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fix(util): wait for contended locks with relative filenames by FanWu-ai · Pull Request #2282 · gitpython-developers/GitPython · GitHub

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fix(util): wait for contended locks with relative filenames #2282

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fix(util): wait for contended locks with relative filenames #2282

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ac29284
fix(util): wait for contended locks with relative filenames
FanWu-ai Oct 11, 2026
62fe322
test(util): patch sleep portably on older Python versions
FanWu-ai Oct 12, 2026
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2 changes: 1 addition & 1 deletion git/util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1310,7 +1310,7 @@ def _obtain_lock(self) -> None:
# synity check: if the directory leading to the lockfile is not
# readable anymore, raise an exception
curtime = time.time()
if not osp.isdir(osp.dirname(self._lock_file_path())):
if not osp.isdir(osp.dirname(self._lock_file_path()) or osp.curdir):
msg = "Directory containing the lockfile %r was not readable anymore after waiting %g seconds" % (
self._lock_file_path(),
curtime - starttime,
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37 changes: 37 additions & 0 deletions test/test_util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -862,3 +862,40 @@ def test_mode_str_to_int_accepts_bytes():
assert mode_str_to_int(b"100644") == 0o100644
assert mode_str_to_int("644") == 0o644
assert mode_str_to_int(b"120000") == 0o120000


@pytest.mark.parametrize("path_type", [str, pathlib.Path])
@pytest.mark.parametrize("relative", [True, False])
def test_blocking_lock_waits_for_existing_holder(tmp_path, monkeypatch, path_type, relative):
monkeypatch.chdir(tmp_path)
path = path_type("resource" if relative else tmp_path / "resource")
owner = LockFile(path)
waiter = BlockingLockFile(path, check_interval_s=0.01, max_block_time_s=1)
owner._obtain_lock()
try:
with mock.patch.object(time, "sleep", side_effect=lambda _: owner._release_lock()) as sleep:
waiter._obtain_lock()
sleep.assert_called_once_with(0.01)
assert waiter._has_lock()
finally:
owner._release_lock()
waiter._release_lock()


@pytest.mark.parametrize("path_type", [str, pathlib.Path])
def test_blocking_relative_lock_reports_timeout(tmp_path, monkeypatch, path_type):
monkeypatch.chdir(tmp_path)
owner = LockFile(path_type("resource"))
waiter = BlockingLockFile(path_type("resource"), max_block_time_s=0)
owner._obtain_lock()
try:
with pytest.raises(OSError, match="Waited .* seconds for lock"):
waiter._obtain_lock()
finally:
owner._release_lock()


def test_blocking_lock_still_rejects_missing_directory(tmp_path):
waiter = BlockingLockFile(tmp_path / "missing" / "resource")
with pytest.raises(OSError, match="Directory containing the lockfile"):
waiter._obtain_lock()
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