PICARD-3013: Fix case-only renaming on case-insensitive filesystems #2561
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Summary
Problem
Fix case-only renaming on case-insensitive filesystems. This broke when fixing PICARD-2076 (allow long filenames) in commit 5037ce9#diff-8e9e6145ecc7e912b2d643f5064e6f196d3668bd010ffa6037775232c2aba236L520 .
Solution
Make calling
os.path.realpath
optional innormpath
. It is not needed here if we assume the new filename does not exist and we want to move a file to a new name.Generally keep calling of
os.path.realpath
enabled as standard, as in many cases we callnormpath
on existing paths