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kitty: add autoThemeFiles option

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Add support for kitty's automatic theme switching based on OS
color scheme. This creates the required auto theme config files:
- light-theme.auto.conf
- dark-theme.auto.conf
- no-preference-theme.auto.conf

Closes: nix-community/home-manager#6869
This commit is contained in:
Yus314 2026-01-30 13:06:47 +09:00 • committed by Robert Helgesson
parent a6c93262f3
commit de4cfffc98
5 changed files with 121 additions and 6 deletions
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74
modules/programs/kitty.nix
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@ -168,10 +168,52 @@ in
in `kitty-themes`, without the `.conf` suffix. See
<https://github.com/kovidgoyal/kitty-themes/tree/master/themes> for a
list of themes.
Note that if any automatic themes are configured via
`programs.kitty.autoThemeFiles`, Kitty will prefer them based on the
OS color scheme and they will override other color and background image
settings.
'';
example = "SpaceGray_Eighties";
};
autoThemeFiles = mkOption {
type = types.nullOr (
types.submodule {
options = {
light = mkOption {
type = types.str;
description = "Theme name for light color scheme.";
};
dark = mkOption {
type = types.str;
description = "Theme name for dark color scheme.";
};
noPreference = mkOption {
type = types.str;
description = "Theme name for no-preference color scheme.";
};
};
}
);
default = null;
description = ''
Configure Kitty automatic color themes. This creates
{file}`$XDG_CONFIG_HOME/kitty/light-theme.auto.conf`,
{file}`$XDG_CONFIG_HOME/kitty/dark-theme.auto.conf`, and
{file}`$XDG_CONFIG_HOME/kitty/no-preference-theme.auto.conf`.
Kitty applies these based on the OS color scheme, and they override
other color and background image settings.
'';
example = literalExpression ''
{
light = "GitHub";
dark = "TokyoNight";
noPreference = "OneDark";
}
'';
};
font = mkOption {
type = types.nullOr lib.hm.types.fontType;
default = null;
@ -358,15 +400,35 @@ in
'';
};
home.activation.checkKittyTheme = mkIf (cfg.themeFile != null) (
xdg.configFile."kitty/light-theme.auto.conf" = mkIf (cfg.autoThemeFiles != null) {
text = "include ${pkgs.kitty-themes}/share/kitty-themes/themes/${cfg.autoThemeFiles.light}.conf\n";
};
xdg.configFile."kitty/dark-theme.auto.conf" = mkIf (cfg.autoThemeFiles != null) {
text = "include ${pkgs.kitty-themes}/share/kitty-themes/themes/${cfg.autoThemeFiles.dark}.conf\n";
};
xdg.configFile."kitty/no-preference-theme.auto.conf" = mkIf (cfg.autoThemeFiles != null) {
text = "include ${pkgs.kitty-themes}/share/kitty-themes/themes/${cfg.autoThemeFiles.noPreference}.conf\n";
};
home.activation.checkKittyTheme = mkIf (cfg.themeFile != null || cfg.autoThemeFiles != null) (
let
themePath = "${pkgs.kitty-themes}/share/kitty-themes/themes/${cfg.themeFile}.conf";
themePath = name: "${pkgs.kitty-themes}/share/kitty-themes/themes/${name}.conf";
checkThemeFile = name: ''
if [[ ! -f "${themePath name}" ]]; then
errorEcho "kitty-themes does not contain the theme file ${themePath name}!"
exit 1
fi
'';
in
lib.hm.dag.entryBefore [ "writeBoundary" ] ''
if [[ ! -f "${themePath}" ]]; then
errorEcho "kitty-themes does not contain the theme file ${themePath}!"
exit 1
fi
${lib.optionalString (cfg.themeFile != null) (checkThemeFile cfg.themeFile)}
${lib.optionalString (cfg.autoThemeFiles != null) ''
${checkThemeFile cfg.autoThemeFiles.light}
${checkThemeFile cfg.autoThemeFiles.dark}
${checkThemeFile cfg.autoThemeFiles.noPreference}
''}
''
);