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Using os.getcwd() in combination with a subsequent .encode() is error
prone:
marcus@linux:~> mkdir illegal_utf-8_encoding_$'\xff'_dir
marcus@linux:~> cd illegal_utf-8_encoding_$'\xff'_dir/
marcus@linux:~/illegal_utf-8_encoding_ÿ_dir> python3
Python 3.8.6 (default, Nov 09 2020, 12:09:06) [GCC] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import os
>>> os.getcwd().encode()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
UnicodeEncodeError: 'utf-8' codec can't encode character '\udcff' in position 36: surrogates not allowed
>>>
Hence, use os.getcwdb(), which returns a bytes, instead of
os.getcwd().encode().
Fixes: commit 36f7b8ffe9
("Fix a
potential TypeError in CpioRead.copyin and CpioRead.copyin_file")