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rl-next: add extra context to a few release notes

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This was found while writing the release blog post.

Change-Id: Ifd55f308d4d4c831273cbe6ea35d29a38e134783
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jade 2024-08-09 20:09:08 -07:00
parent 35c9069c66
commit 7ca47a0e69
3 changed files with 17 additions and 3 deletions
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10
doc/manual/rl-next/better-invalid-path-errors.md Normal file
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---
synopsis: "Confusing 'invalid path' errors are now 'path does not exist'"
cls: [1161, 1160, 1159]
credits: midnightveil
category: Improvements
---
Previously, if a path did not exist in a Nix store, it was referred to as the internal name "path is invalid".
This is, however, very confusing, and there were numerous such errors that were exactly the same, making it hard to debug.
These errors are now more specific and refer to the path not existing in the store.

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doc/manual/rl-next/build-dir.md
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---
synopsis: "Add a `build-dir` setting to set the backing directory for builds"
cls: 1514
prs: [gh#10303, gh#10312, gh#10883]
credits: [roberth, tomberek]
category: Improvements
---

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doc/manual/rl-next/sanitizers.md
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---
synopsis: "Lix now supports building with UndefinedBehaviorSanitizer"
cls: [1483]
cls: [1483, 1481, 1669]
credits: [jade]
category: Development
---
You can now build Lix with the configuration option `-Db_sanitize=undefined` and it will both work and pass tests. AddressSanitizer support is also coming soon.
You can now build Lix with the configuration option `-Db_sanitize=undefined,address` and it will both work and pass tests with both AddressSanitizer and UndefinedBehaviorSanitizer enabled.
To use ASan specifically, you have to set `-Dgc=disabled`, which an error message will tell you to do if necessary anyhow.
For a list of undefined behaviour fixed by sanitizer usage, see [the gerrit topic "undefined-behaviour"](https://gerrit.lix.systems/q/topic:%22undefined-behaviour%22).
Furthermore, tests passing with Clang ASan+UBSan is checked on every change in CI.
For a list of undefined behaviour found by tooling usage, see [the gerrit topic "undefined-behaviour"](https://gerrit.lix.systems/q/topic:%22undefined-behaviour%22).