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Show First 20 Lines • Show All 233 Lines • ▼ Show 20 Lines	while stack:
if child.maxdate is None:		if child.maxdate is None:
# if child.maxdate is None, it must be processed		# if child.maxdate is None, it must be processed
stack.append(child)		stack.append(child)
else:		else:
# all the files and directories under current have a maxdate,		# all the files and directories under current have a maxdate,
# we can infer the maxdate for current directory		# we can infer the maxdate for current directory
assert current.maxdate is None		assert current.maxdate is None
# if all content is already known, update current directory info.		# if all content is already known, update current directory info.
current.maxdate = min(		current.maxdate = max(
max(
[UTCMIN]		[UTCMIN]
+ [		+ [
child.maxdate		child.maxdate
for child in current.children		for child in current.children
if child.maxdate is not None # for mypy		if child.maxdate is not None # for mypy
]		]
+ [		+ [
fdates.get(file.id, revision.date)		fdates.get(file.id, revision.date)
for file in current.entry.files		for file in current.entry.files
]		]
),
revision.date,
)		)
return root		return root