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add release notes for filesystem fixes

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Update doc/manual/rl-next/filesystem-errors.md

Co-authored-by: John Ericson <git@JohnEricson.me>
(cherry picked from commit 04ce0e648a)
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Jörg Thalheim 2024-09-05 14:08:20 +02:00
parent c84fc0120f
commit 60001b1936
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---
synopsis: wrap filesystem exceptions more correctly
issues: []
prs: [11378]
---
With the switch to `std::filesystem` in different places, Nix started to throw `std::filesystem::filesystem_error` in many places instead of its own exceptions.
This lead to no longer generating error traces, for example when listing a non-existing directory, and can also lead to crashes inside the Nix REPL.
This version catches these types of exception correctly and wrap them into Nix's own exeception type.
Author: [**@Mic92**](https://github.com/Mic92)