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69 lines
4.8 KiB
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69 lines
4.8 KiB
Markdown
# Release 2.31.0 (2025-08-21)
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- `build-cores = 0` now auto-detects CPU cores [#13402](https://github.com/NixOS/nix/pull/13402)
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When `build-cores` is set to `0`, nix now automatically detects the number of available CPU cores and passes this value via `NIX_BUILD_CORES`, instead of passing `0` directly. This matches the behavior when `build-cores` is unset. This prevents the builder from having to detect the number of cores.
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- Fix Git LFS SSH issues [#13337](https://github.com/NixOS/nix/issues/13337) [#13743](https://github.com/NixOS/nix/pull/13743)
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Fixed some outstanding issues with Git LFS and SSH.
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* Added support for `NIX_SSHOPTS`.
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* Properly use the parsed port from URL.
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* Better use of the response of `git-lfs-authenticate` to determine API endpoint when the API is not exposed on port 443.
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- Add support for user@address:port syntax in store URIs [#7044](https://github.com/NixOS/nix/issues/7044) [#3425](https://github.com/NixOS/nix/pull/3425)
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It's now possible to specify the port used for the SSH stores directly in the store URL in accordance with [RFC3986](https://datatracker.ietf.org/doc/html/rfc3986). Previously the only way to specify custom ports was via `ssh_config` or `NIX_SSHOPTS` environment variable, because Nix incorrectly passed the port number together with the host name to the SSH executable. This has now been fixed.
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This change affects [store references](@docroot@/store/types/index.md#store-url-format) passed via the `--store` and similar flags in CLI as well as in the configuration for [remote builders](@docroot@/command-ref/conf-file.md#conf-builders). For example, the following store URIs now work:
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- `ssh://127.0.0.1:2222`
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- `ssh://[b573:6a48:e224:840b:6007:6275:f8f7:ebf3]:22`
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- `ssh-ng://[b573:6a48:e224:840b:6007:6275:f8f7:ebf3]:22`
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- Represent IPv6 RFC4007 ZoneId literals in conformance with RFC6874 [#13445](https://github.com/NixOS/nix/pull/13445)
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Prior versions of Nix since [#4646](https://github.com/NixOS/nix/pull/4646) accepted [IPv6 scoped addresses](https://datatracker.ietf.org/doc/html/rfc4007) in URIs like [store references](@docroot@/store/types/index.md#store-url-format) in the textual representation with a literal percent character: `[fe80::1%18]`. This was ambiguous, because the the percent literal `%` is reserved by [RFC3986](https://datatracker.ietf.org/doc/html/rfc3986), since it's used to indicate percent encoding. Nix now requires that the percent `%` symbol is percent-encoded as `%25`. This implements [RFC6874](https://datatracker.ietf.org/doc/html/rfc6874), which defines the representation of zone identifiers in URIs. The example from above now has to be specified as `[fe80::1%2518]`.
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## Contributors
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This release was made possible by the following 34 contributors:
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- John Soo [**(@jsoo1)**](https://github.com/jsoo1)
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- Alan Urmancheev [**(@alurm)**](https://github.com/alurm)
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- Manse [**(@PedroManse)**](https://github.com/PedroManse)
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- Pol Dellaiera [**(@drupol)**](https://github.com/drupol)
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- DavHau [**(@DavHau)**](https://github.com/DavHau)
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- Leandro Emmanuel Reina Kiperman [**(@kip93)**](https://github.com/kip93)
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- h0nIg [**(@h0nIg)**](https://github.com/h0nIg)
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- Philip Taron [**(@philiptaron)**](https://github.com/philiptaron)
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- Eelco Dolstra [**(@edolstra)**](https://github.com/edolstra)
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- Connor Baker [**(@ConnorBaker)**](https://github.com/ConnorBaker)
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- kenji [**(@a-kenji)**](https://github.com/a-kenji)
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- Oleksandr Knyshuk [**(@k1gen)**](https://github.com/k1gen)
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- Maciej Krüger [**(@mkg20001)**](https://github.com/mkg20001)
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- Justin Bailey [**(@jgbailey-well)**](https://github.com/jgbailey-well)
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- Emily [**(@emilazy)**](https://github.com/emilazy)
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- Volker Diels-Grabsch [**(@vog)**](https://github.com/vog)
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- gustavderdrache [**(@gustavderdrache)**](https://github.com/gustavderdrache)
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- Elliot Cameron [**(@de11n)**](https://github.com/de11n)
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- Alexander V. Nikolaev [**(@avnik)**](https://github.com/avnik)
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- tomberek [**(@tomberek)**](https://github.com/tomberek)
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- Matthew Kenigsberg [**(@mkenigs)**](https://github.com/mkenigs)
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- Sergei Zimmerman [**(@xokdvium)**](https://github.com/xokdvium)
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- Cosima Neidahl [**(@OPNA2608)**](https://github.com/OPNA2608)
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- John Ericson [**(@Ericson2314)**](https://github.com/Ericson2314)
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- m4dc4p [**(@m4dc4p)**](https://github.com/m4dc4p)
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- Graham Christensen [**(@grahamc)**](https://github.com/grahamc)
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- Jason Yundt [**(@Jayman2000)**](https://github.com/Jayman2000)
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- Jens Petersen [**(@juhp)**](https://github.com/juhp)
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- the-sun-will-rise-tomorrow [**(@the-sun-will-rise-tomorrow)**](https://github.com/the-sun-will-rise-tomorrow)
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- Farid Zakaria [**(@fzakaria)**](https://github.com/fzakaria)
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- AGawas [**(@aln730)**](https://github.com/aln730)
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- Robert Hensing [**(@roberth)**](https://github.com/roberth)
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- Dmitry Bogatov [**(@KAction)**](https://github.com/KAction)
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- Jörg Thalheim [**(@Mic92)**](https://github.com/Mic92)
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- Philipp Otterbein
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