37 lines
879 B
Nix
37 lines
879 B
Nix
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{
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config
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, pkgs
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, lib
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, ...
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}:
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let
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inherit (lib) mkIf;
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o = config.system.outputs;
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inherit (pkgs) runCommand;
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inherit (lib) mkOption types;
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inherit (pkgs.buildPackages) min-copy-closure;
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in
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{
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imports = [ ../system-configuration.nix ];
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options.system.outputs.updater = mkOption {
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type = types.package;
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description = ''
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updater
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******
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For configurations with a writable filesystem, create a shell
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script that runs on the build system and updates the device
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over the network to the new configuration
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'';
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};
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config.system.outputs.updater =
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runCommand "buildUpdater" { } ''
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mkdir -p $out/bin
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substitute ${./update.sh} $out/bin/update.sh \
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--subst-var-by toplevel ${o.systemConfiguration} \
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--subst-var-by min_copy_closure ${min-copy-closure}
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chmod +x $out/bin/update.sh
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'';
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}
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