521a03d8bf
Fnott is a keyboard driven and lightweight Wayland notification daemon for wlroots-based compositors. There are four unit test to validate behavior for an empty configuration, the default configuration, global properties and systemd service file generation.
131 lines
3.9 KiB
Nix
131 lines
3.9 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.fnott;
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concatStringsSep' = sep: list:
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concatStringsSep sep (filter (str: str != "") list);
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mkKeyValue = generators.mkKeyValueDefault { } "=";
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genINI = generators.toINI { };
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iniFormatType = with types;
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let
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iniAtom = types.nullOr (types.oneOf [ bool int float str ]) // {
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description = "INI atom (null, bool, int, float or string)";
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};
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in attrsOf (attrsOf iniAtom);
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in {
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options = {
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services.fnott = {
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enable = mkEnableOption ''
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fnott, a lightweight Wayland notification daemon for wlroots-based compositors
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'';
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package = mkOption {
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type = types.package;
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default = pkgs.fnott;
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defaultText = literalExample "pkgs.fnott";
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description = "Package providing <command>fnott</command>.";
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};
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configFile = mkOption {
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type = types.either types.str types.path;
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default = "${config.xdg.configHome}/fnott/fnott.ini";
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defaultText = "$XDG_CONFIG_HOME/fnott/fnott.ini";
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description = ''
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Path to the configuration file read by fnott.
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</para><para>
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Note that environment variables in the path won't be properly expanded.
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</para><para>
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The configuration specified under
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<option>services.fnott.settings</option> will be generated and
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written to <filename>$XDG_CONFIG_HOME/fnott/fnott.ini</filename>
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regardless of this option. This allows using a mutable configuration file
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generated from the immutable one, useful in scenarios where live reloading is desired.
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'';
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};
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extraFlags = mkOption {
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type = types.listOf types.str;
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default = [ ];
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example = [ "-s" ];
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description = ''
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Extra arguments to use for executing fnott.
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'';
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};
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settings = mkOption {
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type = iniFormatType;
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default = { };
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description = ''
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Configuration written to
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<filename>$XDG_CONFIG_HOME/fnott/fnott.ini</filename>.
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</para><para>
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See
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<citerefentry>
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<refentrytitle>fnott.ini</refentrytitle>
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<manvolnum>5</manvolnum>
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</citerefentry> for a list of avaliable options and <link
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xlink:href="https://codeberg.org/dnkl/fnott/src/branch/master/fnott.ini"/>
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for an example configuration.
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'';
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example = literalExample ''
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{
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main = {
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notification-margin = 5;
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};
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low = {
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timeout = 5;
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title-font = "Dina:weight=bold:slant=italic";
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title-color = "ffffff";
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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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config = mkIf cfg.enable {
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assertions =
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[ (hm.assertions.assertPlatform "services.fnott" pkgs platforms.linux) ];
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home.packages = [ cfg.package ];
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systemd.user.services.fnott = {
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Unit = {
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Description = "Fnott notification daemon";
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Documentation = "man:fnott(1)";
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After = [ "graphical-session-pre.target" ];
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PartOf = [ "graphical-session.target" ];
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};
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Service = {
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Type = "dbus";
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BusName = "org.freedesktop.Notifications";
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ExecStart = concatStringsSep' " " [
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"${cfg.package}/bin/fnott -c ${cfg.configFile}"
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(escapeShellArgs cfg.extraFlags)
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];
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};
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};
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# FIXME: Remove after next version release (https://codeberg.org/dnkl/fnott/pulls/24).
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xdg.configFile."fnott/fnott.ini" = mkIf (cfg.settings != { }) (mkMerge [
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{ text = genINI cfg.settings; }
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(mkIf (cfg.settings ? main) {
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text = mkForce (concatStringsSep' "\n" [
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''
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${concatStringsSep "\n"
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(mapAttrsToList mkKeyValue cfg.settings.main)}
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''
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(genINI (removeAttrs cfg.settings [ "main" ]))
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]);
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})
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]);
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};
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}
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