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| author | Dylan DPC <dylan.dpc@gmail.com> | 2020-11-09 01:13:28 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-09 01:13:28 +0100 |
| commit | 41134be153ec0e152b0bb5cf79731abdde7c4e04 (patch) | |
| tree | 711a7cbc785c67e8bc87613a2d13200d2bcdb210 /src/test/codegen | |
| parent | d69ee57f977d03644acd8fbfd1799410e2c02db3 (diff) | |
| parent | 6249cda78f0cd32b60fb11702b7ffef3e3bab0b2 (diff) | |
| download | rust-41134be153ec0e152b0bb5cf79731abdde7c4e04.tar.gz rust-41134be153ec0e152b0bb5cf79731abdde7c4e04.zip | |
Rollup merge of #78026 - sunfishcode:symlink-hard-link, r=dtolnay
Define `fs::hard_link` to not follow symlinks. POSIX leaves it [implementation-defined] whether `link` follows symlinks. In practice, for example, on Linux it does not and on FreeBSD it does. So, switch to `linkat`, so that we can pick a behavior rather than depending on OS defaults. Pick the option to not follow symlinks. This is somewhat arbitrary, but seems the less surprising choice because hard linking is a very low-level feature which requires the source and destination to be on the same mounted filesystem, and following a symbolic link could end up in a different mounted filesystem. [implementation-defined]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html
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