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Fix #6: check path matches, rather than blindly selecting metadata #7

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Fix #6: check path matches, rather than blindly selecting metadata #7

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13 changes: 11 additions & 2 deletions freezetag/freezefs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -367,6 +367,12 @@ def open(self, path, flags):
if not frozen_entry:
raise FuseOSError(ENOENT)

# This is the path, relative to the freezetag file's root, that we are trying to open.
# Knowing this is essential to providing the correct metadata.
#
# TODO: validate that this is correct on all operating systems.
target_path = "/".join(frozen_entry.path.parts[2:])

freezetag_path = None
metadata = None
if frozen_entry.metadata_len:
Expand All @@ -383,8 +389,11 @@ def open(self, path, flags):

for f in freezetag.data.frozen.files:
if f.checksum == item.checksum:
metadata = f.metadata
break
if f.path == target_path:
self._log_verbose(f'opened {f.path} as {path} (target: {target_path})')
metadata = f.metadata
break
self._log_verbose(f'ignoring {f.path} despite matching checksum (target: {target_path})')

file = FuseFile.from_info(file_entry.path, flags, metadata, file_entry.metadata_info, file_entry.metadata_len,
frozen_entry.metadata_len)
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