Add ability to overwrite regular files and symbolic links in NIO FileSystem#3470

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stepan-ulyanin wants to merge 54 commits intoapple:mainfrom

stepan-ulyanin:su/add-overwriting-file-copy

Commits on Dec 29, 2025

Introduce `overwrite` parameter, update the Darwin platform atomic copy with overwrite
stepan-ulyanin
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Add implementation to NIOFS, add tests for file copy with overwrite
stepan-ulyanin
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Add implementations for Glibc, Musl, and Bionic
stepan-ulyanin
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Update the _NIOFileSystem implementation to be in sync with NIOFS implementation
stepan-ulyanin
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Update some variable names in _copyRegularFile
stepan-ulyanin
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Remove the test involving testing the sendfile(2) chunking for large files
stepan-ulyanin
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Remove an incorrect comment inlcuding Darwin platform from the `testCopyFileOverwritingExistentDestination` test
stepan-ulyanin
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Commits on Dec 30, 2025

Commits on Jan 7, 2026

Commits on Jan 21, 2026

Commits on Jan 22, 2026