Unpacking with merge flag failed

[tommady]

Version

v0.6.1

Description

https://github.com/ouch-org/ouch/pull/798#issuecomment-2888477955

Current Behavior

[ERROR] failed to rename file from /home/arch/code/xxx/ouch/./tmp-ouch-cIZ8w1/parent to ./parent

Expected Behavior

No error occurs

Additional Information

by this PR We introduced a merge action for the decompress command, but were missing some test cases that would lead to a failure.