26 lines
678 B
Nix
26 lines
678 B
Nix
{ lib, pkgs, config, ... }:
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let
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inherit (lib) optionalAttrs filterAttrs genAttrs mkIf mkDefault;
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inherit (lib.my) mkOpt mkBoolOpt;
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cfg = config.my.dynamic-motd;
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scriptBin = pkgs.writeShellScript "dynamic-motd-script" cfg.script;
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in
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{
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options.my.dynamic-motd = with lib.types; {
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enable = mkBoolOpt true;
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services = mkOpt (listOf str) [ "login" "ssh" ];
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script = mkOpt (nullOr lines) null;
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};
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config = mkIf (cfg.enable && cfg.script != null) {
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security.pam.services = genAttrs cfg.services (s: {
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text = mkDefault
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''
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session optional ${pkgs.pam}/lib/security/pam_exec.so stdout quiet ${scriptBin}
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'';
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});
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};
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}
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