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"""Source provider for a content root managed by git version control."""
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import os
from ... import types as t
from ...git import (
Git,
)
from ...encoding import (
to_bytes,
)
from . import (
SourceProvider,
)
class GitSource(SourceProvider):
"""Source provider for a content root managed by git version control."""
@staticmethod
def is_content_root(path): # type: (str) -> bool
"""Return True if the given path is a content root for this provider."""
return os.path.exists(os.path.join(path, '.git'))
def get_paths(self, path): # type: (str) -> t.List[str]
"""Return the list of available content paths under the given path."""
git = Git(path)
paths = self.__get_paths(path)
submodule_paths = git.get_submodule_paths()
for submodule_path in submodule_paths:
paths.extend(os.path.join(submodule_path, p) for p in self.__get_paths(os.path.join(path, submodule_path)))
return paths
@staticmethod
def __get_paths(path): # type: (str) -> t.List[str]
"""Return the list of available content paths under the given path."""
git = Git(path)
paths = git.get_file_names(['--cached', '--others', '--exclude-standard'])
deleted_paths = git.get_file_names(['--deleted'])
paths = sorted(set(paths) - set(deleted_paths))
# directory symlinks are reported by git as regular files but they need to be treated as directories
paths = [path + os.path.sep if os.path.isdir(to_bytes(path)) else path for path in paths]
return paths
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