40 lines
989 B
Nix
40 lines
989 B
Nix
{ ... }:
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{
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_class = "clan.service";
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manifest.name = "clan-core/state-version";
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manifest.description = "Automatically generate the state version of the nixos installation.";
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manifest.categories = [ "System" ];
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roles.default = {
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perInstance =
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{ ... }:
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{
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nixosModule =
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{
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config,
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lib,
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...
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}:
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let
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var = config.clan.core.vars.generators.state-version.files.version or { };
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in
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{
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system.stateVersion = lib.mkDefault (lib.removeSuffix "\n" var.value);
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clan.core.vars.generators.state-version = {
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files.version = {
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secret = false;
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value = lib.mkDefault config.system.nixos.release;
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};
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runtimeInputs = [ ];
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script = ''
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echo -n ${config.system.stateVersion} > "$out"/version
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'';
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};
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};
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};
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};
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}
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