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📁 ..	-	2026-03-21 15:45
📄 __init__.py # flake8: noqa # import all modules in order, fix the names they require from .symbolic import * from .reference import * from .head import * from .tag import * from .remote import * from .log import *	203 B	2026-01-20 12:58
📁 __pycache__	-	2026-03-21 15:45
📄 head.py from git.config import GitConfigParser, SectionConstraint from git.util import join_path from git.exc import GitCommandError from .symbolic import SymbolicReference from .reference import Reference # typinng --------------------------------------------------- from typing import Any, Sequence, Union, TYPE_CHECKING from git.types import PathLike, Commit_ish if TYPE_CHECKING: from git.repo import Repo from git.objects import Commit from git.refs import RemoteReference # ------------------------------------------------------------------- __all__ = ["HEAD", "Head"] def strip_quotes(string: str) -> str: if string.startswith('"') and string.endswith('"'): return string[1:-1] return string class HEAD(SymbolicReference): """Special case of a Symbolic Reference as it represents the repository's HEAD reference.""" _HEAD_NAME = "HEAD" _ORIG_HEAD_NAME = "ORIG_HEAD" __slots__ = () def __init__(self, repo: "Repo", path: PathLike = _HEAD_NAME): if path != self._HEAD_NAME: raise ValueError("HEAD instance must point to %r, got %r" % (self._HEAD_NAME, path)) super(HEAD, self).__init__(repo, path) self.commit: "Commit" def orig_head(self) -> SymbolicReference: """ :return: SymbolicReference pointing at the ORIG_HEAD, which is maintained to contain the previous value of HEAD""" return SymbolicReference(self.repo, self._ORIG_HEAD_NAME) def reset( self, commit: Union[Commit_ish, SymbolicReference, str] = "HEAD", index: bool = True, working_tree: bool = False, paths: Union[PathLike, Sequence[PathLike], None] = None, kwargs: Any, ) -> "HEAD": """Reset our HEAD to the given commit optionally synchronizing the index and working tree. The reference we refer to will be set to commit as well. :param commit: Commit object, Reference Object or string identifying a revision we should reset HEAD to. :param index: If True, the index will be set to match the given commit. Otherwise it will not be touched. :param working_tree: If True, the working tree will be forcefully adjusted to match the given commit, possibly overwriting uncommitted changes without warning. If working_tree is True, index must be true as well :param paths: Single path or list of paths relative to the git root directory that are to be reset. This allows to partially reset individual files. :param kwargs: Additional arguments passed to git-reset. :return: self""" mode: Union[str, None] mode = "--soft" if index: mode = "--mixed" # it appears, some git-versions declare mixed and paths deprecated # see http://github.com/Byron/GitPython/issues#issue/2 if paths: mode = None # END special case # END handle index if working_tree: mode = "--hard" if not index: raise ValueError("Cannot reset the working tree if the index is not reset as well") # END working tree handling try: self.repo.git.reset(mode, commit, "--", paths, kwargs) except GitCommandError as e: # git nowadays may use 1 as status to indicate there are still unstaged # modifications after the reset if e.status != 1: raise # END handle exception return self class Head(Reference): """A Head is a named reference to a Commit. Every Head instance contains a name and a Commit object. Examples:: >>> repo = Repo("/path/to/repo") >>> head = repo.heads[0] >>> head.name 'master' >>> head.commit <git.Commit "1c09f116cbc2cb4100fb6935bb162daa4723f455"> >>> head.commit.hexsha '1c09f116cbc2cb4100fb6935bb162daa4723f455'""" _common_path_default = "refs/heads" k_config_remote = "remote" k_config_remote_ref = "merge" # branch to merge from remote @classmethod def delete(cls, repo: "Repo", heads: "Union[Head, str]", force: bool = False, kwargs: Any) -> None: """Delete the given heads :param force: If True, the heads will be deleted even if they are not yet merged into the main development stream. Default False""" flag = "-d" if force: flag = "-D" repo.git.branch(flag, heads) def set_tracking_branch(self, remote_reference: Union["RemoteReference", None]) -> "Head": """ Configure this branch to track the given remote reference. This will alter this branch's configuration accordingly. :param remote_reference: The remote reference to track or None to untrack any references :return: self""" from .remote import RemoteReference if remote_reference is not None and not isinstance(remote_reference, RemoteReference): raise ValueError("Incorrect parameter type: %r" % remote_reference) # END handle type with self.config_writer() as writer: if remote_reference is None: writer.remove_option(self.k_config_remote) writer.remove_option(self.k_config_remote_ref) if len(writer.options()) == 0: writer.remove_section() else: writer.set_value(self.k_config_remote, remote_reference.remote_name) writer.set_value( self.k_config_remote_ref, Head.to_full_path(remote_reference.remote_head), ) return self def tracking_branch(self) -> Union["RemoteReference", None]: """ :return: The remote_reference we are tracking, or None if we are not a tracking branch""" from .remote import RemoteReference reader = self.config_reader() if reader.has_option(self.k_config_remote) and reader.has_option(self.k_config_remote_ref): ref = Head( self.repo, Head.to_full_path(strip_quotes(reader.get_value(self.k_config_remote_ref))), ) remote_refpath = RemoteReference.to_full_path(join_path(reader.get_value(self.k_config_remote), ref.name)) return RemoteReference(self.repo, remote_refpath) # END handle have tracking branch # we are not a tracking branch return None def rename(self, new_path: PathLike, force: bool = False) -> "Head": """Rename self to a new path :param new_path: Either a simple name or a path, i.e. new_name or features/new_name. The prefix refs/heads is implied :param force: If True, the rename will succeed even if a head with the target name already exists. :return: self :note: respects the ref log as git commands are used""" flag = "-m" if force: flag = "-M" self.repo.git.branch(flag, self, new_path) self.path = "%s/%s" % (self._common_path_default, new_path) return self def checkout(self, force: bool = False, kwargs: Any) -> Union["HEAD", "Head"]: """Checkout this head by setting the HEAD to this reference, by updating the index to reflect the tree we point to and by updating the working tree to reflect the latest index. The command will fail if changed working tree files would be overwritten. :param force: If True, changes to the index and the working tree will be discarded. If False, GitCommandError will be raised in that situation. :param kwargs: Additional keyword arguments to be passed to git checkout, i.e. b='new_branch' to create a new branch at the given spot. :return: The active branch after the checkout operation, usually self unless a new branch has been created. If there is no active branch, as the HEAD is now detached, the HEAD reference will be returned instead. :note: By default it is only allowed to checkout heads - everything else will leave the HEAD detached which is allowed and possible, but remains a special state that some tools might not be able to handle.""" kwargs["f"] = force if kwargs["f"] is False: kwargs.pop("f") self.repo.git.checkout(self, kwargs) if self.repo.head.is_detached: return self.repo.head else: return self.repo.active_branch # { Configuration def _config_parser(self, read_only: bool) -> SectionConstraint[GitConfigParser]: if read_only: parser = self.repo.config_reader() else: parser = self.repo.config_writer() # END handle parser instance return SectionConstraint(parser, 'branch "%s"' % self.name) def config_reader(self) -> SectionConstraint[GitConfigParser]: """ :return: A configuration parser instance constrained to only read this instance's values""" return self._config_parser(read_only=True) def config_writer(self) -> SectionConstraint[GitConfigParser]: """ :return: A configuration writer instance with read-and write access to options of this head""" return self._config_parser(read_only=False) # } END configuration	9.53 KB	2026-01-20 12:58
📄 log.py from mmap import mmap import re import time as _time from git.compat import defenc from git.objects.util import ( parse_date, Serializable, altz_to_utctz_str, ) from git.util import ( Actor, LockedFD, LockFile, assure_directory_exists, to_native_path, bin_to_hex, file_contents_ro_filepath, ) import os.path as osp # typing ------------------------------------------------------------------ from typing import Iterator, List, Tuple, Union, TYPE_CHECKING from git.types import PathLike if TYPE_CHECKING: from git.refs import SymbolicReference from io import BytesIO from git.config import GitConfigParser, SectionConstraint # NOQA # ------------------------------------------------------------------------------ __all__ = ["RefLog", "RefLogEntry"] class RefLogEntry(Tuple[str, str, Actor, Tuple[int, int], str]): """Named tuple allowing easy access to the revlog data fields""" _re_hexsha_only = re.compile("^[0-9A-Fa-f]{40}$") __slots__ = () def __repr__(self) -> str: """Representation of ourselves in git reflog format""" return self.format() def format(self) -> str: """:return: a string suitable to be placed in a reflog file""" act = self.actor time = self.time return "{} {} {} <{}> {!s} {}\t{}\n".format( self.oldhexsha, self.newhexsha, act.name, act.email, time[0], altz_to_utctz_str(time[1]), self.message, ) @property def oldhexsha(self) -> str: """The hexsha to the commit the ref pointed to before the change""" return self[0] @property def newhexsha(self) -> str: """The hexsha to the commit the ref now points to, after the change""" return self[1] @property def actor(self) -> Actor: """Actor instance, providing access""" return self[2] @property def time(self) -> Tuple[int, int]: """time as tuple: * [0] = int(time) * [1] = int(timezone_offset) in time.altzone format""" return self[3] @property def message(self) -> str: """Message describing the operation that acted on the reference""" return self[4] @classmethod def new( cls, oldhexsha: str, newhexsha: str, actor: Actor, time: int, tz_offset: int, message: str, ) -> "RefLogEntry": # skipcq: PYL-W0621 """:return: New instance of a RefLogEntry""" if not isinstance(actor, Actor): raise ValueError("Need actor instance, got %s" % actor) # END check types return RefLogEntry((oldhexsha, newhexsha, actor, (time, tz_offset), message)) @classmethod def from_line(cls, line: bytes) -> "RefLogEntry": """:return: New RefLogEntry instance from the given revlog line. :param line: line bytes without trailing newline :raise ValueError: If line could not be parsed""" line_str = line.decode(defenc) fields = line_str.split("\t", 1) if len(fields) == 1: info, msg = fields[0], None elif len(fields) == 2: info, msg = fields else: raise ValueError("Line must have up to two TAB-separated fields." " Got %s" % repr(line_str)) # END handle first split oldhexsha = info[:40] newhexsha = info[41:81] for hexsha in (oldhexsha, newhexsha): if not cls._re_hexsha_only.match(hexsha): raise ValueError("Invalid hexsha: %r" % (hexsha,)) # END if hexsha re doesn't match # END for each hexsha email_end = info.find(">", 82) if email_end == -1: raise ValueError("Missing token: >") # END handle missing end brace actor = Actor._from_string(info[82 : email_end + 1]) time, tz_offset = parse_date(info[email_end + 2 :]) # skipcq: PYL-W0621 return RefLogEntry((oldhexsha, newhexsha, actor, (time, tz_offset), msg)) class RefLog(List[RefLogEntry], Serializable): """A reflog contains RefLogEntrys, each of which defines a certain state of the head in question. Custom query methods allow to retrieve log entries by date or by other criteria. Reflog entries are ordered, the first added entry is first in the list, the last entry, i.e. the last change of the head or reference, is last in the list.""" __slots__ = ("_path",) def __new__(cls, filepath: Union[PathLike, None] = None) -> "RefLog": inst = super(RefLog, cls).