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nixos/version: add options to identify images

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This is useful when building appliance images that use among other
things partition based A/B updates.
This commit is contained in:
nikstur 2023-12-30 00:42:54 +01:00
parent 017bc47e74
commit 1e70382b81
1 changed files with 34 additions and 0 deletions
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34
nixos/modules/misc/version.nix
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@ -28,6 +28,8 @@ let
DOCUMENTATION_URL = lib.optionalString (cfg.distroId == "nixos") "https://nixos.org/learn.html"; DOCUMENTATION_URL = lib.optionalString (cfg.distroId == "nixos") "https://nixos.org/learn.html";
SUPPORT_URL = lib.optionalString (cfg.distroId == "nixos") "https://nixos.org/community.html"; SUPPORT_URL = lib.optionalString (cfg.distroId == "nixos") "https://nixos.org/community.html";
BUG_REPORT_URL = lib.optionalString (cfg.distroId == "nixos") "https://github.com/NixOS/nixpkgs/issues"; BUG_REPORT_URL = lib.optionalString (cfg.distroId == "nixos") "https://github.com/NixOS/nixpkgs/issues";
IMAGE_ID = lib.optionalString (config.system.image.id != null) config.system.image.id;
IMAGE_VERSION = lib.optionalString (config.system.image.version != null) config.system.image.version;
} // lib.optionalAttrs (cfg.variant_id != null) { } // lib.optionalAttrs (cfg.variant_id != null) {
VARIANT_ID = cfg.variant_id; VARIANT_ID = cfg.variant_id;
}; };
@ -110,6 +112,38 @@ in
example = "installer"; example = "installer";
}; };
image = {
id = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
description = lib.mdDoc ''
Image identifier.
This corresponds to the IMAGE_ID field in os-release. See the
upstream docs for more details on valid characters for this field:
https://www.freedesktop.org/software/systemd/man/latest/os-release.html#IMAGE_ID=
You would only want to set this option if you're build NixOS appliance images.
'';
};
version = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
description = lib.mdDoc ''
Image version.
This corresponds to the IMAGE_VERSION field in os-release. See the
upstream docs for more details on valid characters for this field:
https://www.freedesktop.org/software/systemd/man/latest/os-release.html#IMAGE_VERSION=
You would only want to set this option if you're build NixOS appliance images.
'';
};
};
stateVersion = mkOption { stateVersion = mkOption {
type = types.str; type = types.str;
# TODO Remove this and drop the default of the option so people are forced to set it. # TODO Remove this and drop the default of the option so people are forced to set it.