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What happens if I push all of nixpkgs
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Nix
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let cfg = config.system.nixos; opt = options.system.nixos;
inherit (lib) concatStringsSep mapAttrsToList toLower optionalString literalExpression match mkRenamedOptionModule mkDefault mkOption trivial types ;
needsEscaping = s: null != builtins.match "[a-zA-Z0-9]+" s; escapeIfNecessary = s: if needsEscaping s then s else ''"${lib.escape [ "$" "\"" "\\" "`" ] s}"''; attrsToText = attrs: concatStringsSep "\n" (mapAttrsToList (n: v: ''${n}=${escapeIfNecessary (toString v)}'') attrs) + "\n";
osReleaseContents = let isNixos = cfg.distroId == "nixos"; in { NAME = "${cfg.distroName}"; ID = "${cfg.distroId}"; ID_LIKE = optionalString (!isNixos) "nixos"; VENDOR_NAME = cfg.vendorName; VERSION = "${cfg.release} (${cfg.codeName})"; VERSION_CODENAME = toLower cfg.codeName; VERSION_ID = cfg.release; BUILD_ID = cfg.version; PRETTY_NAME = "${cfg.distroName} ${cfg.release} (${cfg.codeName})"; CPE_NAME = "cpe:/o:${cfg.vendorId}:${cfg.distroId}:${cfg.release}"; LOGO = "nix-snowflake"; HOME_URL = optionalString isNixos "https://nixos.org/"; VENDOR_URL = optionalString isNixos "https://nixos.org/"; DOCUMENTATION_URL = optionalString isNixos "https://nixos.org/learn.html"; SUPPORT_URL = optionalString isNixos "https://nixos.org/community.html"; BUG_REPORT_URL = optionalString isNixos "https://github.com/NixOS/nixpkgs/issues"; ANSI_COLOR = optionalString isNixos "0;38;2;126;186;228"; IMAGE_ID = optionalString (config.system.image.id != null) config.system.image.id; IMAGE_VERSION = optionalString (config.system.image.version != null) config.system.image.version; VARIANT = optionalString (cfg.variantName != null) cfg.variantName; VARIANT_ID = optionalString (cfg.variant_id != null) cfg.variant_id; DEFAULT_HOSTNAME = config.system.nixos.distroId; } // cfg.extraOSReleaseArgs;
initrdReleaseContents = (removeAttrs osReleaseContents [ "BUILD_ID" ]) // { PRETTY_NAME = "${osReleaseContents.PRETTY_NAME} (Initrd)"; }; initrdRelease = pkgs.writeText "initrd-release" (attrsToText initrdReleaseContents);
in{ imports = [ ./label.nix (mkRenamedOptionModule [ "system" "nixosVersion" ] [ "system" "nixos" "version" ]) (mkRenamedOptionModule [ "system" "nixosVersionSuffix" ] [ "system" "nixos" "versionSuffix" ]) (mkRenamedOptionModule [ "system" "nixosRevision" ] [ "system" "nixos" "revision" ]) (mkRenamedOptionModule [ "system" "nixosLabel" ] [ "system" "nixos" "label" ]) ];
options.boot.initrd.osRelease = mkOption { internal = true; readOnly = true; default = initrdRelease; };
options.system = { nixos = { version = mkOption { internal = true; type = types.str; description = "The full NixOS version (e.g. `16.03.1160.f2d4ee1`)."; };
release = mkOption { readOnly = true; type = types.str; default = trivial.release; description = "The NixOS release (e.g. `16.03`)."; };
versionSuffix = mkOption { internal = true; type = types.str; default = trivial.versionSuffix; description = "The NixOS version suffix (e.g. `1160.f2d4ee1`)."; };
revision = mkOption { internal = true; type = types.nullOr types.str; default = trivial.revisionWithDefault null; description = "The Git revision from which this NixOS configuration was built."; };
codeName = mkOption { readOnly = true; type = types.str; default = trivial.codeName; description = "The NixOS release code name (e.g. `Emu`)."; };
distroId = mkOption { internal = true; type = types.str; default = "nixos"; description = "The id of the operating system"; };
distroName = mkOption { internal = true; type = types.str; default = "NixOS"; description = "The name of the operating system"; };
variant_id = mkOption { type = types.nullOr (types.strMatching "^[a-z0-9._-]+$"); default = null; description = "A lower-case string identifying a specific variant or edition of the operating system"; example = "installer"; };
variantName = mkOption { type = types.nullOr types.str; default = null; description = "A string identifying a specific variant or edition of the operating system suitable for presentation to the user"; example = "NixOS Installer Image"; };
vendorId = mkOption { internal = true; type = types.str; default = "nixos"; description = "The id of the operating system vendor"; };
vendorName = mkOption { internal = true; type = types.str; 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 = {
id = lib.mkOption { type = types.nullOr types.str; default = null; description = '' Image identifier.
