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# Copyright 2010-2026 The pygit2 contributors

#

# This file is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License, version 2,

# as published by the Free Software Foundation.

#

# In addition to the permissions in the GNU General Public License,

# the authors give you unlimited permission to link the compiled

# version of this file into combinations with other programs,

# and to distribute those combinations without any restriction

# coming from the use of this file. (The General Public License

# restrictions do apply in other respects; for example, they cover

# modification of the file, and distribution when not linked into

# a combined executable.)

#

# This file is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; see the file COPYING. If not, write to

# the Free Software Foundation, 51 Franklin Street, Fifth Floor,

# Boston, MA 02110-1301, USA.

from collections.abc import Generator

from pathlib import Path

import pytest

import pygit2

from pygit2 import Repository

from pygit2.enums import DiffOption

from . import utils

@pytest.fixture

def repo(tmp_path: Path) -> Generator[Repository, None, None]:

with utils.TemporaryRepository('binaryfilerepo.zip', tmp_path) as path:

yield pygit2.Repository(path)

PATCH_BINARY = """diff --git a/binary_file b/binary_file

index 86e5c10..b835d73 100644

Binary files a/binary_file and b/binary_file differ

"""

PATCH_BINARY_SHOW = """diff --git a/binary_file b/binary_file

index 86e5c1008b5ce635d3e3fffa4434c5eccd8f00b6..b835d73543244b6694f36a8c5dfdffb71b153db7 100644

GIT binary patch

literal 8

Pc${NM%FIhFs^kIy3n&7R

literal 8

Pc${NM&PdElPvrst3ey5{

"""

def test_binary_diff(repo: Repository) -> None:

diff = repo.diff('HEAD', 'HEAD^')

assert PATCH_BINARY == diff.patch

diff = repo.diff('HEAD', 'HEAD^', flags=DiffOption.SHOW_BINARY)

assert PATCH_BINARY_SHOW == diff.patch

diff = repo.diff(b'HEAD', b'HEAD^')

assert PATCH_BINARY == diff.patch

diff = repo.diff(b'HEAD', b'HEAD^', flags=DiffOption.SHOW_BINARY)

assert PATCH_BINARY_SHOW == diff.patch

def test_binary_delta_is_binary(repo: Repository) -> None:

diff = repo.diff('HEAD', 'HEAD^')

for delta in diff.deltas:

assert delta.is_binary