__new__(cls) return inst def __init__(self, filepath: Union[PathLike, None] = None): """Initialize this instance with an optional filepath, from which we will initialize our data. The path is also used to write changes back using the write() method""" self._path = filepath if filepath is not None: self._read_from_file() # END handle filepath def _read_from_file(self) -> None: try: fmap = file_contents_ro_filepath(self._path, stream=True, allow_mmap=True) except OSError: # it is possible and allowed that the file doesn't exist ! return # END handle invalid log try: self._deserialize(fmap) finally: fmap.close() # END handle closing of handle # { Interface @classmethod def from_file(cls, filepath: PathLike) -> "RefLog": """ :return: a new RefLog instance containing all entries from the reflog at the given filepath :param filepath: path to reflog :raise ValueError: If the file could not be read or was corrupted in some way""" return cls(filepath) @classmethod def path(cls, ref: "SymbolicReference") -> str: """ :return: string to absolute path at which the reflog of the given ref instance would be found. The path is not guaranteed to point to a valid file though. :param ref: SymbolicReference instance""" return osp.join(ref.repo.git_dir, "logs", to_native_path(ref.path)) @classmethod def iter_entries(cls, stream: Union[str, "BytesIO", mmap]) -> Iterator[RefLogEntry]: """ :return: Iterator yielding RefLogEntry instances, one for each line read sfrom the given stream. :param stream: file-like object containing the revlog in its native format or string instance pointing to a file to read""" new_entry = RefLogEntry.from_line if isinstance(stream, str): # default args return mmap on py>3 _stream = file_contents_ro_filepath(stream) assert isinstance(_stream, mmap) else: _stream = stream # END handle stream type while True: line = _stream.readline() if not line: return yield new_entry(line.strip()) # END endless loop @classmethod def entry_at(cls, filepath: PathLike, index: int) -> "RefLogEntry": """ :return: RefLogEntry at the given index :param filepath: full path to the index file from which to read the entry :param index: python list compatible index, i.e. it may be negative to specify an entry counted from the end of the list :raise IndexError: If the entry didn't exist .. note:: This method is faster as it only parses the entry at index, skipping all other lines. Nonetheless, the whole file has to be read if the index is negative """ with open(filepath, "rb") as fp: if index < 0: return RefLogEntry.from_line(fp.readlines()[index].strip()) # read until index is reached for i in range(index + 1): line = fp.readline() if not line: raise IndexError(f"Index file ended at line {i+1}, before given index was reached") # END abort on eof # END handle runup return RefLogEntry.from_line(line.strip()) # END handle index def to_file(self, filepath: PathLike) -> None: """Write the contents of the reflog instance to a file at the given filepath. :param filepath: path to file, parent directories are assumed to exist""" lfd = LockedFD(filepath) assure_directory_exists(filepath, is_file=True) fp = lfd.open(write=True, stream=True) try: self._serialize(fp) lfd.commit() except Exception: # on failure it rolls back automatically, but we make it clear lfd.rollback() raise # END handle change @classmethod def append_entry( cls, config_reader: Union[Actor, "GitConfigParser", "SectionConstraint", None], filepath: PathLike, oldbinsha: bytes, newbinsha: bytes, message: str, write: bool = True, ) -> "RefLogEntry": """Append a new log entry to the revlog at filepath. :param config_reader: configuration reader of the repository - used to obtain user information. May also be an Actor instance identifying the committer directly or None. :param filepath: full path to the log file :param oldbinsha: binary sha of the previous commit :param newbinsha: binary sha of the current commit :param message: message describing the change to the reference :param write: If True, the changes will be written right away. Otherwise the change will not be written :return: RefLogEntry objects which was appended to the log :note: As we are append-only, concurrent access is not a problem as we do not interfere with readers.""" if len(oldbinsha) != 20 or len(newbinsha) != 20: raise ValueError("Shas need to be given in binary format") # END handle sha type assure_directory_exists(filepath, is_file=True) first_line = message.split("\n")[0] if isinstance(config_reader, Actor): committer = config_reader # mypy thinks this is Actor \| Gitconfigparser, but why? else: committer = Actor.committer(config_reader) entry = RefLogEntry( ( bin_to_hex(oldbinsha).decode("ascii"), bin_to_hex(newbinsha).decode("ascii"), committer, (int(_time.time()), _time.altzone), first_line, ) ) if write: lf = LockFile(filepath) lf._obtain_lock_or_raise() fd = open(filepath, "ab") try: fd.write(entry.format().encode(defenc)) finally: fd.close() lf._release_lock() # END handle write operation return entry def write(self) -> "RefLog": """Write this instance's data to the file we are originating from :return: self""" if self._path is None: raise ValueError("Instance was not initialized with a path, use to_file(...) instead") # END assert path self.to_file(self._path) return self # } END interface # { Serializable Interface def _serialize(self, stream: "BytesIO") -> "RefLog": write = stream.write # write all entries for e in self: write(e.format().encode(defenc)) # END for each entry return self def _deserialize(self, stream: "BytesIO") -> "RefLog": self.extend(self.iter_entries(stream)) # } END serializable interface return self	11.61 KB	2026-01-20 12:58
