pyrox.dev
1{ lib, pkgs, config, ... }:
2
3with lib;
4
5let
6 cfg = config.programs.yabar;
7
8 mapExtra = v: lib.concatStringsSep "\n" (mapAttrsToList (
9 key: val: "${key} = ${if (isString val) then "\"${val}\"" else "${builtins.toString val}"};"
10 ) v);
11
12 listKeys = r: concatStringsSep "," (map (n: "\"${n}\"") (attrNames r));
13
14 configFile = let
15 bars = mapAttrsToList (
16 name: cfg: ''
17 ${name}: {
18 font: "${cfg.font}";
19 position: "${cfg.position}";
20
21 ${mapExtra cfg.extra}
22
23 block-list: [${listKeys cfg.indicators}]
24
25 ${concatStringsSep "\n" (mapAttrsToList (
26 name: cfg: ''
27 ${name}: {
28 exec: "${cfg.exec}";
29 align: "${cfg.align}";
30 ${mapExtra cfg.extra}
31 };
32 ''
33 ) cfg.indicators)}
34 };
35 ''
36 ) cfg.bars;
37 in pkgs.writeText "yabar.conf" ''
38 bar-list = [${listKeys cfg.bars}];
39 ${concatStringsSep "\n" bars}
40 '';
41in
42 {
43 options.programs.yabar = {
44 enable = mkEnableOption (lib.mdDoc "yabar");
45
46 package = mkOption {
47 default = pkgs.yabar-unstable;
48 defaultText = literalExpression "pkgs.yabar-unstable";
49 example = literalExpression "pkgs.yabar";
50 type = types.package;
51
52 # `yabar-stable` segfaults under certain conditions.
53 apply = x: if x == pkgs.yabar-unstable then x else flip warn x ''
54 It's not recommended to use `yabar' with `programs.yabar', the (old) stable release
55 tends to segfault under certain circumstances:
56
57 * https://github.com/geommer/yabar/issues/86
58 * https://github.com/geommer/yabar/issues/68
59 * https://github.com/geommer/yabar/issues/143
60
61 Most of them don't occur on master anymore, until a new release is published, it's recommended
62 to use `yabar-unstable'.
63 '';
64
65 description = lib.mdDoc ''
66 The package which contains the `yabar` binary.
67
68 Nixpkgs provides the `yabar` and `yabar-unstable`
69 derivations since 18.03, so it's possible to choose.
70 '';
71 };
72
73 bars = mkOption {
74 default = {};
75 type = types.attrsOf(types.submodule {
76 options = {
77 font = mkOption {
78 default = "sans bold 9";
79 example = "Droid Sans, FontAwesome Bold 9";
80 type = types.str;
81
82 description = lib.mdDoc ''
83 The font that will be used to draw the status bar.
84 '';
85 };
86
87 position = mkOption {
88 default = "top";
89 example = "bottom";
90 type = types.enum [ "top" "bottom" ];
91
92 description = lib.mdDoc ''
93 The position where the bar will be rendered.
94 '';
95 };
96
97 extra = mkOption {
98 default = {};
99 type = types.attrsOf types.str;
100
101 description = lib.mdDoc ''
102 An attribute set which contains further attributes of a bar.
103 '';
104 };
105
106 indicators = mkOption {
107 default = {};
108 type = types.attrsOf(types.submodule {
109 options.exec = mkOption {
110 example = "YABAR_DATE";
111 type = types.str;
112 description = lib.mdDoc ''
113 The type of the indicator to be executed.
114 '';
115 };
116
117 options.align = mkOption {
118 default = "left";
119 example = "right";
120 type = types.enum [ "left" "center" "right" ];
121
122 description = lib.mdDoc ''
123 Whether to align the indicator at the left or right of the bar.
124 '';
125 };
126
127 options.extra = mkOption {
128 default = {};
129 type = types.attrsOf (types.either types.str types.int);
130
131 description = lib.mdDoc ''
132 An attribute set which contains further attributes of a indicator.
133 '';
134 };
135 });
136
137 description = lib.mdDoc ''
138 Indicators that should be rendered by yabar.
139 '';
140 };
141 };
142 });
143
144 description = lib.mdDoc ''
145 List of bars that should be rendered by yabar.
146 '';
147 };
148 };
149
150 config = mkIf cfg.enable {
151 systemd.user.services.yabar = {
152 description = "yabar service";
153 wantedBy = [ "graphical-session.target" ];
154 partOf = [ "graphical-session.target" ];
155
156 script = ''
157 ${cfg.package}/bin/yabar -c ${configFile}
158 '';
159
160 serviceConfig.Restart = "always";
161 };
162 };
163 }