Refactored docs for `std::fs::set_permissions_nofollow` + fix BSD-based systems to use fchmodat with AT_SYMLINK_NOFOLLOW flag - #160170

Merged

rust-bors[bot] merged 4 commits into

rust-lang:mainfrom

asder8215:docs_set_perms_nofollow

Aug 30, 2026

Commits on Aug 21, 2026

Refactored std::fs::set_permissions_nofollow docs clarifying behavior on different platforms + fixed BSD-based systems to use fchmodat with AT_SYMLINK_NOFOLLOW
asder8215
committed
babe876
Refactored documentation for std::fs::set_permissions_nofollow, refactored non-BSD-based/non-Linux platforms to use OpenOptions open + set_permissions, and refactored tests accordingly
asder8215
committed
dc3bf29
Add fallback behavior on Linux to use open + fchmod if fchmodat returns ENOTSUP (e.g. for Ubuntu 20.04 returns ENOTSUP on non-symlinks + symlinks when using fchmodat with AT_SYMLINK_NOFOLLOW). Upda…

asder8215
and
fs-rachel
committed
23e3888

Commits on Aug 29, 2026

Refactored set_perm_nofollow and have it written so that all supported fchmodat platform call on fchmodat and every platform falls back to open + fchmod when _res is set to ErrorKind::Unsupported; …
asder8215
committed
b901613