📄 reference.py from git.util import ( LazyMixin, IterableObj, ) from .symbolic import SymbolicReference, T_References # typing ------------------------------------------------------------------ from typing import Any, Callable, Iterator, Type, Union, TYPE_CHECKING # NOQA from git.types import Commit_ish, PathLike, _T # NOQA if TYPE_CHECKING: from git.repo import Repo # ------------------------------------------------------------------------------ __all__ = ["Reference"] # { Utilities def require_remote_ref_path(func: Callable[..., _T]) -> Callable[..., _T]: """A decorator raising a TypeError 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): """Represents a named reference to any object. Subclasses may apply restrictions though, i.e. Heads 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, i.e. 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 str(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 atm super(Reference, self).__init__(repo, path) def __str__(self) -> str: return self.name # { Interface # @ReservedAssignment def set_object( self, object: Union[Commit_ish, "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(Reference, self).set_object(object, logmsg) if oldbinsha is not None: # /* from refs.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: Don't have 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""" # first two path tokens are 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 SymbolicReference.iter_items, but will return non-detached references as well.""" return cls._iter_items(repo, common_path) # }END interface # { Remote Interface @property # type: ignore ## mypy cannot deal with properties with an extra decorator (2021-04-21) @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 # type: ignore ## mypy cannot deal with properties with an extra decorator (2021-04-21) @require_remote_ref_path def remote_head(self) -> str: """:return: Name of the remote head itself, i.e. 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	5.29 KB	2026-01-20 12:58
📄 remote.py import os from git.util import join_path from .head import Head __all__ = ["RemoteReference"] # typing ------------------------------------------------------------------ from typing import Any, Iterator, NoReturn, Union, TYPE_CHECKING from git.types import PathLike if TYPE_CHECKING: from git.repo import Repo from git import Remote # ------------------------------------------------------------------------------ class RemoteReference(Head): """Represents a reference pointing to a remote head.""" _common_path_default = Head._remote_common_path_default @classmethod def iter_items( cls, repo: "Repo", common_path: Union[PathLike, None] = None, remote: Union["Remote", None] = None, args: Any, kwargs: Any, ) -> Iterator["RemoteReference"]: """Iterate remote references, and if given, constrain them to the given remote""" common_path = common_path or cls._common_path_default if remote is not None: common_path = join_path(common_path, str(remote)) # END handle remote constraint # super is Reference return super(RemoteReference, cls).iter_items(repo, common_path) # The Head implementation of delete also accepts strs, but this # implementation does not. mypy doesn't have a way of representing # tightening the types of arguments in subclasses and recommends Any or # "type: ignore". (See https://github.com/python/typing/issues/241) @classmethod def delete(cls, repo: "Repo", refs: "RemoteReference", *kwargs: Any) -> None: # type: ignore """Delete the given remote references :note: kwargs are given for comparability with the base class method as we should not narrow the signature.""" repo.git.branch("-d", "-r", refs) # the official deletion method will ignore remote symbolic refs - these # are generally ignored in the refs/ folder. We don't though # and delete remainders manually for ref in refs: try: os.remove(os.path.join(repo.common_dir, ref.path)) except OSError: pass try: os.remove(os.path.join(repo.git_dir, ref.path)) except OSError: pass # END for each ref @classmethod def create(cls, args: Any, *kwargs: Any) -> NoReturn: """Used to disable this method""" raise TypeError("Cannot explicitly create remote references")	2.5 KB	2026-01-20 12:58
📄 symbolic.py from git.types import PathLike import os from git.compat import defenc from git.objects import Object from git.objects.commit import Commit from git.util import ( join_path, join_path_native, to_native_path_linux, assure_directory_exists, hex_to_bin, LockedFD, ) from gitdb.exc import BadObject, BadName from .log import RefLog # typing ------------------------------------------------------------------ from typing import ( Any, Iterator, List, Tuple, Type, TypeVar, Union, TYPE_CHECKING, cast, ) # NOQA from git.types import Commit_ish, PathLike # NOQA if TYPE_CHECKING: from git.repo import Repo from git.refs import Head, TagReference, RemoteReference, Reference from .log import RefLogEntry from git.config import GitConfigParser from git.objects.commit import Actor T_References = TypeVar("T_References", bound="SymbolicReference") # ------------------------------------------------------------------------------ __all__ = ["SymbolicReference"] def _git_dir(repo: "Repo", path: Union[PathLike, None]) -> PathLike: """Find the git dir that's appropriate for the path""" name = f"{path}" if name in ["HEAD", "ORIG_HEAD", "FETCH_HEAD", "index", "logs"]: return repo.git_dir return repo.common_dir class SymbolicReference(object): """Represents a special case of a reference such that this reference is symbolic. It does not point to a specific commit, but to another Head, which itself specifies a commit. A typical example for a symbolic reference is HEAD.""" __slots__ = ("repo", "path") _resolve_ref_on_create = False _points_to_commits_only = True _common_path_default = "" _remote_common_path_default = "refs/remotes" _id_attribute_ = "name" def __init__(self, repo: "Repo", path: PathLike, check_path: bool = False): self.repo = repo self.path = path def __str__(self) -> str: return str(self.path) def __repr__(self) -> str: return '<git.%s "%s">' % (self.__class__.