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Fixes #192

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Fixes noHL logic with false negatives not being caught with small files.
This commit is contained in:
bobokun 2022-12-06 22:00:51 -05:00 committed by bobokun
parent 1e428ac9fe
commit 7dc64cd0e7
1 changed files with 17 additions and 4 deletions
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21
modules/util.py
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@ -264,16 +264,29 @@ def remove_empty_directories(pathlib_root_dir, pattern):
# will check if there are any hard links if it passes a file or folder
# If a folder is passed, it will take the largest file in that folder and only check for hardlinks
# of the remaining files where the file is greater size a percentage of the largest file
# This fixes the bug in #192
def nohardlink(file):
check = True
if os.path.isfile(file):
logger.trace(f"Checking file: {file}")
if os.stat(file).st_nlink > 1:
check = False
else:
for path, subdirs, files in os.walk(file):
for x in files:
if os.stat(os.path.join(path, x)).st_nlink > 1:
check = False
sorted_files = sorted(Path(file).rglob("*"), key=lambda x: os.stat(x).st_size, reverse=True)
threshold = 0.5
largest_file_size = os.stat(sorted_files[0]).st_size
logger.trace(f"Largest file: {sorted_files[0]}")
logger.trace(f"Largest file size: {largest_file_size}")
for x in sorted_files:
file_size = os.stat(x).st_size
file_no_hardlinks = os.stat(x).st_nlink
logger.trace(f"Checking file: {file}")
logger.trace(f"Checking file size: {file_size}")
logger.trace(f"Checking no of hard links: {file_no_hardlinks}")
if file_no_hardlinks > 1 and file_size >= (largest_file_size * threshold):
check = False
return check