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from symbolic import SymbolicReference
import os
from git.objects import Object
from git.util import (
LazyMixin,
Iterable,
)
from gitdb.util import (
isfile,
hex_to_bin
)
__all__ = ["Reference"]
class Reference(SymbolicReference, LazyMixin, Iterable):
"""Represents a named reference to any object. Subclasses may apply restrictions though,
i.e. Heads can only point to commits."""
__slots__ = tuple()
_points_to_commits_only = False
_resolve_ref_on_create = True
_common_path_default = "refs"
def __init__(self, repo, path):
"""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"""
if not path.startswith(self._common_path_default+'/'):
raise ValueError("Cannot instantiate %r from path %s" % ( self.__class__.__name__, path ))
super(Reference, self).__init__(repo, path)
def __str__(self):
return self.name
@property
def name(self):
""":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, repo, common_path = None):
"""Equivalent to SymbolicReference.iter_items, but will return non-detached
references as well."""
return cls._iter_items(repo, common_path)
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