Unverified Commit 02e1f93c authored by Fernando Rodrigues's avatar Fernando Rodrigues
Browse files

nixos/version: add extraOSReleaseArgs and extraLSBReleaseArgs 



A free-form `attrsOf str` option that is merged with the /etc/os-release
builder, allowing downstreams to customise arbitrary os-release fields.
This is separate from the variant option, as using an attribute set
merge means one gets an infinte recursion when making extraOSReleaseArgs
a recursive set, and the variant attribute is useful to define elsewhere
or multiple times.

Ditto for /etc/lsb-release.

Signed-off-by: default avatarFernando Rodrigues <alpha@sigmasquadron.net>
parent b4d7b9ad

nixos/modules/misc/version.nix

+23 −4
Original line number Diff line number Diff line
@@ -42,8 +42,7 @@ let 
      VARIANT = optionalString (cfg.variantName != null) cfg.variantName;

      VARIANT_ID = optionalString (cfg.variant_id != null) cfg.variant_id;

      DEFAULT_HOSTNAME = config.system.nixos.distroId;

      SUPPORT_END = "2025-06-30";

    };

    } // cfg.extraOSReleaseArgs;



  initrdReleaseContents = (removeAttrs osReleaseContents [ "BUILD_ID" ]) // {

    PRETTY_NAME = "${osReleaseContents.PRETTY_NAME} (Initrd)";
@@ -143,6 +142,26 @@ in 
        default = "NixOS";

        description = "The name of the operating system vendor";

      };



      extraOSReleaseArgs = mkOption {

        internal = true;

        type = types.attrsOf types.str;

        default = { };

        description = "Additional attributes to be merged with the /etc/os-release generator.";

        example = {

          ANSI_COLOR = "1;31";

        };

      };



      extraLSBReleaseArgs = mkOption {

        internal = true;

        type = types.attrsOf types.str;

        default = { };

        description = "Additional attributes to be merged with the /etc/lsb-release generator.";

        example = {

          LSB_VERSION = "1.0";

        };

      };

    };



    image = {
@@ -237,13 +256,13 @@ in 
    # https://www.freedesktop.org/software/systemd/man/os-release.html for the

    # format.

    environment.etc = {

      "lsb-release".text = attrsToText {

      "lsb-release".text = attrsToText ({

        LSB_VERSION = "${cfg.release} (${cfg.codeName})";

        DISTRIB_ID = "${cfg.distroId}";

        DISTRIB_RELEASE = cfg.release;

        DISTRIB_CODENAME = toLower cfg.codeName;

        DISTRIB_DESCRIPTION = "${cfg.distroName} ${cfg.release} (${cfg.codeName})";

      };

      } // cfg.extraLSBReleaseArgs);



      "os-release".text = attrsToText osReleaseContents;

    };