This corresponds to the `IMAGE_ID` field in {manpage}`os-release(5)`. 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 = types.nullOr types.str; default = null; description = '' Image version.
This corresponds to the `IMAGE_VERSION` field in {manpage}`os-release(5)`. 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 { type = types.str; # TODO Remove this and drop the default of the option so people are forced to set it. # Doing this also means fixing the comment in nixos/modules/testing/test-instrumentation.nix apply = v: lib.warnIf (options.system.stateVersion.highestPrio == (lib.mkOptionDefault { }).priority) "system.stateVersion is not set, defaulting to ${v}. Read why this matters on https://nixos.org/manual/nixos/stable/options.html#opt-system.stateVersion." v; default = cfg.release; defaultText = literalExpression "config.${opt.release}"; description = '' This option defines the first version of NixOS you have installed on this particular machine, and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
For example, if NixOS version XX.YY ships with AwesomeDB version N by default, and is then upgraded to version XX.YY+1, which ships AwesomeDB version N+1, the existing databases may no longer be compatible, causing applications to fail, or even leading to data loss.
The `stateVersion` mechanism avoids this situation by making the default version of such packages conditional on the first version of NixOS you've installed (encoded in `stateVersion`), instead of simply always using the latest one.
Note that this generally only affects applications that can't upgrade their data automatically - applications and services supporting automatic migrations will remain on latest versions when you upgrade.
Most users should **never** change this value after the initial install, for any reason, even if you've upgraded your system to a new NixOS release.
This value does **not** affect the Nixpkgs version your packages and OS are pulled from, so changing it will **not** upgrade your system.
This value being lower than the current NixOS release does **not** mean your system is out of date, out of support, or vulnerable.
Do **not** change this value unless you have manually inspected all the changes it would make to your configuration, and migrated your data accordingly. ''; };
configurationRevision = mkOption { type = types.nullOr types.str; default = null; description = "The Git revision of the top-level flake from which this configuration was built."; };
};
config = {
assertions = [ { assertion = match "[0-9]{2}\\.[0-9]{2}" config.system.stateVersion != null; message = '' ${config.system.stateVersion} is an invalid value for 'system.stateVersion'; it must be in the format "YY.MM", which corresponds to a prior release of NixOS.
If you want to switch releases or switch to unstable, you should change your channel and/or flake input URLs only. *DO NOT* touch the 'system.stateVersion' option, as it will not help you upgrade. Leave it exactly on the previous value, which is likely the value you had for it when you installed your system.
If you're unsure which value to set it to, use "${ if match "[0-9]{2}\\.[0-9]{2}" options.system.stateVersion.default != null then options.system.stateVersion.default else options.system.nixos.release.default }" as a default. ''; } ];
system.nixos = { # These defaults are set here rather than up there so that # changing them would not rebuild the manual version = mkDefault (cfg.release + cfg.versionSuffix); };
# Generate /etc/os-release. See # https://www.freedesktop.org/software/systemd/man/os-release.html for the # format. environment.etc = { "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; };
};
# uses version info nixpkgs, which requires a full nixpkgs path meta.buildDocsInSandbox = false;}