107 lines
3.7 KiB
Nix
107 lines
3.7 KiB
Nix
{ pkgs, config, lib, options, ... }:
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let
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cfg = config.nixfiles.programs.greetd;
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inherit (lib.types) bool enum nullOr str path listOf;
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inherit (builtins) isNull;
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inherit (lib) optional optionals;
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optionalsSet = val: optionals (!(isNull val));
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optionalSet = val: optional (!(isNull val));
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sessions = config.services.displayManager.sessionData.desktops;
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xsessions = "${sessions}/share/xsessions";
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wayland-sessions = "${sessions}/share/wayland-sessions";
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loginwrap=pkgs.writeShellScriptBin "loginwrap" ''
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exec "$SHELL" -lc 'exec "$@"' "login-wrapper" "$@"
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'';
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in
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{
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config = lib.mkIf cfg.enable {
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environment.systemPackages = [ loginwrap ];
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services.greetd = {
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enable = true;
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settings = {
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default_session = lib.mkMerge [
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# tuigreet configuration
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(lib.mkIf cfg.presets.tuigreet.enable {
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command = let
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st = cfg.settings;
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args = [ "${pkgs.greetd.tuigreet}/bin/tuigreet" "--asterisks" "--remember" "--remember-session"
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"--sessions" "${xsessions}:${wayland-sessions}"
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]
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++ optionalsSet st.greeting [ "--greeting" st.greeting ]
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++ optional st.time "--time"
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++ optionalsSet st.command [ "--cmd" st.finalCommand ]
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# i think tuigreet might be outdated on nix. disable this because it's not a valid option
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# ++ optionalsSet st.loginShell [ "--session-wrapper" "loginwrap" ]
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;
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in lib.escapeShellArgs args;
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})
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];
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};
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};
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nixfiles.programs.greetd.presets.${cfg.preset}.enable = true;
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};
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options.nixfiles.programs.greetd = {
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enable = lib.mkEnableOption "greetd configuration";
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preset = lib.mkOption {
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description = "greetd configuration to enable (shorthand for presets.<preset>.enable)";
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type = enum (lib.mapAttrsToList (name: value: name) options.nixfiles.programs.greetd.presets);
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default = "tuigreet";
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};
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settings = {
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greeting = lib.mkOption {
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description = "Greeting to show on the chosen greeter (if configurable)";
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type = nullOr str;
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default = "log in pwease!! uwu";
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example = "something boring";
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};
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finalCommand = lib.mkOption {
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description = "Final version of command";
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type = nullOr str;
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default = let
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st = cfg.settings;
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prevcmd = st.command;
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command-login-wrapped = [ "loginwrap" ] ++ prevcmd;
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cmd = if (builtins.isNull prevcmd) then null else
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(if st.loginShell then command-login-wrapped else prevcmd);
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in lib.escapeShellArgs cmd;
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readOnly = true;
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};
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command = lib.mkOption {
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description = "Command to run following successful authentication";
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type = nullOr (listOf str);
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default = null;
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example = [ "Hyprland" ];
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};
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loginShell = lib.mkOption {
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description = "Wrap in login shell to source .profile/.zshenv/etc. (if configurable).";
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type = bool;
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default = true;
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example = false;
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};
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time = lib.mkOption {
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description = "Whether to show the current time (if configurable)";
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type = bool;
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default = true;
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example = false;
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};
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wallpaper = lib.mkOption {
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description = "Path to custom wallpaper (if configurable)";
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type = nullOr path;
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default = "${pkgs.nixfiles-assets}/share/wallpapers/nixfiles-static/Djayjesse-finding_life.png";
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example = "femboy-bee.png";
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};
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};
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presets.tuigreet.enable = lib.mkOption {
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description = "tuigreet greetd configuration";
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type = bool;
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default = false;
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};
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};
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}
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