:return: new commit message or None
"""
def __init__(self, controldir):
filepath = os.path.join(controldir, 'hooks', 'commit-msg')
def prepare_msg(*args):
(fd, path) = tempfile.mkstemp()
with os.fdopen(fd, 'wb') as f:
f.write(args[0])
return (path,)
def clean_msg(success, *args):
if success:
with open(args[0], 'rb') as f:
new_msg = f.read()
os.unlink(args[0])
return new_msg
os.unlink(args[0])
ShellHook.__init__(self, 'commit-msg', filepath, 1,
prepare_msg, clean_msg)
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