__name__, self.path) def __eq__(self, other: object) -> bool: if hasattr(other, "path"): other = cast(SymbolicReference, other) return self.path == other.path return False def __ne__(self, other: object) -> bool: return not (self == other) def __hash__(self) -> int: return hash(self.path) @property def name(self) -> str: """ :return: In case of symbolic references, the shortest assumable name is the path itself.""" return str(self.path) @property def abspath(self) -> PathLike: return join_path_native(_git_dir(self.repo, self.path), self.path) @classmethod def _get_packed_refs_path(cls, repo: "Repo") -> str: return os.path.join(repo.common_dir, "packed-refs") @classmethod def _iter_packed_refs(cls, repo: "Repo") -> Iterator[Tuple[str, str]]: """Returns an iterator yielding pairs of sha1/path pairs (as strings) for the corresponding refs. :note: The packed refs file will be kept open as long as we iterate""" try: with open(cls._get_packed_refs_path(repo), "rt", encoding="UTF-8") as fp: for line in fp: line = line.strip() if not line: continue if line.startswith("#"): # "# pack-refs with: peeled fully-peeled sorted" # the git source code shows "peeled", # "fully-peeled" and "sorted" as the keywords # that can go on this line, as per comments in git file # refs/packed-backend.c # I looked at master on 2017-10-11, # commit 111ef79afe, after tag v2.15.0-rc1 # from repo https://github.com/git/git.git if line.startswith("# pack-refs with:") and "peeled" not in line: raise TypeError("PackingType of packed-Refs not understood: %r" % line) # END abort if we do not understand the packing scheme continue # END parse comment # skip dereferenced tag object entries - previous line was actual # tag reference for it if line[0] == "^": continue yield cast(Tuple[str, str], tuple(line.split(" ", 1))) # END for each line except OSError: return None # END no packed-refs file handling # NOTE: Had try-finally block around here to close the fp, # but some python version wouldn't allow yields within that. # I believe files are closing themselves on destruction, so it is # alright. @classmethod def dereference_recursive(cls, repo: "Repo", ref_path: Union[PathLike, None]) -> str: """ :return: hexsha stored in the reference at the given ref_path, recursively dereferencing all intermediate references as required :param repo: the repository containing the reference at ref_path""" while True: hexsha, ref_path = cls._get_ref_info(repo, ref_path) if hexsha is not None: return hexsha # END recursive dereferencing @classmethod def _get_ref_info_helper( cls, repo: "Repo", ref_path: Union[PathLike, None] ) -> Union[Tuple[str, None], Tuple[None, str]]: """Return: (str(sha), str(target_ref_path)) if available, the sha the file at rela_path points to, or None. target_ref_path is the reference we point to, or None""" tokens: Union[None, List[str], Tuple[str, str]] = None repodir = _git_dir(repo, ref_path) try: with open(os.path.join(repodir, str(ref_path)), "rt", encoding="UTF-8") as fp: value = fp.read().rstrip() # Don't only split on spaces, but on whitespace, which allows to parse lines like # 60b64ef992065e2600bfef6187a97f92398a9144 branch 'master' of git-server:/path/to/repo tokens = value.split() assert len(tokens) != 0 except OSError: # Probably we are just packed, find our entry in the packed refs file # NOTE: We are not a symbolic ref if we are in a packed file, as these # are excluded explicitly for sha, path in cls._iter_packed_refs(repo): if path != ref_path: continue # sha will be used tokens = sha, path break # END for each packed ref # END handle packed refs if tokens is None: raise ValueError("Reference at %r does not exist" % ref_path) # is it a reference ? if tokens[0] == "ref:": return (None, tokens[1]) # its a commit if repo.re_hexsha_only.match(tokens[0]): return (tokens[0], None) raise ValueError("Failed to parse reference information from %r" % ref_path) @classmethod def _get_ref_info(cls, repo: "Repo", ref_path: Union[PathLike, None]) -> Union[Tuple[str, None], Tuple[None, str]]: """Return: (str(sha), str(target_ref_path)) if available, the sha the file at rela_path points to, or None. target_ref_path is the reference we point to, or None""" return cls._get_ref_info_helper(repo, ref_path) def _get_object(self) -> Commit_ish: """ :return: The object our ref currently refers to. Refs can be cached, they will always point to the actual object as it gets re-created on each query""" # have to be dynamic here as we may be a tag which can point to anything # Our path will be resolved to the hexsha which will be used accordingly return Object.new_from_sha(self.repo, hex_to_bin(self.dereference_recursive(self.repo, self.path))) def _get_commit(self) -> "Commit": """ :return: Commit object we point to, works for detached and non-detached SymbolicReferences. The symbolic reference will be dereferenced recursively.""" obj = self._get_object() if obj.type == "tag": obj = obj.object # END dereference tag if obj.type != Commit.type: raise TypeError("Symbolic Reference pointed to object %r, commit was required" % obj) # END handle type return obj def set_commit( self, commit: Union[Commit, "SymbolicReference", str], logmsg: Union[str, None] = None, ) -> "SymbolicReference": """As set_object, but restricts the type of object to be a Commit :raise ValueError: If commit is not a Commit object or doesn't point to a commit :return: self""" # check the type - assume the best if it is a base-string invalid_type = False if isinstance(commit, Object): invalid_type = commit.type != Commit.type elif isinstance(commit, SymbolicReference): invalid_type = commit.object.type != Commit.type else: try: invalid_type = self.repo.rev_parse(commit).type != Commit.type except (BadObject, BadName) as e: raise ValueError("Invalid object: %s" % commit) from e # END handle exception # END verify type if invalid_type: raise ValueError("Need commit, got %r" % commit) # END handle raise # we leave strings to the rev-parse method below self.set_object(commit, logmsg) return self def set_object( self, object: Union[Commit_ish, "SymbolicReference", str], logmsg: Union[str, None] = None, ) -> "SymbolicReference": """Set the object we point to, possibly dereference our symbolic reference first. If the reference does not exist, it will be created :param object: a refspec, a SymbolicReference or an Object instance. SymbolicReferences will be dereferenced beforehand to obtain the object they point to :param logmsg: If not None, the message will be used in the reflog entry to be written. Otherwise the reflog is not altered :note: plain SymbolicReferences may not actually point to objects by convention :return: self""" if isinstance(object, SymbolicReference): object = object.object # @ReservedAssignment # END resolve references is_detached = True try: is_detached = self.is_detached except ValueError: pass # END handle non-existing ones if is_detached: return self.set_reference(object, logmsg) # set the commit on our reference return self._get_reference().set_object(object, logmsg) commit = property(_get_commit, set_commit, doc="Query or set commits directly") # type: ignore object = property(_get_object, set_object, doc="Return the object our ref currently refers to") # type: ignore def _get_reference(self) -> "SymbolicReference": """:return: Reference Object we point to :raise TypeError: If this symbolic reference is detached, hence it doesn't point to a reference, but to a commit""" sha, target_ref_path = self._get_ref_info(self.repo, self.path) if target_ref_path is None: raise TypeError("%s is a detached symbolic reference as it points to %r" % (self, sha)) return self.from_path(self.repo, target_ref_path) def set_reference( self, ref: Union[Commit_ish, "SymbolicReference", str], logmsg: Union[str, None] = None, ) -> "SymbolicReference": """Set ourselves to the given ref. It will stay a symbol if the ref is a Reference. Otherwise an Object, given as Object instance or refspec, is assumed and if valid, will be set which effectively detaches the reference if it was a purely symbolic one. :param ref: SymbolicReference instance, Object instance or refspec string Only if the ref is a SymbolicRef instance, we will point to it. Everything else is dereferenced to obtain the actual object. :param logmsg: If set to a string, the message will be used in the reflog. Otherwise, a reflog entry is not written for the changed reference. The previous commit of the entry will be the commit we point to now. See also: log_append() :return: self :note: This symbolic reference will not be dereferenced. For that, see ``set_object(...)``""" write_value = None obj = None if isinstance(ref, SymbolicReference): write_value = "ref: %s" % ref.path elif isinstance(ref, Object): obj = ref write_value = ref.hexsha elif isinstance(ref, str): try: obj = self.repo.rev_parse(ref + "^{}") # optionally deref tags write_value = obj.hexsha except (BadObject, BadName) as e: raise ValueError("Could not extract object from %s" % ref) from e # END end try string else: raise ValueError("Unrecognized Value: %r" % ref) # END try commit attribute # typecheck if obj is not None and self._points_to_commits_only and obj.type != Commit.type: raise TypeError("Require commit, got %r" % obj) # END verify type oldbinsha: bytes = b"" if logmsg is not None: try: oldbinsha = self.commit.binsha except ValueError: oldbinsha = Commit.NULL_BIN_SHA # END handle non-existing # END retrieve old hexsha fpath = self.abspath assure_directory_exists(fpath, is_file=True) lfd = LockedFD(fpath) fd = lfd.open(write=True, stream=True) ok = True try: fd.write(write_value.encode("utf-8") + b"\n") lfd.commit() ok = True finally: if not ok: lfd.rollback() # Adjust the reflog if logmsg is not None: self.log_append(oldbinsha, logmsg) return self # aliased reference reference: Union["Head", "TagReference", "RemoteReference", "Reference"] reference = property(_get_reference, set_reference, doc="Returns the Reference we point to") # type: ignore ref = reference def is_valid(self) -> bool: """ :return: True if the reference is valid, hence it can be read and points to a valid object or reference.""" try: self.object except (OSError, ValueError): return False else: return True @property def is_detached(self) -> bool: """ :return: True if we are a detached reference, hence we point to a specific commit instead to another reference""" try: self.ref return False except TypeError: return True def log(self) -> "RefLog": """ :return: RefLog for this reference. Its last entry reflects the latest change applied to this reference .. note:: As the log is parsed every time, its recommended to cache it for use instead of calling this method repeatedly. It should be considered read-only.""" return RefLog.from_file(RefLog.path(self)) def log_append( self, oldbinsha: bytes, message: Union[str, None], newbinsha: Union[bytes, None] = None, ) -> "RefLogEntry": """Append a logentry to the logfile of this ref :param oldbinsha: binary sha this ref used to point to :param message: A message describing the change :param newbinsha: The sha the ref points to now. If None, our current commit sha will be used :return: added RefLogEntry instance""" # NOTE: we use the committer of the currently active commit - this should be # correct to allow overriding the committer on a per-commit level. # See https://github.com/gitpython-developers/GitPython/pull/146 try: committer_or_reader: Union["Actor", "GitConfigParser"] = self.commit.committer except ValueError: committer_or_reader = self.repo.config_reader() # end handle newly cloned repositories if newbinsha is None: newbinsha = self.commit.binsha if message is None: message = "" return RefLog.append_entry(committer_or_reader, RefLog.path(self), oldbinsha, newbinsha, message) def log_entry(self, index: int) -> "RefLogEntry": """:return: RefLogEntry at the given index :param index: python list compatible positive or negative index .. note:: This method must read part of the reflog during execution, hence it should be used sparringly, or only if you need just one index. In that case, it will be faster than the ``log()`` method""" return RefLog.entry_at(RefLog.path(self), index) @classmethod def to_full_path(cls, path: Union[PathLike, "SymbolicReference"]) -> PathLike: """ :return: string with a full repository-relative path which can be used to initialize a Reference instance, for instance by using ``Reference.from_path``""" if isinstance(path, SymbolicReference): path = path.path full_ref_path = path if not cls._common_path_default: return full_ref_path if not str(path).startswith(cls._common_path_default + "/"): full_ref_path = "%s/%s" % (cls._common_path_default, path) return full_ref_path @classmethod def delete(cls, repo: "Repo", path: PathLike) -> None: """Delete the reference at the given path :param repo: Repository to delete the reference from :param path: Short or full