49 lines
1.2 KiB
Nix
49 lines
1.2 KiB
Nix
# Portions of this file are sourced from
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# https://github.com/linyinfeng/dotfiles/blob/b618b0fd16fb9c79ab7199ed51c4c0f98a392cea/nixos/modules/system/state-version.nix
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{
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config,
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options,
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lib,
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...
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}:
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with lib;
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let
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cfg = config.system;
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in
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{
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options = {
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system.targetStateVersion = mkOption {
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inherit (options.system.stateVersion) type;
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default = config.system.stateVersion;
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description = ''
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System is going to be upgraded to the targetStateVersion.
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'';
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};
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system.pendingStateVersionUpgrade = mkOption {
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type = types.bool;
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default = cfg.stateVersion != cfg.targetStateVersion;
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readOnly = true;
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};
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};
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config = {
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specialisation = mkIf cfg.pendingStateVersionUpgrade {
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target-state-version = {
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configuration = {
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system.stateVersion = mkForce targetStateVersion;
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};
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};
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};
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warnings = mkIf cfg.pendingStateVersionUpgrade [
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''
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host: ${config.networking.hostName}
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pending stateVersion upgrade from ${cfg.stateVersion} to ${cfg.targetStateVersion}
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release notes: https://nixos.org/manual/nixos/stable/release-notes.html#sec-release-${cfg.targetStateVersion}
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''
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];
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};
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}
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