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home-manager/modules/programs/mpv.nix
AstroSnail 1066e01707
mpv: use lib.generators to render config
There exist mpv configurations which cannot be expressed in
`programs.mpv.config` currently. For example, it is impossible to use
multiple 'profile' attributes. This commit changes the way config and
profiles are parsed, using `lib.generators.toKeyValue` and
`lib.generators.toINI`, to allow for these kinds of configurations
through the use of `listsAsDuplicateKeys`.
2020-11-03 00:28:24 +01:00

158 lines
4.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
inherit (builtins) typeOf stringLength;
cfg = config.programs.mpv;
mpvOption = with types; either str (either int (either bool float));
mpvOptionDup = with types; either mpvOption (listOf mpvOption);
mpvOptions = with types; attrsOf mpvOptionDup;
mpvProfiles = with types; attrsOf mpvOptions;
mpvBindings = with types; attrsOf str;
renderOption = option:
rec {
int = toString option;
float = int;
bool = if option then "yes" else "no";
string = option;
}.${typeOf option};
renderOptionValue = value:
let
rendered = renderOption value;
length = toString (stringLength rendered);
in "%${length}%${rendered}";
renderOptions = generators.toKeyValue {
mkKeyValue =
generators.mkKeyValueDefault { mkValueString = renderOptionValue; } "=";
listsAsDuplicateKeys = true;
};
renderProfiles = generators.toINI {
mkKeyValue =
generators.mkKeyValueDefault { mkValueString = renderOptionValue; } "=";
listsAsDuplicateKeys = true;
};
renderBindings = bindings:
concatStringsSep "\n"
(mapAttrsToList (name: value: "${name} ${value}") bindings);
mpvPackage = if cfg.scripts == [ ] then
pkgs.mpv
else
pkgs.wrapMpv pkgs.mpv-unwrapped { scripts = cfg.scripts; };
in {
options = {
programs.mpv = {
enable = mkEnableOption "mpv";
package = mkOption {
type = types.package;
readOnly = true;
description = ''
Resulting mpv package.
'';
};
scripts = mkOption {
type = with types; listOf (either package str);
default = [ ];
example = literalExample "[ pkgs.mpvScripts.mpris ]";
description = ''
List of scripts to use with mpv.
'';
};
config = mkOption {
description = ''
Configuration written to
<filename>~/.config/mpv/mpv.conf</filename>. See
<citerefentry>
<refentrytitle>mpv</refentrytitle>
<manvolnum>1</manvolnum>
</citerefentry>
for the full list of options.
'';
type = mpvOptions;
default = { };
example = literalExample ''
{
profile = "gpu-hq";
force-window = "yes";
ytdl-format = "bestvideo+bestaudio";
cache-default = 4000000;
}
'';
};
profiles = mkOption {
description = ''
Sub-configuration options for specific profiles written to
<filename>~/.config/mpv/mpv.conf</filename>. See
<option>programs.mpv.config</option> for more information.
'';
type = mpvProfiles;
default = { };
example = literalExample ''
{
fast = {
vo = "vdpau";
};
"protocol.dvd" = {
profile-desc = "profile for dvd:// streams";
alang = "en";
};
}
'';
};
bindings = mkOption {
description = ''
Input configuration written to
<filename>~/.config/mpv/input.conf</filename>. See
<citerefentry>
<refentrytitle>mpv</refentrytitle>
<manvolnum>1</manvolnum>
</citerefentry>
for the full list of options.
'';
type = mpvBindings;
default = { };
example = literalExample ''
{
WHEEL_UP = "seek 10";
WHEEL_DOWN = "seek -10";
"Alt+0" = "set window-scale 0.5";
}
'';
};
};
};
config = mkIf cfg.enable (mkMerge [
{
home.packages = [ mpvPackage ];
programs.mpv.package = mpvPackage;
}
(mkIf (cfg.config != { } || cfg.profiles != { }) {
xdg.configFile."mpv/mpv.conf".text = ''
${optionalString (cfg.config != { }) (renderOptions cfg.config)}
${optionalString (cfg.profiles != { }) (renderProfiles cfg.profiles)}
'';
})
(mkIf (cfg.bindings != { }) {
xdg.configFile."mpv/input.conf".text = renderBindings cfg.bindings;
})
]);
meta.maintainers = with maintainers; [ tadeokondrak ];
}