path pointing to the reference, i.e. refs/myreference or just "myreference", hence 'refs/' is implied. Alternatively the symbolic reference to be deleted""" full_ref_path = cls.to_full_path(path) abs_path = os.path.join(repo.common_dir, full_ref_path) if os.path.exists(abs_path): os.remove(abs_path) else: # check packed refs pack_file_path = cls._get_packed_refs_path(repo) try: with open(pack_file_path, "rb") as reader: new_lines = [] made_change = False dropped_last_line = False for line_bytes in reader: line = line_bytes.decode(defenc) _, _, line_ref = line.partition(" ") line_ref = line_ref.strip() # keep line if it is a comment or if the ref to delete is not # in the line # If we deleted the last line and this one is a tag-reference object, # we drop it as well if (line.startswith("#") or full_ref_path != line_ref) and ( not dropped_last_line or dropped_last_line and not line.startswith("^") ): new_lines.append(line) dropped_last_line = False continue # END skip comments and lines without our path # drop this line made_change = True dropped_last_line = True # write the new lines if made_change: # write-binary is required, otherwise windows will # open the file in text mode and change LF to CRLF ! with open(pack_file_path, "wb") as fd: fd.writelines(line.encode(defenc) for line in new_lines) except OSError: pass # it didn't exist at all # delete the reflog reflog_path = RefLog.path(cls(repo, full_ref_path)) if os.path.isfile(reflog_path): os.remove(reflog_path) # END remove reflog @classmethod def _create( cls: Type[T_References], repo: "Repo", path: PathLike, resolve: bool, reference: Union["SymbolicReference", str], force: bool, logmsg: Union[str, None] = None, ) -> T_References: """internal method used to create a new symbolic reference. If resolve is False, the reference will be taken as is, creating a proper symbolic reference. Otherwise it will be resolved to the corresponding object and a detached symbolic reference will be created instead""" git_dir = _git_dir(repo, path) full_ref_path = cls.to_full_path(path) abs_ref_path = os.path.join(git_dir, full_ref_path) # figure out target data target = reference if resolve: target = repo.rev_parse(str(reference)) if not force and os.path.isfile(abs_ref_path): target_data = str(target) if isinstance(target, SymbolicReference): target_data = str(target.path) if not resolve: target_data = "ref: " + target_data with open(abs_ref_path, "rb") as fd: existing_data = fd.read().decode(defenc).strip() if existing_data != target_data: raise OSError( "Reference at %r does already exist, pointing to %r, requested was %r" % (full_ref_path, existing_data, target_data) ) # END no force handling ref = cls(repo, full_ref_path) ref.set_reference(target, logmsg) return ref @classmethod def create( cls: Type[T_References], repo: "Repo", path: PathLike, reference: Union["SymbolicReference", str] = "HEAD", logmsg: Union[str, None] = None, force: bool = False, *kwargs: Any, ) -> T_References: """Create a new symbolic reference, hence a reference pointing , to another reference. :param repo: Repository to create the reference in :param path: full path at which the new symbolic reference is supposed to be created at, i.e. "NEW_HEAD" or "symrefs/my_new_symref" :param reference: The reference to which the new symbolic reference should point to. If it is a commit'ish, the symbolic ref will be detached. :param force: if True, force creation even if a symbolic reference with that name already exists. Raise OSError otherwise :param logmsg: If not None, the message to append to the reflog. Otherwise no reflog entry is written. :return: Newly created symbolic Reference :raise OSError: If a (Symbolic)Reference with the same name but different contents already exists. :note: This does not alter the current HEAD, index or Working Tree""" return cls._create(repo, path, cls._resolve_ref_on_create, reference, force, logmsg) def rename(self, new_path: PathLike, force: bool = False) -> "SymbolicReference": """Rename self to a new path :param new_path: Either a simple name or a full path, i.e. new_name or features/new_name. The prefix refs/ is implied for references and will be set as needed. In case this is a symbolic ref, there is no implied prefix :param force: If True, the rename will succeed even if a head with the target name already exists. It will be overwritten in that case :return: self :raise OSError: In case a file at path but a different contents already exists""" new_path = self.to_full_path(new_path) if self.path == new_path: return self new_abs_path = os.path.join(_git_dir(self.repo, new_path), new_path) cur_abs_path = os.path.join(_git_dir(self.repo, self.path), self.path) if os.path.isfile(new_abs_path): if not force: # if they point to the same file, its not an error with open(new_abs_path, "rb") as fd1: f1 = fd1.read().strip() with open(cur_abs_path, "rb") as fd2: f2 = fd2.read().strip() if f1 != f2: raise OSError("File at path %r already exists" % new_abs_path) # else: we could remove ourselves and use the otherone, but # but clarity we just continue as usual # END not force handling os.remove(new_abs_path) # END handle existing target file dname = os.path.dirname(new_abs_path) if not os.path.isdir(dname): os.makedirs(dname) # END create directory os.rename(cur_abs_path, new_abs_path) self.path = new_path return self @classmethod def _iter_items( cls: Type[T_References], repo: "Repo", common_path: Union[PathLike, None] = None ) -> Iterator[T_References]: if common_path is None: common_path = cls._common_path_default rela_paths = set() # walk loose refs # Currently we do not follow links for root, dirs, files in os.walk(join_path_native(repo.common_dir, common_path)): if "refs" not in root.split(os.sep): # skip non-refs subfolders refs_id = [d for d in dirs if d == "refs"] if refs_id: dirs[0:] = ["refs"] # END prune non-refs folders for f in files: if f == "packed-refs": continue abs_path = to_native_path_linux(join_path(root, f)) rela_paths.add(abs_path.replace(to_native_path_linux(repo.common_dir) + "/", "")) # END for each file in root directory # END for each directory to walk # read packed refs for _sha, rela_path in cls._iter_packed_refs(repo): if rela_path.startswith(str(common_path)): rela_paths.add(rela_path) # END relative path matches common path # END packed refs reading # return paths in sorted order for path in sorted(rela_paths): try: yield cls.from_path(repo, path) except ValueError: continue # END for each sorted relative refpath @classmethod def iter_items( cls: Type[T_References], repo: "Repo", common_path: Union[PathLike, None] = None, args: Any, **kwargs: Any, ) -> Iterator[T_References]: """Find all refs in the repository :param repo: is the Repo :param common_path: Optional keyword argument to the path which is to be shared by all returned Ref objects. Defaults to class specific portion if None assuring that only refs suitable for the actual class are returned. :return: git.SymbolicReference[], each of them is guaranteed to be a symbolic ref which is not detached and pointing to a valid ref List is lexicographically sorted The returned objects represent actual subclasses, such as Head or TagReference""" return (r for r in cls._iter_items(repo, common_path) if r.__class__ == SymbolicReference or not r.is_detached) @classmethod def from_path(cls: Type[T_References], repo: "Repo", path: PathLike) -> T_References: """ :param path: full .git-directory-relative path name to the Reference to instantiate :note: use to_full_path() if you only have a partial path of a known Reference Type :return: Instance of type Reference, Head, or Tag depending on the given path""" if not path: raise ValueError("Cannot create Reference from %r" % path) # Names like HEAD are inserted after the refs module is imported - we have an import dependency # cycle and don't want to import these names in-function from . import HEAD, Head, RemoteReference, TagReference, Reference for ref_type in ( HEAD, Head, RemoteReference, TagReference, Reference, SymbolicReference, ): try: instance: T_References instance = ref_type(repo, path) if instance.__class__ == SymbolicReference and instance.is_detached: raise ValueError("SymbolRef was detached, we drop it") else: return instance except ValueError: pass # END exception handling # END for each type to try raise ValueError("Could not find reference type suitable to handle path %r" % path) def is_remote(self) -> bool: """:return: True if this symbolic reference points to a remote branch""" return str(self.path).startswith(self._remote_common_path_default + "/")	29.26 KB	2026-01-20 12:58
📄 tag.py from .reference import Reference __all__ = ["TagReference", "Tag"] # typing ------------------------------------------------------------------ from typing import Any, Type, Union, TYPE_CHECKING from git.types import Commit_ish, PathLike if TYPE_CHECKING: from git.repo import Repo from git.objects import Commit from git.objects import TagObject from git.refs import SymbolicReference # ------------------------------------------------------------------------------ class TagReference(Reference): """Class representing a lightweight tag reference which either points to a commit ,a tag object or any other object. In the latter case additional information, like the signature or the tag-creator, is available. This tag object will always point to a commit object, but may carry additional information in a tag object:: tagref = TagReference.list_items(repo)[0] print(tagref.commit.message) if tagref.tag is not None: print(tagref.tag.message)""" __slots__ = () _common_default = "tags" _common_path_default = Reference._common_path_default + "/" + _common_default @property def commit(self) -> "Commit": # type: ignore[override] # LazyMixin has unrelated commit method """:return: Commit object the tag ref points to :raise ValueError: if the tag points to a tree or blob""" obj = self.object while obj.type != "commit": if obj.type == "tag": # it is a tag object which carries the commit as an object - we can point to anything obj = obj.object else: raise ValueError( ( "Cannot resolve commit as tag %s points to a %s object - " + "use the `.object` property instead to access it" ) % (self, obj.type) ) return obj @property def tag(self) -> Union["TagObject", None]: """ :return: Tag object this tag ref points to or None in case we are a light weight tag""" obj = self.object if obj.type == "tag": return obj return None # make object read-only # It should be reasonably hard to adjust an existing tag # object = property(Reference._get_object) @property def object(self) -> Commit_ish: # type: ignore[override] return Reference._get_object(self) @classmethod def create( cls: Type["TagReference"], repo: "Repo", path: PathLike, reference: Union[str, "SymbolicReference"] = "HEAD", logmsg: Union[str, None] = None, force: bool = False, *kwargs: Any, ) -> "TagReference": """Create a new tag reference. :param path: The name of the tag, i.e. 1.0 or releases/1.0. The prefix refs/tags is implied :param ref: A reference to the Object you want to tag. The Object can be a commit, tree or blob. :param logmsg: If not None, the message will be used in your tag object. This will also create an additional tag object that allows to obtain that information, i.e.:: tagref.tag.message :param message: Synonym for :param logmsg: Included for backwards compatibility. :param logmsg is used in preference if both given. :param force: If True, to force creation of a tag even though that tag already exists. :param kwargs: Additional keyword arguments to be passed to git-tag :return: A new TagReference""" if "ref" in kwargs and kwargs["ref"]: reference = kwargs["ref"] if "message" in kwargs and kwargs["message"]: kwargs["m"] = kwargs["message"] del kwargs["message"] if logmsg: kwargs["m"] = logmsg if force: kwargs["f"] = True args = (path, reference) repo.git.tag(args, *kwargs) return TagReference(repo, "%s/%s" % (cls._common_path_default, path)) @classmethod def delete(cls, repo: "Repo", tags: "TagReference") -> None: # type: ignore[override] """Delete the given existing tag or tags""" repo.git.tag("-d", *tags) # provide an alias Tag = TagReference	4.32 KB	2026-01-20 12:58

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