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nixos/eval-config: Remove NIXOS_EXTRA_MODULE_PATH

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This removes the previously depricated NIXOS_EXTRA_MODULE_PATH
environment variable.

Tested with
$ nix-instantiate nixos/lib/eval-config.nix --arg modules '[{fileSystems."/".device="x";boot.loader.grub.enable=false;}]' -A config.system.build.toplevel
$ NIXOS_EXTRA_MODULE_PATH=$HOME/whatever.nix nix-instantiate nixos/lib/eval-config.nix --arg modules '[{fileSystems."/".device="x";boot.loader.grub.enable=false;}]' -A config.system.build.toplevel
This commit is contained in:
Léana 江 2025-06-22 12:33:06 +02:00
parent d44f2e8670
commit 0829ce947c
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GPG key ID: 4E887A4CA9714ADA
2 changed files with 15 additions and 26 deletions
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14
nixos/doc/manual/release-notes/rl-2511.section.md
View file

@ -173,6 +173,20 @@
- `renovate` was updated to v41. See the upstream release notes for [v40](https://github.com/renovatebot/renovate/releases/tag/40.0.0) and [v41](https://github.com/renovatebot/renovate/releases/tag/41.0.0) for breaking changes.
- The "NIXOS_EXTRA_MODULE_PATH" variable from configuration evaluation has been deprecated.
We recommend a workflow where you update the expression files instead, but if you wish to continue
to use this variable, you may do so with a module like:
```nix
{
imports = [
(builtins.getEnv "NIXOS_EXTRA_MODULE_PATH")
];
}
```
This has the benefit that your configuration hints at the non-standard workflow.
- `i18n.inputMethod.fcitx5.plasma6Support` has been removed because qt6 is the only one used for fcitx5-configtool now.
- The `boot.readOnlyNixStore` has been removed. Control over bind mount options on `/nix/store` is now offered by the `boot.nixStoreMountOpts` option.

27
nixos/lib/eval-config.nix
View file

@ -30,32 +30,7 @@ evalConfigArgs@{
check ? true,
prefix ? [ ],
lib ? import ../../lib,
extraModules ?
let
e = builtins.getEnv "NIXOS_EXTRA_MODULE_PATH";
in
lib.optional (e != "") (
lib.warn
''
The NIXOS_EXTRA_MODULE_PATH environment variable is deprecated and will be
removed in NixOS 25.05.
We recommend a workflow where you update the expression files instead, but
if you wish to continue to use this variable, you may do so with a module like:
{
imports = [
(builtins.getEnv "NIXOS_EXTRA_MODULE_PATH")
];
}
This has the benefit that your configuration hints at the
non-standard workflow.
''
# NOTE: this import call is unnecessary and it even removes the file name
# from error messages.
import
e
),
extraModules ? [ ],
}:
let