iframe-proxy | Sunbelt Computer Software

History

177 lines (137 loc) · 5.51 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

# This module is part of GitPython and is released under the

# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

__all__ = ["Reference"]

import os

from git.util import IterableObj, LazyMixin

from .symbolic import SymbolicReference, T_References

# typing ------------------------------------------------------------------

from typing import Any, Callable, Iterator, TYPE_CHECKING, Type, Union

from git.types import AnyGitObject, PathLike, _T

if TYPE_CHECKING:

from git.repo import Repo

# ------------------------------------------------------------------------------

# { Utilities

def require_remote_ref_path(func: Callable[..., _T]) -> Callable[..., _T]:

"""A decorator raising :exc:`ValueError` if we are not a valid remote, based on the

path."""

def wrapper(self: T_References, *args: Any) -> _T:

if not self.is_remote():

raise ValueError("ref path does not point to a remote reference: %s" % self.path)

return func(self, *args)

# END wrapper

wrapper.__name__ = func.__name__

return wrapper

# } END utilities

class Reference(SymbolicReference, LazyMixin, IterableObj):

"""A named reference to any object.

Subclasses may apply restrictions though, e.g., a :class:`~git.refs.head.Head` can

only point to commits.

"""

__slots__ = ()

_points_to_commits_only = False

_resolve_ref_on_create = True

_common_path_default = "refs"

def __init__(self, repo: "Repo", path: PathLike, check_path: bool = True) -> None:

"""Initialize this instance.

:param repo:

Our parent repository.

:param path:

Path relative to the ``.git/`` directory pointing to the ref in question,

e.g. ``refs/heads/master``.

:param check_path:

If ``False``, you can provide any path.

Otherwise the path must start with the default path prefix of this type.

"""

if check_path and not os.fspath(path).startswith(self._common_path_default + "/"):

raise ValueError(f"Cannot instantiate {self.__class__.__name__!r} from path {path}")

self.path: str # SymbolicReference converts to string at the moment.

super().__init__(repo, path)

def __str__(self) -> str:

return self.name

# { Interface

# @ReservedAssignment

def set_object(

self,

object: Union[AnyGitObject, "SymbolicReference", str],

logmsg: Union[str, None] = None,

) -> "Reference":

"""Special version which checks if the head-log needs an update as well.

:return:

self

"""

oldbinsha = None

if logmsg is not None:

head = self.repo.head

if not head.is_detached and head.ref == self:

oldbinsha = self.commit.binsha

# END handle commit retrieval

# END handle message is set

super().set_object(object, logmsg)

if oldbinsha is not None:

# From refs/files-backend.c in git-source:

# /*

# * Special hack: If a branch is updated directly and HEAD

# * points to it (may happen on the remote side of a push

# * for example) then logically the HEAD reflog should be

# * updated too.

# * A generic solution implies reverse symref information,

# * but finding all symrefs pointing to the given branch

# * would be rather costly for this rare event (the direct

# * update of a branch) to be worth it. So let's cheat and

# * check with HEAD only which should cover 99% of all usage

# * scenarios (even 100% of the default ones).

# */

self.repo.head.log_append(oldbinsha, logmsg)

# END check if the head

return self

# NOTE: No need to overwrite properties, as the will only work without a the log.

@property

def name(self) -> str:

"""

:return:

(shortest) Name of this reference - it may contain path components

"""

# The first two path tokens can be removed as they are

# refs/heads or refs/tags or refs/remotes.

tokens = self.path.split("/")

if len(tokens) < 3:

return self.path # could be refs/HEAD

return "/".join(tokens[2:])

@classmethod

def iter_items(

cls: Type[T_References],

repo: "Repo",

common_path: Union[PathLike, None] = None,

*args: Any,

**kwargs: Any,

) -> Iterator[T_References]:

"""Equivalent to

:meth:`SymbolicReference.iter_items <git.refs.symbolic.SymbolicReference.iter_items>`,

but will return non-detached references as well."""

return cls._iter_items(repo, common_path)

# } END interface

# { Remote Interface

@property

@require_remote_ref_path

def remote_name(self) -> str:

"""

:return:

Name of the remote we are a reference of, such as ``origin`` for a reference

named ``origin/master``.

"""

tokens = self.path.split("/")

# /refs/remotes/<remote name>/<branch_name>

return tokens[2]

@property

@require_remote_ref_path

def remote_head(self) -> str:

"""

:return:

Name of the remote head itself, e.g. ``master``.

:note:

The returned name is usually not qualified enough to uniquely identify a

branch.

"""

tokens = self.path.split("/")

return "/".join(tokens[3:])

# } END remote interface

Sunbelt Computer Software

PL/B Language Development and Support

Navigation Menu

Uh oh!

Uh oh!

Sunbelt Computer Software

PL/B Language Development and Support

Uh oh!

Uh oh!

FilesExpand file tree

reference.py

Latest commit

History

reference.py

File metadata and controls