def delete(cls, repo, path):
"""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 = join(repo.git_dir, full_ref_path)
if exists(abs_path):
os.remove(abs_path)
else:
# check packed refs
pack_file_path = cls._get_packed_refs_path(repo)
try:
reader = open(pack_file_path, 'rb')
except (OSError, IOError):
pass # it didnt exist at all
else:
new_lines = list()
made_change = False
dropped_last_line = False
for line in reader:
# 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 not in line ) 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
# END for each line in packed refs
reader.close()
# 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 !
open(pack_file_path, 'wb').writelines(new_lines)
# END write out file
# END open exception handling
# END handle deletion
# delete the reflog
reflog_path = RefLog.path(cls(repo, full_ref_path))
if os.path.isfile(reflog_path):
os.remove(reflog_path)
def delete(cls, repo, path):
"""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 = join(repo.git_dir, full_ref_path)
if exists(abs_path):
os.remove(abs_path)
else:
# check packed refs
pack_file_path = cls._get_packed_refs_path(repo)
try:
reader = open(pack_file_path, 'rb')
except (OSError, IOError):
pass # it didnt exist at all
else:
new_lines = list()
made_change = False
dropped_last_line = False
for line in reader:
# 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 not in line ) 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
# END for each line in packed refs
reader.close()
# 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 !
open(pack_file_path, 'wb').writelines(new_lines)
# END write out file
# END open exception handling
# END handle deletion
# delete the reflog
reflog_path = RefLog.path(cls(repo, full_ref_path))
if os.path.isfile(reflog_path):
os.remove(reflog_path)
def readable_db_object_path(self, hexsha):
"""
:return: readable object path to the object identified by hexsha
:raise BadObject: If the object file does not exist"""
try:
return self._hexsha_to_file[hexsha]
except KeyError:
pass
# END ignore cache misses
# try filesystem
path = self.db_path(self.object_path(hexsha))
if exists(path):
self._hexsha_to_file[hexsha] = path
return path
# END handle cache
raise BadObject(hexsha)
def readable_db_object_path(self, hexsha):
"""
:return: readable object path to the object identified by hexsha
:raise BadObject: If the object file does not exist"""
try:
return self._hexsha_to_file[hexsha]
except KeyError:
pass
# END ignore cache misses
# try filesystem
path = self.db_path(self.object_path(hexsha))
if exists(path):
self._hexsha_to_file[hexsha] = path
return path
# END handle cache
raise BadObject(hexsha)
def _initialize(self, path):
epath = abspath(expandvars(expanduser(path or os.getcwd())))
if not exists(epath):
raise NoSuchPathError(epath)
#END check file
self._working_tree_dir = None
self._git_path = None
curpath = epath
# walk up the path to find the .git dir
while curpath:
if is_git_dir(curpath):
self._git_path = curpath
self._working_tree_dir = os.path.dirname(curpath)
break
gitpath = join(curpath, self.repo_dir)
if is_git_dir(gitpath):
self._git_path = gitpath
self._working_tree_dir = curpath
break
curpath, dummy = os.path.split(curpath)
if not dummy:
break
# END while curpath
if self._git_path is None:
raise InvalidGitRepositoryError(epath)
# END path not found
self._bare = self._working_tree_dir is None
if hasattr(self, 'config_reader'):
try:
self._bare = self.config_reader("repository").getboolean(
'core', 'bare')
except Exception:
# lets not assume the option exists, although it should
pass
#END handle exception
#END check bare flag
self._working_tree_dir = self._bare and None or self._working_tree_dir
def _initialize(self, path):
epath = abspath(expandvars(expanduser(path or os.getcwd())))
if not exists(epath):
raise NoSuchPathError(epath)
#END check file
self._working_tree_dir = None
self._git_path = None
curpath = epath
# walk up the path to find the .git dir
while curpath:
if is_git_dir(curpath):
self._git_path = curpath
self._working_tree_dir = os.path.dirname(curpath)
break
gitpath = join(curpath, self.repo_dir)
if is_git_dir(gitpath):
self._git_path = gitpath
self._working_tree_dir = curpath
break
curpath, dummy = os.path.split(curpath)
if not dummy:
break
# END while curpath
if self._git_path is None:
raise InvalidGitRepositoryError(epath)
# END path not found
self._bare = self._working_tree_dir is None
if hasattr(self, 'config_reader'):
try:
self._bare = self.config_reader("repository").getboolean('core','bare')
except Exception:
# lets not assume the option exists, although it should
pass
#END handle exception
#END check bare flag
self._working_tree_dir = self._bare and None or self._working_tree_dir
