# This module is part of GitPython and is released under

# the BSD License: http://www.opensource.org/licenses/bsd-license.php

from contextlib import ExitStack

import datetime

import glob

from io import BytesIO

# tmp file created in git home directory to be sure renaming

# works - /tmp/ dirs could be on another device

tmp_index = tempfile.mktemp("", "", repo.git_dir)

arg_list.append("--index-output=%s" % tmp_index)

arg_list.extend(treeish)

# move current index out of the way - otherwise the merge may fail

# as it considers existing entries. moving it essentially clears the index.

# Unfortunately there is no 'soft' way to do it.

# The TemporaryFileSwap assure the original file get put back

if repo.git_dir:

index_handler = TemporaryFileSwap(join_path_native(repo.git_dir, "index"))

try:

with ExitStack() as stack:

tmp_index = stack.enter_context(tempfile.NamedTemporaryFile(dir=repo.git_dir))

arg_list.append("--index-output=%s" % tmp_index.name)

arg_list.extend(treeish)

# move current index out of the way - otherwise the merge may fail

# as it considers existing entries. moving it essentially clears the index.

# Unfortunately there is no 'soft' way to do it.

# The TemporaryFileSwap assure the original file get put back

stack.enter_context(TemporaryFileSwap(join_path_native(repo.git_dir, "index")))

repo.git.read_tree(*arg_list, **kwargs)

index = cls(repo, tmp_index)

index = cls(repo, tmp_index.name)

index.entries # force it to read the file as we will delete the temp-file

del index_handler # release as soon as possible

finally:

if osp.exists(tmp_index):

os.remove(tmp_index)

# END index merge handling

return index

return index

# END index merge handling

# UTILITIES

@unbare_repo

unknown_lines = []

def handle_stderr(proc: "Popen[bytes]", iter_checked_out_files: Iterable[PathLike]) -> None:

stderr_IO = proc.stderr

if not stderr_IO:

return None # return early if stderr empty